interesting-jupyter-tricks

• collect some interesting jupyter notebook tricks, say magics, widgets, and version control

Widgets

• interact widget https://blog.dominodatalab.com/interactive-dashboards-in-jupyter/

Magics

https://towardsdatascience.com/jupyter-notebook-hints-1f26b08429ad

autoreload

• use autoreload, and import .py package to effectively write code in vs code and run in notebook https://blog.godatadriven.com/write-less-terrible-notebook-code

• https://ipython.org/ipython-doc/3/config/extensions/autoreload.html

• usage:

%load_ext autoreload;
autoreload 2

writefile

• usage:

%%writefile pythoncode.py
import numpy
def append_if_not_exists(arr, x):
    if x not in arr:
        arr.append(x)

def some_useless_slow_function():
    arr = list()
    for i in range(10000):
        x = numpy.random.randint(0, 10000)
        append_if_not_exists(arr, x)

Version controls in jupyter notebook

• save a copy of the notebook in both Python script and HTML format whenever the notebook is saved https://towardsdatascience.com/version-control-for-jupyter-notebook-3e6cef13392d