This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
#include <SDL2/SDL.h> | |
#define MUS_PATH "Roland-GR-1-Trumpet-C5.wav" | |
// prototype for our audio callback | |
// see the implementation for more information | |
void my_audio_callback(void *userdata, Uint8 *stream, int len); | |
// variable declarations | |
static Uint8 *audio_pos; // global pointer to the audio buffer to be played |
/* | |
* Copyright (c) 2013 Calvin Rien | |
* | |
* Based on the JSON parser by Patrick van Bergen | |
* http://techblog.procurios.nl/k/618/news/view/14605/14863/How-do-I-write-my-own-parser-for-JSON.html | |
* | |
* Simplified it so that it doesn't throw exceptions | |
* and can be used in Unity iPhone with maximum code stripping. | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining |
PackageInfo info; | |
try { | |
info = getPackageManager().getPackageInfo("ecentinela.mercadotes", PackageManager.GET_SIGNATURES); | |
for (Signature signature : info.signatures) { | |
MessageDigest md; | |
md = MessageDigest.getInstance("SHA"); | |
md.update(signature.toByteArray()); |
THIS GIST WAS MOVED TO TERMSTANDARD/COLORS
REPOSITORY.
PLEASE ASK YOUR QUESTIONS OR ADD ANY SUGGESTIONS AS A REPOSITORY ISSUES OR PULL REQUESTS INSTEAD!
I'm doing some research on how companies use GitHub Enterprise (or public GitHub) internally. If you can help out by answering a few questions, I'd greatly appreciate it.
/* | |
author: jbenet | |
os x, compile with: gcc -o testo test.c | |
linux, compile with: gcc -o testo test.c -lrt | |
*/ | |
#include <time.h> | |
#include <sys/time.h> | |
#include <stdio.h> |
UUID (Universally Unique Identifier): A sequence of 128 bits that can guarantee uniqueness across space and time, defined by [RFC 4122][rfc4122].
GUID (Globally Unique Identifier): Microsoft's implementation of the UUID specification; often used interchangeably with UUID.
UDID _(Unique Device Identifier)): A sequence of 40 hexadecimal characters that uniquely identify an iOS device (the device's Social Security Number, if you will). This value can be retrieved through iTunes, or found using UIDevice -uniqueIdentifier. Derived from hardware details like MAC address.
IGGG Advent Calender 2015のために書いた記事です。
常設CTFで遊んでたらXOR暗号を解読する問題が出て、地味に大変だったのでまとめました。
XOR暗号とは、平文をバイナリデータと考えて、2進数の鍵とXORをとって暗号化する手法のコトです。
例えば、文字をASCIIコードに変換して考えるとして