Usual pyenv, poetry, tmux commands

commands

** Note: 
  alt = option key on Mac
  PageUp/PageDown = fn+up/down on Mac

# Pyenv

## Install pyenv
brew install pyenv

## After installing pyenv don't forget to add pyenv init commands to your `.zshrc` or `.bashrc` file
## (look for info in pyenv repo on github).

## Upgrade pyenv (new versions of python supported by pyenv come with each upgrade)
brew upgrade pyenv

## Show all python versions on the machine
pyenv versions

## Find if certain version is supported
pyenv install -l | grep 3.9.2

## Install certain version
pyenv install 3.9.2

## Make pyenv auto-use specific version of python in current dir
pyenv local 3.9.2

## Spawn a shell with specific version of python anywhere
pyenv shell 3.9.2


# Poetry

## Install poetry
brew install poetry

## Make poetry use certain python version from pyenv
poetry env use 3.9.2

## Initialize new `pyproject.yaml` in the current directory interactively
poetry init

## In existing poetry-based python project create a virtual environment and install dependencies
poetry install

## Update all dependencies
poetry update

## Add a new dependency
poetry add requests

## Add new dev dependency
poetry add --dev ipython

## Run a command inside virtual environment
poetry run <my command>

### Examples:
### 1. Run a script using python from virtual evn (all dependencies are available)
poetry run python myscript.py

### 2. Run a script declared as `poetry.tool.scripts` in `pyproject.toml`
poetry run <script name>

## Spawn a shell in virutal environment
poetry shell

## Display information about virtual environment
poetry env info


# Tmux

## Create new session (enter in the terminal without tmux)
tmux new -s <session name>

## Attach to existing session (enter in the terminal without tmux)
tmux a -t <session name>

## Kill existing session (enter in the terminal without tmux)
tmux kill-ses -t <session name>

## Create new window/tab (when inside session)
Ctrl+B -> c

## Close current window/tab (when inside)
Ctrl+B -> x

## Quit/detach from current session (when inside)
Ctrl+B -> d

## Rename current window/tab (when inside)
Ctrl+B -> ,

## Jump to next window/tab (when inside)
Ctrl+B -> n

## Jump to previous window/tab (when inside)
Ctrl+B -> p

## Jump to certain window/tab by index (when inside). Here we jump to window with index 1
Ctrl+B -> 1

## Split current window vertically (will result in 2 subwindows on the left and on the right side)
Ctrl+B -> %

## Split horizontally (one subwindow on the top and one on the bottom)
Ctrl+B -> "

## Jump between splits
Ctrl+B -> Left/Right/Top/Down arrows


# Bash


## Jump one word forward
Alt + f

## Jump one word back
Alt + b

## Jump to the end of the line
Ctrl + e

## Jump to the beggining
Ctrl + a

## Delete one word backwards from current cursor position
Ctrl + w

## Delete everything from current position to the beginning of the line
Ctrl + u