rd13’s gists

rd13 / gist:7372240

Created November 8, 2013 15:01

Enigma Javascript

	;'use strict';

	enigma = (function() {

	var _rotors = [ 'EKMFLGDQVZNTOWYHXUSPAIBRCJ',
	'AJDKSIRUXBLHWTMCQGZNPYFVOE',
	'BDFHJLCPRTXVZNYEIWGAKMUSQO'
	]
	, _reflector = "YRUHQSLDPXNGOKMIEBFZCWVJAT"
	, _alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

rd13 / gist:7372208

Created November 8, 2013 14:59

Enigma C++

	#include <iostream>
	#include <cstring>
	using namespace std;

	char alpha[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	char rotors[3][27] =
	{
	"EKMFLGDQVZNTOWYHXUSPAIBRCJ",
	"AJDKSIRUXBLHWTMCQGZNPYFVOE",
	"BDFHJLCPRTXVZNYEIWGAKMUSQO"

rd13 / Gemfile

Created June 3, 2013 15:08

Rails / AngularJS / Chart.js - Line chart example directive

	gem 'angularjs-rails'
	gem 'chart-js-rails'

rd13 / Bikes.m

Last active December 17, 2015 11:58

	#import "Bikes.h"

	static sqlite3 *database = nil;
	static sqlite3_stmt *detailStmt = nil;

	@implementation Bikes

	@synthesize BikesID, BikesName, price, isDirty, modelCount;
	@synthesize modelName,modelID,modelType,groupCount,modelBrand;
	@synthesize year,category,displacement,power,topSpeed,fuelConsumption,powerWeightRatio,naughtSixty,torque;

rd13 / gist:5561606

Created May 11, 2013 22:11

Javascript - Swap adjacent letters

	letterSwap = function(str, swap) {
	ot = str.split('');
	for( i in str) {
	if(i%swap===0) {
	ot[i] = str[parseInt(i)+swap-1];
	ot[parseInt(i)+swap-1] = str[i];
	}
	}
	return ot.join('');
	}

rd13 / gist:5539825

Created May 8, 2013 11:20

Count the number of matches in a given string.

	function matches(str, find) {
	var regex = new RegExp(find,"gi");
	return str.match(regex).length;
	}

	console.log(matches("I learned to play the Ukulele in Lebanon.", "le"));

rd13 / javascript-find-all.js

Created May 8, 2013 11:19

String search functions in Javascript, tests with and without Regex. Summary: Regex is faster. http://jsperf.com/javascript-find-all

	// http://jsperf.com/javascript-find-all

	function indexes(str, find) {
	var result = [];
	for(i=0;i<str.length; ++i) {
	if (str.substring(i, i + find.length) == find) {
	result.push(i);
	}
	}
	return result;

rd13 / gist:5367834

Created April 11, 2013 22:49

Javascript function to pre-populate multiple 2D arrays

	populateEmptyArrays = function(vars, num) {
	//Function to pre-populate multiple 2D arrays
	//vars = Array of variable names to pre-populate with arrays
	//num = Array size
	if(!(vars instanceof Array) \|\| isNaN(num)) return;

	for(i in vars) {
	window[vars[i]] = (function(a){ while(a.push([]) < num); return a})([])
	}
	}

rd13 / gist:5320930

Created April 5, 2013 17:05

Regex to match square brackets at end of string

	$v = "Muse - Supermassive Black Hole[Dubstep Version][muse.mp3]";

	//Match ending [], that contains .mp3
	preg_match("/\[([^]]*.mp3+)\]$/i", $v, $match);

	//Remove [] from matched string
	$track_url = preg_replace('/[[\]]/', '', $match[0]);

	//Remove mp3 link from title
	$track_title = preg_replace("/\[([^]]*.mp3+)\]$/i", '', $v);

rd13 / gist:5281231

Created March 31, 2013 16:43

Nokogiri / Rails - Parse currency conversion rates

	doc = Nokogiri::HTML(open("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml"))
	doc.remove_namespaces!
	doc.xpath("//Cube/Cube/Cube").each do \|node\|
	puts node.attr("rate")
	end

Stuart Rutter rd13