Loïc Lissens LoicLissens

Docker Commands, Help & Tips

Show commands & management commands

$ docker

Docker version info

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

What's an Effective Engineer?

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

All hex value from 100% to 0% alpha:

Ruby on Rails Cheatsheet

Architecture

Create a new application

Install the Rails gem if you haven't done so before

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

	# @ https://cheat.readthedocs.io/en/latest/python/mock.html

	obj.call_count # number of times it was called
	obj.called == obj.call_count > 0
	obj.call_args_list # a list of (args,kwargs), one for each call
	obj.call_args # obj.call_args_list[-1] (args,kwargs from last call)
	obj.return_value # set to what it should return
	obj.side_effect # set to an exception class or instance that should be raised when its called
	obj.assert_called() # doesn't work with autospec=True? just assert obj.called
	obj.assert_called_with(args, kwargs) # last call was with (args, **kwargs)

	<?php

	//check if form was sent
	if($_POST){

	$to = '[email protected]';
	$subject = 'Testing HoneyPot';
	$header = "From: $name <$name>";

	$name = $_POST['name'];

	// from http://scratch99.com/web-development/javascript/convert-bytes-to-mb-kb/
	function bytesToSize(bytes) {
	var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
	if (bytes == 0) return 'n/a';
	var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
	if (i == 0) return bytes + ' ' + sizes[i];
	return (bytes / Math.pow(1024, i)).toFixed(1) + ' ' + sizes[i];
	};