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Fixing tests by writing more tests 14 Aug 2013 | 06:01 pm
When a test fails, the first instinct is usually to dive right in – go through the code, sprinkle printouts and logging statements all around, fire up the debugger, and so on. But often, the correct a...
pycparser v2.10 released 3 Aug 2013 | 06:53 pm
A few minutes ago I’ve tagged pycparser v2.10 and pushed the release to PyPI. The biggest feature in this release is the ability to handle even darker context-sensitive corners of C. For example, con...
pycparser – call for testing before release 31 Jul 2013 | 09:38 am
The previous release of pycparser was 7 months ago, and it’s time for another one. In addition to the usual collection of small fixes, this time there’s actually a major feature to try out. I finally...
Displaying all argv in x64 assembly 24 Jul 2013 | 05:53 pm
Recently I’ve been doing some x64 assembly hacking, and something I had to Google a bit and collect from a few places is how to go over all command-line arguments (colloquially known as argv from C) a...
Hand-written lexer in Javascript compared to the regex-based ones 16 Jul 2013 | 06:25 pm
A few weeks ago I wrote about the comparison between regex-based lexers in Python and Javascript. Javascript running on Node.js (V8) ended up being much faster than Python, and in both languages a spe...
Library order in static linking 9 Jul 2013 | 05:56 pm
I’ll start with a slightly sneaky but educational example. Suppose we have this code: It runs just fine and the return value is 5. Now, suppose this is part of a larger project that consists of many ...
Summary of reading: April – June 2013 2 Jul 2013 | 05:47 pm
Roughing It" by Mark Twain – a kind of a "travel log" of the author’s years spent in Nevada, California and Hawaii in the 1860s. While reading the book I actually had to look up "high tale" in a dicti...
Regex-based lexical analysis in Python and Javascript 25 Jun 2013 | 05:36 pm
When I need a lexical analyzer, usually the first tool I turn to is a simple regex-based lexer I’ve been using for a few years now. Here is the most straightforward version, in Python. First, a couple...
Keeping persistent history in bash 12 Jun 2013 | 07:27 am
For someone spending most of his time in front of a Linux terminal, history is very important. But traditional bash history has a number of limitations, especially when multiple terminals are involved...
Switching my open-source projects from Bitbucket to Github 10 Jun 2013 | 04:49 am
I’m switching my public open-source projects from Bitbucket to Github, and in the process also from Mercurial to git. But the switch has little to do with git vs. Mercurial; it’s mostly about Github w...
