leveled’s gists

leveled / check_word_size_macos.sh

Created June 25, 2021 20:04

Check word size on MacOS machine

getconf LONG_BIT

leveled / restart_gnome_shell.sh

Created March 6, 2021 00:39

Restart Gnome Shell

busctl --user call org.gnome.Shell /org/gnome/Shell org.gnome.Shell Eval s 'Meta.restart("Restarting…")'

leveled / macos_version.sh

Created February 23, 2021 12:52

Return MacOS Version Via Terminal

sw_vers -productVersion

leveled / show_listening_tcp_ports.sh

Created February 23, 2021 12:41

Show listening tcp ports on MacOS

netstat -an -ptcp

leveled / try_except_finally.py

Created February 22, 2021 01:00

Try except finally example block in python

	try:
	f = open("demofile.txt")
	f.write("Lorum Ipsum")
	except:
	print("Something went wrong when writing to the file")
	finally:
	f.close()

leveled / asterisk_unpacking.py

Created February 22, 2021 00:49

Asterisk unpacking cheatsheet in Python

	#Unpack tuples
	>>> fruits = ['lemon', 'pear', 'watermelon', 'tomato']
	>>> first, second, *remaining = fruits
	>>> remaining
	['watermelon', 'tomato']
	>>> first, *remaining = fruits
	>>> remaining
	['pear', 'watermelon', 'tomato']
	>>> first, *middle, last = fruits
	>>> middle

leveled / capture_all_keyword_arguments.py

Created February 22, 2021 00:46

Capture all keyword arguments provided to a function in Python

	def tag(tag_name, **attributes):
	attribute_list = [
	f'{name}="{value}"'
	for name, value in attributes.items()
	]
	return f"<{tag_name} {' '.join(attribute_list)}>"

	>>> tag('a', href="http://treyhunner.com")
	'<a href="http://treyhunner.com">'
	>>> tag('img', height=20, width=40, src="face.jpg")

leveled / capture_all_positional_args.py

Created February 22, 2021 00:46

Capture an unlimited number of positional arguments given to a function in Python

	from random import randint

	def roll(*dice):
	return sum(randint(1, die) for die in dice)

	>>> roll(20)
	18
	>>> roll(6, 6)
	9
	>>> roll(6, 6, 6)

leveled / unpacking_iterables.py

Created February 22, 2021 00:41

Unpacking iterables in Python cheatsheet

	>>> fruits = ['lemon', 'pear', 'watermelon', 'tomato']
	>>> print(fruits[0], fruits[1], fruits[2], fruits[3])
	lemon pear watermelon tomato
	>>> print(*fruits)
	lemon pear watermelon tomato

	>>> date_info = {'year': "2020", 'month': "01", 'day': "01"}
	>>> filename = "{year}-{month}-{day}.txt".format(**date_info)
	>>> filename
	'2020-01-01.txt'

leveled / zip.py

Last active February 22, 2021 00:38

using the zip function python

	fahrenheit = {'t1':-30, 't2':-20, 't3':-10, 't4':0}

	#Get the corresponding `celsius` values
	celsius = list(map(lambda x: (float(5)/9)*(x-32), fahrenheit.values()))

	#Create the `celsius` dictionary
	celsius_dict = dict(zip(fahrenheit.keys(), celsius))

adi leveled