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Math.round(x * 100) / 100 rounds 1.005 to 1: the rounding bug in our unit tables
We build free calculators for people who pull-test anchors and fasteners. One of them converts displ…
Open Source vs SaaS: A Bootstrapper's Decision Framework
Every indie founder faces the same dilemma: use an open-source tool (self-hosted, free, control) or …
You fill a PDF's line items, and the total field comes back blank
An invoice template has qty_1, price_1, and a total field that Acrobat fills in on its own whenever …
The cache is the easy part: what offline chat actually needs
Every chat app works on office Wi-Fi. The real test is the train, the elevator, and the hotel that c…
Mem AI vs Reflect vs Notion AI: Note-Taking for Knowledge Workers
You read 20 articles a day, attend 5 meetings, and have a backlog of bookmarks, highlights, and rand…
How I normalise 3,200+ supplier listings to a fair cost per mg
Price comparison sounds like division. Take the price, divide by the amount, sort ascending, done. …
From White House Proxies to Lemmings CSS: The Wildest Tech Trends This Week
Another week in tech, another whirlwind of bizarre security discoveries, hyper-optimized AI releases…
1,570 visitors, then a dead domain: what a registry-level suspension actually looks like
oddlyuseful.lol turns everyday habits into numbers you usually never see — days you've been alive, y…
How to Create Business Invoices Online: A Practical Guide for Freelancers
Freelancers often focus on delivering quality work to their clients, but managing invoices is equall…
GPU Cloud for AI: RunPod vs Vast.ai vs Lambda Labs, Priced
You've built an AI application that works perfectly on your local RTX 4090. Now you need to deploy i…
AGENTS.md Review Policy: 4 Sections CodeRabbit, Copilot, and Claude Code All Read
Three AI code reviewers, one file. That shift happened faster than most teams noticed. AGENTS.md wa…
How to Debug JavaScript Errors Like a Professional: A Complete Guide for Developers
JavaScript is one of the most widely used programming languages in modern web development. It helps …