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function getBoundsZoomLevel(bounds, mapDim) {
    var WORLD_DIM = { height: 256, width: 256 };
    var ZOOM_MAX = 21;

    function latRad(lat) {
        var sin = Math.sin(lat * Math.PI / 180);
        var radX2 = Math.log((1 + sin) / (1 - sin)) / 2;
        return Math.max(Math.min(radX2, Math.PI), -Math.PI) / 2;
    }

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<?php
function text2img($text, $size, $color, $font='kangxi.otf') {
	$draw = new ImagickDraw();
	$draw->setGravity(Imagick::GRAVITY_CENTER);
	$draw->setFont($font);
	$draw->setFontSize($size);
	$draw->setFillColor(new ImagickPixel($color));
	
	$im = new imagick();
	$metric = $im->queryFontMetrics($draw, $text);

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#!/usr/bin/python
 
LISTEN_PORT = 18080
 
from twisted.internet import protocol, reactor
from ProxySelector import ProxySelector

import csv, random

class ProxySelector:

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#!/bin/bash
# From http://markmcb.com/2013/02/04/cleanup-unused-linux-kernels-in-ubuntu/

dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge

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Ember.Handlebars.registerHelper('eachIndexed', function eachHelper(path, options) {
    var keywordName = 'item',
        fn;

    // Process arguments (either #earchIndexed bar, or #earchIndexed foo in bar)
    if (arguments.length === 4) {
        Ember.assert('If you pass more than one argument to the eachIndexed helper, it must be in the form #eachIndexed foo in bar', arguments[1] === 'in');
        Ember.assert(arguments[0] + ' is a reserved word in #eachIndexed', $.inArray(arguments[0], ['index', 'index+1', 'even', 'odd']));
        keywordName = arguments[0];

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# https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollHeight
@div.bind 'mousewheel DOMMouseScroll', (e) ->
  d = e.originalEvent.wheelDelta or -e.originalEvent.detail
  e.preventDefault() if ((@scrollHeight - @scrollTop) <= @clientHeight and d < 0) or (@scrollTop <= 0 and d > 0)

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#!/bin/sh
# Example: ./applocale.sh QQ zh-CN

if [ "$#" -ne 2 ]; then 
	echo "Usage: $0 [app name] [locale]"
	exit 1
fi

CMD="/usr/bin/defaults"
OSASCRIPT="/usr/bin/osascript"

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function dog 
	for x in $argv
		if not test -f $x
			echo "$x does not exist or cannot be barked at"
		else if not test -r $x
			echo "$x cannot be read"
		else if perl -E 'exit((-B $ARGV[0])?0:1);' $x
			echo "$x is a binary file"
		else
			file $x

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#!/usr/bin/python
# -*- coding: utf-8 -*-

import os
import socket
import threading
import workerpool
import json
from pprint import pprint

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console