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@joepie91
joepie91 / promises-faq.md
Last active June 25, 2023 09:02
The Promises FAQ - addressing the most common questions and misconceptions about Promises.
@jesstelford
jesstelford / event-loop.md
Last active October 16, 2025 15:48
What is the JS Event Loop and Call Stack?

Regular Event Loop

This shows the execution order given JavaScript's Call Stack, Event Loop, and any asynchronous APIs provided in the JS execution environment (in this example; Web APIs in a Browser environment)


Given the code

#!/usr/bin/env bash #adding this to force silly gist highlighting. REMOVE THIS
# This is a modified version of the script generated by https://docs.npmjs.com/cli/completion to include `npm install` autocompletion.
# Basically we added `if` blocks to check for `install` subcommand.
###-begin-npm-completion-###
#
# npm command completion script
#
# Installation: npm completion >> ~/.bashrc (or ~/.zshrc)
@jeffposnick
jeffposnick / offline-analytics.js
Created April 22, 2016 14:57
Standalone offline analytics code
/*
Copyright 2016 Google Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
@mxstbr
mxstbr / idea.md
Last active February 16, 2021 18:33
Code splitting react-router routes with webpack 2

NOTE: Sokra confirmed I had a misunderstanding, Webpack is still a static build tool and the below won't work. It's still a nice concept though...

With webpack 1, code splitting react-router routes is quite tedious. It requires us to repeat the getComponent function over and over again. (See here for an explanation how it works with webpack 1)

Example:

<Router history={history}>
  <Route
    path="/"
@adactio
adactio / basicServiceWorker.js
Last active March 27, 2023 09:30
A basic Service Worker, for use on, say, a blog.
'use strict';
// Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// http://creativecommons.org/publicdomain/zero/1.0/
(function() {
// Update 'version' if you need to refresh the cache
var staticCacheName = 'static';
var version = 'v1::';
@gokulkrishh
gokulkrishh / media-query.css
Last active December 27, 2025 17:57
CSS Media Queries for Desktop, Tablet, Mobile.
/*
##Device = Desktops
##Screen = 1281px to higher resolution desktops
*/
@media (min-width: 1281px) {
/* CSS */
@faulancr
faulancr / Firefox_Devtools_Responsive_Presets.json
Last active March 31, 2017 14:10
Firefox Developer Tools Responsive Presets
[{"key":"320 x 480","name":"iPhone 3/4/S","width":320,"height":480},
{"key":"320 x 568","name":"iPhone 5/C","width":320,"height":568},
{"key":"375 x 667","name":"iPhone 6/S","width":375,"height":667},
{"key":"414 x 736","name":"iPhone 6/S Plus","width":414,"height":736},
{"key":"768 x 1024","name":"iPad1/2/3/4/Air","width":768,"height":1024},
{"key":"1024 x 1366","name":"iPad Pro","width":1024,"height":1366},
{"key":"320 x 533","name":"Samsung S/S2/S3mini","width":320,"height":533},
{"key":"360 x 640","name":"Samsung S3/S4/S5/Note2/3/4","width":360,"height":640},
{"key":"400 x 640","name":"Samsung Note","width":400,"height":640},
{"key":"800 x 1280","name":"Samsung Galaxy Tab 8.9/10","width":800,"height":1280},
@esamattis
esamattis / application.html.erb
Last active May 19, 2019 00:36
React hot reloading with Webpack for Ruby on Rails
<script charset="utf-8">
<% if ENV["RAILS_ENV"] == "production" %>
var script = "/react-app-bundle.js";
<% else %>
console.warn("Development mode. Make sure to start 'node devServer.js'");
var script = "http://" + (location.host || 'localhost').split(':')[0] + ":4000/react-app-bundle.js"
<% end %>
document.write('<script src="' + script + '"></' + 'script>');
</script>