A more maintainable, easier to share version of the infamous http://mindprod.com/jgloss/unmain.html
How to Write Unmaintainable Code is basically a must-read for any programmer in my opinion, even so many years later.
IOCCC International Obfuscated C code contest entries
Collect and Analyze Billions of Data Points in Real Time. Manage all types of time series data in a single, purpose-built database. Run at any scale in any environment in the cloud, on-premises, or at the edge.
[ab]using Unicode to create tragedy
I see you've started down a dark path. Would you like me to show you a shortcut?