Qing Wu – Medium

Qing Wu

Qing Wu

Install Java with Asdf

For some reason, I needed to install Java on my work laptop, which is a Macbook Pro. I could use Homebrew, but it would only allow me to…

Jul 12, 2020

Jul 12, 2020

Qing Wu

Reset forgotten hex local password

Hex is the package manager for the Erlang ecosystem. When you first install it with mix local.hex and authenticate with your hex.pm…

Aug 4, 2019

Aug 4, 2019

Qing Wu

Better tooling for development with Elixir

We ❤️ Elixir, so we want to the development process as smooth as possible. Fortunately there are various tools that can help with the…

Aug 3, 2019

Aug 3, 2019

Qing Wu

Make a shell command always succeed

In bash and many other shells, zero is called successful exit status code, whereas any non-zero codes are failure exit codes. That is to…

Jul 20, 2019

Jul 20, 2019

Qing Wu

Remap Caps Lock to ESC on macOS

As a vim user, I always wanted to remap Caps Lock to ESC on my Mac computers. In the past, this required a third party app named Seil and…

May 15, 2018

Remap Caps Lock to ESC on macOS

May 15, 2018

Qing Wu

Restore Gem to original state after bundle open

When trying to understand how a gem works,

Dec 19, 2017

Dec 19, 2017

Qing Wu

Elixir’s quote and unquote

For a very long time, I had a hard time trying to understand how macros work in Elixir. Since I don’t have any Lisp background, that’s a…

Jan 21, 2017

Jan 21, 2017

Qing Wu

Qing Wu

Web dev in Sydney. Mostly playing with Elixir, used to know a bit about Ruby, C#, PHP, C/C++. Now ❤️ Functional Programming

Following

Help
Status
About
Careers
Press
Blog
Privacy
Terms
Text to speech
Teams