Metaprogramming and other topics
In my last post, I introduced Cython as a tool to speed up your python code by generating a native module. That’s great if you have your solution already prototyped in pure python, but sometimes you may want to take advantage of a pre-existing library that solves your problem. If that library is written in…
Todays post is all about one of the tools to speed up your Python code. Cython can be installed with pip: pip install cython What the heck is Cython anyway? From one point of view, Cython is a language that is very close to a superset of Python syntax. That is to say, most Python…
This post is a bit of a departure from my normal Python evangelism. Instead, I’m going back to my C roots and exploring the somewhat mystical world of the LD_PRELOAD environment variable. TL;DR: LD_PELOAD is a (linux) variable you can set to hijack the symbol resolution order for linked libraries. First lets consider a basic…
I’ve had the pleasure of talking to several folks who are involved in cybersecurity in one form or another. It’s surprising to me how few of us have actually gone through the trouble of crafting an exploit by hand. I think that the process of identifying a vulnerability and exploiting it by hand leads to…