Young Gao - DEV Community

Young Gao

Mar 21

Pagination Done Right: Cursor vs Offset and Why It Matters at Scale

#backend #database #typescript #webdev

1 min read

Young Gao

Mar 21

Microservices Communication: REST, gRPC, and Message Queues

#backend #architecture #microservices #webdev

1 min read

Young Gao

Mar 21

Database Transactions: ACID, Isolation Levels, and Deadlocks

#database #backend #postgres #webdev

1 min read

Young Gao

Mar 21

WebSocket Authentication: Securing Real-Time Connections

#websocket #security #typescript #webdev

1 min read

Young Gao

Mar 21

Testing Express APIs: Unit Tests, Integration Tests, and When to Use Each

#testing #typescript #backend #webdev

1 min read

Young Gao

Mar 21

Monorepo vs Polyrepo: How to Structure Your Backend Projects

#backend #architecture #devops #webdev

1 min read

Young Gao

Mar 21

TypeScript Generics: A Practical Guide for Backend Developers

#typescript #backend #programming #webdev

1 min read

Young Gao

Mar 21

Error Handling Patterns in TypeScript: Beyond Try-Catch

#typescript #backend #programming #webdev

2 min read

Young Gao

Mar 21

Environment Variables Done Right: From .env Files to Production Configs

#backend #typescript #devops #webdev

2 min read

Young Gao

Mar 21

Docker Compose for Development: The Setup Every Backend Dev Needs

#docker #devops #backend #webdev

2 min read

Young Gao

Mar 21

Database Indexes Explained: B-Trees, Composite Keys, and When Indexes Hurt Performance (2026)

#database #postgres #performance #backend

2 min read

Young Gao

Mar 21

Graceful Shutdown in Node.js: Stop Dropping Requests (2026)

#node #devops #backend #javascript

1 min read

Young Gao

Mar 21

BullMQ Job Queues in Node.js: Background Processing Done Right (2026 Guide)

#node #redis #typescript #backend

2 min read

Young Gao

Mar 21

Role-Based Access Control (RBAC) in Node.js: Beyond Simple Admin Checks (2026)

#security #node #typescript #backend

2 min read

Young Gao

Mar 21

Zod vs Joi vs Class-Validator: Input Validation in TypeScript APIs Compared (2026)

#typescript #validation #node #webdev

1

2 min read

Young Gao

Mar 21

Building Your First MCP Server in TypeScript: Connect AI Agents to Anything

#mcp #ai #typescript #tutorial

6 min read

Young Gao

Mar 21

Caching Strategies Explained: When, Where, and How to Cache in 2026

#redis #performance #backend #webdev

2 min read

Young Gao

Mar 21

CORS Explained Simply: Why Your Frontend Can't Talk to Your API (Fix in 5 Minutes)

#webdev #javascript #beginners #cors

2 min read

Young Gao

Mar 21

Advanced API Rate Limiting: Sliding Windows, Token Buckets, and Distributed Counters (2026)

#api #typescript #redis #architecture

12 min read

Young Gao

Mar 21

Distributed Locking: Preventing Race Conditions Across Microservices (2026 Guide)

#go #typescript #redis #architecture

11 min read

Young Gao

Mar 21

Feature Flags from Scratch: Build a Runtime Toggle System in TypeScript (2026)

#typescript #devops #architecture #tutorial

1

12 min read

Young Gao

Mar 21

Scaling WebSocket Connections: From Single Server to Distributed Architecture (2026)

#websocket #typescript #node #architecture

11 min read

Young Gao

Mar 21

Building AI-Ready Backends: Streaming, Tool Use, and LLM Integration Patterns (2026)

#ai #typescript #llm #backend

6 min read

Young Gao

Mar 21

Graceful Degradation Patterns: Keep Your Backend Running When Dependencies Fail (2026)

#typescript #architecture #reliability #backend

11 min read

Young Gao

Mar 21

API Authentication Done Right: JWTs, API Keys, and OAuth2 in Production (2026 Guide)

#security #typescript #api #webdev

3 min read

Young Gao

Mar 21

Multi-Tenant Architecture: Database Per Tenant vs Shared Schema — Pros and Cons (2026)

#database #architecture #saas #backend

5 min read

Young Gao

Mar 21

Event Sourcing Explained: When CRUD Is Not Enough (Practical Guide 2026)

#architecture #typescript #database #eventsourcing

5 min read

Young Gao

Mar 21

Build a Custom API Gateway in Node.js: Routing, JWT Auth, and Rate Limits (2026)

#node #typescript #api #architecture

5 min read

Young Gao

Mar 21

Express Middleware Patterns: Composition, Error Handling, and Auth (2026 Guide)

#node #typescript #express #webdev

2 min read

Young Gao

Mar 21

Database Migrations in Production: Zero-Downtime Schema Changes (2026 Guide)

#database #devops #postgres #backend

2 min read

Young Gao

Mar 21

The Three Pillars of Observability: Logs, Metrics, and Traces Explained (2026)

#devops #observability #monitoring #backend

5 min read

Young Gao

Mar 21

Pub/Sub Messaging Patterns: Redis vs NATS — When to Use What (2026 Comparison)

#redis #architecture #messaging #backend

5 min read

Young Gao

Mar 21

Background Job Processing in Node.js: BullMQ, Queues, and Worker Patterns (2026)

#node #redis #typescript #backend

5 min read

Young Gao

Mar 21

Request Validation at the Edge: Zod Schemas, OpenAPI, and Type-Safe APIs (2026)

#typescript #api #validation #openapi

5 min read

Young Gao

Mar 21

Kubernetes Health Probes Done Right: Liveness, Readiness, and Startup (2026 Guide)

#kubernetes #devops #docker #backend

5 min read

Young Gao

Mar 21

Production Secrets Management: From .env Files to HashiCorp Vault (2026 Guide)

#security #devops #vault #backend

5 min read

Young Gao

Mar 21

RAG Is Not Dead: Advanced Retrieval Patterns That Actually Work in 2026

#ai #python #rag #llm

6 min read

Young Gao

Mar 21

Building Production AI Agents with LangGraph: Beyond the Toy Examples (2026)

#ai #python #langgraph #llm

1

11 min read

Young Gao

Mar 21

Worker Threads in Node.js: When and How to Use Them for CPU-Intensive Tasks (2026)

#node #javascript #performance #backend

1

2 min read

Young Gao

Mar 21

Building Reliable Webhook Delivery: Retries, Signatures, and Failure Handling (2026)

#api #webhooks #architecture #backend

3 min read

Young Gao

Mar 21

Building a Production-Ready Message Queue Consumer in Go (2026 Guide)

#go #architecture #messaging #backend

12 min read

Young Gao

Mar 21

Retry Patterns That Work: Exponential Backoff, Jitter, and Dead Letter Queues (2026)

#typescript #architecture #reliability #backend

2 min read

Young Gao

Mar 21

Environment Variables Done Right: Stop Hardcoding Secrets in 2026

#security #devops #typescript #beginners

1

2 min read

Young Gao

Mar 21

API Versioning Strategies That Actually Work in Production (2026 Guide)

#api #architecture #webdev #backend

2 min read

Young Gao

Mar 21

Database Connection Pooling: Why Your App Crashes Under Load (Fix Guide 2026)

#database #performance #backend #postgres

2 min read

Young Gao

Mar 21

Distributed Tracing with OpenTelemetry in Go: A Practical Guide (2026)

#go #opentelemetry #observability #devops

11 min read

Young Gao

Mar 21

Implementing the Circuit Breaker Pattern in TypeScript (2026 Guide)

#typescript #architecture #reliability #backend

2 min read

Young Gao

Mar 21

Structured Logging in Production: Why You Should Stop Using console.log (2026)

#node #devops #logging #backend

2 min read

Young Gao

Mar 21

Graceful Shutdown in Go: Patterns Every Production Service Needs (2026)

#go #devops #kubernetes #backend

7 min read

Young Gao

Mar 21

Building a Type-Safe Event Bus in TypeScript: Decouple Your Microservices (2026)

#typescript #architecture #microservices #backend

2 min read

Young Gao

Mar 21

Building a High-Performance Cache Layer in Go with Redis (2026 Guide)

#go #redis #performance #backend

7 min read

Young Gao

Mar 21

Designing Idempotent APIs: Why Your POST Endpoint Needs Duplicate Handling (2026)

#api #webdev #typescript #architecture

3 min read

Young Gao

Mar 21

PostgreSQL Performance: 10 Queries You're Writing Wrong (2026 Edition)

#database #postgres #performance #sql

5 min read

Young Gao

Mar 21

Building a CLI Tool in Rust: From Zero to Published on crates.io (2026 Guide)

#rust #cli #beginners #tutorial

5 min read

Young Gao

Mar 21

Zero-Downtime Deployments on Kubernetes: Rolling Updates, Blue-Green, and Canary (2026)

#kubernetes #devops #docker #deployment

6 min read

Young Gao

Mar 21

Building a Production Rate Limiter from Scratch in Go (2026 Guide)

#go #api #ratelimiting #backend

6 min read

Young Gao

Mar 21

Server-Sent Events: The Underrated Alternative to WebSockets (2026 Guide)

#javascript #webdev #sse #node

8 min read

Young Gao

Mar 21

Pragmatic Error Handling in Go: Patterns That Scale (2026)

#go #errors #beginners #backend

12 min read

Young Gao

Mar 21

Testing Strategies for TypeScript APIs That Actually Catch Bugs (2026)

#typescript #testing #node #tdd

1

8 min read

Young Gao

Mar 21

Docker Multi-Stage Builds for Go: From 1GB to 12MB Images (2026 Guide)

#go #docker #devops #optimization

5 min read

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