Code examples from this stack overflow answer.
HEAD | |
src | |
v* |
<html> | |
<head> | |
<script src='http://code.jquery.com/jquery-1.5.1.min.js'></script> | |
</head> | |
<body> | |
<h2>Naive canvas</h2> | |
<canvas id="naive" width="400" height="50"></canvas> | |
<h2>High-def Canvas</h2> |
(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.
#ifndef __LOGGING_HPP__ | |
#define __LOGGING_HPP__ | |
/* | |
Test this with something like: | |
g++ -std=c++11 -x c++ -pthread -DLOGGING_LEVEL_ALL -DTEST_LOGGING logging.hpp -o logging_test | |
./logging_test | |
*/ | |
#include <string> |
var amqp = require('amqplib/callback_api'); | |
// if the connection is closed or fails to be established at all, we will reconnect | |
var amqpConn = null; | |
function start() { | |
amqp.connect(process.env.CLOUDAMQP_URL + "?heartbeat=60", function(err, conn) { | |
if (err) { | |
console.error("[AMQP]", err.message); | |
return setTimeout(start, 1000); | |
} |
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
GNOME's tracker is a CPU and privacy hog. There's a pretty good case as to why it's neither useful nor necessary here: http://lduros.net/posts/tracker-sucks-thanks-tracker/
After discovering it chowing 2 cores, I decided to go about disabling it.
Directories
var moment = require('moment'); | |
function calculateBusinessDays(firstDate, secondDate){ | |
//Initiallize variables | |
var day1 = moment(firstDate); | |
var day2 = moment(secondDate); | |
var adjust = 0; | |
if((day1.dayOfYear() === day2.dayOfYear()) && (day1.year() === day2.year())){ | |
return 0; |