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One programmer's unit test is another's integration test

The question of what units you are working with is one that will at one time or other have plagued anyone who studied a science or a branch of physical engineering. Teachers go to great lengths to make sure students remember to specify their units. It is not enough to say that the answer is 42. Forty-two what? 42 metres? 42 electronvolts? 42 furlongs per fortnight? Without a clear understanding of what units are involved, certain results and claims can be meaningless, misleading or simply expensive.

Access (K)ubuntu console with a single key

Yakuake is a Quake-style terminal emulator based on KDE Konsole technology which makes the console more user friendly. If you need the ability to quickly pull down a console to run a few commands with a keystroke, and then make the console disappear again with another quick keystroke. YaKuake is exactly what you are looking for.

Scripting for Subversion Part 1

Not exactly the clearest of titles... recently I had to setup and configure several subvesion servers that use webdav for authentication. Setting up the authentication and repositories for a single repository is pretty straightforward. If many repositories need to be created and maintained that are completely seperate, then a script (or set of scripts) definitely makes life easier. In the text below, just such a scenario cropped up and my first pass at working a script.

Linux: Documenting Memory Hotplug

Yasunori Goto posted some documentation for memory hotplugging which can be used to increase or decrease the amount of memory available to a live kernel. The documentation explains that this functionality is useful for virtualization and capacity on demand solutions, as well as for physically adding and removing RAM from NUMA-nodes. The document itself, "is about memory hotplug including how-to-use and current status. Because Memory Hotplug is still under development, contents of this text will be changed often."

Cries for help go out as open source mogul's radar breaks

How appropriate that we caught Chairman Tim O'Reilly ogling Portland's tram schedule just a few minutes before the Pirate Party's founder Rickard Falkvinge took the stage at O'Reilly's own conference. Chairman Tim plotted his escape from OSCON, as Falkvinge prepared to talk to the people about things that matter. O'Reilly seemed to miss the crucial issues of the day at every turn, during OSCON.

Don't overlook efficient C/C++ command line processing

This article provides a reference for a good discussion on how to use gperf for effective command-line processing in your C/C++ code.

Thunderbird must go says Mozilla CEO

Mozilla CEO Mitchell Baker has admitted that Thunderbird is to be booted out of the Mozilla camp in order to allow “the Thunderbird community to determine its own destiny” apparently. Put through my patented BS translator this produced “Thunderbird brings us no revenue, gets a bad press whether compared to Outlook or Gmail, and anyway Firefox is our future.”

Red Hat High 2007: After Graduation Day, What Next?

It’s been almost two weeks since Graduation Day. The kids produced great work. The parents and instructors were all terribly proud. Everybody went home and got plenty of sleep. Now that the buzz has just about worn off, it’s time to reflect on what we accomplished, and what exactly we should do next.

Software Freedom Day: Taking open source to the streets

Thousands of open source advocates and enthusiasts from around the world are expected to take the message of free and open source software to the streets on September 15 for the fourth annual Software Freedom Day.

Sample sections available for new GIMP book

Those wanting to perform serious graphics tasks on their Linux desktops may benefit from a new book by Michael J. Hammel's, coming soon from No Starch Press. The Artist's Guide To GIMP Effects is a four-color tome said to "harness all of the GIMP's powerful features."

People Behind KDE: Jos Poortvliet

For the next interview in the People Behind KDE series, we travel to the Netherlands to meet a KDE promoter and meeting organiser, someone who helps the international community to experience KDE events, even if they were not in attendance - tonight's star of People Behind KDE is Jos Poortvliet.

Oracle's got a giant Red Hat fork coming, says spaceman

Oracle's assault on Linux looks to take the shape of a fork in the near future, according to Canonical founder and Ubuntu chief Mark Shuttleworth. "They must be on track to fork soon," he told us, during an interview here at OSCON. "They are hiring too many people just to deliver patches. My assumption is that they are on track to fork and build their own distribution."

Report: Indiana's Calling, Is Anyone Listening?

Telling the story of Project Indiana is not an easy one. Headlines like "Sun hopes for Linux-like Solaris" or "Sun OpenSolaris to become more 'Linux-like'" have published, accompanying similarly themed articles. The problem is, this assertion is not quite on the mark. LinuxPlanet talked with several members of Sun's OpenSolaris team to discern just what the deal is.

How to set up surround 5.1 audio in Linux with Alsa

The main problem I had with the sound setup in linux was getting it to work so that i can use all my speakers. After a few hours of searching the web and trial and error I finally figured out how to do it. I have put together this tutorial hoping to help other people in a similar situation.

Linux: Linus On CFS vs SD

"People who think SD was 'perfect' were simply ignoring reality," Linus Torvalds began in a succinct explanation as to why he chose the CFS scheduler written by Ingo Molnar instead of the SD scheduler written by Con Kolivas. He continued, "sadly, that seemed to include Con too, which was one of the main reasons that I never [entertained] the notion of merging SD for very long at all: Con ended up arguing against people who reported problems, rather than trying to work with them."

Open source Thunderbird e-mail client looks for new nest

  • DesktopLinux.com; By Steven J. Vaughan Nichols (Posted by Scott_Ruecker on Jul 28, 2007 8:24 AM EDT)
  • Story Type: News Story
It's no secret that Mozilla Corp., the company behind Firefox, Thunderbird, Sunbird, and other open-source Internet programs, has made Firefox its No. 1 priority. Mozilla CEO Mitchell Baker is now admitting that the popular email client Thunderbird has taken second place, and she's now looking beyond Mozilla to find another way to advance the program.

Develop Web apps with Wicket and Geronimo

In this tutorial, learn how to set up your system to develop a simple Web application with Wicket, using Apache Geronimo as your application server and Apache Derby as the embedded database.

Web 2.0 Starter Toolkit for DB2

  • IBM/alphaWorks (Posted by IdaAshley on Jul 28, 2007 6:39 AM EDT)
  • Story Type: Tutorial; Groups: IBM
Aside from having to download a Web server and modules, users starting with PHP struggle with getting code enabled for mash-ups, Ajax applications, and Web feeds. Web 2.0 Starter Toolkit for IBM DB2 is a conveniently packaged set of products and technologies that enable the quick creation of DB2 Web services and feeds using PHP technology.

Sun Plug-in Brings ODF Support to Microsoft Office

Sun Microsystems' ODF Plug-in for Microsoft Office won't usher in an era of universal document interoperability, but eWEEK Labs believes it is the best option currently available for adding Open Document Format support to Office's massive installed base. The plug-in, which Sun debuted on July 4 in the form of a freely downloadable 30MB installation package, enables users to read, edit and save ODF-formatted word processor, spreadsheet, and presentation documents using the 2000, XP, and 2003 versions of Microsoft Office.

Linux: Suspend and Hibernation Status Report

Rafael Wysocki posted a lengthy status report "describing the current state of development of the suspend and hibernation infrastructure: how it works, what known problems there are in it and what the future development plans are". Regarding future plans, Rafael noted, "the part of the suspend and hibernation code that should be taken care of first is the handling of devices. Namely, I think that we should first separate the hibernation-related handling of devices from the suspend-related handling of them in order to overcome limitations mentioned in Section IX. This also will be necessary if we want to try some new approaches to hibernation, such as the kexec-based one recently discussed on the LKML." He added, "the next thing that seems reasonable to do is to eliminate the freezing of tasks, described in Section VI, from the suspend and resume code, since the limitations related to it are regarded by many people as too restrictive."

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