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# example output
# __main__ - WARNING - This is a warning
# __main__ - ERROR - This is an error

import logging

# Create a custom logger
logger = logging.getLogger(__name__)

# Create handlers

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grouped_df = data.groupby('col')
num_subplots = grouped_df.ngroups

fig_corr = plt.figure(figsize=(15, 250))
count = 0
for name, group in grouped_df:
    # limit by n of observations in a group
    if group.shape[0] >= 100:
        count = count + 1
        ax_corr = fig_corr.add_subplot(round(num_subplots/3) + 1, 3, count)

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# source: https://realpython.com/primer-on-python-decorators/
# This formula is a good boilerplate template for building more complex decorators.
import functools

def decorator(func):
    @functools.wraps(func)
    def wrapper_decorator(*args, **kwargs):
        # Do something before
        value = func(*args, **kwargs)
        # Do something after

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from sklearn.metrics import r2_score, mean_squared_error
import matplotlib.lines as mlines
import matplotlib.transforms as mtransforms

def stats(value, pred):
    res = [
      {
        'metric': 'R2',
        'value' : r2_score(value, pred)
      }

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import pandas as pd
import mysql.connector.pooling

start_cred = {
  'db_user': <db_user>,
  ...
}
cnx =  mysql.connector.pooling.MySQLConnectionPool(**start_cred)
data = pd.read_csv('filename')

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Vim cheat sheet

Starting Vim

vim [file1] [file2] ...

---

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[user]
	name = <name>
	email = @gmail.com
	username = <username>
[core]
	editor = vim
	whitespace = fix,-indent-with-non-tab,trailing-space,cr-at-eol
	excludesfile = ~/.gitignore
[web]
	browser = google-chrome

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The Best of the Best Practices (BOBP) Guide for Python

A "Best of the Best Practices" (BOBP) guide to developing in Python.

In General

Values

• "Build tools for others that you want to be built for you." - Kenneth Reitz
• "Simplicity is alway better than functionality." - Pieter Hintjens

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tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

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" Configuration file for vim
" To customize it, copy to ~/.vimrc and edit!

set nocompatible        " Use Vim defaults (much better!)
set bs=2                " allow backspacing over everything in insert mode
set history=50          " keep 50 lines of command line history

set textwidth=0         " Don't wrap words by default
set ruler               " Show the line and column numbers of the cursor