Building a Full-Stack Habit Tracker with Claude Code - Part 2: Polish, Testing & Deployment Taking the habit tracker from MVP to production-ready with categories, analytics, comprehensive testing, and Vercel deployment In [Part 1], we built a fully functional habit tracker MVP in about 6-8 hours using Claude Code as our AI pair programmer. We had: ✅ Basic CRUD operations for habits ✅ Date-based
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
The "Deploy" button is not a self-destruct mechanism for your career, despite what your brain screams. We’ve all been there: you’ve poured hours into a project, the code is (mostly) working locally, and then you stare at that final, terrifying button. The one that says "Deploy". It's a mental roadblock, a sudden surge of "what ifs" that can paralyze even experienced developers. But here's the secr