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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Redis接收日志，写入到本地文件。
Broker：日志Hub，用来连接多个Shipper和多个Indexer。
无论是Shipper还是Indexer，Logstash始终只做前面提到的3件事：
Shipper从日志文件读取最新的行文本，经过处理（这里我们会改写部分元数据）...
How to get back to most recent version in Git?
... @Nathan: In git a branch is really mostly a movable pointer to a certain revision. So conceptually, you're sort of creating a branch, but not in the sense that git thinks of branches.
– DLH
Aug 24 '10 at 17:26
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MFC子窗口和父窗口（SetParent,SetOwner） - C/C++ - 清泛网 - 专注C/C++及内核技术
...wner窗口。需要注意的是，一旦创建了owned类型的窗口，就无法再改变其所有关系，因为WIN32没有没有提供改变窗口所有者的方法。
而且在Win32中，由于有多线程的存在，所以要注意保证父子窗口或者owner/owned 窗口要同属于一个线...
计算统计特征（正态分布）函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nt;
if (info._count > 1) {
/* NOTE: 删除时， 最大最小值无法还原 */
/*
if (v > info._max_v)
info._max_v = v;
if (v < info._min_v)
info._min_v = v;
*/
} else {
info._max_v = info._min_v = v;
}
if (info._count > 0)
info._ave = info._...
90后创业四年:曾经觉得不公 后来愿赌服输 - 资讯 - 清泛网 - 专注C/C++及内核技术
...，常常有些新奇的点子，这些点子常常能成为爆款，但是无法持续。比如，2011年我做好友拼图，确实火了一把，但3个月后数据下滑得很厉害，然后就无人问津了。2012年我做上传两张图猜未来宝宝长啥样那个网站时，也能预测到...
What does collation mean?
... @Piskvor: aren't coordinates in your info pointing to a certain country using an alphabet with 42 letters, 15 of them having diacritics?
– Quassnoi
Dec 27 '10 at 13:07
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When should I use genetic algorithms as opposed to neural networks? [closed]
...e useful for recognizing patterns. They follow a simplistic model of the brain, and by changing a number of weights between them, attempt to predict outputs based on inputs.
They are two fundamentally different entities, but sometimes the problems they are capable of solving overlap.
...
SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...，这样怎么也骗不过去了。
在应用多态编程时，当我们无法确定传过来的对象的实际类型时使用dynamic_cast，如果能保证对象的实际类型，用static_cast就可以了。至于reinterpret_cast，我很喜欢，很象c语言那样的暴力转换：）
dy...
R command for setting working directory to source file location in Rstudio
I am working out some tutorials in R. Each R code is contained in a specific folder. There are data files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
...