useState javascript const contactName, setContactName = useState''; const contactImage, setContactImage = useStatenull; const contactImageUrl, setContactImageU...

Rails, when using turbo‑links, ships with a built‑in confirmation dialog for destructive actions. You've probably used it countless times: erb The default turbo...

This is my breakthrough journey, how I finally cracked one of the most head‑breaking pattern problems I’ve ever faced. text 1 2 3 8 9 4 7 6 5 Where My Brain Got...

When I first learned JavaScript, concepts like currying felt confusing and unnecessary—until I actually started using it. What is Currying? Currying is a functi...

Article URL: https://blog.allegro.tech/2026/02/battle-testing-lynx-js-at-allegro.html Comments URL: https://news.ycombinator.com/item?id=46897810 Points: 11 Com...

When I explain RS‑X, I like to use examples that look way more complicated than necessary. Not because credit risk itself matters — it doesn’t — but because rea...

I am a frontend developer with 5.7 years of experience. Recently, I started learning Angular Signals. At first, I was confused: - What is a signal? - Why do we...

Problem Overview We are given an array of integers nums length n. A trionic subarray is a contiguous segment that follows a strict three‑part pattern: 1. Stric...

Understanding useEffect in React > “Unlock a magical spellbook: summon APIs, tame event listeners, and command the DOM.” useEffect is the key to handling side...

What it does - No popup, no settings, no account. - Works offline. - The whole extension is about 5 KB. Permissions - bookmarks — to read your bookmark tree Th...

✨ Pushing the limits of scroll‑driven storytelling on the web ✨ Built a project combining: - Three.js + GLSL shaders → dynamic dissolve effects - GSAP + ScrollT...

Problem Description The task is to find the n-th Fibonacci number. Fibonacci numbers are the sum of the previous two numbers in the sequence, which starts with...