Jason Smith waitingallday

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

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

Gist

This is a quick tutorial explaining how to get a static website hosted on Heroku.

Why do this?

Heroku hosts apps on the internet, not static websites. To get it to run your static portfolio, personal blog, etc., you need to trick Heroku into thinking your website is a PHP app. This 6-step tutorial will teach you how.

Basic Assumptions

How to make the Webster's 1913 your default Kindle dictionary

Download a Kindle-compatible version of the dictionary here. Unzip the .rar archive.
Get the "Send to Kindle" program on your computer. Here's the link for the Mac.
Right-click your recently downloaded (unzipped) dictionary file, and click the "Send to Kindle" menu item. It will arrive on your Kindle shortly.
Once the dictionary has arrived, go to your settings -- on my newish paperwhite, it's at Home > Settings > Device Options > Language and Dictionaries > Dictionaries > English. Choose the Webster's 1913.

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

Install the latest JRE from Oracle
In the Java Control Panel, go to the Security tab and make sure 'Enable Java Content' is checked
Open Safari
Go to the ATO Business portal site https://bp.ato.gov.au/BpStatics/homepage.htm
Click Login
A dialog will apear asking you 'Do you want to trust the website “authentication.business.gov.au” to use the “Java” plug-in?'
Click 'Trust'
Now you will be asked 'Do you want to run this application?'
Click 'Run'
Another dialog will appear asking you to 'Allow access to the following application from this website?'

	// The MIT License (MIT)
	// Copyright (c) 2016 David Evans @phosphoer

	// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

	// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR

	var util = {};

	/**
	* IE8 compatible custom event listener
	* @method listenToCustomEvents
	* @param {string} eventName Event to listen for
	* @param {method} callback Method to run on event
	*/
	util.listenToCustomEvents = function (event_name, callback) {
	if (document.addEventListener) {

	# A simple Makefile alternative to using Grunt for your static asset compilation
	#
	## Usage
	#
	# $ npm install
	#
	# And then you can run various commands:
	#
	# $ make # compile files that need compiling
	# $ make clean all # remove target files and recompile from scratch

	# If you're having cert issues on ruby 2.0.0-p0, the issue is most likely that ruby can't
	# find the required intermediate certificates. If you built it via rbenv/ruby-build, then
	# the certs are already on your system, just not where ruby expects them to be.

	# When ruby-build installs openssl, it installs the CA certs here:
	~/.rbenv/versions/2.0.0-p0/openssl/ssl/cacert.pem

	# Ruby is expecting them here:
	$(ruby -ropenssl -e 'puts OpenSSL::X509::DEFAULT_CERT_FILE')
	# Which for me, is this path: