How I calculate WPM in real time — and why most typing sites get the math wrong
Most typing speed sites use a formula you can fit on a napkin: WPM = (totalCharsTyped / 5) / elapsedMinutes Divide by 5 because a "word" is s
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Most typing speed sites use a formula you can fit on a napkin: WPM = (totalCharsTyped / 5) / elapsedMinutes Divide by 5 because a "word" is s
Spring Boot with Redis Caching Tutorial: A Comprehensive Guide (2026) Spring Boot with Redis caching tutorial. Learn how to implement Redi
Being a victim of a cryptocurrency scam in March 2026 can be devastating. Whether the loss resulted from a phishing attack, a fraudulent investment p
This morning, I had fun compressing time. But before you picture me as a theoretical physics genius or a crackpot in need of a straitjacket, let me e
When scaling AI pipelines, the biggest enemy is Entropy. Standard conversational prompts fail at scale. If you run 10,000 queries, the probability of
Without rate limiting, one script can take down your API. With the wrong implementation, abuse is still possible — just harder to spot. I learned thi
I built gocount as a way to actually understand what Docker does under the hood. By the end of this post you'll have a working container runtime that
Most AI agent frameworks feel like they were designed for Python developers who love ceremony. You write adapters, glue code, orchestrators, memory st
Many beginners write code like this: String s = ""; for (int i = 0; i s += i; } Looks harmless… But internally: thousands of new String ob
Prerequisites: Loop Invariants (to understand why this works, not just how) | Running Sum (#1480) (the accumulator pattern this builds on). If you ha
Checked exceptions provide compile-time enforcement and are useful for recoverable conditions such as IO or network failures, ensuring callers consci
Java LLD: Mastering LRU and LFU Cache Design for Machine Coding Designing a production-grade cache is the "Hello World" of Low-Level Design
tl;dr: Week 9 was infrastructure week. Closed the biggest SEO gap internal cross-links on 100% of pages. Average position improved for the first time
Modern enterprise systems require more than deployment — they require deep observability. I’ve published 2 practical guides covering: ✔ Java monitor
The N+1 problem happens when: Hibernate executes 1 query to fetch parent records + N additional queries to fetch child records This causes:
The release of nest-drizzle-native 0.2.1 introduces a community package designed to make Drizzle ORM feel entirely natural inside NestJS application
Built a modern gateway for Pterodactyl Panel • TypeScript SDK • CLI automation • Bot integrations • Website API support • Full documentation Docs: h
When scaling backend architecture, the communication layer between services eventually becomes a bottleneck. While REST over HTTP/1.1 with JSON payloa
Treating OpenAPI specs as build artifacts: a working pattern in Laravel with accord, forge, and drift. You ship a Laravel API. You publish
The Problem: The "Skinner Box" of Modern Dating Traditional dating apps have a fundamental conflict of interest: if you find a partner, the