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Author Archives: niemeyer
Comparing package versions in PostgreSQL
This weekend I’ve played a bit with PostgreSQL extensions written in C. A while ago I wrote a Python C extension for Smart to compare Debian package versions. Now I was trying to do something similar inside PostgreSQL, and thus … Continue reading
Posted in C/C++, PostgreSQL, Project, Python
1 Comment
Moved to a new place!
After a somewhat long effort, all posts were moved to the shiny new blog on labix.org, including comments! The new blog is based on WordPress, and brings a few new features that I was missing in LiveJournal. I of course … Continue reading
Posted in Other
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Support for GPS TrackMaker file format on GPSBabel
Continuing my put-those-bits-out-of-your-hard-drive campaign, I’ve released a patched version of GPSBabel with support for input and output of waypoints, tracks and routes in the binary file format of GPS TrackMaker. The patch was written six months ago (sorry :-) ). … Continue reading
Posted in GPS, Patch, Project
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Mandelbrot Set
I’ve finally posted the Mandelbrot Set code snippet that was sitting on my disk for a while. It computes and draws the Mandelbrot Set fractal using pygame, and also Python for Series 60. Three different screenshots are provided. They show … Continue reading
Posted in Fractal, Python, Snippet
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Hey, nice float!
python-nicefloat is a Python module implementing an algorithm based on the paper “Printing Floating-Point Numbers Quickly and Accurately”, by Robert G. Burger and R. Kent Dybvig. The implemented algorithm will find the shortest, correctly rounded output string representing a decimal … Continue reading
Posted in Math, Project, Python
4 Comments
Labyrinth Solver
What about a labyrinth solver function in 16 lines of Python? :-)
Posted in Python, Snippet
4 Comments
Several projects moved
In the last few weeks I’ve been gradually moving projects I maintain to Labix, which is using the Moin software as a CMS. Projects like Smart Package Manager python-dateutil python-constraint and others are all being hosted there now. There’s also … Continue reading
Posted in Project, Python
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Time to shake
I’d like to communicate that I’m shaking my life a bit, and even though I have a lot to say, I’ll try to be relatively short.
Posted in Other
10 Comments
Python module for Constraint Solving Problems
The constraint module presented in PyCon Brasil and later on EuroPython 2005 is now available. Here is a trivial example, solving the classical rooks problem: problem = Problem() numpieces = 8 cols = range(numpieces) rows = range(numpieces) problem.addVariables(cols, rows) for … Continue reading
Posted in Conference, Project, Puzzle, Python
5 Comments
Credit where credit is due
From Progeny Componentized Linux page: Our future development efforts will center around bridging the gap between Debian APT and the APT variants that have emerged in the RPM world, as well as adding support for emerging efforts to standardize software … Continue reading
Posted in Other
7 Comments