Jacob Sánchez sanjacob

Cheat Sheets are greate but they are not a substitute for learning the framework and reading the documentation as we most certainly have not covered every potential example here. Please refer to the Rails Command Line Docs for more information.

Command Line Generator Info

Reference

You can get all of this information on the command line.

rails generate with no generator name will output a list of all available generators and some information about global options. rails generate GENERATOR --help will list the options that can be passed to the specified generator.

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Creating toolbar buttons

Recently I was writing a post about NSButton styles on my blog, and when I got to the part about toolbar buttons (Textured Rounded), I realized that I actually had no idea how to create a toolbar in AppKit, so I had to do some research first. I found some help in this sample project from Apple and this project on GitHub, and then I did some experiments with different combinations of things to see what works where.

This could probably be a whole separate blog post on its own (and maybe I'll make this into one), but for now I've put it here to not make that main article even longer.

Here's what I've found:

There are a few different kinds of buttons you can put in the toolbar:

	literally always have to look up the meaning of :limit in migrations when it comes to integer values. Here's an overview. Now let's memorise it (oh, this works for MySQL, other databases may work differently):

	:limit Numeric Type Column Size Max value
	1 tinyint 1 byte 127
	2 smallint 2 bytes 32767
	3 mediumint 3 byte 8388607
	nil, 4, 11 int(11) 4 byte 2147483647
	5..8 bigint 8 byte 9223372036854775807

	Note: by default MySQL uses signed integers and Rails has no way (that I know of) to change this behaviour. Subsequently, the max. values noted are for signed integers.

	<?php

	/**
	* First, we're going to establish an alphabet. We're never going to write code like:
	*
	* $foo = 'abc'
	*
	* Because it would be too easy to read. Instead, were' going to write code like:
	*
	* $alphabet = 'abcdefghijklmnopqrstuvwxyz';

	# https://gist.github.com/althonos/6914b896789d3f2078d1e6237642c35c

	[metadata]
	name = {name}
	version = file: {name}/_version.txt
	author = Martin Larralde
	author_email = [email protected]
	url = https://github.com/althonos/{name}
	description = {description}
	long_description = file: README.md