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I built a debt snowball vs avalanche calculator in 3 KB of vanilla JS (and its default example shows no difference)
I wanted a debt payoff calculator that loads instantly, needs no signup and sends nothing to a serve…
Grams to Ounces Conversion Explained: Formula, JavaScript Code, and Practical Examples
Working with measurement data often means dealing with different unit systems. A value might be stor…
One Slow LLM Provider Shouldn't Starve Your Login Route: Bulkheads in 60 Lines of Node
Book: System Design Pocket Guide: Fundamentals Also by me: Thinking in Go (2-book series) — Comple…
A 403 for bingbot in curl does not prove Bing is blocked
I work on a company site we moved from an old domain to a new one. The old domain redirects every pa…
Create a ZIP in the Browser: The Deflate Ratios and CRC-32 Checksums You Can Check
I work on OnePassApps, so I am writing about a tool we ship. I also ran it and read the finished arc…
How merging PDFs works in your browser — no upload, no sign-up
Most PDF tools ask you to upload your files to a server, create an account, or pay before you can me…
Guided tracking setup for upTake
Setting up tracking used to mean guessing. Now upTake walks you through it. What shipped …
How to Handle Scope Creep With a One-Page Change Request (Template Included)
Scope creep rarely shows up as one big demand. It shows up as "can you also add a signup form?" in a…
How to Build a Personality Test in JavaScript: Scoring, Neutral Answers and Unit Tests
Building a personality test looks like a form problem: render the statements, collect radio clicks, …
Fado para un mundo raro.
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Upgrading an old PHP app in steps: the order we follow before PHP 8.2 runs out
By the Brightcode team, a small web development agency in Delhi NCR. Reviewed by Gaurav Khokkar, Fou…
I built a free wallpaper library — DailyWallPix is live on Product Hunt today
I built DailyWallPix because finding a clean, high-quality wallpaper always meant pop-ups, watermark…