AeroPlay: A Flight-Mode Game Hub

AeroPlay is a mobile-first offline game hub designed to work in airplane mode with local assets and saved progress.

June 3, 2026 · 2 min · 304 words · Jack Yu

Bedrock Lab: A Behavior Pack as a Small Rules Sandbox

Bedrock Lab is a small Minecraft Bedrock behavior pack for testing gameplay rule changes without experimental toggles.

June 2, 2026 · 2 min · 304 words · Jack Yu

cta-guard: Risk Controls Before Trading Logic

cta-guard is a private trading-system project where the most publishable lesson is risk control, not strategy details.

May 31, 2026 · 2 min · 326 words · Jack Yu

TapSurge: An iPad Tap-Speed Tool Built for Competition Use

TapSurge is an offline-first iPad tap-speed test that records multi-finger input with audit-friendly timing.

May 24, 2026 · 2 min · 369 words · Jack Yu

Minifish Lab Projects

A living map of the small systems, tools, experiments, and prototypes I keep under Minifish Lab.

May 24, 2026 · 4 min · 664 words · Jack Yu

The Correct Way to Use `go build`

When working with Go, it’s important to know the proper way to compile your programs to avoid common errors. Here are some tips on using the go build command effectively.

November 28, 2024 · 1 min · 163 words · Jack Yu

How to Configure a Chinese LaTeX Environment on Windows

Initially, I didn’t think this was something worth writing about, because CTex was previously working smoothly for everyone. However, it turns out that CTex hasn’t been updated…

March 31, 2021 · 3 min · 455 words · Jack Yu

Using delve to Debug Golang Programs

When I first started writing Golang, I was always looking for a convenient debugging tool. Back then, I came across documentation about using gdb to debug and also tried delve,…

September 16, 2019 · 3 min · 613 words · Jack Yu

How Immediate is Golang's Panic

Let’s first look at the following code snippet:

July 26, 2018 · 2 min · 238 words · Jack Yu

How to Use Monospaced Fonts in VS Code

The English font set in Microsoft’s VS Code is monospaced, while the Chinese font is not.

December 26, 2017 · 1 min · 61 words · Jack Yu