Alex ActualAl

lukeplausin / bash_aws_jq_cheatsheet.sh

Last active January 4, 2025 17:42

AWS, JQ and bash command cheat sheet. How to query, cut and munge things in JSON generally.

	# Count total EBS based storage in AWS
	aws ec2 describe-volumes \| jq "[.Volumes[].Size] \| add"
	# Count total EBS storage with a tag filter
	aws ec2 describe-volumes --filters "Name=tag:Name,Values=CloudEndure Volume qjenc" \| jq "[.Volumes[].Size] \| add"
	# Describe instances concisely
	aws ec2 describe-instances \| jq '[.Reservations \| .[] \| .Instances \| .[] \| {InstanceId: .InstanceId, State: .State, SubnetId: .SubnetId, VpcId: .VpcId, Name: (.Tags[]\|select(.Key=="Name")\|.Value)}]'
	# Wait until $instance_id is running and then immediately stop it again
	aws ec2 wait instance-running --instance-id $instance_id && aws ec2 stop-instances --instance-id $instance_id

	# Get 10th instance in the account

dgritsko / Alphabet.cs

Created March 14, 2014 19:15

Naive bijective function in C#. http://stackoverflow.com/questions/742013

	namespace Alphabet
	{
	public class AlphabetTest
	{
	public static readonly string Alphabet = "abcdefghijklmnopqrstuvwxyz0123456789";
	public static readonly int Base = Alphabet.Length;

	public static string Encode(int i)
	{
	if (i == 0) return Alphabet[0].ToString();

clintongormley / load_test_data.sh

Last active November 28, 2025 02:45

Run these commands in your shell to setup the test data for Chapter 5

	curl -XPUT 'http://localhost:9200/us/user/1?pretty=1' -d '
	{
	"email" : "[email protected]",
	"name" : "John Smith",
	"username" : "@john"
	}
	'

	curl -XPUT 'http://localhost:9200/gb/user/2?pretty=1' -d '
	{

MohamedAlaa / tmux-cheatsheet.markdown

Last active December 8, 2025 03:35

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

henrik / tmux_cheatsheet.markdown

Created March 3, 2012 19:47

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name: