Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on YAML

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

General Tips and Traps

  1. YAML is much better alternative to JSON. TOML is another good alternative to YAML.

Ranges in YAML

https://stackoverflow.com/questions/48199439/use-range-with-stepsize-in-yaml-file

YAML for Rust

Please …

Tips on ssh-keygen

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

Use the following command to generate new RSA keys without prompt questions.

ssh-keygen -q -y -t rsa -N '' -f ~/.ssh/id_rsa

`ifelse` on Pandas Series

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

Series.apply + Lambda Function

DataFrame.apply + Lambda Function

axis=1: apply the lambda function on each row

List Comprehension

numpy.where

numpy.where is vectorized ifelse.