AMArunav Malhotrainarunav.hashnode.dev·4d ago · 7 min readHTTP QUERY: The New Method That Fixes the POST /search LieFor years, backend teams have been writing APIs like this: POST /search Content-Type: application/json { "status": "active", "role": "admin", "createdAfter": "2026-07-01" } And everyone knew w00
Ttechpotionsintechpotions.hashnode.dev·6d ago · 5 min readGraviton5 C9g Price-PerformanceOriginally published at techpotions.com. Graviton5 C9g price-performance is what you need to understand before your next Compute Savings Plan hits the wire. AWS just dropped the M9g and M9gd general-p00
PDPratham Dharawatinpratham074.hashnode.dev·Jun 30 · 24 min readWhen Notifications Are a Legal Obligation: The Architecture Behind Rule-Driven Event Pipelines Across Three Regulated ProductsIn most systems, a notification is a convenience. It tells you something happened. If it arrives late, or not at all, the user refreshes the page and moves on. That is not the class of problem I was s00
VPVijoy Paulinblog.vijoypaul.com·Jun 28 · 10 min readHow I Reduced API Response Time by 40% Using Redis Caching in Node.js A few months back, I started getting Slack messages that every backend engineer dreads: "hey, is the app slow for anyone else?" Nothing was down. No errors in the logs. Just... sluggish. Pages that us10
SPSaswata Paulinbrokenbydesign.hashnode.dev·Jun 28 · 4 min readSame Sockets, New Electrician: Handing Wiring to SpringIn my last post, I proved you don't need Spring to decouple your code. An interface, constructor injection, and a few lines of manual wiring in Main — that's all it took. I stand by every word of that00
MSManikandan Sinmanikandan4411.hashnode.dev·Jun 27 · 5 min readConditional Statements in JavaIntroduction In programming, we often need to make decisions based on certain conditions. For example: If a user enters the correct password, allow login. If a student's mark is above 40, show "Pass00
SESalah ElRazzazinsalahrzzaz.hashnode.dev·Jun 26 · 6 min readAddDbContext vs AddDbContextPool vs AddDbContextFactory in EF CoreChoosing the wrong DbContext registration can create problems that look like database bugs, concurrency issues, or dependency-injection errors. The three common EF Core registrations are: AddDbContex00
AKAshmit Kumar Patrainashmitcodes.hashnode.dev·Jun 25 · 44 min readHow LLMs Actually Work (and How to Build AI with Them)Everything you need to go from "what even is GenAI?" to shipping real AI-powered apps with JavaScript — no PhD required. Who Is This For? You're a developer. You build things. You've been hearing "A00
FAFortune Alebiosuinfortunethedev.hashnode.dev·Jun 24 · 11 min readBuilding a Multi-Container Setup for the 2026 FIFA World CupThe long awaited 2026 World Cup is finally here, and with FIFA increasing the team count to 48 teams from the long-standing 32 team count, there are now even more games to analyze and keep track of. H00
MSManikandan Sinmanikandan4411.hashnode.dev·Jun 23 · 6 min readOperators in JavaIntroduction Java is one of the most popular programming languages used for developing web applications, enterprise applications, mobile applications, and backend systems. In Java programming, operato00
