Quite abandon blog

My holidays start about a week ago and I don’t have time to drop a line on blog. Moreover I will be away for a month (language camp + algorythm camp) so it will be even more deserty.

Anyway ,that was bad news, a good news that I develop an graph application. A good browsers is required – Opera 9 or Firefox 1.5 . I hope it will be useful for someone. This app is created enterly in JavaScript. It uses <canvas> tag. Hopefully I will have enough time to submit it also as Opera Widget.

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A tiny update

Recently I have a lot of work to do. Luckily it’s going to finish within this week. The last exam that I have is on the next Sunday (2006-06-18). It’s from English, CAE listening. Afterwards I will have lessons etc., but nothing serious.

Anyway, last weekend I spent couples of hours reading articles about Chernobyl disaster. I was inspired by discussion on bbc website between pro- and anti- nuclear. Report/articles that I read in previously doesn’t show clearly what really happen there. The number of victims vary from about 30 to 400 000. It is a “bit” too much for our specific world. So I read plenty of materials. I found articles written by Elena Filatova espiecially interesting. Her’s stories show first hand experience about journeys to closed area around Chernobyl called “The Zone”.

I would like to express my opinion in detail about nuclear, but I don’t have time to do that now. I promise that I will do it within month. In meantime it’s possible to get the picture yourself. A wikipedia entry is a good starting point.

By the way, a friend of mine ask me if I could place a link to his site. He simple want to be indexed by google. Although he suggested using some hacks to hide it, I prefer to place it visible. I want to obey search engine guidelines. So here it is: OMEGA okna bielsko.

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Solving display error in OpenSUSE 10.0

I’ve got a strange problem with my monitor Philips 107T5 in OpenSUSE 10.0 . It is impossible to set 1024×768 resolution and have all of the screen visible. Sax2 doesn’t help, because XFine (moving and resizing display on screen) doesn’t work. However, there is a simple way to avoid hassles. I hope that this solution will be useful for someone.

Just log in as root and “init 3″. Then again log in as root. Move somewhere yours X config and Sax cache (e.g. mv /etc/X11/xorg.conf /etc/X11/xorg.conf.old ; mv /var/cache/sax/files /var/cache/sax/files_old ; mkdir /var/cache/sax/files ). Then run “sax2″. Enter yours setting. If test is not satisfactory, try to choose generic monitor (e.g. –>VESA 1024×768@85). Save and exit. Log as normal user “su normal_user” and run X (“startx”).

I don’t know the reason of that problem, it didn’t appear in priori versions of SUSE. I quess that it’s Xorg related.

UPDATE:
Or simply type “sax2 -r -x -V 1024×768@85″ ;-).

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Building kde4

Last weekend I was trying to get kde4 working. I follow KDE3to4 guide on KDE wiki. I’ve done it on OpenSUSE 10.0.

Some useful hints (some are SUSE agnostic):

  • Install giflib-devel, openssl, an cmake packages using Yast.
  • Having a new user is necessary, if you want to lunch kde4 itself.
  • Then follow wiki guide. Note that compiling and downloading takes some time. It is a good idea to put commands together (using semicolon (“;”) and do something else. Note 2: Don’t forget that Qt configure will ask you to accept license.
  • If there will be any problems with cmake, don’t forget to delete cmake’s cache before re-running cmake.
  • First try to lunch single application using SSH. If it fails, check if your firewall allow this.
  • Setting kde4 desktop is a bit tricky here is my guide:
    1. switch to other console (e.g. Ctrl+Alt+F5)
    2. log in as KDE-devel; type “X :1″; switch to another console (e.g. Ctrl+Alt+F6)
    3. log also as KDE-devel and type “export DISPLAY=:1; startkde”
    4. then switch to your launched KDE (Ctrl+Alt+F8)
    5. do whatever with start wizard (go through or cancel)
    6. check version (any app/Help/About KDE). it wouldn’t be 3.9(pre 4), but it’s ok
    7. turn off KDE and X (or just kill them)
    8. switch back to primary display(Ctrl+Alt+F7)
    9. look at KDE-devel home. You wouldn’t see your compiled files, but don’t panic
    10. log as KDE-devel user and move files from trash (mv ~/.local/share/Trash/files/* ~)
    11. do again steps from 1-4
    12. now you should be in KDE4

Now enjoy and develop for a new major KDE release. I will play/work on it in comming days.

From other news, my CAE exams will be soon.

BTW:
I update fire simulation, now window version is bundled with needed library. It should work out of box.

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