eric1234

DB-backed Hash for Ruby

Useful to store random bits of config that don't fit neatly elsewhere. Installation (using gist-dep):

gist-dep add -p app/models 519630/db_config.rb
gist-dep add -p db/migrate/20151211193900_add_config.rb 519630/migration.rb
gist-dep add -p test/models 519630/db_config_test.rb

Sure there is true key/value stores like redis that are better in most ways. But sometimes you have just a bit of key/value that you need, you are already using ActiveRecord and don't want to complexity of yet another DB. Usage:

	data = DATA.read.split("\n").collect {\|row\| row.split(' ').collect(&:to_i)}

	possible = []
	width = data.size
	for i in (0...width)
	for j in (0...width)
	possible << (0...4).inject(1) {\|t, k\| t * data[i][j+k]} unless j+3 >= width
	possible << (0...4).inject(1) {\|t, k\| t * data[i+k][j]} unless i+3 >= width
	possible << (0...4).inject(1) {\|t, k\| t * data[i+k][j+k]} unless i+3 >= width \|\| j+3 >= width
	possible << (0...4).inject(1) {\|t, k\| t * data[i+k][j-k]} unless i+3 >= width \|\| j-3 < 0

	require 'rubygems'
	require 'heroku'
	require 'sinatra'

	get '/' do
	# Replace XXXX@YYYYY.com with account email and ZZZZZZ with password.
	# Replace APP_NAME with the app you want to restart
	Heroku::Client.new('XXXX@YYYYY.com', 'ZZZZZZ').restart 'APP_NAME'
	'Successfully restarted'
	end

	/**
	* A shadowbox player that replaces the inline (html) player with one
	* that will move the content instead of copying it. This preserves
	* any callbacks registered on the content, fields populated by the
	* user, and ensures element id's are unique.
	*
	* To use just include after including shadowbox and the implementation
	* of the HTML player will be adjusted.
	*
	* Note this player is dependent of Prototype but could probably easily

	Array.prototype.random = function() {
	return this[parseInt(Math.random() * this.length)];
	}

	String.random = function(len) {
	var chars = $R('a', 'z').toArray().concat($R('A', 'Z').toArray());
	return $R(1, len).inject('', function(m, i) {return m + chars.random()});
	}

	CKEDITOR.lang.load('en', 'en', function() {
	CKEDITOR.lang['en']['numberedlist'] = 'Numbers';
	CKEDITOR.lang['en']['bulletedlist'] = 'Bullets';
	CKEDITOR.replace('project_description', {
	toolbar: [['Bold', 'Italic', '-', 'NumberedList', 'BulletedList']],
	toolbarCanCollapse: false,
	resize_enabled: false,
	customConfig: '',
	removePlugins: 'elementspath'
	});

	# Handles image swapping on the given element
	class @HoverImage

	constructor: (img) ->

	# If a string is given then find the element by that id in the document
	# If element given then just use element. Also assume the element (item
	# that monitors events) is the same as the image (thing we are swapping).
	@element = @img = if img instanceof String
	HoverImage.css('#'+img)[0]

	var ImageDefer = Class.create({
	initialize: function(placeholder) {
	this.placeholder = $(placeholder);

	this.placeholder.update('Loading image...');
	if(ImageDefer.page_loaded) {
	this.preload();
	} else {
	Event.observe(window, 'load', (function() {this.preload()}).bind(this));
	}

	# https://gist.github.com/eric1234/548690

	class @Marquee

	constructor: (@element, @options={}) ->
	@clean @element
	@stopped = true

	# Set defaults
	@options['duration'] or= 30

	/* Manages the initialization rotation of banner images */
	var Banner = Class.create({
	/*
	* The first image needs to be a <img> element that already exists
	* on the page. We rely on the browser to load that image as the page
	* is loading. All other images are then passed in as a URL which
	* is then managed by this script. For example:
	*
	* new Banner('first-image', '/images/banner-2.png', '/images/banner-3.png');
	*