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MapReduce in Qt Concurrent

Published Thursday April 26th, 2007 | 2 Comments on MapReduce in Qt Concurrent
Posted in Labs, Qt Concurrent, Threads

MapReduce was originally developed by Google to simplify writing parallel algorithms for computer clusters. The basic idea is that you divide your algorithm into two parts: one part that can be run in parallel on individual pieces of the input data (‘map’), and one sequential part that collects the map results and produces the final […]

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Richard Moe Gustavsen

Qt demo

Published Wednesday April 11th, 2007 | 13 Comments on Qt demo
Posted in Graphics View, Qt

Hi! For a while now I’ve been working on a new Qt demo. Conceptually the new demo works the same way as before; it presents you with a menu of demos and examples on how to build applications using Qt. The new version makes use of QGraphicsView, a faster and better component for dealing with […]

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Lorn Potter

Trollnux Debian

Published Tuesday April 10th, 2007 | 1 Comment on Trollnux Debian
Posted in Greenphone, KDE, Qt, Qtopia

Over the long holiday weekend, I actually had time to do some fun stuff other than playing with Skyler. I managed to “install” the Greenphone SDK on my my old IBM T20 lappie, just because it was there… What is special about this installation, is that it does not use vmware, and is a ‘native’ […]

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Folding

Published Sunday April 8th, 2007 | Comments Off on Folding
Posted in Aggregated

One of the more frequent questions that I see is how to do interesting transition effects for applications. So here’s how, first of all prototype your algorithm. Here we’re going to use a page folding to visualize transitions as turning of pages. So that it looks like this:Then we figure out how to adopt it […]

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Graphics Dojo

Published Tuesday April 3rd, 2007 | Comments Off on Graphics Dojo
Posted in Aggregated

I have been traveling and working a lot lately. I was attending Bossa Conference, which was the best organized Open Source conference I had the pleasure of attending. I got to hang out with people I normally spend very little time with like Rasterman. Raster and I had some time to sit down and talk […]

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Graphics View with layouts and widgets?

Published Monday April 2nd, 2007 | 1 Comment on Graphics View with layouts and widgets?
Posted in Graphics View, Labs, Qt

On the way to work today, on the train, I thought about how I can make this Monday the best possible. There’s a lot of stuff going on, and the art of getting Monday morning right sounded very appealing. So here I am; I’ve put on the Katamari soundtrack, wearing big earphones, sipping coffee and […]

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Working towards a unified text layout engine for the free desktop software stack

Published Friday March 30th, 2007 | 5 Comments on Working towards a unified text layout engine for the free desktop software stack
Posted in Qt

I attended a meeting October last year in Boston where various parties dealing with text layouting met. This included members of the Pango/Gtk+, KOffice, OpenOffice/ICU and Scribus projects. Right now we duplicate a fair amount of work to support complex scripts and exotic languages. Only Pango and Qt share some code already that originates from […]

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