HK Lee

solo web developer

Joined on Dec 26, 2025 https://pockit.tools

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18 posts published

2 comments written

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pnpm vs npm vs yarn vs Bun: The 2026 Package Manager Showdown

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HK Lee

Jan 9

pnpm vs npm vs yarn vs Bun: The 2026 Package Manager Showdown

#pnpm #npm #yarn #bunjs

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9 min read

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GPT-5 vs Claude Opus 4.5 vs Gemini 3: The 2026 AI Coding Model Showdown

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HK Lee

Jan 8

GPT-5 vs Claude Opus 4.5 vs Gemini 3: The 2026 AI Coding Model Showdown

#gpt #claude #gemini #ai

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8 min read

Vercel AI SDK Complete Guide: Building Production-Ready AI Chat Apps with Next.js

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HK Lee

Jan 7

Vercel AI SDK Complete Guide: Building Production-Ready AI Chat Apps with Next.js

#vercelaisdk #nextjs #ai #chatgpt

2 comments

13 min read

Mastering Cursor Rules: The Ultimate Guide to .cursorrules and Memory Bank for 10x Developer Productivity

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HK Lee

Jan 6

Mastering Cursor Rules: The Ultimate Guide to .cursorrules and Memory Bank for 10x Developer Productivity

#cursor #aicoding #promptengineering #llm

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12 min read

Tailwind CSS v4 Migration Guide: Everything That Changed and How to Upgrade (2026)

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HK Lee

Jan 5

Tailwind CSS v4 Migration Guide: Everything That Changed and How to Upgrade (2026)

#tailwindcss #css #frontend

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7 min read

PostgreSQL vs MySQL vs MongoDB in 2026: The Honest Comparison Nobody Asked For

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HK Lee

Jan 1

PostgreSQL vs MySQL vs MongoDB in 2026: The Honest Comparison Nobody Asked For

#database #postgres #mysql #mongodb

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8 min read

Rust for JavaScript Developers: A Practical Guide to Your First 1000 Lines (2026)

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HK Lee

Dec 31 '25

Rust for JavaScript Developers: A Practical Guide to Your First 1000 Lines (2026)

#rust #javascript #typescript #programminglanguages

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9 min read

Why Your Next.js Cache Isn't Working (And How to Fix It in 2026)

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HK Lee

Dec 30 '25

Why Your Next.js Cache Isn't Working (And How to Fix It in 2026)

#nextjs #caching #approuter #react

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11 min read

CSS :has() Selector Deep Dive: The Parent Selector That Changes Everything

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HK Lee

Dec 29 '25

CSS :has() Selector Deep Dive: The Parent Selector That Changes Everything

#css #frontend #performance #cssselectors

1 reaction

2 comments

10 min read

Deno 2 vs Node.js vs Bun in 2026: The Complete JavaScript Runtime Comparison

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HK Lee

Dec 27 '25

Deno 2 vs Node.js vs Bun in 2026: The Complete JavaScript Runtime Comparison

#deno #node #javascript #typescript

1 comment

9 min read

Model Context Protocol (MCP): The Complete Guide to Building AI Agents That Actually Work

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HK Lee

Dec 27 '25

Model Context Protocol (MCP): The Complete Guide to Building AI Agents That Actually Work

#mcp #aiagents #llm #openai

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10 min read

Vite vs. Webpack in 2026: A Complete Migration Guide and Deep Performance Analysis

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HK Lee

Dec 27 '25

Vite vs. Webpack in 2026: A Complete Migration Guide and Deep Performance Analysis

#vite #webpack #javascript #bundler

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11 min read

Why Your Docker Build is So Slow: A Deep Dive into Multistage Dockerfile Optimization

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HK Lee

Dec 27 '25

Why Your Docker Build is So Slow: A Deep Dive into Multistage Dockerfile Optimization

#docker #devops #optimization #containers

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12 min read

A Deep Dive into JavaScript's Temporal API: Finally Escaping Date Hell in 2025

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HK Lee

Dec 27 '25

A Deep Dive into JavaScript's Temporal API: Finally Escaping Date Hell in 2025

#javascript #temporalapi #ecmascript #typescript

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16 min read

Debugging Node.js Memory Leaks: A Complete Troubleshooting Guide with Real-World Examples

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HK Lee

Dec 27 '25

Debugging Node.js Memory Leaks: A Complete Troubleshooting Guide with Real-World Examples

#node #memoryleak #debugging #javascript

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10 min read

Building AI Agents from Scratch: A Deep Dive into Function Calling, Tool Use, and Agentic Patterns

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HK Lee

Dec 27 '25

Building AI Agents from Scratch: A Deep Dive into Function Calling, Tool Use, and Agentic Patterns

#ai #llm #agents #typescript

1 comment

9 min read

The Complete Guide to Streaming LLM Responses in Web Applications: From SSE to Real-Time UI

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HK Lee

Dec 27 '25

The Complete Guide to Streaming LLM Responses in Web Applications: From SSE to Real-Time UI

#llm #streaming #sse #node

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10 min read

Why is useEffect Running Twice? The Complete Guide to React 19 Strict Mode and Effect Cleanup

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HK Lee

Dec 26 '25

Why is useEffect Running Twice? The Complete Guide to React 19 Strict Mode and Effect Cleanup

#react #react19 #useeffect #strictmode

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10 min read