Ben Chuanlong Du's Blog

It is never too late to learn.

Embed File in Golang Binary

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps

  1. My understanding is that embeded files are loaded into memory, which means that the Go app might consume large memory if you embed a large file.

  2. The "embed" package does not work with the Gophernotes kernel (for Jupyter/Lab notebooks).

Run System Command in Go

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Comments

  1. exec.Command takes a shell command and optional arguments passed to the shell command, e.g., exec.Command("ls", "-lha"). It does not work if you pass a shell command with arguments as a single string to exec.Command

Extended Globbing in Bash

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Enable Extended Globbing

shopt -s extglob

Or you can run bash with the option -O extglob.

/bin/bash -O extglob -c "your command to run"

Set Shell to be Bash with …

Tips on rustup

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Install rustup

Linux and macOS

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | bash -s -- -y

Rust tools (rustc, cargo, rustup, etc) will be added to Cargo's bin directory …