un33k / sed cheatsheet

Created August 22, 2011 13:28

magic of sed -- find and replace "text" in a string or a file


	FILE SPACING:

	# double space a file
	sed G

	# double space a file which already has blank lines in it. Output file
	# should contain no more than one blank line between lines of text.
	sed '/^$/d;G'

robnyman / arraybuffer-blob-filereader-localStorage.js

Last active January 30, 2024 09:22

Get file as an arraybuffer, create blob, read through FileReader and save in localStorage

	// Getting a file through XMLHttpRequest as an arraybuffer and creating a Blob
	var rhinoStorage = localStorage.getItem("rhino"),
	rhino = document.getElementById("rhino");
	if (rhinoStorage) {
	// Reuse existing Data URL from localStorage
	rhino.setAttribute("src", rhinoStorage);
	}
	else {
	// Create XHR, Blob and FileReader objects
	var xhr = new XMLHttpRequest(),

anantn / firebase_detect_data.js

Created December 18, 2012 00:54

Firebase: Detecting if data exists. This snippet detects if a user ID is already taken

	function go() {
	var userId = prompt('Username?', 'Guest');
	checkIfUserExists(userId);
	}

	var USERS_LOCATION = 'https://SampleChat.firebaseIO-demo.com/users';

	function userExistsCallback(userId, exists) {
	if (exists) {
	alert('user ' + userId + ' exists!');

JMPerez / directions-map.js

Last active September 24, 2019 23:17

HTML5 geoposition + Google Geocoder as a fallback, used to show directions from user's current position to a given destination. See http://jmperezperez.com/google-maps-geolocation-directions-specific-destination/

	(function() {
	'use strict';
	var map, //the google map
	directionsService, //service that provides directions to reach our destination
	directionsDisplay, //renderer that draws directions on map
	destinationName = 'Ventorro del Cano, Madrid'; //our destination. Set yours!

	// providers
	var html5Provider = function() {
	return {

millermedeiros / example.js

Last active September 10, 2022 03:06

execute multiple shell commands in series on node.js

	// USAGE ------
	// ============

	var shell = require('./shellHelper');

	// execute a single shell command
	shell.exec('npm test --coverage', function(err){
	console.log('executed test');
	}});

magicznyleszek / jekyll-and-liquid.md

Last active January 25, 2025 20:12

Jekyll & Liquid Cheatsheet

A list of the most common functionalities in Jekyll (Liquid). You can use Jekyll with GitHub Pages, just make sure you are using the proper version.

Running

Running a local server for testing purposes:

larrybotha / A.markdown

Last active April 8, 2025 07:31

Export multiple artboards in Adobe Illustrator to png, or pdf

Export multiple Adobe Illustrator artboards to png, jpg, pdf

This is a reference to Matthew Ericson's article Export Illustrator Layers and/or Artboards as PNGs and PDFs in case something happens to happen to the article, and if I just forget where to find the exporter online.

Drop MultiExporter.js into /Applications/Adobe\ Illustrator\ CS6/Presets.localized/en_GB/Scripts
Restart Illustrator

omurphy27 / bootstrap collapse accordion with ACF repeater loop.php

Last active December 3, 2019 14:39

bootstrap collapse accordion with ACF repeater loop.php

	<?php if( have_rows('faqs') ): ?>
	<div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true">
	<?php $i=1; while ( have_rows('faqs') ) : the_row(); ?>
	<div class="panel panel-default">
	<div class="panel-heading" role="tab" id="heading-<?php echo $i; ?>">
	<h2 class="panel-title">
	<a data-toggle="collapse" data-parent="#accordion" href="#collapse-<?php echo $i; ?>" aria-expanded="true" aria-controls="collapseOne">
	<?php the_sub_field('question'); ?>
	</a>
	</h2>

omurphy27 / Bootstrap Tabs used with Advanced Custom Fields ACF PHP JS HTML.php

Last active February 4, 2025 21:32

Bootstrap Tabs used with Advanced Custom Fields ACF PHP JS HTML

	<?php if( have_rows('tabs') ): ?>
	<ul class="nav nav-tabs" id="myTab" role="tablist">
	<?php $i=0; while ( have_rows('tabs') ) : the_row(); ?>
	<?php
	$string = sanitize_title( get_sub_field('tab_title') );
	?>
	<li role="presentation" <?php if ($i==0) { ?>class="active"<?php } ?> >
	<a href="#<?php echo $string ?>" aria-controls="<?php echo $string ?>" role="tab" data-toggle="tab"><?php the_sub_field('tab_title'); ?></a>
	</li>
	<?php $i++; endwhile; ?>

ttola / Html2Canvas-CORS-Image-Hack.js

Last active September 26, 2018 11:11

	/* Change all src urls loaded from external urls
	* to dataUrls stored on the local storage.
	*/
	var changeAllSrcToDataUrl = function() {
	// Get all images on page or element to render
	$("img").each(function() {
	var image = this;
	// If it last image, proceed to canvas rendering
	var isLast = this === $("img")[$("img").length - 1] \|\| false;