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Home > Business Technology, Digital, Emerging Technology, LinkedIn, Marketing, Mobile, Uncategorized > Connect to the digital, mobile & social world using QR Codes – What’s the business value? Is this a fad?

Connect to the digital, mobile & social world using QR Codes – What’s the business value? Is this a fad?

There are many new technologies that pop-up in the market regularly with a lot of “buzz”. QR (quick Response) codes is one of them

I didn’t pay a lot of attention to this funny looking (maze like) 2 dimensional box with black/white modules and shrugged it off!! I thought this was one more marketing gimmick and was just one more fad.

You must have seen the QR codes in the magazine pages, magazine ads, bus stop, bus sign, business cards etc. For the last couple of months, I am hearing a lot of buzz and seeing how some companies are using and leveraging QR codes in very very innovative and creative ways across all business functions to boost customer experience, sales & marketing campaigns and lead generation. Recently USPS announced QR code promotions and savings on direct mails. So QR codes are going mainstream!! Still want more convincing info, see the following stats from Comscore.

14 million Americans used QR codes  from their mobile phones. Not all of 2011, this was just in June 2011. This is 6.2% of the total US mobile population. The study also shows that a mobile user that scanned a QR code during the month was more likely a male (60.5% of code scanning audience), skew toward ages 18-34 (53.4%) and have a household income of $100k or above (36.1%).

Where were the QR codes scanned from? Print magazines and newspapers were half of them and the remaining were mostly from the product packages (35%) and websites (27%).

From what location were these QR codes scanned? Mostly were from home (58%) and the rest of them were from a retail store (39%) or from a grocery store(25%). This is particularly true in Tesco’s case (as detailed below in use cases).

With the combination of camera enabled smart phones and QR codes, the business value is limitless. For marketers, QR codes can provide them with new, creative and innovative ways to reach their target consumers and also engage them in new ways. When you combine this with Social platform, there are more innovative options (like Verizon’s combination of QR code, mobile and social…it’s simply superb!!, I have listed this use case below).

I started exploring more into QR codes and how this technology can be leveraged for business needs and generate value. Following is my high-level analysis. I will start with the basics…

What’s a QR code?

A QR Code is a specific matrix barcode (or two-dimensional code), readable by dedicated QR barcode readers and camera enabled smart phones. The code consists of black/white modules arranged in a square pattern on a white background. The information encoded can be text, URL or any other data. This data doesn’t expire.

QR codes have the ability to store more complex information than a standard bar-code. It has been used in the transport and logistics industry for tracking, for over 15 years. However, recently marketers have put their thinking hats on , and came up with ideas to not only measure ROI on certain campaigns, but also spark the attention of some early adopters and get them to scan these funny-looking barcodes, to see what happens.

What usually happens is that the code behind the image is linked to a URL, or a website, with more information on the product or the company. Since the code is scannable by any camera enabled smart phone, scanning the code can start a phone call, deliver a vCard, redirect to a website, registration form, bookmarks etc.

See the following video – brief overview of QR codes

Benefits & Value

Following are some business use cases on how are QR codes are being leveraged and generating value. I will start with some interesting ones.

Storefront displays: Few retail businesses are open 24/7. Don’t disappoint potential customers after you’ve left for the day. Create a Shop Online Now! QR code and put it in your storefront window. One quick scan and you’ve turned a potential lost sale into an online customer who’s going to share a lot more of their contact information with you. See the following video on how Tesco is leveraging this in South Korea and driving commerce. It’s just amazing!!

Cemetry: This is kind of interesting business use case. The following video says it all.

Business cards: This is probably the de-facto way many businesses use QR codes. Rather than overload a business card with all of your contact info you could include the bare minimum for reaching you, then create a QR code that leads people to your Twitter, Facebook, LinkedIn, etc. or to your profile on the corporate website.

Labeling: A restaurant patron is enjoying wine from your vineyard. They notice the QR code on the bottle and quickly scan it. That takes them to a mobile site where they can learn more about your wine, your vineyard, and links to where you can buy a case for delivery…all before the bill comes. See the following video – one more brief overview of how QR codes are being used in restaurants, bus-signs, mailers etc

Email subscriber list: Use your QR code to send people to your email sign-up. Just make sure you give people a compelling reason to subscribe to your list, otherwise you will have just wasted their time. Not the best way to engage your audience.

Facebook likes and Twitter followers: Linking your Facebook page or twitter account to a specific QR code, you can use it in product or POS promotion, with a short message: “Scan this code to join our Facebook community”, or “Scan this code to get notified of future promotions on Twitter”. Verizon recently did a “Hipscan” promotion using QR codes. This generated a lot of buzz and generated a ROI of 3500%. Click here for more info.

Brochures, magazine ads and other print media: Have the QR codes in the brochures, product pages, magazine ads for readers to quickly scan and see more information and bookmark it. This will be very useful especially when readers are commuting and don’t have the flexibility to write down the link.

Conferences/Events: Have the QR codes for conference check-ins, session check-ins, take surveys and take polls, exhibitor signage. Attendees can scan the QR code from the conference mobile app and take the poll, survey and register for the sessions. How cool is that? This will engage the attendees in a new way and provide a great conference experience.

More use cases on how QR codes have been used for better conversion rates (source)

  1. Product comparison data on price tags
  2. Feedback surveys on sales receipts
  3. On-demand interactive video support
  4. In-house Facebook “Like” promo
  5. Google Paces – Review posters
  6. Foursquare Check-in posters
  7. Interactive custom maps

Click here to see more details on the above use cases.

QR code in not a fad. It’s real and mainstream now !!! Start leveraging this 2D technology to generate more business value

Appreciate your feedback and comments.

Contact Info

(Download Scanlife app from iTunes/Android marketplace and scan the code below)

  1. January 19, 2012 at 1:45 pm

    This is by far one of the best explanations of qr codes, uses and qr code 101 i have yet to find
    Thanks for the info

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Content-Type: application/http; msgtype=response

WARC-Type: response

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With the way that SMTP works, anyone anywhere can specify any email address as their From address as long as they have a mail server that allows them to do so. From address may be completely false or even non-existent.

Note: There is no way to prevent other people from using your email address when they are using a different mail server.

Typical spoofing situations

In general, there are two situations that can make you aware that your email address was spoofed:

  • You receive bounce back emails or replies to messages you didn't send:
    There is no way to prevent the bounce back messages from coming to you. If a message gets returned to the sender, it goes to the actual holder of the From address, regardless of who sent it. Similarly, when someone replies to a message, it always goes to the reply-to address.
  • You receive messages with your email address in the From field (or in both To and From fields):
    Make sure that your domain and/or email address is not whitelisted either in Outlook/OWA.
  • Remove your domain from Advanced Email Security Safe Senders List.

Note: some spammers can specify you address as both From and To addresses, so you will receive the message in any case (even if it bounces).

Read the Wikipedia® article on Backscatter (e-mail) for more information about backscattering.

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SPF record

In such situations it is recommended to create an SPF record for your domain. SPF helps mail servers to distinguish forgeries from real mail by making it possible for a domain owner to specify the IP addresses/servers from which mail can be sent. That way, if any other machines try to send mail from that domain, the recipient mail server knows that the From address is forged.

Failed SPF validation will add supplementary spam score to the spoofed email and this will increase the chances that this email will be delivered to Junk.

Read the Knowledge Base article on What is an SPF record? What do I need to do about it? for more information.

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Blocking spoofed emails

With Advanced Email Security, you have the following options to block messages with a forged From address which might be, in fact, your own email address or some inexistent email address at your domain.

  1. If you have only Exchange mailboxes on the account you may want to add your own domain to Blocked Senders list. This action won't affect internal mail flow since mail delivery between internal users isn't filtered.
  2. If you have Exchange mailboxes and also have SMTP-applications (e.g. printer, web form, etc.) sending mail to the users on the account, you still can add your own domain to Blocked Senders list, but make sure you added From email address or IP address of the application to Safe Senders.
  3. If a part of the users on the account have POP/IMAP mailboxes, blocking your own domain won't be the best option, because you will need to add all existent mailboxes to Safe senders list. This technique has its drawback: spoofed emails which appear as coming from existed email address on the account won't be blocked as such email addresses will be added to Safe Senders list. So this option is useful only if you receive spoofing from inexistent email address at your domain.

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Tag Archives: macaroni cheese

Baked Kraft Deluxe Macaroni & Cheese

21 May

My family loves the baked macaroni & cheese that I usually only make at Thanksgiving and Christmas. Lately, the kids have been asking for the dish more often, but I was hesitant to make it due to the work involved. Finally, I gave in, but I compromised…I made Baked Kraft Deluxe Macaroni & Cheese.

Baked Kraft Deluxe Mac & Cheese

Baked Kraft Deluxe Macaroni & Cheese

1 Box Kraft Deluxe Macaroni & Cheese

1 Bag Pizza Blend Shredded Cheese (Cheddar/Mozzarella)

2 Cups Milk

2 Eggs

2 tbsp sugar

This was simple to make, just cook the macaroni according to package directions. Drain and pour hot macaroni into baking dish (do not rinse). Add entire bag of shredded cheese. In a bowl, combine milk, eggs, and sugar. Pour the milk mixture over the macaroni. Make sure the milk comes to the very top of the macaroni, almost covering it. Add  more milk if necessary.  Bake at 350 degrees for about 45 mins, or until the top is bubbling and starting to brown.

The Verdict

While Baked Kraft Deluxe Macaroni and Cheese does not taste like my grandmothers’ recipe that I use at the holidays, it was still VERY good and a nice recipe to have when the kids are craving some comfort food.

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Don’t you wish this 16-bit Freaks and Geeks dodgeball game was real?

Thirteen years ago [ed: !!!], the beloved and tragically short-lived NBC dramedy, Freaks and Geeks, had its magical run. Thanks to its availability on Netflix instant and a truly terrific Vanity Fair oral history, the show is having a real moment right now, and justifiably so. Gallery 1988 in LA is currently showing Judd Apatow (who executive-produced Freaks and Geeks) inspired art, and this single image of a sports game inspired by the first episode’s famous dodge ball scene, by the illustrator and designer Jude Buffum, is just terrific.

“Smear Weir”
Giclee print on canvas • 19.75″ x 9″ • S/N Edition of 25


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Achievements, Adventure, Advocacy, Aerial, Amazingness, Celebration, Courage, Creativity, Culture, Curiosity, Davao, Dreams, Emotions, Escapades, Faith, Human Spirit, Individuality, Landscape, Life, Love, Nature, Passion, Philippines, Photography, Reflections, Scene Stealers, Small World, Travel, Women
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Make room for what you love

Jojie Alcantara loves aerial photography

I love aerial photography

“No matter how much crap you gotta plow through to stay alive as a photographer, no matter how many bad assignments, bad days, bad clients, snotty subjects, obnoxious handlers, wigged-out art directors, technical disasters, failures of the mind, body, and will, all the shouldas, couldas, and wouldas that befuddle our brains and creep into our dreams, always remember to make room to shoot what you love. It’s the only way to keep your heart beating as a photographer.”
― Joe McNally, The Moment It Clicks: Photography Secrets from One of the World’s Top Shooters

I love aerial photography
Me captured by my sidekick Ronald inside a Cessna

Thank you for all the warm birthday greetings.

Reach out and make me smile! :-)

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Monthly Archives: October 2012

IMG_0295 October 31

5-Minute Spanish Class #015: Present Tense of Regular Verbs

Regular verbs All Spanish verbs in the infinitive end in -ar, -er, or -ir. To conjugate, drop the ending and add: -ar Yo -o Tú -as Usted/ él/ ella -a Nosotros/ as -oamos Ustedes/ ellos/ ellas -an Hablar, to speak Yo hablo Tú hablas Usted habla Nosotras hablamos Ellos hablan -er Yo -o Tú -es Usted/ él/ ella -e […]

IMG_2193 October 30

5-Minute Spanish Class #014: The Family

The Family: la familia el esposo husband la esposa wife el hijo son
la hija daughter el hermano brother
la hermana sister el padre father la madre mother el abuelo grandfather La abuela grandmother
la tía aunt el tío uncle el sobrino nephew la sobrina niece la prima  cousin el primo  cousin la cuñada  sister-in-law […]

Easy Pork Tenderloin With Creamy Indian Spice Sauce

This is my go-to recipe when I’m feeling lazy but still want a warm tasty meal that is not boring! Ingredients: 1 Pork tenderloin 1 Can cream of mushroom soup (if you use condensed, add 1 cup water) 2 ½ Tbs. Indian spice mix (or any spice mix you find in your cabinet)  Here is […]

We Thought We Were Spared Sandy’s Wrath…

Apparently not. Last night, as Hurricane Sandy passed DC and we went to bed, I gave a sigh of relief that nothing had happened to our old house and that we were all safe.  I had heard a rip and a crash around 10 pm, but I thought it had been part of an old […]

5-Minute Spanish Class # 013: Possession II

POSSESSION: Possessive adjectives Possessive adjectives must agree in number and gender with the object possessed. Short form: Yo Mi/ mis   My Tú Tu/ tus   Your Él, ella, usted Su/ sus   Your, her, his Ellos, ellas, ustedes Su/ sus   Their Nosotros/ nosotras Nuestro/Nuestra(s)   Our My blouse                         mi blusa Your pants            […]

5-Minute Spanish Class #012: Possession I

POSSESION:  Tener v. ser de  Tener = to have Tener   To have yo tengo I have usted tiene you have tú tienes you have él tiene he has ella tiene she has nosotros/ nosotras tenemos we have ustedes tienen you have ellos/ ellas   they have                          I have two brothers Yo tengo dos hermanos […]

5-Minute Spanish Class #011: The Human Body (Vocabulary)

The Human Body El cuerpo humano el pecho chest la pierna leg la cara face el brazo arm el pezón, la mamila nipple
la boca mouth la mano hand
la cintura waist el ojo eye el pie foot las nalgas buttocks la cabeza head el abdomen abdomen la cadera hip la nariz nose el cuello […]

Traditional Semolina Cake

Ingredients: 1 liter milk 1 cup semolina flour 1 cup sugar 1 & 1/2 cups raisins (soaked in warm water) 3 Tbs. Butter Preparation: In a medium pot, bring milk to a boil Stir in sugar and semolina flour slowly Cook for 5 to 6 minutes and remove from heat before the mixture begins to […]

made on Make A Flake October 28

Writing a Novel Using the Snowflake Method

There are several versions of the Snowflake Method to writing a novel.  My personal favorite is Randy Ingermanson’s version on his website,  I strongly suggest reading Ingermanson’s page on the Snowflake Method if you are about to put it into practice.  I based my version largely on Ingermanson’s, but being a visual learner and […]

Gabriel García Márquez, How Ideas For Stories and Novels Are Born: An Image

It all starts with an image… This is a short excerpt from Gabriel García Márquez‘s El olor a la guayaba (The Smell of Guava), a series of interviews/conversations with Plinio Apuleyo Mendoza (Tunja, 1932), Colombian politician, journalist and writer.  The translation is mine: Mendoza: What is, in your case, the starting point of a book? García […]

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Inga Markovits

  • 'The Friends of Joe Jamail' Regents Chair

  • LLM Yale

An internationally renowed expert in comparative law, Professor Markovits' research has concentrated on socialist legal regimes, and more recently, on law reform in Eastern Europe. She is currently writing a local history of East German law as reflected in the work of one East German trial court and in the experiences of its users. Professor Markovits also teaches and writes in the area of family law.

In 1995-96 Professor Markovits was a Fellow at the Center for Advanced Studies in the Behavioral Sciences at Stanford University and in 1997, a Visiting Scholar at the Zentrum für Zeithistorische Forschung in Potsdam, Germany. Her 1995 book Imperfect Justice: An East-West German Diary (Oxford University Press) traces the replacement of a socialist legal system by its ideological opposite in the course of Germany's reunification. Recent Publications: "Selective Memory: How the Law Affects What We Remember and Forget About the Past. The Case of East Germany", 35 Law & Society Review 513 (2002); "Justice in Lüritz", 50 American Journal of Comparative Law 819 (2002).

Recent Publications

  • The Encyclopedia of Law & Society: American and Global Perspectives, by David S. Clark, ed., 60 American Journal of Comparative Law 856 (2012).
  • Rechtssoziologie für Außenseiter, in Wie wirkt Recht? : Ausgewählte Beiträge zum ersten gemeinsamen Kongress der deutschsprachigen Rechtssoziologie-Vereinigungen, Luzern 4.-6. September 2008 43 (Michelle Cottier, Josef Estermann & Michael Wrase eds.; Baden-Baden: Nomos, 2010). <>
  • Constitution Making After National Catastrophes: Germany in 1949 and 1990 [Symposium: Constitution Drafting in Post-Conflict States], 49 William and Mary Law Review 1307 (2008).

Full list of publications…


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You will meet a Laurier alumnus and learn about our MBA program options, including our full-time, full-time international, full-time with Co-op, part-time evenings and our part-time Toronto weekend format. We will discuss admission criteria, the application process and help you determine your eligibility.

You are welcome to bring your documents (transcript and resume) to submit for a free pre-assessment of your eligibility. We will continue to accept all applications until the programs are full.

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  • Benefit the community organization and the individuals that they serve.
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  • Provide students the opportunity to reflect on what it means to give service to others and be connected to a larger community.

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Things That Make Me Happy #43-#44

March 4, 2010

#43: A Great Deal

I had my first client meeting at my new job yesterday, so that meant I had to go out and buy a suit. You’d think by now I would have a suit, but I don’t. I bought one from H & M last spring but managed to lose the pants (!) sometime in the last year. I didn’t wear a suit to my interview last fall, instead just opting for a business casual look. In any event, at my new job I’m required to be a little more conservative and professional, so I dragged my boyfriend to JC Penny’s over the weekend to buy something on the cheap. Not only did I find a suit that had pants with pockets (to people who use insulin pumps, pockets on business wear is a GODSEND), I also bought a pair of pants, a cute top and a purple coat that was 80% off!

Edit: I forgot to mention the really cool part! All of that was $150!!!!

#44: A Clean Room

On Sunday, I had some time to myself in the afternoon, so I decided it was time to tackle the disaster area that was my room. I have never been a clean, organized person, but after a few days, there’s only so much I can handle. Not only that, but living in Manhattan means I have a fairly small room, and a messy room means it feels even smaller. Getting the crap out meant that my room feels ten times bigger, I know where everything is, and I am not constantly having receipts and test strips stuck to the bottom of my feet!

  1. March 5, 2010 8:44 AM

    YAY for the great deal! Yesterday I bought my first blazer (I figure it’d be a good thing to try and make me look a bit older when I’m teaching workshops, since most of my students are twice my age and I still look like an 18 yr old) so I’m wearing it this morning – feels a little strange dressing up so much🙂

    I’m with you the cleaning up front – I’ve really got to tackle my bedroom this weekend, and once it gets warmer, our mud room – it’s a total disaster right now!!

  2. March 5, 2010 11:20 AM

    Oh my God! I’m glad I’m not the only one who gets test strips stuck to her feet whilst walking around!😛

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NDSU North Dakota State University
Fargo, N.D.

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[2012.21.10] Early Fredonia Post Office

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Title: [2012.21.10] Early Fredonia Post Office
Author: Schultz, Ralph; Schultz, Loretta (Jonas)
Abstract: Photographic image. Black and white. Image of the early Fredonia, ND Post Office. A woman is visible at the entrance to the building. Daniel Flaig was the first postmaster when the post office opened in 1905. Courtesy of Ralph & Loretta (Jonas) Schultz Collection, 2012.21, GRHC.
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Graphics Open Source X Linux

More From Canonical Employee On: "Why Mir?" 337

An anonymous reader writes "Canonical Desktop and Mobile Engineer Christopher Halse Rogers explains in more detail the decision for Mir as apposed to Wayland. Although Halse Rogers 'was not involved in the original decision to create Mir,' he's had 'discussions with those who were.' 'We want something like Wayland, but different in almost all the details.' 'The upsides of doing our own thing — we can do exactly and only what we want, we can build an easily-testable codebase, we can use our own infrastructure, we don't have an additional layer of upstream review.' In a separate post Halse Rogers answer the question: Does this fragment the Linux graphics driver space?"
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More From Canonical Employee On: "Why Mir?"

Comments Filter:
  • Re:Context please? (Score:4, Informative)

    by Bill Dimm ( 463823 ) on Tuesday March 12, 2013 @12:22AM (#43145855) Homepage

    This is follow-up to this story [] from a week ago.

  • by rahvin112 ( 446269 ) on Tuesday March 12, 2013 @12:33AM (#43145903)

    This just proves what everyone was saying last week. This decision was entirely based on NIH (Not in House) Syndrome. Ubuntu is convinced that they have to spend all their development resources on reinventing the wheel because Wayland isn't an internal project (but it could be).

    It wasn't 6 months ago that Shuttleworth was complaining that Ubuntu needed to start making money, and here he is wasting development resources on reinventing things. Between Mir, Upstart, Harmony, and all the others he's going to have forked everything but the kernel (hey maybe that's next!, I hear forking the FreeBSD Kernel is common) and his costs only go up while he spends all his time fixing bugs all by himself. The result will be Ubuntu advancement will slow down, or it will become a buggy POS with no long term security.

    Either way I think they suffer from NIH disease and maybe they should consider a fork of the FreeBSD kernel. I imagine it won't be long before Mint/Arch or whatever fully replaces all the popularity Ubuntu managed to create. I already see Mint recommended more often than Ubuntu.

  • by Bill Dimm ( 463823 ) on Tuesday March 12, 2013 @12:39AM (#43145933) Homepage

    ...This decision was entirely based on NIH (Not in House) Syndrome...

    NIH = Not Invented Here

  • by ndogg ( 158021 ) <> on Tuesday March 12, 2013 @01:21AM (#43146119) Homepage Journal

    Sure, that could be part of it, but I think a careful reading would show that there were a number of things missing from Wayland that they wanted, and there were a number of things that would have required some heavy patching to get what they wanted, which probably wouldn't have been any better than starting anew anyway. This way they also don't have to worry about whether or not their patches get accepted upstream.

    I guess they could have forked Wayland, but if they're not going to use most of that code anyway, what would be the point?

  • Ignorance on display (Score:5, Informative)

    by FranTaylor ( 164577 ) on Tuesday March 12, 2013 @02:35AM (#43146365)

    You're just betraying your ignorance of Wayland. Wayland does NOT replace X windows. In fact Wayland was designed from scratch so that an X server can run in wayland WITH NO PERFORMANCE PENALTY.

    So with Wayland you can STILL run your old legacy X11 apps and get decent performance too!

    Win win all around! What is the downside?

  • by rahvin112 ( 446269 ) on Tuesday March 12, 2013 @02:51AM (#43146411)

    Wayland is being developed by the same people behind 99.9% of the people lambasting Wayland have no idea what it is, what it's going to accomplish or how entrenched it already is.

    Wayland is the future. It will take some time to get everything in place but it's already in play and many other project from the kernel to window managers are already moving towards implementing the plumbing necessary. Given this is slashdot I'm not particularly surprised by the ignorance, nor that people think something as complex as a complete rewrite of the GUI could be accomplished in weeks nor am I surprised that no one has bothered to actually learn about wayland and what it is but frankly the hatred is a bit surprising given the total ignorance. People hate software they know nothing about because they are afraid of change, it's just silly.

    You think they would at least try to learn what it is given that almost all the people behind it are the same people behind

  • by Randle_Revar ( 229304 ) <> on Tuesday March 12, 2013 @03:15AM (#43146511) Homepage Journal

    Dunno about the younger guys, but Keith was an X dev way back in the day. And by back in the day I mean 1988.
    At least a few of the other devs where from the XFree era...

  • by FranTaylor ( 164577 ) on Tuesday March 12, 2013 @03:16AM (#43146515)

    The downside is that a lot of development resources are being funneled to the rewrite of functionality currently quite well implemented by Xorg.

    do you actually use X windows at all?

    It's buggy as heck and its performance is miserable.

    Your crack about "developement resources" is pretty funny because the original X developers are also developing Wayland because they are SICK of funneling their development resources into fixing X bugs.

  • by FranTaylor ( 164577 ) on Tuesday March 12, 2013 @05:08AM (#43146893)

    Here are some RESULTS from an experiment done by

    The first number is X windows tunneled through SSH
    the second number is VNC
    the third number is NX

    Start Matlab (-nosplash) 9.6s 4.9s 5s
    Open edit window 2.9s 1.3s 1.2s
    Activate File menu 0.6s 0.1s 0.1s
    Activate Edit menu 0.6s 0.1s 0.1s
    Activate Text menu 0.5s 0.2s 0.1s
    Close edit window, redraw main window 1.5s 0.4s 0.3s
    Close matlab 0.5s 0.6s 0.6s

    As you can see REMOTE X WINDOWS SUCKS

  • Re:Context please? (Score:5, Informative)

    by TheRaven64 ( 641858 ) on Tuesday March 12, 2013 @05:35AM (#43146983) Journal
    There is a great Slashdot post from one of the developers of Quartz around 2001 about why they chose to reinvent the wheel instead of using X11. The problem is, none of his criticisms applies to circa 2006 or later. It was shown, by counterexample, that it was possible to add all of the missing features that Apple wanted to X11, without breaking backwards compatibility. And, as part of their rewrite, they lost some separation of concerns and they lost compatibility with X11 applications except via an ugly (visually) compatibility layer. The latter wasn't a problem for Apple, because they didn't want to be running X11 apps, they wanted people to write new Cocoa apps. It is a problem for a system attempting to take advantage of the large corpus of existing X11 apps.
  • by Mr Thinly Sliced ( 73041 ) on Tuesday March 12, 2013 @05:48AM (#43147037) Homepage Journal

    We could have had a modern display server years ago with XGL/Xegl. But it was killed off because Red Hat and nVidia didn't like.

    The disagreement was purely technical.

    The XGL approach caused a bunch of peformance problems for various rendering scenarios (stereo3d, overlays like video) - XGL forced everything through a pixmap to be rendered by GL.

    No acceleration using the GPU for video / scaling or anything else.

    XGL was cool because it was first and everyone got googly eyed at the effects. It probably was a catalyst in getting the right solution (AIGLX), too.

  • by dkf ( 304284 ) <> on Tuesday March 12, 2013 @06:15AM (#43147131) Homepage

    Wayland is being developed by the same people behind

    That explains my number one complaint about Wayland: the documentation is terrible. Truly awful. I mean this in a very specific way: there is insufficient information there to tell me how I could get a surface on which I could render things, and there is insufficient information there to permit me to do an independent reimplementation of the client library. My only recourse would be to read the source code, but right now that doesn't seem to help either. (Sure, I could connect and probably get a surface, but I have no idea what I could do with that surface or how I would change the handle into something that some other library could draw on.) There's just too much information missing, and that's about par for the course with anything produced by the folks from; they can code cleanly enough, but they can't document critical info.

    I am a GUI toolkit maintainer. I'm not porting anything away from X11 for now because I just don't see enough of a platform to port to. (Some bits are probably there. Some definitely aren't. I have other things to do as well as filling out gaping holes in others' critical info.)

  • Re:Context please? (Score:3, Informative)

    by larry bagina ( 561269 ) on Tuesday March 12, 2013 @10:42AM (#43148817) Journal

    OS X is certified Unix. It's not X, but X isn't Unix.

    The UI has a lineage going back to the 1984 Mac (and Lisa) but everything else is NeXT/OpenStep.

  • Re:Context please? (Score:4, Informative)

    by jbolden ( 176878 ) on Tuesday March 12, 2013 @01:40PM (#43150795) Homepage

    What features are missing from OS X's display system that were present in OS 9?

    The OS9 Finder' which was powerful
    Use of Fitt's law in design
    Interface consistency
    First controls differ in location and in tone
    Symbols consistent with actions.
    Clickable action and light up zone matching
    Variable spacing for controls as a preference
    Control of justification and spacing on the menu bar

Failure is more frequently from want of energy than want of capital.


text:
bad disc 2, NVidia drivers "fix", XAWTV artifacts

Hello all.

First, I have to say I love the mouse pointer in Phoebe 3! It's just...right.

I just installed Phoebe 2 on the 19th, and the first thing I did was test the browser. I hopped over to Distrowatch.com where I found that Red Hat just released Phoebe 3...doh!

I downloaded from the anl.gov server and burned all 6 discs. I rebooted and booted off of disc 1. I tested the CDs and disc 2 came out bad. I chucked the CD, re-downloaded the file and re-burned the CD from Windows. Again, bad! I downloaded again and burned again, at 1x just to be safe...again, bad! I then downloaded from the bnl.gov server, burned the disc, and it worked fine. (I have so much faith in Red Hat that I simply assumed it impossible that the CD testing tool might be mistaken. ^_^ My faith is not misplaced.) Just a warning, the anl.gov server likely has a bad disc 2. I already emailed them about it.

Ever since the first Phoebe, I've been searching and searching for good instructions on how to build nVidia drivers. I myself use an ATI card, but my brother and sister each have nVidia's and Red Hat 8.0. The best instructions I've found were posted by Knut J Bjuland, and although they are very informative and almost work, I still can't get it building. It gets part way through the patch and complains about some sound object not existing. (Sorry, I can't remember exactly what it was, and I have moved that system back to Psycho.)

I have two other "solutions" that seem to work okay.

1)Install Phoebe and then run the appropriate RPMs from Psyche. This never works as easily as it sounds, as it might not put a few files in the right place. Not that they're in the wrong place, they're just not in the best place for RPMBUILD. Theoretically, though, you should be able to install a pre-compiled driver.

2)Install Psyche and manually put Phoebe together on top of it. This turns out to be the path I'm taking, since I'm going to rebuild all the SRPMS for different processors.

Finally, XawTV shows artifacts. It did this in Phoebe2, too, but it never did it in Psyche. I'm using GATOS. (I'm so glad to have finally figured out that all I have to do is decompress the friggin tarball into the USR directory...duh! Is there any chance that RH can add GATOS to distribution? I've only done the AV part, and I'd like to install all the updates, but the instructions are so confusing to me.

Other than that, I can't say that I've experienced *any* bugs. Pretty cool!

Well, I take that back. I made a user named "user" and while logged in as user, I substituted to root and started Nautilus. While in Nautilus, I dumped a backup "userbak" folder directly into "user", which I'd done a few times before without any trouble. This time, the desktop temporarily became the root desktop! About a minute later, Nautilus stopped handling the desktop altogether. A couple programs refused to start altogether. I was in the middle of playing music in XMMS and rebuilding the sources, and those kept going just fine. I just logged out and back in and everything worked perfectly. I really don't think it was a bug per se, since I was tampering with open files while SUing as root, but I'm slightly concerned about the root desktop showing up.

Is it my imagination, or is Phoebe 3 installation much much faster? My brother's system usually takes 3 hours, and it took 1 hour this time. My system usually takes 40 minutes, but this time it took around 30 minutes, and it would have taken under 20 minutes if I didn't leave a bunch of stuff on my hard drive for the installer to deal with.

I like Phoebe 3!

-Benjamin Vander Jagt

[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]


text:
[CentOS-devel] CentOS5 virtual machine image

Daniel de Kok danieldk at pobox.com
Thu Jan 25 15:54:30 UTC 2007

On Thu, 25 Jan 2007 16:16:26 +0100
Nils Toedtmann <centos-mail at nils.toedtmann.net> wrote:
> there is a demand for ready-to-boot virtual machine images for distros
> like CentOS.

FWIW my uninformed opinion as a user: I have played with Xen support in
the latest RHELv5 beta and Fedora Core 6, and I think it could well be
the beginning of the end of prebuilt images for most uses. With
virt-manager, bootstrapping a virtual machine is as easy as providing a
repository URL and a kickstart file.

Personally, I'd rather like to change my kickstart file a bit than
downloading yet another (potentially untrusted) prebuilt image. YMMV.

-- Daniel

More information about the CentOS-devel mailing list


text:
Re: Proposed IRC meeting for the D-I team

Christian Perrier wrote:
> The most appropriate hour in my eyes, given the geographical location
> of possible participants, is 14.00UTC on next Saturday (June 19th),

Ok, I was going to call a meeting for this two hours later on the same
day, but you win. :-)

> Joey Schulze, as stable release manager, would also be nice to have
> here around, as well as all other release managers (namely Andreas
> Barth as I already cited all others, IIRC).

Well the RMs are having our own meeting, probably the next day, so I can
take things as needed to them if they don't make it.

> Proposed topics:
> -d-i release management
> -sarge branch maintenance and sarge point release management
> -throw out a few *general*development plans without being too
>  specific (keep this for further, more specialized, meetings)

  - how to get development ramped back up and attract and re-attact more
  - how to avoid breaking d-i too badly while doing unstable
    development; ie, coordinating changes

see shy jo

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text:
Re: Size of file changes when uploading to ftp servers.

On Tue, 2002-01-22 at 11:01, Eric Van Buggenhaut wrote:
> I don't know. What files should I upload then ? *.dsc, *.changes and
> *ia64.deb ?

No, the .dsc is part of the source.  For a binary-only upload you just
want .deb and .changes.

Reply to:


text:
Re: Bug#56166: base-files: copyright in motd is outdated (fwd)

On Tue, 25 Jan 2000, you wrote:
> Well, my question is more a "do we really want to claim ownership of it?"> than a "do we really have the right to copyright Debian as a whole?".
> Is claming ownership of Debian as a whole within the spirit of the free
> software world?

Under the Berne Convention (to which the U.S. is a signatory) there is no
notice requirement as a condition to copyright protection.  Essentially,
the law tends to preserve your rights automatically on the assumption that
you want to keep them.  Thus, even though we don't place a notice on the
tangible media, the Debian organization can still pursue copyright infringement
actions (and other organizations and individuals would have to consider that).
Consequently, the question is not whether we should or should not claim
copyright ownership - Debian already has it as soon as the compilation is
complete in a tangible media.  What we should consider is our policy about
copyright infringement and what Debian should state as its policy before the
public, including, if necessary, publicly and affirmatively renouncing
copyright protection.

Ronald L. Chichester
713-621-0703 (voice)
713-622-1624 (facsimile)

Reply to:


text:
Bug#385299: umbrello: Umbrello should depend on kdebase-bin

On Monday 19 February 2007, Djoume SALVETTI wrote:
> Le lun 19 fév 2007 14:11:24 GMT Sune Vuorela <debian@pusling.com> a écrit :
> > > I have used umbrello in a GNOME environement and experience the same
> > > bug as you. To resolved it I had to manually install kdebase-bin (which
> > > contains the 'drkonqi' executable).
> >
> > Why do you think umbrello needs drkonqi ?
> After a fresh Etch install with GNOME (default desktop), I have apt-get
> install umbrello.
> I have then found that any change I made to my diagram are not saved. So
> I launch umbrello from a terminal and see that it was crashing with :
> | KCrash: Application 'umbrello' crashing...
> | Could not find 'drkonqi' executable.
> | KCrash cannot reach kdeinit, launching directly.
> So I have apt-get install kdebase-bin to provide drkonqi, and since then
> I haven't had any trouble with umbrello in a GNOME environement (saving
> works).

drkonqi is just the kde crash handler - so I am really sure that it is not
the presence of drkonqi that make it works.
kdebase-bin does ship other programs as well.

> > drkonqi is used when a application crashes - not for normal use.
> >
> > I will downgrade this soon, unless I get better reasonings
> May be it's not drkonqi that is required. Anyway, feel free to downgrade
> if you think serious is not justified.

I would be glad if you could pinpoint it to a specific part of kdebase-bin
that it is needed.

I have just tired to force-remove kdebase-bin - and I am still able to save a
project in umbrello, close umbrello and reopen the project.

Man, how may I receive the system?

From ICQ 2.3 and from the options within DOS you must turn off the minitower
to digit from a window on a jumper.

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text:
init scripts and Required-Start

I found a problem with our init script design. We have the flag
"Required-Start" and all listed services must be started before the
init script is allowed to be started. I undestand it in this way,
that an error should be printed if not all required services are
installed ?

My problem: for ypbind, I have 2 dependencies:
1. portmap, it is a hard requirement and it must be running before
   ypbind could be started
2. ypserv: If ypserv is installed and configured, ypbind must be
   started after it. If it is not installed or confiured (on a NIS
   client, for example), we can ignore it.

How should I write this dependencies in our current init script
header? I think the only solution would be a second Start (and
Stop ?) field, one for hard requirements, one for soft.

Thorsten Kukuk       http://www.suse.de/~kukuk/        kukuk@suse.de
SuSE GmbH            Deutschherrenstr. 15-19       D-90429 Nuernberg
Key fingerprint = A368 676B 5E1B 3E46 CFCE  2D97 F8FD 4E23 56C6 FB4B

Reply to:


text:
[Test-Announce] Fedora 14 Final RC1 Recap

He Rui rhe at redhat.com
Tue Oct 26 10:11:09 UTC 2010

As you can see in the bug list summarized below, Test results of
F-14-Final-RC1 are positive so far, no blocker bugs were found when
executing the tests. Many thanks for the hard working of developers,
rel-engineers, and testers to keep improve the quality of Fedora.

========================= Installation ===============================

* F14-accepted:

645645 NEW  - Another grub picture is shown before the regular one
646437 MODIFIED  - Fail to login to desktop after preupgrading to F14
from F12

* Warnings:

585006 NEW  - anaconda and livecd-creator are creating i386 and x86_64
ISOs which are larger than indicated by the ISO header
645660 CLOSED DUPLICATE 645606 - F14 Final RC1 Live does not show gnome

=========================== Desktop =================================

* Warnings:
646041 NEW  - Missing "OK" button
643435 NEW  - Automatically unlock function seems break. It always asks
password when I'm logged in.

For detailed test results, please refer to:

Also be noticed that Fedora 14 FINAL Go/No-Go Meeting will be held soon
today at 21:00 UTC. Stay tuned for this.

Many Thanks!

FAS Name: Rhe
Timezone: UTC+8
TEL: 86-010-62608141
IRC nick: rhe #fedora-qa #fedora-zh

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text:
New testing kernel. 2.6.10-1.727_FC3

David Zeuthen davidz at
Wed Jan 5 01:14:29 UTC 2005

On Tue, 2005-01-04 at 20:04 -0500, Dave Jones wrote:
> Theres a bugzilla already open on this iirc.
> I think hal was leaking filedescriptors on the cdrom, so it
> was still 'in use'.
> davidz, sound familiar ?

Only if the disc didn't contain a filesystem, e.g. audio or blank disc.
I couldn't reproduce this myself, however the fix is actually in these

Jeff, does this work; if not what are the contents of

 ls -l /proc/`pidof hald`/fd

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text:
cannot boot beyond runlevel 1

Michal Jaegermann michal at
Mon Jan 3 17:52:12 UTC 2011

On Sun, Jan 02, 2011 at 06:37:34PM -0500, Felix Miata wrote:
> On 2011/01/02 15:25 (GMT-0700) Michal Jaegermann composed:
> > On Sun, Jan 02, 2011 at 04:53:49PM -0500, Felix Miata wrote:
> >> How & when do I get into interactive startup,
> > See the previous replies but remember to put "3" into a boot line
> > instead of "rhgb quiet".
> To be clear, as I alluded to in my previous replies, none of my (100+) OS
> installations has rhgb or quiet on any kernel line in any stanza I ever use,

Then I am at loss how to explain that you may miss "Press 'I' to
enter interactive startup." message which shows up in a distro

More information about the test mailing list


text:
Kévin Raymond shaiton at
Mon Mar 26 13:00:34 UTC 2012

On Sun, Mar 25, 2012 at 7:08 PM, Kévin Raymond
<shaiton at> wrote:
> On Sun, Mar 25, 2012 at 12:18 PM, Zoltan Hoppar <hopparz at> wrote:
>> Hi
>> It seems there is another victim, as similarly before - but now is
>> system-config-kdump is the problem. I can't access it inside the HU
>> team fedora-main group. Is it possible to solve it somehow?
>> Thanks,
>> Zoltan
> Hi, you need to ask the indifex team to check. you can reach them by
> #transifex freenode canal if they don't see you request here.

system-config-kdump is now sourcing the Fedora Project hub, therefor
it is using Fedora Project translation teams. Great!
I've just understood your last issue Zoltan, I didn't get that the
project was not using our teams.

Resolved now.

Kévin Raymond

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text:
[OpenWrt-Devel] Enabling a config option based on selected target

Lukas Macura macura at opf.slu.cz
Tue Aug 16 08:52:49 CEST 2011

Hi Angus,

look here:

into dependencies of besip-lite package (latest entries). Is it what you
are searching for?

With regards,

Dne 16.8.2011 01:45, Angus Gratton napsal(a):
> I've been porting OpenWRT to run on the ZipIt Z2[1] handhelds. For
> usability purposes the system needs to load a larger console font & a
> valid keymap at boot time.
> To make this work seamlessly, I'd ideally like the config system to
> when the user selects the ZipIt subtarget.
> Is that possible? I can't seem to get there using DEPENDS or
> DEFAULT_PACKAGES in target.mk, they only seem to work with whole
> packages. I also tried the "DEPENDS: @" syntax described here[2] but it
> didn't seem to work, gave me a circular dependencies error!
> Does anyone have any advice or places to look? Sorry if the answer is
> somewhere obvious, I'm fairly new to buildroot.
> Thanks very much,
> Angus
> [1] https://github.com/projectgus/openwrt-zipit
> [2] http://wiki.openwrt.org/doc/devel/dependencies
> _______________________________________________
> openwrt-devel mailing list
> openwrt-devel at lists.openwrt.org
> https://lists.openwrt.org/mailman/listinfo/openwrt-devel

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text:
Understanding Retina Images in HTML Email

As high DPI displays become more common in phones, tablets, and computers, the need for retina images increases. In this post, we dissect retina images, how to use them in email campaigns, and some important considerations email marketers need to keep in mind.

Where Should You Focus Your Testing Efforts?

Between buggy support for HTML and CSS, spelling errors, bad links, missing images, and other potential blunders, it’s crucial to test your email campaigns before every single send. But, where should you focus your testing efforts? With so many email apps available (not to mention the different versions of each), it’s easy to feel overwhelmed trying to test every possible combination. Looking at open data for your audience is the key to narrowing down where you should be focusing your testing efforts.

Five Ways to Test an Email

We all know that email preview testing is important. But there are a lot of different ways to test your email throughout the development process. We take a look at five ways to get the most out of email testing for everyone in the design and development chain.

Back to the Basics: Are You Testing Your Emails?

Ever send an email campaign only to get swamped by replies saying that it looks broken in subscribers’ inboxes? Nine times out of ten, broken campaigns come down to a failure to test before sending. Learn why email preview testing is one of the most important tools for email marketers.


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SubjectRe: OOPS 2.6.0-test4 (almost) repeatable

On 2003.08.25 12:55, Russell King wrote:
> Ok so it isn't a BUG().

I suspected ACPI so I tried booting it with :
acpi=off no shutdowns, no oops
pci=noacpi within seconds as I plug 650+ it shutdowns (tried three times)
pci=usepirqmask survives a _lot_ longer (several mins) but as soon as I
`cardctl insert` -> shutdown

ACPI problem ?

Any hints what to check next ? I'm welcome to patches ..

Mario Mikocevic (Mozgy)
mozgy at hinet dot hr
It's never too late to have a good childhood!
The older you are, the better the toys!
My favourite FUBAR ...
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Patch in this message
Subject[patch 14/19] xfs: eagerly remove vmap mappings to avoid upsetting Xen
-stable review patch.  If anyone has any objections, please let us know.

From: Jeremy Fitzhardinge <>
patch ace2e92e193126711cb3a83a3752b2c5b8396950 in mainline.

XFS leaves stray mappings around when it vmaps memory to make it
virtually contigious. This upsets Xen if one of those pages is being
recycled into a pagetable, since it finds an extra writable mapping of
the page.

This patch solves the problem in a brute force way, by making XFS
always eagerly unmap its mappings.

[ Stable: This works around a bug in 2.6.23. We may come up with a
better solution for mainline, but this seems like a low-impact fix for
the stable kernel. ]

Signed-off-by: Jeremy Fitzhardinge <>
Cc: XFS masters <>
Cc: Morten =?utf-8?q?B=C3=B8geskov?= <>
Cc: Mark Williamson <>
Signed-off-by: Greg Kroah-Hartman <>

fs/xfs/linux-2.6/xfs_buf.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -187,6 +187,19 @@ free_address(
a_list_t *aentry;

+#ifdef CONFIG_XEN
+ /*
+ * Xen needs to be able to make sure it can get an exclusive
+ * RO mapping of pages it wants to turn into a pagetable. If
+ * a newly allocated page is also still being vmap()ed by xfs,
+ * it will cause pagetable construction to fail. This is a
+ * quick workaround to always eagerly unmap pages so that Xen
+ * is happy.
+ */
+ vunmap(addr);
+ return;
aentry = kmalloc(sizeof(a_list_t), GFP_NOWAIT);
if (likely(aentry)) {
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text:
Web Site Feedback - Jason

Web Site Feedback

I live in California where mustang parts are as rare tumbleweed rolling through Los Angeles. When a friend told me about you guys and gave me peek at his catalog, I nearly had a heart attack. Just want to say thanks for the fast delivery of my orders and your large inventory of mustang parts.

Tell others about your experience with us!


text:
Louis Proyect: The Unrepentant Marxist

May 13, 2010

Zizek as shock jock

Filed under: Ecology — louisproyect @ 5:10 pm

Slavoj Zizek’s article Joe Public v the volcano that appeared in the April 29 2010 New Statesman illustrates once again the perils of being the shock jock of academic Marxism. One can imagine him stroking his beard and saying to himself after writing such an article: “Hah, that will get ’em talking”. Yes, it might get people talking but the goal is to raise their awareness, not just get them talking.

I am afraid that Zizek gets sidetracked in these sorts of intellectual dead ends because he, like many big-time “theorists”, operates pretty much as a lone wolf. In the rarefied world of plenary sessions and featured articles in the New Left Review, the professional intellectual operates like a novelist or a composer. They have to make a big impression and that means carving out some turf that cannot be confused with some other second-rate talent. Unfortunately, when it comes to Marxism, you really need to be part of some kind of collective discussion or else you end up veering off in odd directions. Of course, within that framework you have to have the ability to think for yourself. Ironically, the crisis of Marxism today is largely a function of people like Zizek operating in their own hermetically sealed intellectual space on one hand, and on the other hand “Marxist-Leninists” functioning like the Borg in Star Trek. You need both the collective framework and the freedom to speak your mind.

Zizek’s article was inspired by the volcanic eruption in Iceland:

We are living in an age when we are both able to change nature and more at its mercy than ever –– as the Icelandic volcano has proved.

Many of those who have a fear of flying are haunted by a particular thought: that is, how many parts of such a complicated machine as a modern plane have to function smoothly in order for it to stay in the air? One small lever breaks somewhere, and the plane may spiral downwards . . . When you start to think how many things could go wrong, you cannot help but panic.

The people of Europe have experienced something similar in the past few weeks. That a cloud from a minor volcanic eruption in Iceland – a small disturbance in the complex mechanism of life on earth – can bring to a standstill the air traffic over almost an entire continent is a reminder of how humankind, for all its power to transform nature, remains just another living species on the planet.

Starting from a major event taking place in nature outside of society, Zizek spins off into some questionable musings on ecology that by its very definition involves human agency. His main problem is that he lacks a class analysis. Note carefully in the following excerpt how freely he uses the words “we” and “our” as in the following: “our best hope of understanding those threats, and the means through which we may find a way of coping with them”. Between someone like myself and a shrimp swimming around in the Gulf of Mexico on one hand and BP and the Obama administration on the other, there’s not much “we” going on.

Most of the threats we face today are not external (or “natural”), but generated by human activity shaped by science (the ecological consequences of our industry, say, or the psychic consequences of uncontrolled genetic engineering), so that the sciences are simultaneously the source of such threats, our best hope of understanding those threats, and the means through which we may find a way of coping with them.

Even if we blame scientific-technological civilisation for global warming, we need the same science not only to define the scope of the threat, but also, often, to perceive it in the first place. The “ozone hole”, for example, can be “seen” in the sky only by scientists. That line from Wagner’s Parsifal – “Die Wunde schliest der Speer nur, der Sie schlug” (“The wound can only be healed by the spear that made it”) – acquires a new relevance here.

How much can we “safely” pollute our environment? How many fossil fuels can we burn? How much of a poisonous substance does not threaten our health? That our knowledge has limitations does not mean we shouldn’t exaggerate the ecological threat. On the contrary, we should be even more careful about it, given that the situation is extremely unpredictable. The recent uncertainties about global warming signal not that things are not too serious, but that they are even more chaotic than we thought, and that natural and social factors are inextricably linked.

Things go from bad to worse when Zizek invokes Donald Rumsfeld as a kind of epistemological authority in a clear bid to be outrageous—expecting his readers to email their friends: “Did you read Zizek’s piece in the New Statesman where he cites Rumsfeld? Wow!”

When it comes to the risk of ecological catastrophe, we are dealing with “unknown unknowns”, to use the terms of the Rumsfeldian theory of knowledge. Donald Rumsfeld set out this theory in a bit of amateur philosophising in February 2002, when he was still George W Bush’s defence secretary. He said:

There are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns – the ones we don’t know we don’t know.

What Rumsfeld forgot to add was the crucial fourth term: the “unknown knowns”, things we don’t know that we know – which is the Freudian unconscious, the “knowledge which doesn’t know itself”, as Lacan put it. To the assertion that the main dangers in the Iraq war were the “unknown unknowns” – the threats that we did not even suspect existed – we should reply that the main dangers are, on the contrary, the “unknown knowns”, the disavowed beliefs and suppositions to which we are not even aware we adhere.

So, dear reader, you might find yourself asking what the fuck does this have to do with the environment. Well, at least, that’s what I would ask. Here’s how Zizek answers that question:

Humankind should get ready to live in a more nomadic way: local or global changes in environment may demand unprecedented large-scale social transformations. Let’s say that a huge volcanic eruption makes the whole of Iceland uninhabitable: where will the people of Iceland move? Under what conditions? Should they be given a piece of land, or just dispersed around the world? What if northern Siberia becomes more inhabitable and appropriate for agriculture, while great swaths of sub-Saharan Africa become too dry for a large population to live there – how will the exchange of population be organised? When similar things happened in the past, the social changes occurred in a wild, spontaneous way, with violence and destruction. Such a prospect is catastrophic in a world in which many nations have access to weapons of mass destruction.

Well, Slavoj, there is a precedent for moving people around but not in the way that you envision. One of the most significant achievements of the Cuban revolution has been its ability to evacuate its citizens from the path of an oncoming hurricane, as seen in this AP dispatch:

HAVANA, Cuba – When Hurricane Ike struck Cuba, Ronald Matos didn’t think twice about fleeing his one-room wooden house for a government shelter.

The 34-year-old construction worker and his wife, Emma Jean, got soft beds, free meals, the attention of a doctor and solicitous social workers — and the companionship of other friendly Cubans.

“We passed the night talking and telling stories, because Cubans never lose their smiles or their sense of humor,” he said. “There is no electricity, but we are better protected than in our homes.”

With an inefficient centralized economy and a U.S. embargo that has stifled trade, Cuba doesn’t have resources to build new, hurricane-proof buildings. It doesn’t have fleets of Humvees to charge through the floodwaters. Few of its people have cars to flee in, and fewer still can check on loved ones by cellphone.

But if there’s one thing the communist island does right, it’s evacuations. And in the end, that saves more lives than anything else.

One imagines that despite being a “Leninist”, Zizek would be not that impressed with such measures in light of his general displeasure with the island’s “stagnation”, something I commented on in a prior post:

It appears that our Lacanian theorist took a trip to Cuba a while back and didn’t like what he saw very much, to put it mildly. He was struck by all the “poverty”, “stagnation” and “inefficiency” that he interpreted as the Cuban leadership’s attempt to prove its “authenticity”.

Well, I don’t know. Those evacuations sound pretty efficient to me.

Then, of course, there’s the question of what this has to do with “great swaths of sub-Saharan Africa” becoming “too dry for a large population to live there”. I would say there are two problems with this. First of all, it puts climate change on the same plane as volcanoes. To my knowledge, the first is a problem associated with untrammeled capitalist production while the second is a product of nature. To confuse the two is mischievous, to say the least. The other problem is that it assumes that the population of sub-Saharan Africa can be picked up and moved somewhere else. This would be a daunting task even under socialism. It is much better in fact to draw a line in the sand and say that the great majority of humanity (i.e., the workers and the peasants) will not stand for such a catastrophe brought on by the ruling class’s disregard for elementary ecological principles. What would strike any normal, class-conscious person is that Zizek’s recommendations are utterly fatalistic and defeatist at the core, so at odds with his “Leninist” pretensions.

  1. Louis, reading your writings on Zizek is like watching an usual scene from a Marx Bros. movie where Harpo harasses a serious person and he desperately tries to deal with him in a rational and civilized manner.

    Comment by Mehmet Çagatay — May 13, 2010 @ 5:49 pm

  2. I have always considered Zizek as more of an entertainer than a theorist or Marxist academic, and it is worth noting that he received a cult hero’s welcome at the Roxie Theatre in San Francisco a few years ago, when that movie about him was released, almost like a rock star or champion surfer. The one thing that I have taken away from him has been his emphasis about how a liberal, rights based system of social relations can be put to nefarious purposes. That can be very helpful to both Marxists and anarchists.

    Your comment about the New Left Review is interesting. First off, it is worth noting that is rather dubious to characterize it as Marxist publication anymore, rather it is more internationalist and sociologically based. Second, I don’t think that most of the people who publish there are necessarily compelled to make a big impression. In that respect, Zizek is an exception (along with Mike Davis, I might add, and for some reason, I find him more and more tiresome), and his work that is published in it is more nuanced than what appears elsewhere. But there are quite a number of people who publish there, like Gopal Balakrishnan, Tony Wood and R. Taggart Murphy, just to name a few, who are definitely worth reading, as long as you keep in mind that any relationship to Marxism or other left political forms is tangential. The NLR’s ongoing emphasis upon China makes it essential reading for anyone on the left who wants perspectives independent of the mainstream media, with an article by Richard Walker a few years ago, “The Capitalist Road”, I think it was called, being most enlightening.

    But there is no question, there is an academic separation between what appears in the NLR, and what goes on in the real world, as there is most instances, unfortunately.

    Comment by Richard Estes — May 13, 2010 @ 5:50 pm

  3. Mehmet Çagatay,

    I agree with you that Louis Proyect unbelievably misrepresents Zizek in the last passage, although Louis is right to say that Zizek should not say ‘we’ and that Zizek should stop repeating that Rumsfeld anecdote. I would like to invite you however to have a serious debate strictly on the validity of Zizek’s philosophy (not his role as an intellectual or his ‘crazy’ politics). The forum to the debate is linked in my name. Hope to see you there!

    Comment by Noa Rodman — May 13, 2010 @ 6:16 pm

  4. Louis, I quite like Zizek sometimes and I have quoted from him freely in my forthcoming book on Trotsky – but then, it was mostly from his introduction to Trotsky’s Terrorism & Communism, that offers a no-nonsense account of War Communism (which, however, seems to bank heavily on Lars T Lih’s work). I know he has much of an entretainer, as I ran across him as he made a conference on his The Parallax View in Rio de Janeiro Federal University, which was broadcast from the University hall through a widescreem into the arena theater, and where he had Caetano Veloso (among others) in the audience. Later he signed copies of his book, and as I handled him mine, he asked : (a)my name, upon which he asked (b)wheter I was a namesake of Ilitich Ramirez… But then he is only a detail in a greater picture, as I am reminded when I witness the inability of the Brazilian Left Academy to even begin offering something in the way of an alternative to Lula’s politics….

    Comment by Carlos Rebello — May 13, 2010 @ 8:30 pm

  5. I thought the New left review was addressing the stuff Zizek was actually warning about, In the case, he was saying that oil drilling on the ocean floor is a terrible option.

    Comment by Jenny — May 13, 2010 @ 9:33 pm

  6. Good catch, Jenny. That’s what I get trying to write an article during lunch break.

    Comment by louisproyect — May 13, 2010 @ 11:17 pm

  7. Louis, reading your writings on Zizek is like watching an usual scene from a Marx Bros. movie where Harpo harasses a serious person and he desperately tries to deal with him in a rational and civilized manner.

    That’s the nicest thing anybody has ever said about me. Another old friend said that when I go on the attack against Zizek or some other Marxist celebrity, it is like watching a small but tough hunting dog biting the nose of a bear.

    Comment by louisproyect — May 14, 2010 @ 3:58 pm

  8. I made a similar argument in regards to the more influential, Liberal Democrat supporting, activist icon here in the UK—George Monbiot:

    Comment by necessaryagitation — May 16, 2010 @ 9:10 am

  9. […] tuligsa si Louis Proyect, nagpapakilalang “hindi nagsisisi sa pagiging Marxista” kay Slavoj Zizek. Artikulo tungkol sa […]

    Pingback by V para sa Venezuela, Cuba, Bolivia « Kapirasong Kritika — May 27, 2010 @ 5:53 pm

  10. Zizek said oil drilling down from the ocean bottom’s a very bad idea, Obama(who the public seem to still love) said drill baby drill(just not as loudly as Palin), yet if you asked the average pleeb who they trust more as a person of good judgement, they wouldmsay Obama over Zizek. They most likely would site for their reasons the difference in mannerism and dress codes. Which goes to show that there are –tragically– few people who truly “grow up” in this country.
    I don’t see how anyone can believe in the people anymore, consumer society has made the US a nation of children, it’s a tragedy that makes it impossiblemto be a populist.
    Maybe when ppl lived in communities and had connections with the group and with the land, populism had more substance to it. Today, populism is reduced to peoples love of wrestler-esque pols like Palin. Just more proof no one is adult, as the poor are deprived of community, time, and substance. Consumers are stunted children, who are constantly barraged by a flood of ads distracting them from political organization.
    In china, those in power have built empty cities that look quite nice to live in, so they can wave these in front of the working poors noses. There always the story of the family who started a business or who worked hard enough to buy a place in these media cities, built for a camera.

    Comment by Nate — June 1, 2010 @ 9:58 am

  11. Louis, I have to say – I think your critique unfortunately undermines itself by taking the errors in to which Zizek’s article tendentiously slips for the core of the argument from the beginning. Because of the narrow, terrier-like focus on what weak parts you can possibly get your teeth into you not only miss the broader implications of the article, but even seem to be critiquing Zizek for saying what you yourself substantively say – not to mention dragging the article away from much of its initial context.
    Let us take a few examples. First of all, you start off with the big claim about the economy of intellectual production which must overdetermine the product – so we already know, before any reading of the article we supposedly know what we essentially find in any case – a commodity determined by its shock value in a neoliberal economy of attention and intellectual consumerism. Clearly you feel you know what you will find also, so the reading is not of the article, but for signs of this form which is a priori. Given the general validity of these assumptions about such a structural setting, we still might ask how the particular ‘shock value’ might operate – does it produce a genuine disequilibrium or is it a fake? – then we could at least glimpse something of the article itself from under the shroud of this reductive abstraction. Second, when you start the reading, giving, I admit, your readers a generous quotation from the text which allows an independent view, you impute to Zizek quite the opposite from what, I, at least, took away with me saying that he is “starting from a major event taking place in nature outside of society,” whereas I thought the whole point was that it is precisely the complex interconnection and technological entanglements of society that make it, at a broader level, even more exposed and delicate in relation to the mediation of these ‘natural’ disturbances… Zizek does not start from the volcano as a geological phenomenon, but from the point of view of a grounded passenger at an airport. Your comments about a lack of class analysis are true and clearly valuable, but instead of carrying that through systematically, your focus is on Zizek’s narcissistic expectation that his readers will email each other in joy when they see he has trotted out the Rumsfeld quote for the millionth time. Which is not something that actually presents itself in the text we’re supposedly reading, nor, in fact, do you read it. Its by now a cliché and was only ever a clever conference room set-piece for about 12 minutes during Operation Iraqi freedom, but it is not citing Rumsfeld as an authority in anyway, I think it both exposes the sophistry the original thought and inverts its mechanism to quite good use. Isn’t it an old Marxist canard to say that our position is already latent in capitalist ideology as that which it instinctually avoids, denies, skirts around? Speaking of which, what you seem to be skirting around is that Zizek actually has anything to say at all in the article – “So, dear reader, you might find yourself asking what the fuck does this have to do with the environment.” This may be what you ask yourself, but it seems fairly clear – the fact is that we 1) do not where and how dangerous the tipping points in ecological catastrophe are exactly and 2) the basic assumption in our society that somehow a real disaster is not going to happen, that nature is a given, is fundamentally and sadly undisturbed. Third point: when Zizek makes those sadly glib remarks about evacuating sub-Saharan Africa, you take a good opportunity to put Cuba in the frame – something criminally absent from the intellectual landscape today – yet Zizek’s whole argument does lead exactly to framing a Cuba style response to a world-scale – hardly a crime against socialism. You correctly point out that Zizek basically fantasises this whole logistical nightmare into possibility, yet this kind of scenario does bear thinking about – precisely because it does not come from a defeatist position. Zizek’s standard argument on climate-change, stated in numerous places – In Defence of Lost Causes has it as running theme – is not much different from yours, with the standard Lacanian/ Transcedental Materialist apparatus (which I find appealing, but which may be unnecessary/ in need of correction) – is that we should assume the worst future is already ‘locked in’ – climate catastrophe, and treat the present opportunities as desperate, unquestionable, effort to negate that future and make new possibilities – so he hardly can be accused of suggesting that climate change struggles are not the front line of eco-politics. Beyond this though, we do not have to say that should not consider how the disaster of an eco-crisis, which might occur due to the amount of global warming which is already guaranteed as a result of current emissions – no matter how swiftly they may fall in the future, should be dealt with. Why not take the attitude of Lenin to WWI, or even of Mao to nuclear war– we don’t want it, we’ll do everything to prevent it, but we aren’t afraid of it, and are willing to use it to our advantage.That does not come from defeatism, but from the idea that no defeat is final, that every defeat actually opens up the opportunity for a victory. Zizek’s perverse optimism “from defeat to defeat to final victory” is a good ethical stand in my view- capitalism’s victories only destabilise it more, while the defeats of the left purge us of illusions and clarify the lines of struggle (it also seems like a fairly succinct formula of actual historical victories and their unfolding). Suggesting that we can assuredly prevent disaster from happening by winning the political struggle to reduce emissions and managig to enforce basic ecological principles is actually dangerously naive – especially as climate change is actually the tip of the ecological iceberg.
    Every point you had against Zizek was valid, but they were just that, isolated points, that did engage the broad arguments or their full implications. That is achieve, as you could clearly achieve a much more incisive critique if you engaged more fully – rather than relying on the resentment of your audience for the public ego dominance of pop-intellectuals like Zizek. Okay, maybe it is shock-commodity intellectual production – but maybe the shock does actually denote something about genuine fault-lines in capitalism?
    I wholeheartedly agree with you that “the crisis of Marxism today is largely a function of people like Zizek operating in their own hermetically sealed intellectual space on one hand, and on the other hand “Marxist-Leninists” functioning like the Borg in Star Trek. You need both the collective framework and the freedom to speak your mind.” Yet the way to intervene in this crisis is not to attack one-side then the other, working out our little resentments against each in a point-scoring exercise. When you used the example of Cuba to destabilise Zizek’s “hermetically sealed intellectual space” you actually came close to a perversely Zizekian move – ‘short-circuiting’ his discourse by applying it to a concrete situation that he structurally excludes, and thereby both exposing its inadequacy and using it to get to a more determinate point. That is what I think should be done – we can actually use each of these failed and failing discourses to ‘short-circuit’ each other, because want we want is a disjunctive synthesis, a hybrid –both, yet neither: “both the collective framework and the freedom to speak your mind” yet neither ultimate equivalents of the ‘group-mind’ enclosed Marxist-Borgist nor the guru-figure of the intellectual with the great formula.

    Comment by brendan — June 17, 2010 @ 4:31 am

  12. Brendan, in the future you should divide long comments into paragraphs. It makes them easier to read.

    Comment by louisproyect — June 17, 2010 @ 3:20 pm

  13. sure thing, apologies.

    Comment by brendan — June 23, 2010 @ 4:47 am

  14. Louis, before you become too flattered perhaps you should remember that everyone loves Harpo’s antics, roots for him against the dull witted buffoon who tries to be “civilized” in those old Marxist movies.

    Comment by Douglas Lain — July 27, 2010 @ 5:01 pm

  15. i love your blog…your writing…would very much like to receive via my email…thanks ~C

    Comment by cecilia p norris — November 23, 2010 @ 9:51 pm

  16. […] and everyday cynics rejecting him in synch. Of the former category, Louis Proyect, for one, accuses Žižek of being a ‘shock jock’ and has taken issue with his misrepresentation of Lenin merely to outrage liberals. Richard Seymour […]

    Pingback by In defence of Slavoj Žižek « Necessary Agitation — January 3, 2011 @ 12:42 pm

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text:
Gosha opening things back up

Lake Butler (Fla.) Union County defensive tackle Lonnie Gosha only recently decommitted from Florida State, and he has already picked up an offer from LSU since re-opening his recruitment. The 6-fo...

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text:
Re: GEP-11: Application list for 2.4

Owen Taylor <otaylor redhat com> writes:

> You can probably ask for name/email address. You might be able
> to get away with a screen where you give the user one or
> two options for enabling AT.
> And that's about it.

Another problem these pose is that they have to be completely optional,
or _only_ affect the desktop.  If the user logs into the KDE Desktop
first and then runs a GNOME app, it has to just work (TM).  This means
that the doorman, if it exists, should just be a shortcut for setting
some preferences that have reasonable defaults, and have the ability
change them later.

[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]


text:
Re: [Evolution] Re: gtkhtml 0.7 font display

I just copied and pasted that into my Drafts mbox file (with slight
modifications - you only sent part of a multipart so I had to make it into
a non-multipart but the encoded text stayed the same) and it displayed as
it should.

So Xavier, what font are you using?

[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]


text:
Re: [Evolution] Another tedious hamfisted administrator with a silly question

The question probably has to be which nspr - according to my packages:-

chudley:~# dpkg -l | grep nsp
ii  konqueror-nspl 3.3.2-1sarge1  Netscape plugin support for Konqueror
ii  libnspr-dev    1.7.8-1sarge3  Netscape Portable Runtime library -
ii  libnspr4       1.7.8-1sarge3  Netscape Portable Runtime Library

I would appear to have the libraries - whether I have the correct ones
is another matter :-)

Lee Revell wrote:
On Wed, 2006-01-18 at 14:43 +0000, Ben Tyson-Norrman wrote:
e-msgport.c:39:18: nspr.h: No such file or directory

Is NSPR installed?

Ben Tyson-Norrman
GNUPG KEY: 82D04531

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text:
Re: Application Idea

Tesla Gwynne did reply:

> > Basically, I want a single program that can easily enable all the
> > capabilities of my voice/fax/modem.
> [snipped three very different things]
> (Well, I think they're very different.) The reason this wonder-program
> doesn't exist is probably due to the unix philosopy of lots of little
> programs which each do one thing, well.

That's fine and dandy.  How about a graphical wrapper for those programs
that enable all the functions of a voice/fax/modem?  Basically, I've
noticed that almost every computer these days has these fancy modems and
no one is using them to their full potential.  Part of that problem must
be related to ease of setup.

> This is a very different approach from what I understand of Windows
> applications, which tend to be one single giant app.

> I'm not saying either is better. I personally prefer the "lots of little
> programs" because I can get inventive about which program I pipe the
> results of then where I please, and I have the time to waste learning
> such things. Other people find the convenience of one overall program
> simpler.
> But that's probably why your hoped-for program doesn't exist :) I can
> think of various apps that concern themselves with parts of what you're
> talking about, but none which do the lot.

If all these <DrEvil>mini</DrEvil> programs exist, it should be an easier
task to tie them all together in a general modem tool - a program that
controls anything modem related - be it setting up a dial-in ppp
connection to your ISP to recieving data calls to faxes to voicemail.  To
the desktop user, it appears to be one big program, but in reality, it is
a complex frontend for a multiple number of smaller programs.

R Jason Valentine			..ooOO miracle@procyon.com

University of South Alabama, College of Medicine, Class of 2001
Alumni, Auburn University

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text:
Conor McBride conor at cs.rhul.ac.uk
Tue Nov 23 05:25:27 EST 2004

Keean Schupke wrote:
> Can a C function be pure? I guess it can... The trouble is you cannot
> proove its
> pure?

A C function might have no observable side effects, even if it operates
destructively over its own private data structures. It mightn't be too
hard to establish a sound test for this sort of purity (the one we have
already is sound; it always says no; some improvement may be possible).
Clearly completeness is too much to hope for.

> But - why would you want to use a pure C function. The chances of any
> useful C library function being pure are slim - and the performance of
 > GHC in some of the benchmarks shows that there is hardly any speed
 > advantage (for a pure function)...

What about the other benchmarks? There are plenty of operations where
programmers can do a neater job than compilers at deciding that a given
data structure is known only to one consumer and can therefore be
manipulated destructively, recycled aggressively etc. I know modern
recycling is marvellous, but reduced consumption is better, isn't it?

The C functions I'm thinking of are the output from Hofmann &co's
LFPL compiler: pure *linear* functional programs which run in the heap
they were born with. There are potential speed gains too: the knowledge
that you don't need to keep the original input means that you can
operate deep inside it in constant time, at the cost of maintaining
some extra pointers. (Does anybody know of a linear type system which
allows this? Basically, a list xs contains a pointer to its tail, so
holding a tail-pointer for xs would be a duplicate reference: problem.
But perhaps it's ok for the holder of xs also to hold its tail-pointer.)
This stuff isn't really my thing, but I'm an interested spectator.

These programs aren't funny interactive hard-drive-formatting things,
so they're probably irrelevant to this particular argument. Nonetheless,
they're hard to write efficiently in functional programming languages as
we know them. They're hard to write safely in C, but sometimes we just
get fed up with knowing useful stuff that we can't tell the compiler.

Is uniqueness worth a second look?

http://www.cs.rhul.ac.uk/~conor                      for one more week

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text:
[Haskell-cafe] library to read/write audio files

Don Stewart dons at galois.com
Fri Jan 18 19:50:24 EST 2008

> > I originally intended to use Erik de Castro Lopo's excellent
> > libsndfile
> Thank you.
> > This library is far from complete.  Firstly, only the wave format is
> > implemented (and incompletely).
> I really do ask you to reconsider this. Even just parsing the WAVE
> file format is a *HUGE* undertaking if you intend to support
> everything that is actually in the specs as well as handle all the
> horribly broken WAVE files produced by many commercial products.
> Cheers,
> Erik

I agree with Erik. It makes more sense to bind to a recognised
library, so that the developer effort isn't wasted duplicating
complex functionality.

Unless there's a serious robustness/safety/functionality argument to be
made for doing it purely in Haskell, just write a binding instead, and
move on to problems we can better apply Haskell's strengths to.

-- Don

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text:
[Distutils] pyz VS zip

James C. Ahlstrom jim@interet.com
Tue, 10 Aug 1999 15:20:30 -0400

> Darrell wrote:

> Has anyone tried to work with zips from python ?

We don't use compression within Python, although we
like the idea of a .pyl Python library file.  The
reason is we use a commercial installer (Wise) to
distribute programs, and it supplies compression

Jim Ahlstrom


text:
[Distutils] People want CPAN

Tarek Ziadé ziade.tarek at gmail.com
Sun Nov 15 23:22:48 CET 2009

On Sun, Nov 15, 2009 at 10:33 PM, Greg Ewing
<greg.ewing at canterbury.ac.nz> wrote:
> Tarek Ziadé wrote:
>> But the result is similar, and explicit imports should work too, so
>> maybe registeries
>> are just sugar on the top of something we first need to make work.
> It's completely unnecessary sugar, if you ask me.
> I don't see what's bad about importing functionality
> you want to use.
> Where and how do you intend the registration to happen,
> anyway? Would it be done by the setup.py script? In
> that case I don't see how it saves you anything, since
> you would have to first import the thing you want to
> register anyway.
> Or are you envisaging that Pyrex or whatever tool is
> involved would somehow patch itself into distutils
> when you install it? I don't like that idea much,
> since it smacks of the kind of monkeypatching that
> setuptools is reviled for.

Patching ?

No, I was thinking about a basic plugin registery, exactly like what we
have *now* for commands with distutils.cfg, which is a simple configparser
file where you can point packages that contains commands, so they are loaded
when Distutils is run. (that's the "command-packages" option)

So, using the same technique, we can explicitely list in such .cfg
what are the compilers and where they are:

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text:
[IronPython] IronPython / DLR Direction

Lukas Cenovsky cenovsky at bakalari.cz
Sat Aug 7 18:27:35 CEST 2010

  Very disappointing news... I only hope it won't happen to IronPython
as I am working on business app in it.

By the way - this is good post about the situation:

-- Lukas

On 7.8.2010 17:42, David Seruyange wrote:
> Just woke up and caught wind of a post that the IronRuby project is
> not being continued under the auspices of Microsoft (see:
> http://blog.jimmy.schementi.com/2010/08/start-spreading-news-future-of-jimmy.html).
> Is the same true of IronPython and are they disbanding the Microsoft
> team?
> David
> _______________________________________________
> Users mailing list
> Users at lists.ironpython.com
> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com

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text:
[Python-Dev] Close PEP 211? (was Re: Infix operators)

Greg Ewing greg.ewing at canterbury.ac.nz
Thu Jul 24 05:26:23 CEST 2008

Terry Reedy wrote:

> Given that itertools.product(A,B) == ((x,y) for x in A for y in B)
> == the proposed 'A @ B' and given Guido's pronounced distaste for new
> infix, should this be closed?

Would there likely be any support for an alternative
PEP defining @ as matrix multiplication in both Python
and numpy?

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text:
[Python-ideas] Yield-From Example 2: Scheduler

Guido van Rossum guido at python.org
Fri Feb 20 02:47:03 CET 2009

On Thu, Feb 19, 2009 at 5:33 PM, Adam Olsen <rhamph at gmail.com> wrote:
> On Thu, Feb 19, 2009 at 6:04 PM, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
>> So there perhaps isn't a very strong case for using 'yield
>> from' in a scheduler setting. However it still illustrates
>> the utility of being able to return a value from a generator,
>> since otherwise you would either have to explicitly raise
>> the StopIteration or resort to some convention such as
>> yield Call(g)/yield Return(x).
> If you can propose semantics for return that don't risk silently
> eating values then I'll at least gives -0.  Until then I'm -1.

Can you explain why you feel so strongly about this? As has been
pointed out, returned values are routinely ignored in Python, it is
not an error.

>> In a wider setting, I still think there is benefit in
>> being able to abstract out pieces of generator code
>> without needing to have a special driver.
> Microthreads need the special driver anyway, to handle all the other
> kinds of resources.

I consider "yield from A" *primarily* a shorthand with (optimization
potential) for the oft-repeated clause

for x in A:
  yield x

Given that this is a useful thing to have anyways, we might as well
give it subtle extra semantics for pass-through and returning values.
After all that is what .send(), .throw() and .close() already do for
generators: most generators don't use these, but they allow certan
advanced things to be built out of generators with more ease and

--Guido van Rossum (home page: http://www.python.org/~guido/)

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text:
This math scares me

Greg Ewing greg at
Tue Mar 20 02:57:51 CET 2001

Terry Reedy wrote:
> BCD does not eliminate the problems of finite precision arithmetic.

No, but it lets you see exactly what's going on
in terms that most people are familiar with. It
eliminates any *extra* surprises due to conversion
between bases.

Greg Ewing, Computer Science Dept, University of Canterbury,
Christchurch, New Zealand
To get my email address, please visit my web page:

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text:
running non-python progs from python

Fredrik Lundh fredrik at
Thu Dec 11 07:14:47 CET 2003

"Spiffy" wrote:

> Meanwhile, Fredo has provided a nice answer that WORKS...
> along with an explanation of why my code didn't work.

for the benefit of others, maybe you could tell us why
your code didn't work?

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text:
while (assignment):

Sybren Stuvel sybrenUSE at YOURthirdtower.imagination.com
Wed Jul 30 08:41:19 CEST 2003

Peter Abel enlightened us with:
> The following should work:
> info = mydbcursor.fetchone()
> while info:
>   print "Information: "+str(info)
>   info = mydbcursor.fetchone()

I don't really like the double info assignment, but I've thought it
over a bit, and I like this better than the

while True
	info = mydbcursor.fetchone()
	if not info:

construction. In the upper solution the "while info" makes the loop
condition very clear. The lower solution is less clear in that, but
doesn't have the double assignment.

The problem with the world is stupidity. Not saying there should be a
capital punishment for stupidity, but why don't we just take the
safety labels off of everything and let the problem solve itself?

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text:
Stuck with metaclass

Bengt Richter bokr at
Sat Nov 22 19:46:48 CET 2003

On Sat, 22 Nov 2003 18:50:24 +0100, Fernando Rodriguez <frr at> wrote:

>I have a class Preconditions that has a metaclass (MetaChecker), but I guess I
>somehow screwed things up with the metaclass definition...
>When I create an instance of Preconditions, I get the doc string instead! =:-O
>If I remove the metaclass statemente, everythign works fine.
>Any help would be greatly appreciated. O:-)
>here's my code:
Two suggestions:
For for a more generally useful return value

>    args = inspect.getargspec(fn)[0]
     return len(args) == n

and to fix the misleading symptom you observed
>        return type.__new__(cls, name, bases, attribs)
         return type.__new__(cls, clsname, bases, attribs)

(No guarantee that's the end of it ;-)

Bengt Richter

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