A few years ago I solved 200 LeetCode problems and still froze on Mediums I hadn't seen. The breakthrough wasn't another hundred problems. It was a different loop. A problem asks for the longest substring with at most K distinct characters. You've solved sliding window before. Maximum sum subarray of size K, done. Longest substring without repeating characters, done. This third one stalls you. Twe
I like servers. Not in a "let me spend Saturday hand-tuning nginx" way. More in a "this $6 VPS is sitting right here and could probably run half my side projects" way. The weird part is that deploying to one still feels more complicated than it should. For a lot of small and medium web apps, the app itself is not the hard part. The annoying part is everything around it: building the app getting it