onlyyoujack

//
//  LFAudioMixer.m
//  Garena
//
//  Created by Omer Iqbal on 8/3/17.
//  Copyright © 2017 Garena. All rights reserved.
//

#import "LFAudioMixer.h"
#import <AVFoundation/AVFoundation.h>

onlyyoujack

#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

onlyyoujack

#!/usr/bin/python

import subprocess
import re
from optparse import OptionParser

def git_version():
    p = subprocess.Popen(["git", "log" , '-1', '--date=iso'], stdout=subprocess.PIPE)
    out, err = p.communicate()
    m = re.search('\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2}', out)

onlyyoujack

#Git 版本数

VERSION_NUMBER=`git rev-list head | sort | wc -l | awk '{print $1}'`

#VERSION_HASH=`git rev-list head | head -1`

echo $VERSION_NUMBER

#echo $VERSION_HASH

onlyyoujack

关于H264, 通用的5个进阶文档为

• [H.264_MPEG-4 Part 10 White Paper]
• [Video coding using the H.264 MPEG-4 AVC compression standard]
• [H.264 and MPEG-4 video compression]
• [Overview of the H.264_AVC Video Coding Standard]
• [Overview and Introduction to the Fidelity Range Extensions]

分三个阶段学习

onlyyoujack

- (UIViewController *)topViewController{
  return [self topViewController:[UIApplication sharedApplication].keyWindow.rootViewController];
}

- (UIViewController *)topViewController:(UIViewController *)rootViewController
{
  if (rootViewController.presentedViewController == nil) {
    return rootViewController;
  }
  

onlyyoujack

// http://stackoverflow.com/a/3532264
// http://cocoamatic.blogspot.tw/2010/07/uicolor-macro-with-hex-values.html

// http://www.touch-code-magazine.com/web-color-to-uicolor-convertor/
 
//RGB color macro
#define UIColorFromRGB(rgbValue) [UIColor \
colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 \
green:((float)((rgbValue & 0xFF00) >> 8))/255.0 \
blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]

onlyyoujack

secret = "xxx"
data = "http://someurl?someparams"
hmac = OpenSSL::HMAC.digest(OpenSSL::Digest::Digest.new('sha1'), secret.encode("ASCII"), data.encode("ASCII"))
signature = Base64.encode64(hmac).chomp

onlyyoujack

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

onlyyoujack

// Swift Standard Librray - String

// ====
// Initializing a String
// ====

var emptyString = ""        // Empty String
var stillEmpty = String()   // Another empty String
let helloWorld = "Hello World!" // String inferred