Ipython

Tab completion <Tab>
- tab after command
- object.<tab>
introspection (?) operator after a variable (object)
- ?? show more if possible
Terminal Shortcuts
- follow Emacs keys and Linux shell keys
- Ctrl + Shift + V paste from clipboard
Command Line history
- Ctrl + P (Up), Ctrl + N (Down) : previous or next history (by %run)
- _ _and \_ stored previous two commands,
  - _<n> stores previous nth output
  - _i<n> previous nth input
    - eval(_i27)

%run, %load
- -d use debugger
  - c(continue), s(step)
  - !<var> to view variables
  - debugger commands
- -p
%prun - Execute with c profile statement
- %paste, %cpaste
- %%prun - profile code block
%lprun - line profiler
- uses line_profiler
- %lprun -f func1 -f func2 <statement to profile>
%quickref, %magic - documentation
%who, who_ls whos
- display variable
%xdel <variable>
- %reset - delete all variables
% pdb - use pdb to debug
- %debug : drops you to the stack frame after error is thrown
  - u and d to shift levels
%page Object
- pretty print object
%time, %timeit <statement>
- time time once, timeit takes multiple runs and average
command line ones
- !<cmd>
  - cmd in system shell
  - can combine with current python variables with $
    - ```
    foo = 'test*' # wildcard
    !ls $foo
```
- %alias <alias_name> <cmd>
  - give command alias
- %pwd
- %bookmark <name> <dir>
  - -b: override and use bookmark location
  - -l: list all bookmarks
- %cd
  - %pushd, %popd
- %dirs
- %ddhist
  - history of visited directories
- %env
  - environmental variables
Matplotlib
- %matplotlib: configure matplotlib options
  - %matplotlib inline

Ipython-Friendly Class
- __repr\_ _methods
Profiles and Configuration
- .ipython/profile_default/ipython_config.py
- .jupyter/
- ipython --profile=<profile>

Jupyter Notebook