Category Archives: Programming

Handling locked screen event in Qt for Maemo

Posted on May 30, 2011 by Svenn-Arne Dragly

If you want to pause an application to save battery power when the screen is turned off, you can do this by listening for the locked screen event in Qt for Maemo. However, this is not made easily available through … Continue reading →

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Handling application minimization in Maemo with Qt

Posted on May 26, 2011 by Svenn-Arne Dragly

When you are developing with Qt on Maemo you might want to minimize or detect minimization of your application to the dashboard. Qt lacks clean functions for these use cases, but thankfully it’s still very easy to accomplish them. Minimizing … Continue reading →

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Loading local gems in cPanel shared host

Posted on April 25, 2011 by Svenn-Arne Dragly

I had some trouble today figuring out why my Redmine installation wouldn’t start running on my shared server. I received the following error in my log/mongrel.log file: ** Starting Rails with production environment… Missing the i18n 0.4.2 gem. Please `gem … Continue reading →

Posted in Programming, Ruby | Tagged , , , , , , , | Leave a comment

Trafikanten on Maemo

Posted on September 21, 2010 by Svenn-Arne Dragly

Update: The package was pushed to Extras testing on 2nd of October. It was delayed because Maemo’s package repository would not import the new package due to some trouble with the version numbering. There has been missing a native application … Continue reading →

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Skip the packaging step in Qt Creator 2.0

Posted on July 19, 2010 by Svenn-Arne Dragly

Qt Creator finally has support for packages, but now it is lacking the support to disable them instead. Continue reading →

Posted in Mobile, N900, Programming, Qt | 2 Comments

Connect to your N900 while developing via usb

Posted on July 18, 2010 by Svenn-Arne Dragly

Sometimes it feels good to be a bit lazy and let your OS do that boring terminal-typing for you whenever you connect a new device. Continue reading →

Posted in Mobile, N900, Programming, Qt, Ubuntu | Tagged , , , , | 1 Comment

Moving around and going to github

Posted on March 24, 2010 by Svenn-Arne Dragly

I don’t think you’ll notice, but I’ve just moved this page permanently to dragly.org. There seems to have been some problems getting this site indexed properly when it was hosted on a subdomain of dragly.com. To get the site ut … Continue reading →

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Python deleted my vector values

Posted on February 15, 2010 by Svenn-Arne Dragly

Sometimes scripting languages can be a real annoyance. Why? Because when you get as much help as you do with for instance Python, you also lose a lot of control. Being used to scripting languages like PHP, I made the … Continue reading →

Posted in Programming, Python | 2 Comments

Fixing a bug with python-visual in Ubuntu Karmic

Posted on January 21, 2010 by Svenn-Arne Dragly

I was preparing to do some tasks in my physics course today, and experienced a rather annoying problem when attempting to use the python-visual package in Ubuntu. There seems to be a bug in Ubuntu Karmic which results in the … Continue reading →

Posted in Programming, Python, Ubuntu | Leave a comment

Fixing “undefined reference to `vtable for …”

Posted on January 3, 2010 by Svenn-Arne Dragly

These annoying errors have been haunting me the last couple of days, so I figured I should share the most common reason for their occurrence. That is in my projects at least. This error is caused because the linker in … Continue reading →

Posted in C++, Programming, Qt | Tagged , , , | 2 Comments