Calling __init__() on all base classes in Python multiple heritance
Here is an example of calling __init__() for all base classes, when doing multiple inheritance in Python (mixins). It uses *args and **kwargs syntax:
Getting up to speed with Git
This is how you can get started successfully using Git. Basic concepts: Git Tutorial (by Lars Vogel) how successful developers are using Git:A successful branching model for Git (Gitflow) Online books: Pro Git and Git Community Book Additional things to…
Pyramidal tile cache cheat sheet
This table lists the number of total tiles for increasing zoom-level in a tile cache. The tile cache is assumed to be pyramidal: . level 1: 1 tile level 2: 5 tiles level 3: 21 tiles level 4: 85 tiles…
Creating plots in LaTeX with Gnuplot and Tikz
Plotting data in LaTeX is a useful thing to do. Xavier Delaunay shows how to do it on his homepage: The plot looks like this:
Simulating the Golden Balls game show
In this eposide of Golden Balls, an inspired event takes place: I retold the event at DIKU APL lunch (nice to have a job where game theory is a valid conversation topic), and we had a conversation about it. At…
Simple programs for simple turing machines
I’ve always wanted to understand Turing Machines better. I believe that the best understanding comes from the intuition developed by solving puzzles. So here, I give myself some challenges. Solve simple problems by writing programs for a simple Turing Machine,…
Hooking into the whole Python way of distributing code
I’m just getting into this topic, but it seems that Python Eggs are the way to go. Here’s a good tutorial: In the long term, I’d like to be able to do: pip install
Three good StackOverflow answers on Python topics
Here are three thorough answers on Python topics from StackOverflow. Metaclasses Yield, iterables, iterators, generators Decorators
Apache Cassandra presentation slides
Apache Cassandra is a column-store with a p2p distribution architecture. Yesterday I did a presentation about Cassandra at Grontmij, Glostrup, Denmark. I made the slides in Google Docs, and they’re public: slides.
Creating visually random images
How complicated does a mathematical function, pseudorandom(x), have to be to create something that seems random, and how do you check whether it seems random? Looking at a long list of numbers is not a good way, because our ability…