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mkdir ~/TEMP/Software
cd ~/TEMP/Software
curl https://ftp.gnu.org/gnu/inetutils/inetutils-1.9.4.tar.xz -O
tar -zxvf inetutils-1.9.4.tar.xz
cd inetutils-1.9.4
./configure --prefix=/usr/local --disable-servers --disable-hostname \
--disable-ping --disable-ping6 --disable-logger --disable-talk \
--disable-tftp --disable-whois --disable-ifconfig --disable-traceroute
make -j8
sudo make install

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using UnityEngine;
using System.Collections;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using System.Collections.Generic;
 
public class Test : MonoBehaviour,IPointerClickHandler ,IPointerDownHandler,IPointerUpHandler
{ 
 
    //监听按下

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feat：新功能（feature）
fix：修补bug
docs：文档（documentation）
style： 格式（不影响代码运行的变动）
refactor：重构（即不是新增功能，也不是修改bug的代码变动）
test：增加测试
chore：构建过程或辅助工具的变动
============================================================
总共5种提交类型：【新增】【修改】【删除】【优化】【修复】

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class MyThreadClass
{
    ManualResetEvent _stopEvent;
    Thread _thread;

    public MyThreadClass()
    {
    }

    public void Start()

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/[Ll]ibrary/
/[Tt]emp/
/[Oo]bj/
/[Bb]uild/
/[Bb]uilds/
/Assets/AssetStoreTools*

# Visual Studio 2015 cache directory
/.vs/

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using System;
using System.Collections;
using System.Collections.Generic;

public class ObjectPool<T> where T : class {
		private readonly Func<T> _objectFactory;
		private readonly Queue<T> _queue = new Queue<T>();

		/// <summary>
		/// 对象池

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- (void)viewDidLoad {  
    [super viewDidLoad];  
    __weak typeof (self) weakSelf = self;  
    if ([self respondsToSelector:@selector(interactivePopGestureRecognizer)]) {  
        self.interactivePopGestureRecognizer.delegate = weakSelf;  
    }  
}  
#pragma mark - UIGestureRecognizerDelegate  
- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer {  
    if (self.viewControllers.count < 3) {  

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- (UIImage *)scaleToSize:(UIImage *)img size:(CGSize)size{  
    // 设置成为当前正在使用的context  
    UIGraphicsBeginImageContext(size);  
    // 绘制改变大小的图片  
    [img drawInRect:CGRectMake(0, 0, size.width, size.height)];  
    // 从当前context中创建一个改变大小后的图片  
    UIImage* scaledImage = UIGraphicsGetImageFromCurrentImageContext();  
    // 使当前的context出堆栈  
    UIGraphicsEndImageContext();  
    // 返回新的改变大小后的图片  

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import <CommonCrypto/CommonDigest.h> // md5需要引用这个文件  

// md5 32位 加密  
+ (NSString *) MD5:(NSString *) string {  
    const charchar *cStr = [string UTF8String];  
    unsigned char result[16];  
    CC_MD5(cStr, strlen(cStr), result); // This is the md5 call  
      
    //%02x     格式控制: 以十六进制输出,2为指定的输出字段的宽度.如果位数小于2,则左端补0
    NSString *output = [NSString stringWithFormat:  

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UILongPressGestureRecognizer *gs = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(p_gestureRecognizerAction:)];  
    gs.numberOfTouchesRequired = 1;  
    [self.view addGestureRecognizer:gs];  
    
- (void)p_gestureRecognizerAction:(UIGestureRecognizer *)gestureRecognizer {  
    if (gestureRecognizer.state == UIGestureRecognizerStateBegan) {  
        CGPoint touchPoint = [gestureRecognizer locationInView:gestureRecognizer.view];  
        if(self.interfaceOrientation == UIInterfaceOrientationPortrait || self.interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown) {  
            NSString *imgURL = [NSString stringWithFormat:@"document.elementFromPoint(%f, %f).src", touchPoint.x, touchPoint.y];  
            _urlToSave = [self.webview stringByEvaluatingJavaScriptFromString:imgURL];