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HK Lee

solo web developer

Joined Joined on  Personal website https://pockit.tools
Why Your Next.js Cache Isn't Working (And How to Fix It in 2026)

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

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11 min read

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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10 min read
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