I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!
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/* | |
* This is an example provided by Facebook are for non-commercial testing and | |
* evaluation purposes only. | |
* | |
* Facebook reserves all rights not expressly granted. | |
* | |
* 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 NON INFRINGEMENT. IN NO EVENT SHALL | |
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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# You don't need Fog in Ruby or some other library to upload to S3 -- shell works perfectly fine | |
# This is how I upload my new Sol Trader builds (http://soltrader.net) | |
# Based on a modified script from here: http://tmont.com/blargh/2014/1/uploading-to-s3-in-bash | |
S3KEY="my aws key" | |
S3SECRET="my aws secret" # pass these in | |
function putS3 | |
{ | |
path=$1 |
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#!/usr/bin/env ruby | |
# Script to generate random images. Based on http://www.imagemagick.org/Usage/canvas/#random_blur | |
require 'optparse' | |
options = {} | |
optparse = OptionParser.new do |opts| |
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#!/bin/sh | |
# Pre-commit hook for git which removes trailing whitespace, converts tabs to spaces, and enforces a max line length. | |
if git-rev-parse --verify HEAD >/dev/null 2>&1 ; then | |
against=HEAD | |
else | |
# Initial commit: diff against an empty tree object | |
against=4b825dc642cb6eb9a060e54bf8d69288fbee4904 | |
fi |
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CGFloat ScaleToAspectFitRectInRect(CGRect rfit, CGRect rtarget) | |
{ | |
// first try to match width | |
CGFloat s = CGRectGetWidth(rtarget) / CGRectGetWidth(rfit); | |
// if we scale the height to make the widths equal, does it still fit? | |
if (CGRectGetHeight(rfit) * s <= CGRectGetHeight(rtarget)) { | |
return s; | |
} | |
// no, match height instead | |
return CGRectGetHeight(rtarget) / CGRectGetHeight(rfit); |
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gifify() { | |
if [[ -n "$1" ]]; then | |
if [[ $2 == '--good' ]]; then | |
ffmpeg -i $1 -r 10 -vcodec png out-static-%05d.png | |
time convert -verbose +dither -layers Optimize -resize 600x600\> out-static*.png GIF:- | gifsicle --colors 128 --delay=5 --loop --optimize=3 --multifile - > $1.gif | |
rm out-static*.png | |
else | |
ffmpeg -i $1 -s 600x400 -pix_fmt rgb24 -r 10 -f gif - | gifsicle --optimize=3 --delay=3 > $1.gif | |
fi | |
else |
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#!/bin/bash | |
function printHelpAndExit { | |
echo 'Usage:' | |
echo ' gifify -coux filename' | |
echo '' | |
echo 'Options: (all optional)' | |
echo ' c CROP: The x and y crops, from the top left of the image, i.e. 640:480' | |
echo ' o OUTPUT: The basename of the file to be output (default "output")' | |
echo ' u: Upload the resulting image to CloudApp' |
CocoaPods project setup
Create a Podfile
at the root of your project
platform :ios, '5.0'
pod 'AFNetworking'
pod 'OHAttributedLabel'
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#!/usr/bin/env ruby | |
require 'rubygems' | |
require 'isaac' | |
require 'net/http' | |
require 'nokogiri' | |
require 'open-uri' | |
CACHE_EXPIRATION = 3600 | |
cache = {} |
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