(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
// Intercepting HTTP calls with AngularJS. | |
angular.module('MyApp', []) | |
.config(function ($provide, $httpProvider) { | |
// Intercept http calls. | |
$provide.factory('MyHttpInterceptor', function ($q) { | |
return { | |
// On request success | |
request: function (config) { | |
// console.log(config); // Contains the data about the request before it is sent. |
"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.PlayPause" XF86AudioPlay | |
"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Stop" XF86AudioStop | |
"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Next" XF86AudioNext | |
"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Previous" XF86AudioPrevious |
var fs = require('fs'), | |
url = require('url'); | |
module.exports = function (rootDir, indexFile) { | |
indexFile = indexFile || "index.html"; | |
return function(req, res, next){ | |
var path = url.parse(req.url).pathname; | |
fs.readFile('./' + rootDir + path, function(err, buf){ |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
// array utils | |
// ================================================================================================= | |
const combine = (...arrays) => [].concat(...arrays); | |
const compact = arr => arr.filter(Boolean); | |
const contains = (() => Array.prototype.includes | |
? (arr, value) => arr.includes(value) | |
: (arr, value) => arr.some(el => el === value) |
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft
, elem.offsetTop
, elem.offsetWidth
, elem.offsetHeight
, elem.offsetParent
# ... | |
[options] | |
# webpack loaders | |
module.name_mapper='.*\.css$' -> '<PROJECT_ROOT>/flow/stub/css-modules.js' | |
module.name_mapper='.*\.\(svg\|png\|jpg\|gif\)$' -> '<PROJECT_ROOT>/flow/stub/url-loader.js' |
(function() { | |
let canvas = document.querySelector('canvas'); | |
// Optional frames per second argument. | |
let stream = canvas.captureStream(25); | |
var options = {mimeType: 'video/webm; codecs=vp9'}; | |
let recorder = new MediaRecorder(stream, options); | |
let blobs = []; | |
function download(blob) { | |
var url = window.URL.createObjectURL(blob); |