Systems Design & Architecture

TL;DR: fallow is a Rust-native static analyzer for JS/TS codebases. It finds unused files, unused...

System Design Visual Guide Ace your system design interviews and architect real systems...

Event-Driven Architecture Kit A comprehensive collection of patterns, schemas, and...

Microservices Architecture Guide A practitioner's guide to designing, deploying, and...

State Management Patterns A comprehensive pattern library for managing complex state in...

When people write books about distributed systems, one of the first temptations is: “I want to...

The Problem With Naive Timers When I started building BoxTime, my boxing round timer app,...

When to Use Which Pattern — A Decision Guide Quick...

Microservices Patterns Guide A reference for the architectural patterns used in this kit...

Medallion Architecture Guide Medallion Architecture Accelerator by Datanest Digital ...

Naming Conventions Cheatsheet Quick reference for naming every object in your medallion...

Learn how struct field ordering impacts memory usage in Go and how to optimize it.

The Lifecycle Never Went Away From the beginning of this series up to the current...

Compared to previous commands, copy was relatively straightforward to build. The options — recursive,...

Multi-app layout, settings split, base model inheritance, and why the next developer who opens your code will either thank you or suffer.

A case study in vibe coding a space situational awareness dashboard — with real orbital mechanics, live TLE data, and SGP4 propagation — from scratch, no build

Scaling agencies managing 50+ sites face hidden costs from template builders. Our TCO analysis reveals why component driven platforms reduce technical

From Number Guessing Game to System Design Concepts this session, we started by building a...

Sometimes the best code is the code you don't ship to the browser. // package.json diff -...

When I started building a perpetual futures engine in Rust, the requirements looked...

This problem is about cleaning up a linked list. I was given a sorted linked list, and the task was...

lets first understand the question Given two sorted linked lists list1 and list2, merge them into...

Building a Jira-like Backend with Decorator-Driven DDD in Node.js I recently built Vibed,...

震動馬達知多少？偏心馬達 vs 線性馬達 vs 伺服馬達 圖1：遊戲手把的觸覺回饋，讓沉浸體驗大幅提升 1️⃣...

How you organize your Micro Frontend project determines how easy it is to develop, build, deploy, and...

When TypeScript developers need a collection, we almost always start with Array, Map, or Set. That...

Introduction Removing duplicates from a sorted linked list is a common problem in data...

When we define a function that accepts map[string]any, we are telling the user: 'Give me anything.'...

A practical guide to when BDD improves testing and when it adds overhead without value.

Have you ever wondered how you can drive a car without knowing exactly how the fuel injection system...

Building interactive tools for your static site doesn't require React, Vue, or any framework. A...

Your system says the transaction succeeded. Your user says it didn't. A user transfers...

Two services update the same resource simultaneously. Data corrupts silently. Learn distributed locking with Redis, PostgreSQL advisory locks, and fencing token

When we build apps with Angular, we usually stay inside the world of templates and signals. It works...

When Redis goes down at 3 AM, does your entire backend crash? Learn circuit breakers, fallback chains, and bulkhead patterns to keep your services running when

Your database shows current state but can't tell you how you got there. Learn event sourcing patterns that give you a complete audit trail, time travel, and rep

Microservices need to communicate without coupling. Build a type-safe event bus in TypeScript with typed channels, middleware hooks, and dead letter handling.

So here’s something I didn’t expect to be writing about this semester. I’m a first-year CSE student....

Fala, comunidade dev! 👋 Nas Partes 1 e 2 desta série, dissecamos o pipeline de renderização (DOM,...

Introduction When we first launched our vibe coding platform, the architecture started as...

A session that goes under the hood of React itself. Most developers use React without ever...

A session that revisits some fundamentals with fresh eyes and adds a couple of genuinely...

A session that fills in a lot of gaps. Some advanced Promise patterns, a React performance...

A big session. React internals, some Node territory, and one of the most confusing...

Every distributed system eventually needs durable execution. Temporal gives you that without building a fragile state machine from scratch. Here's why it matter

Master the PostgreSQL LATERAL JOIN in Laravel to solve complex N+1 problems and optimize resource-heavy queries in multi-tenant SaaS architectures.

If you've written system tests against a Rails app that uses Turbo Streams, you've probably hit this:...

The Go "accept interfaces, return structs" convention explained through a concrete ClaudeGate code review case. When to apply it — and when leaving things as-is