Published: May 9, 2026, 07:15
Posts for: #Http
Linux cp Command: File Copying Internals and Advanced Techniques
Published: 2026-05-12
Deep Dive into Linux cat Command: From File Viewing to Low-Level Implementation
Published: May 12, 2026
JSON to Table: From Data Structure to Interactive Tables
When working with JSON data, staring at raw structures can be overwhelming—especially when nested objects and arrays are mixed together. Converting…
The Complete Guide to HTTP Status Codes: From Protocol to Troubleshooting
When debugging APIs, you’ve surely encountered various HTTP status codes. 200 OK is straightforward, but what about 401, 403, or 500? What’s the di…
HTTP Response Headers Analysis: A Complete Guide to Security Scoring and Performance Optimization
Recently, while debugging a production issue, I noticed our API responses were painfully slow. Opening DevTools revealed the culprit: `Cache-Contro…
HTML Formatter Implementation: From String Parsing to Indentation Reconstruction
Tool link: https://jsokit.com/tools/html-format
File Hash Calculator: Implementing MD5/SHA-1/SHA-256/SHA-512 with Web Crypto API
You downloaded an installer, and the official site gave you an MD5 checksum to “verify file integrity.” How? Terminal commands? Install software? T…
Document Template Generator: Implementation from String Templates to Smart Population
Writing project documentation is a daily routine for developers—README, CHANGELOG, Issue templates… Each time you copy, paste, and modify a few f…
Building a DNS Lookup Tool in the Browser: Google DNS API in Practice
While developing JsonKit, I needed to implement a DNS lookup tool. The traditional approach is to call dig or nslookup fr…