1d ago · 7 min read · What happens when 5 API calls fire at the same time and your access token expires mid-flight? They all fail. All 5 get a 401. Your user sees a broken dashboard. Maybe they get logged out. Maybe half t
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6d ago · 2 min read · Getting a Grip on Distributed Locks in NestJS with RedisX Distributed systems are complex beasts. When multiple instances of your application decide to access a shared resource at the same time, chaos can ensue. We're talking race conditions, corrupt...
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Mar 9 · 22 min read · TLDR TLDR: A Movie Booking System (like BookMyShow) is an inventory management problem with an expiry: seats expire when the show starts. The core engineering challenge is preventing double-booking under concurrent user load with a 3-state seat mode...
Join discussionMar 8 · 5 min read · Modern applications require high performance and the ability to handle many tasks simultaneously. Java provides powerful tools for concurrent programming through the Executor Framework and advanced ut
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Mar 3 · 5 min read · If you are running any public-facing API or web application right now, you are probably noticing a disturbing trend in your server logs. Aggressive AI crawlers (like GPTBot, Claude, and Meta's scraper
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Mar 3 · 6 min read · Effect-TS: Building Robust TypeScript Applications with Typed Effects Effect-TS is a TypeScript framework that brings the power of effect systems to JavaScript/TypeScript applications. If you've struggled with error handling, dependency injection, or...
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