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Bookmarks [2013-12-05]

  • Raspberry Pi Python Adventures: IEEE 754/854, when it is needed

    If you want IEEE 754/854 decimal behaviour, what you want to use is the decimal module

  • Experiments in public: Rethinking my excuses about hiring for Test Automation

    Be an Automator, spend your days debugging everyone else's software, drive the art forward, and enjoy (in the long run) incredible job security!

  • Ned Batchelder: Range overlap in two compares

    His code used eight comparisons to check whether the endpoint of one of the ranges was contained within the other range. In Python it would look like this:

    def overlap(start1, end1, start2, end2):
        """Does the range (start1, end1) overlap with (start2, end2)?"""
        return (
    	start1 <= start2 <= end1 or
    	start1 <= end2 <= end1 or
    	start2 <= start1 <= end2 or
    	start2 <= end1 <= end2

    I said you could do it in two comparisons rather than eight, but could never remember the trick.

  • Cubr | Keep on Coding

    Cubr is a project I completed in three weeks at the end of my introductory computer science class at CMU. The idea is simple: you mix up a Rubik’s cube. You show the cube to your computer’s webcam. Some magic happens, and your cube appears onscreen. Then, the cube begins to solve itself, and all you have to do is follow along and you will have solved your cube!

  • Corey Goldberg: deadsnakes - Using Old Versions of Python on Ubuntu

    The Python packages in the official Ubuntu archives generally don't go back all that far, but people might still need to develop and test against these old Python interpreters. Felix Krull maintains a PPA (package archive) of older Python versions that are easy to install on Ubuntu.


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