dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

saetia

OS X Preferences

---

most of these require logout/restart to take effect

# Enable character repeat on keydown
defaults write -g ApplePressAndHoldEnabled -bool false

# Set a shorter Delay until key repeat

paulirish

What forces layout / reflow

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.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

marktheunissen

This playbook has been removed as it is now very outdated.

PaulKinlan

(function() { 
  var CSSCriticalPath = function(w, d, opts) {
    var opt = opts || {};
    var css = {};
    var pushCSS = function(r) {
      if(!!css[r.selectorText] === false) css[r.selectorText] = {};
      var styles = r.style.cssText.split(/;(?![A-Za-z0-9])/);
      for(var i = 0; i < styles.length; i++) {
        if(!!styles[i] === false) continue;
        var pair = styles[i].split(": ");

uraimo

Switching to DNS over TLS on macOS

How to configure your Mac to use DNS over TLS in five easy steps:

1. Install Stubby with Homebrew (https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby):

    brew install stubby
   

2. Edit the configuration file:

felipesere

#!/bin/bash
aws --version
aws configure set default.region us-west-2
aws configure set default.output json

echo "preparing task definition"
aws ecs describe-task-definition --task-definition applications | ./jq --arg x $CIRCLE_SHA1 ' .taskDefinition
                                                                                              | del(.status)
                                                                                              | del(.taskDefinitionArn)

dariocravero

Create a Meteor app and put the client_/server_ files in a client/server directories. Also, create a public dir to save the uploaded files.

slickplaid

sudo apt-get update && sudo apt-get upgrade -y;
sudo apt-get build-dep -y libqt4-gui libqt4-network libqt4-webkit;
sudo apt-get install -y openssl build-essential xorg git git-core libssl-dev libxrender-dev t1-xfree86-nonfree xfonts-scalable ttf-ubuntu-font-family ttf-mscorefonts-installer poppler-utils libqt4-dev qt4-dev-tools;
cd ~;
git clone git://gitorious.org/~antialize/qt/antializes-qt.git wkhtmltopdf-qt;
git clone git://github.com/antialize/wkhtmltopdf.git wkhtmltopdf;
cd wkhtmltopdf;
qmake-qt4;
cd ../wkhtmltopdf-qt;
git checkout 4.8.4;

ezhuravlev

/etc/init.d/<servicename>:

# chkconfig: 345 20 80
# description: my service 

345 - 3,4,5 runlevels
20 - start priority
80- stop prioroty