Steps to Build a pex Environment File

1. Start a Python Docker image with the right version of Python interpreter installed. For example,

   docker run -it -v $(pwd):/workdir python:3.5-buster /bin/bash
   

2. Install pex.

   pip3 install pex
   

3. Build a pex environment file.

   pex --python=python3 -v pyspark findspark -o …

There are 2 ways.

1. Format the Python code using black, which will automatically convert single quotes to double quotes when applicable. (Note that you can format the code again using yapf if you want the code to formatted by yapf finally.)

2. Use the tool myint/unify to help you.

Ways to Open a Command Palette

1. Use Menu Menu -> View -> Command Palette....
2. Use the shortcut Shift + Command + P (on macOS).

You can search for commands in the Command Palette, which makes things very convenient.

Run Tests or a Python File

1. Open the Command Palette.
2. Search for Python: Run in the …

Collections

1. Prefer std::deque to std::vector when the size of the collection is unknow.

2. Suppose set A and B are two set with the same type and set C is another set with the same value type but a different comparison function, then it is still valid to insert …

General Tips

1. logging is a Python module for logging coming with the standard library while loguru is a popular 3rd-party logging library. Unless you do not want your Python package/script to depend on 3rd-party libraries, loguru is preferred to logging for multiple reasons.

   • loguru is easy and fun to …

This articles talks about special characters to avoid in various places. You might not encounter issues most of the time when violating rules stated below, however, you never know when things will break. It is more for a good-practice suggestion.

String for Shell

1. When you pass parameters from one program …