Programming Tutorials

I really don't like the way JavaScript / TypeScript works with unused variables. I guess unused variables, constants and imports should be underlin

Exploring the Impact of JIT Compilation on JavaScript Code Historical and Technical Context The Evolution of JavaScript

I used to think feature branches were the only way to manage releases. Then I joined a team that used feature flags with trunk-based development, and

I spent a year building a feature flags SaaS from scratch. No co-founder, no VC, just me, Go, and a Hetzner VPS. This post covers the full technical j

Let's be real: LaunchDarkly is a great product, but the pricing is wild. I was paying more for feature flags than for my entire cloud infrastructure.

So your side project was humming along beautifully. You prompted your way through a full-stack app in a weekend, the demo looked great, and then... so

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For decades, browsers have been the gateway to the web. They rendered HTML, executed JavaScript, and connected users to applications. But now, the

When we set out to build 7 interactive calculators for Optistream — a French streaming analytics site — we made a deliberate choice: no React, no Vue,

****1.Find Fail count,if fail count is > 0 print (NO GRADE), Find Total,Find Average,if avg>90 print GRADE A,if avg>80 print GRADE B,if avg>70 print G

The majority of unsuccessful AI projects fail not due to the malfunctioning of the technology. Their failure is due to the incorrect hiring decision,

You know Next.js. You know file-based routing, layouts, loaders, SSR. You probably also know the pain: server components vs client components, the "us

The problem with invisible AI I code with Claude every day. It's genuinely helpful. But the interaction is... clinical. Text in, text out.

BMI calculators look deceptively simple — a couple of inputs and a formula. But once you add metric/imperial switching, a split ft+inches input, and l

Honestly, I'm tired of bloated frameworks 🗿 I built this Car Showroom template using only Pure Vanilla JS, HTML, and CSS. No React, no Vue, no nonsens

Most password generator tutorials reach for Math.random(). It's easy, it works, and the output looks random. But Math.random() is a pseudo-random numb

No JS. No SVG. No canvas. Just CSS — and one import. Here's what that actually looks like in practice. The problem with dashboard UIs

We needed a PDF to Word converter for Ultimate Tools. Most browser-based approaches hit a wall: pdfjs-dist runs fine in the browser for rendering, but

If you’re learning React, at some point you’ll hit this question: “How do I properly loop through arrays?” And yeah… you can use a for loop — but th

Si estás aprendiendo React, en algún punto te vas a hacer esta pregunta: “¿Cómo recorro arrays correctamente?” Y sí… puedes usar un for, pero esa no