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//
//  MyController.h
//
//  Created by Ben Copsey on 20/07/2009.
//  Copyright 2009 All-Seeing Interactive. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <GHUnit/GHUnit.h>
@class ASINetworkQueue;

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// Do any additional setup after loading the view, typically from a nib.
    NSURLRequest * request = [NSURLRequest requestWithURL:[NSURL    URLWithString:@"http://www.imdida.org/json/city/ip"]];
    NSURLResponse * response;
    NSError *error;
    NSData * jsonData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
    NSDictionary * results = [jsonData objectFromJSONData];
    NSLog(@"%@",[results objectForKey:@"ip"]);

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//
//  ARC Helper
//
//  Version 2.1
//
//  Created by Nick Lockwood on 05/01/2012.
//  Copyright 2012 Charcoal Design
//
//  Distributed under the permissive zlib license
//  Get the latest version from here:

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iewController的初始化：

从Storyboards中加载的时候，会调用initWithCode，如果不存在则调用init。之后对里面的每个对象调用awakeFromNib方法。
从内存中alloc出来的情况下，调init方法。

ViewController查找与其关联的view，其顺序是：
1 先判断子类是否重写了loadView，如果有直接调用。之后调viewDidLoad完成View的加载。
2 如果是外部通过调用initWithNibName:bundle指定nib文件名的话，ViewController记载此nib来创建View。
3 如果initWithNibName:bundle的name参数为nil，则ViewController会通过以下两个步骤找到与其关联的nib。
   A 如果类名包含Controller，例如ViewController的类名是MyViewController，则查找是否存在MyView.nib；

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http://developer.apple.com/library/ios/documentation/userexperience/conceptual/mobilehig/MobileHIG.pdf

1.状态栏（20）

[1]:http://www.apple.com.cn/developer/iphone/library/documentation/UserExperience/Conceptual/MobileHIG/art/ui_statusbartypes.jpg

高度：20px
颜色：灰色（默认）、黑色、半透明黑色（α值为0.5的黑色）3种可选

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http://developer.apple.com/library/ios/#samplecode/SpeakHere/Listings/AudioViews_AQLevelMeter_mm.html

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  UIImage *rawBackground = [UIImage imageNamed:@"picture"];
   
 UIImage *background = [rawBackground stretchableImageWithLeftCapWidth:13 topCapHeight:22];
   
 UIImageView *imageView = [[UIImageView alloc] initWithImage:background];
    
imageView.frame = CGRectMake(0, 0, containerView.frame.size.width, containerView.frame.size.height);
    
imageView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;

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注意引入的static library在编译时需要进行 _all_load -Objc 等linker flag注意

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Global ignore file:

echo ".DS_Store" >> ~/.gitignore
git config --global core.excludesfile ~/.gitignore
SVN-like shortcuts for often used commands:

git config --global alias.st status
git config --global alias.ci commit
git config --global alias.co checkout
git config --global alias.br branch

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PHP array assignment (PHP array assignment is copy by value)
$a = array('a', 'b', 'c');
$a2 = $a;
上面的直接覆值是一种copy机制，会产生两个不同的数组供使用

  A duplicate copy of the array (copy by value) is made
  Change in one array have no impact on other
  $a = array("original");
  $b = $a;
  $a[0] = "new";   // $b[0] will remain as "original"