Introduction
Welcome to follow my channel, where I occasionally share random messages
Or follow me on Twitter
https://twitter.com/bboysoulcn
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con
con is a GPU-accelerated, humane modern terminal with a built-in AI agent, designed for SSH, tmux, and agent-native workflows.
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CORS: The Three Headers That Cause 90% of Debugging Pain
A deep dive into the three response headers (plus the credentials flag) that cause 90% of CORS debugging pain, explaining what they actually do under the hood, along with a test harness to verify CORS behavior before you deploy.
https://the-practical-developer.online/posts/cors-three-headers-debugging-test-harness/
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Security Headers in Production: CSP, HSTS
A header-by-header guide to the six security headers every production site and API should ship in 2026 (HSTS, CSP, and more), with working middleware code and a CSP builder that does not make you hate yourself.
https://the-practical-developer.online/posts/security-headers-production-csp-hsts/
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PostgreSQL COPY for Bulk Data Operations
Explains how PostgreSQL’s COPY command bypasses the SQL planning layer to bulk-load millions of rows 10x faster than row-by-row INSERT, covering Node.js usage, error-handling pitfalls, and the benchmark numbers.
https://the-practical-developer.online/posts/postgres-copy-bulk-data-operations/
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Programmers Aren’t People
Traces the 300-year history of the word “computer” meaning a person who computes, from an 1892 newspaper job ad to NASA’s women computers, and how the word eventually shifted from flesh to machine.
https://elliotbonneville.com/programmers-arent-people/
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How Deep is Challenger Deep?
An interactive ArcGIS StoryMap that visually explores just how deep Challenger Deep, the deepest known point in Earth’s oceans inside the Mariana Trench, really is.
https://storymaps.arcgis.com/stories/0d389600f3464e3185a84c199f04e859
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Speculation Rules changed my mind about prefetching
The author shares how the Speculation Rules API changed his mind about prefetching, using a small JSON rule set to let the browser conservatively prefetch same-origin links only as the user begins to click, balancing speed against wasted bandwidth and battery.
https://dri.es/speculation-rules-changed-my-mind-about-prefetching
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Building from Zero After Addiction, Prison, and a Felony
A candid personal story of surviving a maximum-security juvenile prison at 14, becoming a felon at 19, and losing nearly everything to addiction, then rebuilding a life through software and open source, written to encourage anyone in similar circumstances.
https://gavinray97.github.io/blog/building-from-zero-after-addiction-prison-felony
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MusicDecoy
A macOS app that does literally nothing, but by sharing the com.apple.Music bundle identifier while running, it stops Music.app from auto-launching when you accidentally hit Play, all at 0% CPU.
https://github.com/FuzzyIdeas/MusicDecoy
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My tech stack (2026)
A snapshot of the tools the author actually uses daily in 2026: Arch Linux, i3, X11, the OpenSnitch application firewall, VS Code/Zed/Sublime, Firefox, and AI coding agents paired with a local LLM.
https://tuananh.net/2026/06/04/tech-stack/
Feel free to follow my blog at www.bboy.app
Have Fun