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 Scary, huh? On a side note, hello Planet, this is my first post that will actually get syndacated. I excuse for giving you updates on what I work on just now, though I’m really dumb about RSS feeds, so credits to Riddell for 1) adding me to the planet 2) showing me how to filter RSS by categories : Anyway, some of you might know what PowerDevil is, some might not; well, for you who fear this is yet another attempt of threatening your lives, PowerDevil is a power manager for KDE4, and it won’t kill you. Credits to sandsmark for this beautiful name  Being serious for a moment, PowerDevil takes a pretty different approach than all other KDE-based powermanagers until now. PowerDevil is lightweight, and I mean for real, and it’s fully integrated in your KDE Desktop. This is because PowerDevil it’s not the usual application you see in the tray, but just a KDED module, aka a daemon. Right, everything happens in background and you don’t have to care. And, ...read more...
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| When importing a Subversion repository into Git with git-svn, if you want Git to use the commit author's name and E-mail instead of Subversion username you are required to create a file (Called the "authors file" in the git-svn manual) with the author's details. This is all good for the most part, except you are required to enter details for everyone that has made a commit and for a large public project that can be quite a few people. To make matters worse Subversion doesn't store that information itself, so you are required to find it elsewhere. Luckily Git provides some services that allow you to change commits in a live repository fairly easily. Below is a small script I wrote that allows you to change only the details of a few select commit authors from a Subversion import, leaving all others as their old usernames. The file that stores the author details is compatible with the git-svn authors file. Warning: Running this script on a public repository will cause it to become incompatible ...read more...
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| By Federico Kereki on September 11, 2008 Share Comments Loosely speaking, in software terms, a wrapper is something that provides an alternate interface to another object.
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 My wife bought me a PS3 as an early Christmas present (and so I could possibly bring it on the boat for the next underway). So far though the experience has been underwhelming. The on screen keyboard is annoying to use, even accounting for the fact that it uses a controller. It at least uses the normal QWERTY layout instead of just putting the letters in order but you have to select that mode manually, otherwise it gives you 10 digits as if I was trying to send a text message to someone. What’s next, limiting games to 320×240 resolution because people have PSPs and DS? I don’t see why they intentionally limit the number of input buttons just because that’s what people have to deal with on a cell phone. Eventually I got the internet access to work, at which time it needed an update. After about seriously 20 minutes of downloading over a cable modem it finally was able to start the 5 minute process of actually ...read more...
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| Canonical, the leading backer of the Ubuntu version of Linux, is hiring a team to help make open-source software on the desktop more appealing and easier to use.
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whee! it’s been a bit more than a week, but yesterday i handed in my first assignments. far too much of my time this week was spent on those. iirc i did math all weekend :P and now i have new assignments, oh joy! somewhere i have a list of thoughts about the n810 that i’ve been meaning to blog. let’s see how long it takes me to get around to that. i don’t like how little computer time i’ve been getting; school is too darn busy. anyways, good news: first, my group for cmpt 275 seems prettty awesome. not a lot of experience, but lots of enthusiasm, everyone seems smart and has their own strengths. :) second, my laptop may arrive tomorrow :D yay! i’ve burnt an archlinux cd, and started learning how to install it… that should be fun. :) third, i managed to repair my backup and got some files off it. yayy! i have my calendar back at the very least… basket files are there but i haven’t got basket installed… i think some ...read more...
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| KDE.News congratulates the CERN LHC project on its first day of operation. " Today was Big Bang Day at CERN as the world's largest science experiment was turned on.
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So, after receiving my new laptop and reading Ruud’s Blog post (seems like planetkde somehow lost it, anybody knows what happened?) I’ve decided to install only KDE4 on it. Partly because I won’t use the linux installation that much and partly because its new hardware thats capable of using all the new bling - yes I like bling sometimes. As always building trunk was no problem at all - thanks to kdesvn-build. Most of the time was spent to find the needed/optional dependencies and install them. Altogether it seems KDE4 is going its way, there have certainly been quite some improvements, despite all the nay-sayers. OTOH I’m still missing the kde3-way of switching windows with kwin, particularly the border around the window thats selected in the list. I doubt I’ll have the time to that myself. Also I just noticed that konsole doesn’t have any menu accelerators and one can’t activate the menu via alt (going to file a bugreport later). I also think it has far too many shortcuts set by ...read more...
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| SUSE 's 10.0 release announcmeent has barely hit all four corners of the globe, but development for 10.1 is already underway, and alpha 1 is now available .
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Towards the end of the week, the pace of a sprint slows down. I spent some time chewing on race conditions -- it's really nice to have some sharp analytical minds from KDAB available then, but even they are dulled after sunshine and beer -- and finally spotted the actual problem: using the wrong database table entirely. Dull like a wax spoon, that is.
Anyway, progress has been really good. For some things that Paul has been blogging about like the Mean Developer Engagement we're over the first hurdles (parallelism, synchronization, database structure) and now working on implementing this in Alitheia. That means that we'll be able to get fully automated green blob diagrams and MDE graphs, for instance. That might make them more boring, but at the same time you may be able to track the activity of a project and notice disruptions in the personal involvement of people more easily.
Tomorrow's plan is "sit in a meeting all day" but I really hope to still get some more hacking in. Adjusting a ...read more...
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| The remote host is missing the patch for the advisory FEDORA-2008-7739 . Amarok is a multimedia player with: - fresh playlist concept, very fast to use, with drag and drop - plays all formats supported by the ...
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 It’s taken me the better part of a month to get home, settle in and upload my photos from Akademy to the cloud. Granted, I don’t have many photos since there were enough paparazzi at the event *glares at Bart and Sebas*.  The Grote Markt in Mechelen (HDR). The HDR which I’ve posted here proves that you can indeed create impressive shots only using free software, as long as you have a little perseverance and know how. Maybe Uga’s blogs will get there eventually :). The rest of the images are on flickr.
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Some people fall in love and find QuickSand
(Coming soon. :) )
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| So the recent Hurricane Hanna that passed by forced our ship to get underway last week and I got to spend almost a week deployed. Yay. I’m back for now but we’ve been super-busy since then trying to make up for lost time. I managed to find time to go ahead and move the asciiquarium screensaver into kdeartwork, which should be a part of KDE 4.2. KDE trunk is looking better and better with each passing day which is nice. I’m tempted to run out and buy an ATI card at this point if only for the better hardware support in Linux. It seems that everytime I build a computer I inadvertently pick the worst-supported graphics card somehow. :-/ Anyways, I’m too tired to remember what else I was going to post so I’m just going to go to bed. :P
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| CVS is a tool to record, manage and distribute different versions of files. In other words, CVS is a version control system.
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| Today I have been travelling back to the UK from Milan. I'll blog about the better aspects of the conference tomorrow. Meanwhile... Thanks to everyone who left comments on my last blog bost or dropped me an email. I have now responded to everyone (I hope) via the blog or email. Rather than email you all individually, if you want the fullsize version of the graph, you can fetch it here.. Enjoy.
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A couple of weeks ago, I merged the development branch for XSL-T into our main line, heading for Qt 4.5. The idea is that Qt will carry an XSL-T 2.0 implementation with as usual being cross-platform, having solid documentation, and easy of use. Using it is should straightforward. Either on the command line: xmlpatterns yourStylesheet.xsl yourInputDocument -param myParam=myValue Or using the C++ API[1]: QXmlQuery myQuery(QXmlQuery::XSLT20);
myQuery.bindVariable(\"myParam\", QVariant(\"myValue\");
myQuery.setQuery(\"http://example.com/myStylesheet.xsl\");
QFile out(\"outFile.xml\");
out.open(QIODevice::WriteOnly);
myQuery.evaluateTo(&out); See the documentation for the QXmlQuery class on the overloads available for setQuery() and evaluateTo(), for instance. However, due to the beast XSL-T 2.0 is — I agree that it’s larger than XQuery — we’ve decided to do this according to the “release early release often” approach. The first, in Qt 4.5, will carry a subset, and subsequently be complemented in Qt 4.6. The current status is documented in the main page for the QtXmlPatterns module, which can be viewed in the documentation snapshot. Therefore, while the current implementation probably falls short on more ...read more...
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| CVS is a tool to record, manage and distribute different versions of files. In other words, CVS is a version control system.
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 Zonker has posted on openSUSE News and his own blog our decision that openSUSE 11.1 will be the last release to include the KDE 3.5 desktop. This is a compromise how to handle the KDE4 transition after long discussions with many users. Beyond, openSUSE 11.2 will contain only one KDE desktop - likely version 4.3.
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| Until now I've always been using my own built Qt packages when building KDE packages for maemo.
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| Until now I've always been using my own built Qt packages when building KDE packages for maemo. Initially because the Qt packages in extras-devel where missing some vital parts for KDE (mainly SSL support I think) but after that because I just had them installed, and it worked. But now I wanted to change this, and use the extras-devel provided Qt, as in theory that shouldn't matter, after all they are build from the same sources, with nearly identical configuration. As it turned out, this was actually quite a bit harder than I thought it would be. As turns out, the current Qt packages are built with vfp support (which is a good thing, as it should make floating point computations quite a bit faster), but the default qemu version being used in scratchbox does not support vfp. Fortunately scratchbox also includes a newer 'cvs-m' version of qemu, that does support vfp, so I though I'd just use that instead. However that provided another unpleasant surprise, namely cmake doesn't work (correctly) in that version of qemu. I'm ...read more...
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| So earlier I blogged about Gregorio's work. Here I thought I'd take a minute to present something similar that I do.... How can we measure how close-knit a community is? Graph theory can provide us with some interesting approaches. By analysing logs we can see who commits to what parts of the repository. Let's represent those people as nodes in a graph. If two people commit to the same artefact we shall draw an edge between them. Every time the same two people commit to a shared artefact we increase the weight of their shared edge by 1. Once you have the complete graph you can do all manner of analysis; this I shall stash for another day. Anyhow, I have produced just such a graph for Amarok. And here it is (in this graph, the higher the weight, the shorter the edge): 
Closeness Graph For Amarok Markey and a few others are so close to the middle that you cannot see them for the "black". There are ways of ...read more...
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| I have released second beta of Adept a few hours ago. For the unaware, Adept is an APT front-end for KDE: it lets you install, remove, upgrade software and such your Debian and Kubuntu boxes (and maybe on some other Debian derivatives, too). Changes since Alpha 6 Now, alpha 6 has been the last alpha release, therefore there are no more new features in beta 2. Most of the issues should have been resolved. I have also added a menubar, resolving a potential usability problem (and making the about box accessible, too!). There will be another beta that should fix the few remaining known issues. Please report any issues you have encountered to me (either mail, irc or bugs.kde.org). Where to get I have prepared binary packages. These should be now part of Debian Sid (unstable) and also of Kubuntu Intrepid. You should be able to get the new version from your distribution: apt-get install adept
There is no Hardy backport, since my time is tight. If anyone is willing to do a backport (you ...read more...
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The second day of the SQO-OSS is just starting. It's cool inside, hot outside and pretty darn quiet except for the quiet rattle of keys. You can tell who's typing by the different sound of Giorgos's MacBook keys versus my ThinkPad, for instance. Work proceeds apace, as we move towards a 0.9 release of the SQO-OSS platform Alitheia. When we've got that, we will have some novel metrics being applied to hundreds of Free Software projects. I've got "Make Krazy / the EBN push results into the Alitheia DB" on my list, so that we can use the Alitheia interface to query and graph EBN results. However, the Alitheia stuff does not drill down as far or as specifically as the EBN tools do, so it won't aggregate results like "these files in KDE PIM have bad copyright headers." That's a different project, outside the scope of SQO-OSS.
So it's quiet, and there's five of us hacking away; you might ask what the benefit of doing this all in one room is and why we can't all ...read more...
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| So, yesterday's crop of papers in Milan did not disappoint. I was particularly impressed with Gregorio Roble's presentation on network modelling of Free Software communities... You've got to love graph theory for terminology such as "weighted betweenness." My presentation slides from yesterday can be found here. Today I plan to see the following: - "Analysis of Coordination between Developers and Users in the Apache Community", Yasutaka Kamei, Shinsuke Matsumoto, Hirotaka Maeshima, Yoji Onishi, Masao Ohira and Ken-ichi Matsumoto
- "Channeling Firefox Developers: Mom and Dad Aren't Happy Yet", Jean-Michel Dalle, Matthijs den Besten and H
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| September 09, 2008 - 19 minutes ago Share Comments A blogger on KDEdevelopers.org has ported the KDE-based KOffice office suite to the Maemo distribution used with Nokia's Internet Tablets, such as the Nokia ...
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I have never really written about my Google Summer of Code project, but now that I got the first really cool and visible feature in, I can't wait anymore.
As you might know Marble is not only a Qt/KDE application but also a widget that you can use in your application to provide the user with geographical data.
You can simply generate a KML document with QDomDocument and then use the addPlaceMarkData to load this file into the widget. You can check the implementation of digikam which has been the first application using this.
This part is not new, it was possible to load and display Placemarks (simple Points which contain a name and a location) before. But in my Summer of Code I reworked the KML parsing so that any KML file could be parsed and saved in an internal data structure and at the very end I made a model and a view for that. This view now went into a plugin (the geodata plugin), the model is now integrated ...read more...
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| By Susan Linton on September 08, 2008 Share Comments The new generation of inexpensive netbooks may be wonderful, but for my main desktop I want a real machine -- something I can open up, clean, and add to.
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| I arrived today at Liberic (Czech Republic) for the SUSE Labs Conference 2008 from 08.-12. September. It was a really relaxed car-trip from Nuremberg this time.
There are many interesting talks, discussions and hacking planed about different topics as e.g. powermanagement, different kernel topics (Real-Time, filesystems, testing, OOM-killer ...) or network.
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| Today is the second day of the International Conference on Open Source Systems, being held in Milan. It's my first day, however. The schedule for the conference is different from previous years in that the morning sessions are all keynote talks and the papers are all presented within four tracks (two in parallel) in the afternoon. As I am presenting a paper today and Chairman of a track tomorrow, this means my choice of talks is largely predetermined.... Today I'm most looking forward to: - "Reflection on Knowledge Sharing in F/OSS Projects", Sulayman K. Sowe and Ioannis Stamelos
- "Using Social Network Analysis Techniques to Study Collaboration between a FLOSS Community and a Company", Juan Martinez-Romo, Gregorio Robles, Jesus M. Gonzalez
- "Empirical Analysis of the Bug Fixing Process in Open Source Projects", Chiara Francalanci and Francesco Merlo
Oh, and if you are in town for the conference you may also want to check out: - "Detecting Agility of Open Source Projects Through Developer Engagement", Paul J. Adams, Andrea Capiluppi and Adriaan de Groot
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