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# Explanation at http://stackoverflow.com/questions/5212213/ruby-equivalent-of-php-openssl-seal/9428217#9428217

# Implementation

  class EnvelopeEncryption

    require "openssl"
    

    # This method takes in plaintext and produces ciphertext and an

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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:

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/* 
    Delta Compression by Glenn Fiedler. 
    This source code is placed in the public domain.
    http://gafferongames.com/2015/03/14/the-networked-physics-data-compression-challenge/
*/

#include <stdint.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>

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/*

Erica Sadun, http://ericasadun.com
GameplayKit Available 10.11, iOS 9

*/

import Foundation
import GameplayKit // only available on OS X 10.11, iOS 9

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package main

import (
	"crypto/tls"
	"crypto/x509"
	"io"
	"io/ioutil"
	"log"
	"net/http"
)

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package main

import (
	"crypto/tls"
	"crypto/x509"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
)

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