kerenskybr’s gists

kerenskybr / populate.py

Created October 6, 2022 13:49

Another way to populate a dict when using enumerate

	# Another way to populate a dict when using enumerate
	my_dict = {}
	my_string = 'Something'

	for i, my_dict[i] in enumerate(my_string):
	pass

	# Output:
	# {0: 'S', 1: 'o', 2: 'm', 3: 'e', 4: 't', 5: 'h', 6: 'i', 7: 'n', 8: 'g'}

kerenskybr / group_substrings.py

Created April 20, 2021 17:13

Grouping similar substrings in list

	from itertools import groupby

	test_list = ['geek_1', 'coder_2', 'geek_4', 'coder_3', 'pro_3']

	test_list.sort()

	res = [list(i) for j, i in groupby(test_list,
	lambda a: a.split('_')[0])]

	#The original list is : [‘coder_2’, ‘coder_3’, ‘geek_1’, ‘geek_4’, ‘pro_3’]

kerenskybr / concat_same_key_values.py

Created April 20, 2021 17:11

	test_list = [{'gfg' : [1, 5, 6, 7], 'good' : [9, 6, 2, 10], 'CS' : [4, 5, 6]},
	{'gfg' : [5, 6, 7, 8], 'CS' : [5, 7, 10]},
	{'gfg' : [7, 5], 'best' : [5, 7]}]

	# Concatenate Similar Key values
	# Using loop
	res = dict()
	for dict in test_list:
	for list in dict:
	if list in res:

kerenskybr / sub_key.py

Created April 20, 2021 17:09

Get first element of sublist as dictionary key

kerenskybr / flat.py

Created April 20, 2021 17:08

Flattening a list of lists

	#Given a list of lists t
	flat_list = [item for sublist in t for item in sublist]

	flat_list = []
	for sublist in t:
	for item in sublist:
	flat_list.append(item)

	# OR
	flatten = lambda t: [item for sublist in t for item in sublist]

kerenskybr / websocket_client.py

Last active April 5, 2021 13:26

Script to test websockets with/out luminati proxy

	import websocket
	try:
	import thread
	except ImportError:
	import _thread as thread
	import time
	import argparse
	import socks

	parser = argparse.ArgumentParser()

kerenskybr / intersection.py

Last active November 22, 2022 19:53

Function to find intersection between two lines

	def intersection(horizontal, vertical):
	# https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection
	# Horizontal x y x y
	# Vertical x y x y
	# x1, y1, x2, y2, x3, y3, x4, y4
	# 0 1 2 3 0 1 2 3
	result = []

	x1, x2, x3, x4, y1, y2, y3, y4 = int(horizontal[0]), int(horizontal[2]), int(vertical[0]), int(vertical[2]), int(horizontal[1]), int(horizontal[3]), int(vertical[1]), int(vertical[3])

kerenskybr / clean_blocks.py

Created December 8, 2020 14:36

Function to clean all data created in runtime to free memory (blender script)

	def clean_blocks():
	for block in bpy.data.meshes:
	if block.users == 0:
	bpy.data.meshes.remove(block)

	for block in bpy.data.materials:
	if block.users == 0:
	bpy.data.materials.remove(block)

	for block in bpy.data.textures:

kerenskybr / load_img_opencv.py

Created December 8, 2020 11:50

Load images from a directory using opencv

	def load_images_from_folder(folder):
	images = []
	for filename in os.listdir(folder):
	img = cv2.imread(os.path.join(folder,filename))
	if img is not None:
	images.append(img)
	return images

kerenskybr / merge_list.py

Last active September 22, 2020 01:54

Merge together items from list of lists sequentially

	def merge_list(a_list):
	"""Merge together items from list of lists sequentially
	"""
	return [list(i) for i in list(zip(*a_list))]

	"""
	i. e.
	[[1,2,3], [4,5,6]]
	result:
	[[1,4], [2,5], [3,6]]

Roger Monteiro kerenskybr