How Stripe Prevents Double Payments With Idempotency Keys
The engineering patterns behind Stripe's payment reliability and how to implement them in your systems
Search across 161 posts, 21 explainers, and 63 topics
GitHub Actions: CI/CD Automation Basics
Turn your repository into an automated testing and deployment machine that catches bugs before they reach users
55 Million Requests Per Second: Inside Cloudflare's Magic
Picture this: it’s Black Friday, millions of shoppers worldwide are frantically clicking “Add to Cart”...
Bridge Design Pattern
Vary what something does and how it does it independently
How Uber Finds Nearby Drivers at 1 Million Requests per Second
Picture this. You’re standing outside Select City Walk in Saket, tired after shopping, and you...
The Complete Guide to k6 Load Testing
From panic to performance confidence – scripting, scaling, observing, and automating load tests with k6
How WhatsApp Scaled to Billions of Users with Just 50 Engineers
The architecture decisions that made massive scale possible
Prompt Engineering Basics for Software Developers
Prompt engineering is a critical skill for software developers working with AI models like GPT....
Git Command Line Basics: Essential Commands for Software Developers
Git is an indispensable tool for software developers, enabling version control, collaboration, and efficient workflows....
Taming Pipeline Chaos: How I Used GitLab APIs and GPT to Analyze Thousands of Failures and Boost Stability
Imagine this: It’s 9 AM, your nightly scheduled CI/CD pipeline has failed again, and you’re...
Iterator Design Pattern
Access elements sequentially without knowing the underlying structure
How to Exclude a Single Module from `sbt test` in a Multi-Module Scala Project
When working with multi-module Scala projects, there are scenarios where you need to exclude specific...
Mediator Design Pattern
Reduce chaotic dependencies by having objects communicate through a central hub
Chain of Responsibility Design Pattern
Decouple senders from receivers by giving multiple objects a chance to handle requests
Composite Design Pattern
Build tree structures where clients don't distinguish between leaves and branches
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