CLI (4)
2026
Two ways to make Opus 5 concise
Opus 5 answers every question with a word salad. I used to fix it with a custom ASD-STE100 output style, now Claude Code has a built-in Concise mode.
2020
The input device is not a TTY - error on a build machine
Don't run Docker in interactive terminal mode on a headless build machine.
2019
Docker, bash and invisible characters
TTY might alter your container's output, beware of superfluous carriage returns.
Benchmark CLI commands with hyperfine
hyperfine is a command-line benchmarking tool providing statistical analysis across multiple runs on any platform.