Nikita Konodyuk konodyuk

gansanay / hdf_vs_feather.ipynb

Last active June 26, 2023 12:25

Compare HDF5 and Feather performance (speed, file size) for storing / reading pandas dataframes

Sorry, something went wrong. Reload?

Sorry, we cannot display this file.

Sorry, this file is invalid so it cannot be displayed.

tejaslodaya / apply_df_by_multiprocessing.py

Created February 3, 2017 09:12

pandas DataFrame apply multiprocessing

	import multiprocessing
	import pandas as pd
	import numpy as np

	def _apply_df(args):
	df, func, num, kwargs = args
	return num, df.apply(func, **kwargs)

	def apply_by_multiprocessing(df,func,**kwargs):
	workers=kwargs.pop('workers')

cbednarski / camera.py

Last active February 17, 2024 05:54

Webcam capture for python - Pops up a preview from your webcam and snaps a picture when you press 'q'

	import cv2

	# Windows dependencies
	# - Python 2.7.6: http://www.python.org/download/
	# - OpenCV: http://opencv.org/
	# - Numpy -- get numpy from here because the official builds don't support x64:
	# http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy

	# Mac Dependencies
	# - brew install python