You are here: Home / Topics / Page / 1

Short trick to learn Alexander Invasion on India

Filed under: Indian History on 2026-06-19 11:04:03
1. Important Dates (Must Remember)YearEvent336 BCAlexander became king of Macedon327 BCInvaded India326 BCBattle with Porus326 BCSoldiers revolted at Beas River325 BCReturned from India323 BCAlexander died at SusaTrick"36 → 27 → 26 → 25 → 23"336 → Became King327 → Entered India326 → Fo

What is ATOMIC SQL UPDATES?

Filed under: Solid System Design on 2026-01-03 09:33:29
Excellent.Day 7 is one of the most practical days — this is where we eliminate an entire class of production bugs by changing how we write SQL.Today’s focus:Avoid Read → Modify → Write bugs using ATOMIC SQL UPDATES? DAY 7 — ATOMIC SQL UPDATES1️⃣ The Core Problem (MOST COMMON BUG)❌ Re

TRANSACTION ISOLATION LEVELS in software development

Filed under: Solid System Design on 2026-01-02 14:11:52
Perfect.Day 5 is one of the MOST important days — this is where many “it works in testing but fails in production” bugs come from.I’ll explain Isolation Levels in a way you can feel what the database is doing.TRANSACTION ISOLATION LEVELSIsolation = how much of other transactions your transac