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05 Dec 09

テクノ手芸ブログ

www.techno-shugei.com/...archive-apr-2009.html - Preview

21 Oct 09

Exploding Software-Engineering Myths - Microsoft Research

74.125.77.132/search - Preview

But we also studied other existing assumptions in software engineering. They can be good or bad, because people make decisions based on these assumptions.
Nagappan and his colleagues saw was that, contrary to what is taught in academia, higher code coverage was not the best measure of post-release failures in the field.
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- “Furthermore,” Nagappan says, “when we shared the findings with developers, no one seemed surprised. They said that the development community has known this for years.
- usage and complexity
- After looking closely at code coverage, Nagappan now can state that, given constraints, it is more beneficial to achieve higher code coverage of more complex code than to test less complex code at an equivalent level. Those are the kinds of tradeoffs that development managers need to keep in mind
- What the research team found was that the TDD teams produced code that was 60 to 90 percent better in terms of defect density than non-TDD teams. They also discovered that TDD teams took longer to complete their projects—15 to 35 percent longer.
- The team observed a definite negative correlation: more assertions and code verifications means fewer bugs. Looking behind the straight statistical evidence, they also found a contextual variable: experience.
- The Mythical Man Month is most famous for describing how communication overhead increases with the number of programmers on a project, but it also cites Conway’s Law, paraphrased as, “If there are N product groups, the result will be a software system that to a large degree contains N versions or N components.” In other words, the system will resemble the organization building the system.
- The Influence of Organizational Structure on Software Quality: An Empirical Case Study, by Nagappan, Brendan Murphy of Microsoft Research Cambridge, and Victor R. Basili of the University of Maryland, presents startling results: Organizational metrics, which are not related to the code, can predict software failure-proneness with a precision and recall of 85 percent. This is a significantly higher precision than traditional metrics such as churn, complexity, or coverage that have been used until now to predict failure-proneness. This was probably the most surprising outcome of all the studies.
- but these factors were at least 8 percent better in terms of precision and recall than the closest factor we got from the code measures
- Geographical Distance Doesn’t Matter
- arch India, asking engineers who they would talk to if they ran into problems. Most people preferred to talk to someone from their own organization 4,000 miles away rather than someone only five doors down the hall but from a different organization. Organizational cohesiveness played a bigger role than geographical distance.

15 Oct 09

Wolfram|Alpha Blog : The Wolfram|Alpha API Has Arrived!

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augmenting web and meta-web search with computed knowledge
enriching online journalism with interactive content
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- Let’s see what fresh and ingenuous ways we can apply computational knowledge and change the world

14 Oct 09

What are the dangers of the H1N1 Swine Flu vaccine, compared to the Seasonal Flu Shot?

www.examiner.com/pared-to-the-Seasonal-Flu-Shot - Preview

Thus, according to officials, there is no reason to hesitate to

Is Letterman Hurting Anyone? - The Moral of the Story Blog - NYTimes.com

ethicist.blogs.nytimes.com/...who-is-letterman-hurting - Preview

the concept of consent gets fuzzy when there are gross imbalances of power
The nicest gift I ever got from a network was a jacket with the show’s name on the back.

13 Oct 09

Google Advanced Search

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ruby 1.9 rails mysql production ready

SSRN-Americans Reject Tailored Advertising and Three Activities that Enable It by Joseph Turow, Jennifer King, Chris Hoofnagle, Amy Bleakley, Michael Hennessy

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Americans Reject Tailored Advertising and Three Activities that Enable It

11 Oct 09

New Spyware Villains: Your Friendly Neighborhood Sears and Kmart | Technomix | Fast Company

www.fastcompany.com/...y-neighborhood-sears-and-kmart - Preview

The FTC's approved a final consent order to force the Sears Holding Management Company to destroy the data it's collected on users who were impacted by the spyware, and to kill the collection of any more data that's still streaming in from consumer's computers. The scope of that data is quite mind-boggling: It's everything the users did on the Web. Yep, everything, including secure interactions, which would, as the FTC has noted, give Sears access to what Internet shopping you did, your bank details, and basic information concerning any Web-based emailing you did.

06 Oct 09

Microsoft “Pink” phones revealed… to be unbelievably generic-looking

www.mobilecrunch.com/...e-unbelievably-generic-looking - Preview

microsoft phone fail

most underwhelming

02 Oct 09

Politwatch

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Bandion-Ortner versteht die Kritik nicht.

Change.gov and the Contradiction of the Postmodern Left Netroots | The Next Right

www.thenextright.com/...f-the-postmodern-left-netroots - Preview

The design of Change.gov is important for one reason. Barack Obama ran on a campaign of fundamentally changing the way Washington works, and to some extent, the innovative aspects of his campaign were sold as glimpses of a new, people-powered government under an Obama administration. If we take Change.gov as the government website of the future, we can look forward to plenty of feedback forms but not much more. We'll see how this works out over the long run, but I think it will prove more difficult than expected to carry the campaign model over to government operations.

23 Sep 09

YouTube - Intel Employees in Germany - Sponsors of Tomorrow

Employees at Intel Munich find their inner rock star & usher in the future with Sponsors of Tomorrow

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Google

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18 Sep 09

Normal mode - Wikipedia, the free encyclopedia

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07 Sep 09

KentBye.com

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About me

Kent Bye is a filmmaker, web developer, and spiritual tech geek.

04 Sep 09

U.S. says largest-ever identity theft scheme busted - Aug. 17, 2009

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130 million credit and debit card numbers said to be stolen in five alleged corporate data breaches. Three men indicted.

03 Sep 09

Tupi oil field - Wikipedia, the free encyclopedia

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The upper estimate of 8 billion barrels of recoverable oil would be enough to meet the total global demand for crude oil for about three months at the current (2008) global extraction rate of around 85 million barrels per day.

The dark side of social networking - Lansner on Real Estate - OCRegister.com

lansner.freedomblogging.com/...35001 - Preview

Recent research shows that 5 percent of users have had a negative experience with publicly revealing their position, and almost half of those incidents were dangerous.

27 Aug 09