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Area calculators need two unit conversions, not one

If a room measures 144 in by 120 in, multiplying gives 17,280 square inches. The result in square feet is 120, because each foot contributes a factor of 12 on o…

Designing Resilient Fallbacks with Circuit Breakers to Prevent Cascading API Timeouts

Designing Resilient Fallbacks with Circuit Breakers to Prevent Cascading API Timeouts Architectural Overview The Circuit Breaker pattern takes its inspiration f…

Top Sites to Buy Old Gmail Accounts (PVA, Aged, Bulk Options)USA,UK?

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I kept 15 reference files for four weeks and never opened them

During my learning sessions, I told Claude to store all lessons, rules and standards that stood out. I never specified where to save them, and I never really ch…

CVE-2026-111497: Check and Patch Node.js Brotli RCE

CVE-2026-111497 is an out-of-bounds write in the Brotli decoder bundled with Node.js 22, 24, and 26. Node.js fixed it on 21 October 2026. CISA added it to the K…

# Java Interview Preparation Roadmap for Freshers (0–3 Years)

Preparing for your first Java developer interview can feel overwhelming. There are so many topics to cover, including Core Java, OOP concepts, Collections, Exce…

🎉 New release of ECD++ 2026.9.1 is out!

Spring Data JPA Transactions and Queries

The last but not least part of my series of articles on Spring Data JPA guide, employing best practices to help you keep the code base clean and avoid common mi…

Floor plans that compile: byte-identical output, errors as data, and an access graph

Floor plans that compile I compiled the same floor plan twice and diffed the output: import { readFileSync } from " node:fs " ; import { createHash } from " nod…

Reproducible is not correct: defect classes a green test suite cannot see

Reproducible is not correct Here is a measurement you can reproduce in eight lines, plus a dozen-line helper. It is from the example plans that ship with my flo…

Developing a Web-Based GameBoy/GBA Emulator in TypeScript: Overcoming Processor and Audio Challenges

Introduction The GB.js project stands as a testament to the fusion of historical hardware emulation and modern web technologies. By developing a GameBoy and GBA…

Deploy a Next.js Template to Vercel Without Breaking Production

Your Next.js template works locally. Pushing it to Vercel breaks the build because your local .env.local isn't uploaded and preview deploys hit production APIs.…

Modelling missing values in a 6,500-cell table: Sri Lanka's university cut-offs

Every year the University Grants Commission (UGC) in Sri Lanka publishes a table of minimum Z-scores for university admission. Each row is a course at a univers…

I Built a Tool That Turns 40-Year-Old Banking Packets Into Modern APIs — Using Kiro

Every time you tap your card at a terminal, your payment travels through a binary protocol written in 1987. It's called ISO-8583. Banks run it on IBM mainframes…

Count tokens before you call OpenAI or Claude: the count tokens APIs in Next.js

You want to know how many tokens a request will use before you send it: to check it fits the model's context window, to estimate what it will cost, or to stop o…

Aontu says no clearly, but only when you ask it to

I'm a full-stack developer in Nairobi, and I recently took on two small tasks for Voxgig : build an open-source SDK with their SDK generator, then write a criti…

MCP servers stopped working in July 2026 — here is the exact change (with a working diff)

If you copied an MCP server example in the last year and it stopped working, you are not doing anything wrong. The protocol and the TypeScript SDK both changed,…

Vue.js com TanStack Query

Por que usar TanStack Query com Vue.js? A gestão de estado em aplicações frontend divide-se em Client State (modal aberto, tema escuro, formulários locais) e Se…

Samsung Wallet sends USDC on Solana. Here's a 40-line script that tells which chain an address is for

The news, briefly On November 5, 2026, Samsung Wallet launched stablecoin accounts for eligible U.S. Galaxy users. The account holds USDC on Solana . Users can …

The Seventeen Ways a Wall Can Repeat

I have been building a series of pages where the computer generates the pattern: tin-glazed tiles painted by rule , cut tile and poured cement , heraldry , knot…