1. Webhooks: what Stripe warns you about What happens when the thing you're waiting for lives on someone else's server? Polling asks again and again; a webhook turns it around, and their server calls yours. But Stripe war 10/21 23:10 ♡
2. I Bet Nobody Has Ever Explained System Design Like This Before 👉 Land the job. Get the promotion. Become a better dev. https://skool.com/amigoscode-academy You can study System Design for 6 months and still have no idea whether you're ready. 10/21 21:30 ♡
3. 6 ways to build an API (most devs only know 1) How should two services talk to each other? Most of us reach for REST, but there are at least six ways to build an API, and picking the wrong one can cost you a rewrite of the laye 10/21 02:32 ♡
4. Still Writing a For Loop to Filter a List? Java Streams Turn a loop (a new list, a for, an if and an add) into one stream: filter keeps the paid orders, map turns each into its total, and toList collects them. Need one number instead? U 10/19 23:03 ♡
5. API Mistakes You Need to STOP (Before the Rewrite) 👉 Land the job. Get the promotion. Become a better dev. https://skool.com/amigoscode-academy Picking the wrong API style can cost you a rewrite of the layer everything else sits o 10/17 22:57 ♡
6. Still Writing 35 Lines to Hold Two Values? Java Records A Money class with a constructor, two getters, equals, hashCode and toString is 35 lines, and none of it is your logic. Since Java 16, a record does it in one line. You get a const 10/17 02:02 ♡
7. Your Test Charged a Real Card? Dependency Injection Fixes It A class that builds its own Stripe gateway with `new` can't be swapped, or tested without charging a real card. The fix: take a PaymentGateway interface in the constructor, so you 10/15 23:04 ♡
8. Why Claude Code "Forgets" (and How to Manage Context) Context is everything Claude can see right now, held in one context window with a limit. Before you type, the system prompt, your CLAUDE.md, tool names and skill descriptions are a 10/14 23:03 ♡
9. Hundreds of Lines on the Wrong Assumption? Use Plan Mode Claude didn't write bad code. Nobody checked the plan. Press Shift+Tab until the status bar says plan mode on (or launch with --permission-mode plan), and Claude reads and explores 10/13 02:02 ♡
10. What Happens to Request 201? Java Virtual Threads Explained A platform thread holds an OS thread for its whole life, so we keep a pool, and Tomcat's default is 200. When 200 requests are blocked waiting on the database, request 201 waits. V 10/11 23:02 ♡
