Matthew Cole colematt

Common symbols

Modifiers

When a key combination is displayed, the modifiers are written in the order presented here. For example, Control + Option + Shift + Command + Q would be written as ⌃⌥⇧⌘Q.

Sym	Key	Alt
⌃	Control
⌥	Option

Using clipboard from shell in MacOS

Copy standard output to the clipboard

cat file.txt | pbcopy

Capture from standard error to the clipboard

Pass the GTK_THEME environment variable to the app:

$ GTK_THEME=<theme> <path>

You can replace <theme> with any available theme:

$ ls /usr/share/themes

	#!/usr/bin/env python3

	import sys
	import os.path

	def isELF(path):
	with open(path, "rb") as fp:
	return tuple(fp.read(4)) == (0x7F, 0x45, 0x4C, 0x46)

	def isUniversalMachO(path):

	#!/usr/bin/env python3

	def transpose(matrix):
	"Swap the rows and columns of a 2-D matrix."
	return [list(row) for row in zip(*matrix, strict=True)]


	def rotate(matrix):
	"""
	Rotate a matrix 90 degrees clockwise

	% LaTeX tabular which is oriented in landscape and takes the entire page
	\begin{landscape}
	\begin{table}[h]
	\centering
	\resizebox{\textwidth}{!}{%
	\begin{tabular}{\|c\|c\|c\|}
	\hline
	Header 1 & Header 2 & Header 3 \\ \hline
	Item 1 & Item 2 & Item 3 \\ \hline
	Item 4 & Item 5 & Item 6 \\ \hline

	// Assuming 64-bit long
	unsigned long np2(unsigned long x) {
	--x;
	x \|= x >> 1;
	x \|= x >> 2;
	x \|= x >> 4;
	x \|= x >> 8;
	x \|= x >> 16;
	x \|= x >> 32;
	++x;

	#include <locale.h>
	#include <stdio.h>

	int main(int argc, char* argv[]){

	setlocale(LC_ALL, "");
	printf("LC_ALL: %s\n", setlocale(LC_ALL, NULL));
	printf("LC_CTYPE: %s\n", setlocale(LC_CTYPE, NULL));

	return 0;

	# Check to see if a package named ansible is installed
	if [ "$(dpkg -l \| awk '/ansible/ {print }'\|wc -l)" -ge 1 ]; then
	echo OK
	else
	echo FAIL
	fi

	// sudo apt update && apt install wordnet-dev
	#include <stdio.h>
	#include <stdlib.h>

	char pickword(char file)
	{
	FILE *fp = fopen(file, "r");
	if (!fp) perror(file), exit(1);
	fseek(fp, 0, SEEK_END);
	long end = ftell(fp);