Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,843 posts.

Software Engineering
Any year
20413

Text Matching Using Cosine Similarity

Recently I was working on a project where I have to cluster all the words which have a similar name. For a novice it looks a pretty simple job of using some Fuzzy string matching tools and get this done. However in reality this was a challenge because of multiple reasons starting from pre-processing of the data to…

20421

Solving Tetris in C

Exactly one of the following statements is true. In Tetris, you can always get at least one line before losing. In Tetris, a sufficiently evil AI can always force you to lose without getting a single line, by providing bad pieces. Which one? Prove it. The setup I crea...

20423

Wolf Incident Postmortem

Incident #210 Status Complete, one action item outstanding. Summary Sentinel consumed by wolf after repeated false alarms. Impact Loss of sentinel. No flock impact. Root causes Sentinel generated noisy alerts due to premature deployment, incomplete training, and overly monotonous task. Oncalls failed to respond to…

20429

This year in LLVM

Towards the end of last year, I switched from working on PHP at JetBrains, to working on LLVM at Red Hat. While it was already under discussion beforehand, this catalyzed the creation of the PHP foundation , which now pays multiple people to work on PHP. Special thanks for this go to Roman Pronskiy, who did most of…