📰 Dev.to · David

Someone expressed interest in something I built and launched months back. I figured more people...

Someone expressed interest in something I built and launched months back. I figured more people...

(Originally published on Medium) Introduction According to RedHat: Observability refers...

AI agents are increasingly earning and holding digital assets. Whether it's payment for services,...

I recently built a SQL and Python interview prep app using Next.js, TypeScript, Supabase, and Vercel,...

Your backtest shows one path. Monte Carlo shows thousands. Here's how to implement three types of...

When we built ProxyOrb, we faced a fundamental paradox at every design decision: a web proxy works by...

In the world of data analytics, SQL is the essential language for extracting insights from relational...

(Originally posted on Medium) This is the second article in my Expense Tracker series. In my...

Why Developers Need Test Data Generators If you've ever built a payment form, a mobile...

Why we built all our developer tools to process data entirely in the browser — and how you can verify it yourself.

Server-side processing had its era. Here's why the smartest developer tools are moving everything to the browser — and why it matters for privacy, speed, and de

Everything you need to know about JSON formatting, validation, and debugging — from syntax basics to advanced techniques for working with complex API responses.

If you've ever hardcoded DE89370400440532013000 into a test case, we need to talk. The...

Every developer has been there: you're building a payment form, testing an API, or writing...

Testing is only as good as your test data. And let's be honest — most of us have been there:...

Introduction In the world of business analytics, Power BI has become the bridge between...

You enter a credit card number into a checkout form. Before any network request fires, the form...

The Problem Every Fintech Developer Knows You're building a payment form. Or integrating a...

You just hit an API endpoint and got back a wall of minified JSON. It's 2,000 characters of brackets,...

You've seen it everywhere — in JWT tokens, data URIs, API responses, email attachments. That...

I recently shipped password-generator.co — a password generator that runs entirely in your browser....

Data modeling is the architectural backbone of every successful Power BI solution. Whether...

Azure OpenAI looks cheap until you hit production scale. Real token costs, hidden fees, and why Microsoft's calculator is wrong.