The One Billion Row Challenge(morling.dev)
424 points by madmax108 | 271 comments
Gunnar Morling's blog post announcing the One Billion Row Challenge, a contest to aggregate one billion rows of weather station data as fast as possible in Java.
#coding-challenge on Hacker News
2 stories tagged coding-challenge, newest first.
Build your own BitTorrent(app.codecrafters.io)
386 points by romac | 107 comments
CodeCrafters course overview for a challenge to build a BitTorrent client that parses .torrent files, talks to trackers, and downloads from peers.