felipernb

4 ms·

1. 1.▲
   by felipernb 15y ago

   The book every programmer should read is Programming Pearls, isn't it? :-)
2. 2.▲
   by felipernb 15y ago

   I believe it would be a graph, but there's also a "hashmap cache" with O(1) access for the most used nodes of the graph indexed by keywords or key-actions :)
3. 3.▲
   by felipernb 15y ago

   I'm pretty sure they weren't expecting the traffic generated by Hacker News and Techcrunch, it fails all the time