Backend Engineering

public async Task> GetAllProductsAsync( int pageNumber, int pageSize, string? search, ...

I’m currently learning web development, and I wanted to do more than just follow tutorials. So I...

Short answer: a US/EU SaaS should use two explicit PDF endpoints for customer identity...

Short answer: make account deletion a three-gate workflow: record the user's confirmed intent, revoke...

Short answer: keep invite acceptance as a small, auditable state machine, and create the user only...

async/await without the pitfalls Async/await is the bread and butter of modern JavaScript....

For the past while, I’ve been dabbling more and more with Rust. I don’t think I ever really decided,...

While I was translating a decryption tool from C++ to Rust, I stumble across a really weird syntax...

If you've ever shipped a signup form and watched your bounce rate creep up a week later, you already...

Fixing the “D.map is not a function” crash by tightening DB indexes and normalizing the API...

For customer-support notifications, a Node.js push subscriber should verify the signed request,...

Because eventually, every backend becomes a machine that waits for something to happen. There is a...

Hello world, it's Wednesday, August 26, 2026, and here's what happened This Week in PHP...

Introduction Async/await has become the de‑facto way to write readable asynchronous code...

The Quest Begins (The "Why") I still remember the first time I stared at a scoreboard...

TL;DR: The browser caught up while you weren't looking. As of 2026, all 13 of these APIs are Baseline...

Short answer: put template creation and preview in a release workflow, then send the welcome email...

How to Build a CLI Tool with Python and Click tags: python, cli, tutorial, tools tags:...

"Node.js is single-threaded" — you've heard it a hundred times. So how does it handle thousands of...

Cuando trabajas en un backoffice que consume APIs con respuestas JSON enormes —listados de miles de...

If you've been coding for more than a week, you've probably typed git add ., git commit -m "fixed...

Quick check, if you have any Server Action handling a checkbox, a "subscribe to newsletter," an "I...

Git Commands Every Developer Should Know tags: git, programming, tools,...

Setting up a scalable test automation framework using Playwright JavaScript with BDD (Behavior-Driven...

Mastering Background Jobs: A Developer's Guide to BullMQ In modern web development, you...

While working on a configuration-heavy project recently, I kept running into the same annoying...

For a Next.js phone verification login, SMS OTP is the easy part; the backend state machine, resend...

A few days ago, I released Metalterm, a new native terminal emulator for macOS built with Rust and...

Learn regex character classes, anchors, and capture groups with JavaScript examples you will actually...

Building a Production-Ready REST API Client with Dio A production API client needs more...

Start with the Right Mindset Debugging is not about guessing. It's about gathering...

Distinguish terminal events from SSE disconnects, preserve partial output, check client and proxy timeouts, and retry without duplicating side

The Quest Begins (The “Why”) I still remember the day my side‑project went from “cool...

One thing almost every developer can relate to is implementing authentication before building the...

A coding session ends. The next one starts from zero. session-close is a local Python CLI. You fill...

A lot of backend development is not really product development. You spend an afternoon adding...

The Quest Begins (The “Why”) I remember the first time I tried to fetch data from three...

If your Node app already uses Mongoose and you wire up Better Auth with its official MongoDB adapter,...

Gateway de pagamento reenvia evento. Se seu webhook não for idempotente, o cliente é cobrado duas vezes. Como resolver com uma constraint unique.

Cache::remember() é a parte fácil. Invalidar é que dói. Três estratégias pra nunca mais servir preço de ontem pro seu cliente.

A valid JSON object is not a safe tool call. A free model can emit a well-formed string that still...

Two hooks with nearly the same name Spring's container builds your objects so you don't...

Webhooks look simple but break in production. Retries with jitter, HMAC signatures, and idempotency keys — with copy-paste Python code.

The problem Every Python web app eventually needs authentication, and every team ends up either...

Short answer: a public HTTPS queue push webhook subscriber in Node.js should verify the signature on...

Livewire Secure Properties 🔒 👉 View on GitHub: janecodelife/livewire-secure-properties An...

Prisma Postgres seed in one command — or rewrite your seed script every time the schema changes....

Research: SQLite compressed text-history prototypes I'm perennially interested in options for storing revision histories in relational databases. While out on a