Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on Golang

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

Tips and Traps

  1. The package main tells the Go compiler that the package should compile as an executable program instead of a shared library. The main function in the main package is the entry point of the program.

Tips on macOS

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

  1. Print Mac OS X operating system version information.

    sw_vers -productName
    
  2. You can use Homebrew to install applications in Mac similar to the command apt-get or wajig in Debian series of Linux …

Enable and Disable Key Repeating in macOS

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

  1. Run the following command in terminal and then restart your Mac to enable key repeating by pressing and holding.

    defaults write -g ApplePressAndHoldEnabled -bool false
    
  2. Run the following command in terminal …

Shortcuts in macOS

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

Customize Keybindings

You can customize keybindings by editing the file ~/Library/KeyBindings/DefaultKeyBinding.dict . For example, to disable the system keybinding Alt + e and Alt + . (so that they can be used …

Manage Python Projects Using uv

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

Installation

curl -LsSf https://astral.sh/uv/install.sh | sh

curl -LsSf https://astral.sh/uv/install.sh | env UV_INSTALL_DIR="/usr/local/bin" sh

curl -LsSf https://astral.sh/uv/install …