Backend Engineering

Recently I have been employed as a back end developer, my first ever dev gig after doing a fullstack bootcamp. The codebase and projects are quite large and com

UK VAT numbers used to be validated through VIES like every other European country. After Brexit they...

Python logging from scratch to production: rotating file handlers, JSON structured logs, context filters for request tracing, and decorator patterns for functio

Runique is a batteries-included Rust web framework inspired by Django: auto-generated admin, typed forms, built-in security, on Axum + SeaORM + Tera.

Learn how to identify, understand, and fix common JavaScript errors with practical examples and tips. Continue reading on Medium »

JavaScript’s built-in Map is one of the most commonly used data structures in Node.js applications. While Map works well for… Continue reading on Medium »

If we understand what happens from the moment we run our Spring Boot application to the moment it is ready to serve requests, everything… Continue reading on Me

On Windows, nvm-windows manages multiple Node.js versions. It is a separate project from nvm-sh used...

Hey developers! I'm Ajmal Mubarak, a Python Full Stack Web Developer from Iritty, Kannur, Kerala,...

What actually moved the needle after months of going in circles. Continue reading on Medium »

Learn step‑by‑step how to integrate, query, and optimise PostgreSQL in your Node.js projects for fast, reliable apps

Complete guide to type safety in Next.js with Supabase. Learn database type generation, Zod validation, type-safe queries, and production TypeScript patterns.

Comprehensive guide to testing Next.js and Supabase applications. Learn unit testing, integration testing, E2E testing, RLS policy testing, mocking strategies,

I started writing IONA OS on a random night, 13 years ago. Back then, as now, I had no team. I never...

Why I stopped copy-pasting JSON into online converters and built TypeMorph Every developer has done...

Email is the test surface nobody wants to own. It's asynchronous, depends on external providers, has...

I spent years searching for the “best” backend language. Eventually, I realized I was asking the wrong question. Continue reading on All About Computers »

You pick a testing framework when you start a project and rarely revisit the decision. Pick the wrong...

Reliable systems aren’t just about writing code, they’re about proving that code works consistently. Today I added pytest unit tests to my… Continue reading on

Reliable systems aren’t just about writing code, they’re about proving that code works consistently. Today I added pytest unit tests to my… Continue reading on

The obsession with centralizing heavy compute on backend servers is a massive bottleneck for both...

TL;DR: Pest PHP can test the structure of your code, not just its behavior. Write your team rules as...

A bootcamp grad came into a session recently with the kind of panic I recognize immediately. They...

In our last article we learned how to create functions and pass data into them. But functions can...

Let’s face it, PHP gets a lot of unfair flak from developers who haven’t touched the language since version 5.3. But modern PHP is fast… Continue reading on Med

Hi all, I am Learning Java I am in my 1st year of CSE UG i am using Itellij currently and want to switch to Vim to make my life more difficult . Also What is th

Most Next.js projects say TypeScript and don't mean it. The tsconfig.json has strict: true but the...

Every time I need to resize a batch of images, strip metadata, or convert to WebP, I end up in the...

1. query Query multiple records matching the condition and map them to a list of...

Learn how a shell thinks internally by deeply understanding command structures, parsing models, and why Bash doesn’t treat every command… Continue reading on Me

Learn how a shell thinks internally by deeply understanding command structures, parsing models, and why Bash doesn’t treat every command… Continue reading on Me

Before building our own shell, let’s understand what a shell really is — through storytelling, Linux internals, and hands-on experiments Continue reading on Med

The JavaScript is one of the most popular programming languages used for web development. While learning JavaScript, developers often come… Continue reading on

If I had a dollar for every time someone said “bro just make me a quick website, like an app but simpler”, I’d have enough money to retire… Continue reading on

If I had a dollar for every time someone said “bro just make me a quick website, like an app but simpler”, I’d have enough money to retire… Continue reading on

Some API requests can't finish in time for a single HTTP response. Generating a report, transcoding a...

TypeScript has become one of the most popular programming languages for modern web application development. Created and maintained by… Continue reading on Mediu

A working Rust video API SDK using reqwest and serde: typed data contracts, custom deserializers for

Understanding three ways browsers store information Continue reading on Medium »

With the recent surge in security vulnerabilities across the Spring ecosystem in the first half of...

Another story about hate-driven-development from yours truly Continue reading on ITNEXT »

Three ways to store money in Kotlin Multiplatform, and the one it quietly takes away. Continue reading on ProAndroidDev »

time.After leaks, blocked sends that park forever, and the channel patterns that let a goroutine actually exit. Three runnable repros in Go.

Introdução Subclasses podem substituir a implementação de métodos herdados usando...

Herança Herança é quando uma classe estende outra e herda seus membros: class...

How %w builds an error chain in Go, why errors.Is/As walk it, and the wrapping mistakes that quietly break your error handling.

Introdução Modificadores de acesso controlam quem pode ler e escrever cada membro da...

Introdução O construtor é o método chamado quando você instancia uma classe. TypeScript...