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ArrayList and LinkedList are two commonly used classes in the Java Collections Framework. Both implement the List interface and allow duplicate elemen
Why I Stopped Paying for Tunnels and Built My Own (in 500 Lines of Rust) We’ve all been there: you’re working on a project, you need to sho
The first idea was simple. Take a log line. Look at suspicious parts. Count entropy. Hide anything that looks like a random secret. PII means person
Tool registration sounds like a lightweight module — scan directories, read files, fill a hash table. But doing it right and doing it reliably require
If you've ever built a Go tool that needed package metadata — documentation, versions, symbols, import counts — you already know the pain. You were ei
Every cryptography library says it's secure and performant. Very few can explain how that security is validated and how that performance is proven af
All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer. No sponsored opinion. Users enter their Gemini
It is genuinely wonderful to see the world of Classic ASP coming back to life. For a long time, it felt like a relic of the past, but the recent wave
People love to repeat that in Rust "if it compiles, it works". The compiler does kill a whole class of bugs, but it doesn't check your logic. A wrong
RubyConf holds a special place in my heart. It was the very first tech conference I attended after receiving a scholarship fresh out of Flatiron Schoo
Originally published at aaronqian.com. This is a design note for anyone bringing up a Dynamixel 2.0 servo on the CH32V006. You don't need prior DXL
I built an autonomous SRE system where a local LLM diagnoses production incidents, proposes a fix, and a deterministic engine decides whether that fix
Why a single binary matters for tunnel administration If you have ever stood up an SSH tunnel server on a fresh VPS, you know the real cost
I have a TRMNL on my desk. If you haven't seen one, it's a little e-ink display from trmnl.com that shows you whatever you tell it to: your calendar,
Tenho alguns arquivos de vídeo locais e queria algo mais simples que o Jellyfin ou Kodi, inteiramente no terminal. Não encontrei nada que servisse, en
A retrospective on toymq — a single-node persistent message broker in Go, recreated by hand to understand one of the smallest functional units in a d
If you have ever used the Stripe API, you’ve noticed their IDs look awesome. Instead of a random number or a long, confusing UUID, they look like this
Most Go CLIs start simple. You add Cobra, create a few commands, put the logic inside RunE, call fmt.Println, read a couple of flags, and ship it. F
The first time I saw context.Context, I thought: "Oh, a way to pass timeouts. Nice." I was wrong. Embarrassingly wrong. The kind of
A smart meter installed today has a 15-year service life. A medical device implanted this year may still be transmitting data in 2040. An industrial s