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How do I prevent site scraping? [closed]
...ill not visit the link either because you disallowed /scrapertrap/ in your robots.txt.
You can make your scrapertrap.php do something like block access for the IP address that visited it or force a captcha for all subsequent requests from that IP.
Don't forget to disallow your honeypot (/scrapert...
How to perform Callbacks in Objective-C
...C means this can be achieved using Blocks even more concisely:
@interface Robot: NSObject
+ (void)sayHi:(void(^)(NSString *))callback;
@end
@implementation Robot
+ (void)sayHi:(void(^)(NSString *))callback {
// Return a message to the callback
callback(@"Hello to you too!");
}
@end
[Robot...
Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
...egatives. One of my hidden goals is to use this detection in real-time for robotics, so that could be a good compromise !
– Charles Menguy
Apr 20 '12 at 3:30
42
...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...据库全量拷贝，从节点压力会不会过大？
数据压力大到机器支撑不了的时候能否做到自动扩展？
这篇文章看完这些问题就可以搞定了。NoSQL的产生就是为了解决大数据量、高扩展性、高性能、灵活数据模型、高可用性。但是...
bat 写注册表详解 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...[/t Type] [/s Separator] [/d Data] [/f]
KeyName [\\Machine\]FullKey 远程机器的机器名 - 忽略默认到当前机器。远程机器上只有 HKLM 和 HKU。
FullKey ROOTKEY\SubKey
ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ]
SubKey 所选 ROOTKEY 下注册表项的完整名
/v 所...
从 svndata 恢复svn服务器仓库 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ta_restore_svnserver服务器端备份了svndata，然后需要在一台新机器上还原svn仓库，步骤如下：1、确认新机器已经安装svnserverapt-get install subversion2、从svndata目录启动svn服务程序svnserve 服务器端备份了svndata，然后需要在一台新机器上...
快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...些“小事”，都是重复性劳动，没有技术含量，这方面，机器最擅长，不出错，速度还快（我指的是，生成应该要报的单的速度）。
而，那种，软件或某个指标发出买入或卖出信号，然后，人工去执行开仓、平仓，呵呵，恕...
How to set a value to a file input in HTML?
...tion for the data variable? Is it a file path?
– Mr.Robot
Aug 20 at 20:53
Hi, Mr.Robot: I demonstrate an example of u...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...
2、ESTABLISHED状态
ESTABLISHED的意思是建立连接。表示两台机器正在通信。
3、CLOSE_WAIT
对方主动关闭连接或者网络异常导致连接中断，这时我方的状态会变成CLOSE_WAIT 此时我方要调用close()来使得连接正确关闭
4、TIME_WAIT
我方主...
Differences between hard real-time, soft real-time, and firm real-time?
...s to zero or becomes impossible.
Examples:
Manufacturing systems with robot assembly lines where missing a deadline results in improperly assembling a part. As long as ruined parts are infrequent enough to be caught by quality control and not too costly, then production continues.
A digital cab...