Apr
29
2012
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Is bug-free software possible?

software-bugsUntil the mid 1980s, the prevailing expectation was that computer software would be bug-free. After the release of Windows 1.0, people started saying that you couldn’t expect complex software to be bug-free. That attitude incensed me. Software can be as robust and bug-free as people want it to be.The biggest cause of bugs in computer [more...]

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Nov
21
2010
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How Do I Invest in Cloud Computing?

cloud computing SaaS investments salesforce netsuiteWhat, I ask you, could be more alluring than investing in cloud computing? Who wouldn’t want to own a piece of a lovely, white, fluffy cumulus that’s been harnessed to a computer to…wait a minute!…exactly how do you get a cloud to do your computing? Actually, cloud computing is a catchy phrase for what is sometimes [more...]

May
07
2009
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What is version control software?

Photo by acme - CC-BYVersion control software (VCS, also known as revision control software, RCM, and software configuration management software, SCM) is a tool used during software development to help track and control the process of making changes to the programming code and other files associated with the application. A software application consists of files of program code plus [more...]

Feb
16
2009
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What is fractal art?

Small portion of Mandelbrot setFractal art is art by formula — literally. The dictionary definition of a fractal (short for fractional dimension) is a geometrical shape that is repeated at ever smaller intervals, so that even small portions of it are similar in appearance to the whole. Although there are naturally appearing fractals (for example, a map of a [more...]

Feb
11
2009
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What is free software?

Tux the Linux mascot in ParisJust as the English word “free” can mean “costing no money” or “liberated,” so can the phrase “free software” refer to two separate categories of software. In popular usage, “free software” refers to any software that you can download without charge. Some of it is commercial software, made by companies that hope to recoup the [more...]

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Feb
04
2009
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What technologies does Quezi use?

Technologies then and now (image by iLoveButter - CC-BY)The tools and technolgies used at Quezi are primarily open source software products. The web pages are delivered by the Apache webserver, running on Fedora Linux. The content is generated from a MySQL database using the PHP hypertext processor. The site usually validates as XHTML and is styled with CSS. We use Trac bugtracking, Subversion [more...]

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