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 The Ubuntu Development Summit happened at Google the other week. Large numbers of people got together to spend a week discussing the next six months in Ubuntu.
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| The Ubuntu Development Summit happened at Google the other week. Large numbers of people got together to spend a week discussing the next six months in Ubuntu. Lots of specs got written and you can find the Kubuntu Jaunty specs here. One of the most notable changes is the plan to change to using Package Kit, it's always a shame to move on from the hard work that has gone in before, but it makes the most sense for us to use a framework and apps that can be shared amongst many other distros. Hugs to Peter for work much appreciated. I'd like to see KDE 3 libs off the CD for Jaunty, and if possible Qt 3 too. With Akonadi bringing in mysqld we'll need all the space we can find. One of the last hangers on to Qt 3 is OpenOffice, anyone feel like reviving OpenOffice KDE project for Oxygen and Qt 4 support? Mysql is going to be a hassle, as I say it takes up a lot of ...read more...
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We just released the third beta of Eigen 2. Like the rest of the KDE community we are in heavy bug-fixing and polishing mode and this new beta gets us quite close to what we'll soon be calling a release candidate. This is really a result of Eigen's increasing number of users: useful bug reports have been flowing in continuously in the past 3 weeks.
Documentation-wise, here is a FAQ section on vectorization.
Also, we now have a Eigen users forum and I must say that the guys at forum.kde.org, especially Neverendingo, are very helpful.
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| Early holiday gift. KDE 4.2 Beta 2 (via Kubuntu packaging ninjas) on a 46″ Samsung 550. Oh yeah. (Sorry, my photography isn’t the best :)
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| Consider, if you will, the following:
[ 26%] Building CXX object kdeui/CMakeFiles/kdeui.dir/xmlgui/kxmlguiversionhandler.o
[ 26%] Building CXX object kdeui/CMakeFiles/kdeui.dir/util/kkeyserver_mac.o
[ 26%] Building CXX object kdeui/CMakeFiles/kdeui.dir/windowmanagement/kwindowsystem_mac.o
[ 26%] Building CXX object kdeui/CMakeFiles/kdeui.dir/windowmanagement/kwindowinfo_mac.o
[ 26%] Building CXX object kdeui/CMakeFiles/kdeui.dir/kwallet_interface.o
[ 26%] Building CXX object kdeui/CMakeFiles/kdeui.dir/jobviewserverinterface.o
[ 26%] Building CXX object kdeui/CMakeFiles/kdeui.dir/jobviewiface.o
Linking CXX shared library ../lib/libkdeui.dylib
Undefined symbols:
\"mac_initialize_dbus()\", referenced from:
KApplicationPrivate::init(bool) in kapplication.o
KUniqueApplication::start(QFlags)in kuniqueapplication.o
\"mac_fork_and_reexec_self()\", referenced from:
KUniqueApplication::start(QFlags)in kuniqueapplication.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[2]: *** [lib/libkdeui.5.1.0.dylib] Error 1
make[1]: *** [kdeui/CMakeFiles/kdeui.dir/all] Error 2
make: *** [all] Error 2
Above is a linking error I received during the KDE 4.1 betas on OS X. It is also, as it turns out, the linking error which people are getting when they try to compile kde 4.2 beta 2 on OS X. Back in my younger, more formidable years, I was actually able to not only identify the problem but also propose a solution. Then all of a sudden the problem disappeared and I didn't need to worry about it ...read more...
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| So I returned a few days ago from our latest deployment. As far as SSBN patrols go it was pretty successful. Anyways, since there’s no better way to celebrate a return to port than spending time with family, I’ve been doing a lot of that. My wife is pregnant with our second kid so we went out to get her a recliner since the littlest one has been hurting her back. Another good way to celebrate return to port is to start fixing bugs! In that spirit I fixed bug 178425 in kdelibs yesterday. Hopefully the File Open/File Save standard dialogs will sort more intelligently for you now. I also did the normal upgrades and cursory review of the last couple of weeks of messages that I missed. I noticed that Paul Adams had a post up about code contributions to KDE. It looks just how I’d expect for myself: 
In other news someone was nice enough to mail my wife some KDE swag and a cheer-up note for the holidays, which ...read more...
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| We now have badgets for KDE Developers that go with your profile information next to your posts. 
So if you want to be added to the Developers group, visit Group Memberships in your UserCP and select to join the Developers usergroup, explaining your role in KDE Development in the Reason area.
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| Since the Konqueror team is working hard on squashing bugs, I decided to switch back from Firefox to Konqueror now that things are working again. I really did not like some aspects of firefox, like the integration with the other components. PDF's should just open in Okular and all the other stuff surrounding downloading and opening stuff Firefox can not open, seems broken to me. But one aspect of Firefox is good: the plugins. There are plenty. One of them Foxmarks really rocks, you can have the same bookmarks on all your different computers you use. I wanted the same for Konqueror and as Konqi also support plugins, I decided to write one this weekend. It is a simple plugin, it just copies the bookmark file to a location. And 'a location' can be anything of course. In my case 'fish://some.remote.server/home/toma'. If you add a new bookmark it automatically copies it over and when you launch Konqi it checks if the remote location has a newer file. With those two options, it just means you automatically have the same bookmarks ...read more...
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| Today I fixed a bug that has been open for more than 4 years . This feels good. However, there is a reason why it took so long: kdialog contains a member winId() as you can see here , but this is not documented ...
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| The human race has been living and thinking in terms of borders for a long time, since the first people decided to settle down instead of keeping a nomadic life style. Ideally each individual's respect for everyone else's needs and personal boundaries would be sufficient to control access to shared resources and such things, however I am not holding my breath that this would happen any time soon (soon as in terms if centuries). Therefore we happen to need borders and ways to enforce them, such as protecting political borders through military forces, legal borders through law enforcement, etc.
Sometimes people separated by such borders decide that whatever reason they had to create these in the first place are no longer sufficiently imporant (if they exist at all) and work on removing these obstacles reap the benefits of what basically is a reunion. I know that all of you reading this blog understand this very well, because we, communities like KDE, are an unprecedented reunion of people separated by all kind of borders.
This is why people within ...read more...
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| Stark contrast to my last post, I know, but I felt it was only fair to blog about the wonders of OpenSUSE 11.1, even/especially with my little nVidia chip. First off, I still think there’s something wonky going on with X and/or nVidia’s driver in taking so long to start that kdm ends up giving up and committing hari kari, but my little workaround in extending ServerAttempts and ServerTimeout in kdmrc seems to be at least good enough to keep me from committing hari kari myself. And quite honestly, that’s about as much time as I want to spend on debugging it. =:/ But I updated to the KDE 4.2 beta2 packages again today and am absolutely loving OpenSUSE 11.1. Things are blazingly fast and well-put-together, and best of all, my faith is totally restored in OpenSUSE after I reinstalled from scratch again. So what changed between my last post and now? A few things: Yesterday when I installed the KDE 4.2 beta2 packages, I also pulled in the unstable Qt45 packages as well. Maybe that caused ...read more...
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Where did the week go. Well, I know where some of it went, last-week-before Christmas cleanups at the office (where I now work only 2 days a week on Computer Science in High Schools, developing lesson materials) and then putting on my organizing hat for a spontaneous midwinter block party, BBQ and booze fest. I settled on the idea with a neighbour (also called Adriaan) friday, printed up some invites, bought lots of dead animals saturday, and sunday night we had 15 kids and 20 adults standing around the fire out on the street for a dead-of-winter party. Dutch weather being what it is, 10 degrees and dry is pretty nice. Almost T-shirt weather for us Canucks, and since I was tending the fire and the BBQ, that's just what I did.
I didn't sing any songs. Pradeepto tells a good tale (and Gopel V is indeed infinitely cool). Sometimes you just gotta take one for the team. And lest anyone forget, I still need to team up with .. um .. probably Paul ...read more...
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I’ve never really cared much for studying. Trying to memorize facts seems incredibly boring (although digits of pi aren’t ;) and it’s always a struggle to actually get anything done. This semester i had two math classes - and sfu math classes are hard, so i can’t just ignore them and expect an A. ;) So i decided to use a tool pete uses for language training to help me memorize the boring bits of the math classes (which turned out to be almost all of them). It’s called anki, and it’s a cute little flashcard program written in pyqt4. It also has a web interface and a client for the iphone iirc, although i haven’t used those. It was originally designed for learning japanese, but it’s expanded since then. It’s got LaTeX support, so writing crazy math equations isn’t a problem. The spaced learning system trains your brain to remember all the facts you’ve entered - all you have to do is enter those facts, and then actually use the software for a ...read more...
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| Good news to all Kubuntu and Fedora users. The cause for the video garbage appearing whenever a new window is opened has been discovered. A custom patch to xorg is causing the trouble. Now we can only hope that the distributions will provide updates for xorg without this patch. If you don’t want to wait that long and you are a Kubuntu user just add the following ppa to your sources.list and upgrade your system: deb http://ppa.launchpad.net/adamspain/ubuntu intrepid main
The interesting thing is that NVIDIA knew about this patch for at least one month and started to work around it in their drivers. That’s great as it shows that they care about KDE and want to improve the KDE experience. The bad is that they did not communicate that a custom patch to xorg is responsible for the problem. Neither in KDE’s nor in Ubuntu’s bug report there is a comment from NVIDIA. And that’s sad. With a little bit more communication the problem would have been solved much earlier.
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| I saw this pretty project on Planet and I really like their theme for installer. I looked at source and made some changes for YALI.. Finally the result; 
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| This is an interesting read - good thing I didn't show my script that extracts the lines and files where each variable is used :-). I learned a thing or two, so thanks!
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| So, first off, OpenSUSE 11.1 has to be the sweetest, best put together distro, like ever. Really amazing, quality stuff. The new installer has some excellent improvements, and package management has never felt zippier (zyppier??) However, there are a few problems that I’ve hit that I’m still trying to figure out after 2 days of fun and frolic. First off, I have a laptop (meaning I cant change the video card) with an nVidia chipset (meaning I’d like to change the video card). So while OpenSUSE 11.1 works really nicely with the open source “nv” video driver, it can’t do any compositing, 3d, OpenGL, etc., etc. (meaning no wobbley windows or cube goodness or translucency or… you get the idea…). So I followed these nice little 1-click instructions and installed the latest stable nVidia drivers, rebooted, and up came X with nVidia’s drivers quite nicely. So far so good. And then I clicked “logout”. And that’s where things started to fall apart. It looks like what’s happening is that nVidia’s X driver gets killed when logging out ...read more...
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| RSS and Planet readers: This article contains multiple embedded HD videos, to view them as intended please click here. A lot has happened in trunk since the release of KDE 4.1 in July. With 4.2 final just a little over one month away, now is the perfect time to look back and see if we have achieved our goals. I would like to try and start something here by writing an overview of what has happened in KWin over these past six months, if the developers of all the other KDE sub-teams also write one for their own projects we can have a nice little series produced. The main focus of KWin for 4.2 was, without a doubt, desktop effects. Lubos concentrated on card detection, automatic enabling if the system supports it and general optimizations of the core while Martin and myself focused almost entirely on the effects themselves. This does not mean that we didn't do any bug fixing on non-compositing features however, that is just a given. I'll outline ...read more...
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| I just read Johan's post about Qt environment variables and wondered if there was a better way to find these. Johan, this is really not meant as any attempt of blaming you for anything. It's just sort of a hobby for me to do things a effective way and you just ran into my sight ;) Really, no pun intended. His original attempt was:
grep getenv -r src/ | grep cpp: | grep -o ""[A-Z_0-9]*"" | sed 's/"//g'
So for those not familiar with the options of those tools: search recursive in "src" directory for everything containing "getenv". As grep then writes "filename:matching line" take only those lines with "cpp:", then cut out the term in quotes and remove them. Ok, my first idea was: why not simply limit the search to cpp files?
find src -name *.cpp -print0 | xargs -0 grep getenv | grep -o ""[A-Z_0-9]*"" | sed 's/"//g'
The "-print0" makes find limit all matches by a 0 character instead of whitespace so this would also work for ...read more...
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| Yes, this is actually edible! My partner Myriam made these special cookies for me, as a gift for our successful Amarok 2.0 release.
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| There are only 2-3 books regarding Qt , the popular GUI C++ Toolkit for UNIX, Windows, MacOS and embedded Linux.
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| "You could not live without quaternion, could you?", so was the impression of my advisor. William Hamilton and William Clifford are my heroes. I fell in love with quaternion some time ago and used it with passion in my dissertation (check the summary). Those who had done extensive polarization analysis using matrix and quaternion would come to the usual conclusion: for this context, quaternion and polarization analysis is a marriage made in heaven. Now I realize that few days left until 2008 is gone. This would mark my biggest failure for this year. Sadly, I fail (again) to learn Clifford algebra in depth.
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| For the second year in a row (here is is in 2008), the US News & World Report has named being a usability specialist as one of the top career choices for 2009. It’s amazing and gratifying how much more software companies are recognizing usability as a necessary part of the design/development process compared to 10 or even just 5 years ago. Go good design!
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I've just downloaded Qt 4.5 beta 1 and started playing with it. One thing that I've run into a couple of times now are environment variables. Their usage is quite sparsely documented, and can really prove to be useful. So, to have an excuse to look around in the source, I greped a bit.
grep getenv -r src/ | grep cpp: | grep -o ""[A-Z_0-9]*"" | sed 's/"//g'
The X11 version gives 83 hits, while Qt for Embedded Linux (tp1) gives 101. Mergin the two gives 108 unique strings. The difference between these two is fun to look at, but lets start with the more commonly used version: X11.
The variables BROWSER and DEFAULT_BROWSER are used from the QDesktopServices class. The XDG_CACHE_HOME, XDG_CONFIG_HOME and XDG_DATA_HOME are also used by the same class. These variables are all specified in the XDG Base Directory Specification from freedesktop.
QApplication uses a number of environment variables. First, a whole range of variables regarding sessions and desktop ids: DESKTOP_SESSION, DESKTOP_STARTUP_ID, GNOME_DESKTOP_SESSION_ID and ...read more...
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| But here it is, and shows a nice picture of the app we've been building together. At the same time Nine's Hyves blog about the photouploader was replaced by a more official, but slightly less accurate blog by one of the Hyves founders. It gets downloaded quite a lot, which adds to the general feeling of having done a good job that this Gang of Four share. Meanwhile, we are learning about this cross-platform binary release business. Apparently our linux version, which has always been perfectly anti-aliased on our machines, suddenly shed its anti-aliased font rendering on Thomas Zander's computer. And the sound, which works on Ubuntu, doesn't work on OpenSUSE. There's only one real solution, I'm afraid: making it GPL and getting our users to compile it for themselves :-). And today? I'm giving Qt 4.5 a try and taking a look at the Qt Creator source code. It's pretty interesting to see the code of a big Qt application that's not part of Qt or KDE, and it makes me think ...read more...
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| Dear all digiKam fans and users!  After a huge bug triage where more than 120 bug reports have been closed since 0.10.0-beta6, digiKam development team is happy to release the 7th beta release dedicated to KDE4. The digiKam tarball can be downloaded from SourceForge. read more
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| People naturally group information by topic and remember relationships between important things, like a person and the company where she works.
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| Here is a small video, enjoy 
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| The beginning of this year in KDE was marked with the tagging and release of KDE 4.0, followed up by the release event in Mountain View. KDE 4.0 has marked for the KDE community a stable base to build a kick-ass desktop and applications on. Over the past year, we see this effort paying off. Applications such as Dolphin, Gwenview and Okular are mature tools, powerful and userfriendly at the same time, speaking for the KDE4. With KDEnlive and Amarok 2.0 as their first KDE4 version, we see the more complex applications coming up. On the workspace side, new UI technology has matured, KWin's compositing and Plasma give you a very smooth ride as well. The development platform is paying off, it proves to be a very extensible and future-proof platform, more and more applications are becoming available on Windows and Mac, KDE on OpenSolaris is getting closer to inclusion in the distribution, and we've seen KDE already available on FreeBSD. New applications written in Python have entered KDE, and scripting support for many applications is becoming available ...read more...
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