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User recognition without cookies or local storage

...hese) Web Bugs (less reliable because bugs get fixed, but still useful) PDF Bug Flash Bug Java Bug Browsers Click Tracking (many users visit the same series of pages on each visit) Browsers Finger Print   - Installed Plugins (people often have varied, somewhat unique sets of plugins) Cached ...
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Create two blank lines in Markdown

...on-white-space. The benefit is that in Markdown flavours that include both PDF and HTML output options (including Rmarkdown), it should be understood in the same way for both output types, whereas I'm not sure how PDF output would interpret <br> or   ...
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搭建高可用mongodb集群(一)——配置mongodb - 大数据 & AI - 清泛网 - 专...

.../single/data #进入mongodb文件夹 cd /data/mongodbtest/single 2、下载mongodb的安装程序包 wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.6.tgz #解压下载的压缩包 tar xvzf mongodb-linux-x86_64-2.4.6.tgz #进入mongodb程序执行文件夹 cd mongodb...
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Reading and writing binary file

...using namespace std; int main() { ifstream infile; infile.open("source.pdf",ios::binary|ios::in); ofstream outfile; outfile.open("temppdf.pdf",ios::binary|ios::out); int buffer[2]; while(infile.read((char *)&buffer,sizeof(buffer))) { outfile.write((char *)&buffer,sizeof...
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Creating a ZIP Archive in Memory Using System.IO.Compression

...MVC public ActionResult Index() { string fileName = "test.pdf"; string fileName1 = "test.vsix"; string fileNameZip = "Export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".zip"; byte[] fileBytes = System.IO.File.ReadAllBytes(@"C:\test\test.pdf"); by...
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网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ttp://www.你的域名.com/tag/%E6%90%9E%E7%AC%91%E8%A7%86%E9%A2%91 第二,当网页的编码为(utf-8)(<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />)时, 1)不会出现乱码地址: http://www.你的域名.com/tag/搞笑视频 http://www.你的...
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Algorithm to implement a word cloud like Wordle

... More information here: static.mrfeinberg.com/bv_ch03.pdf - Thanks Jonathan. – Reto Aebersold Mar 5 '11 at 15:28 ...
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不穿绿衣服!盘点股民的五个奇葩迷信行为 - 轻松一刻 - 清泛网 - 专注C/C++...

...甚至是那些因上半年的牛市而一度有所减轻的迷信行为又开始重出江湖。6月底以来,股市一直低迷,股民们人心惶惶,不知该何去何从。为了能尽量减少亏损,已经想尽了一切能用的招数,甚至是那些因上半年的牛市而一度有...
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C++ 线程安全的单例模式 - C/C++ - 清泛网 - 专注C/C++及内核技术

... }; 二、饿汉模式:即无论是否调用该类的实例,在程序开始时就会产生一个该类的实例,并在以后仅返回此实例。 由静态初始化实例保证其线程安全性,WHY?因为静态实例初始化在程序开始时进入主函数之前就由主线程以单...
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VC/MFC 临界区域使用方法实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

...lSection(&m_cs_test); 使用方法一: 在所需要使用的函数中开始锁定,在函数生命期结束后会自动解锁: CCriticalSectionLock lock(m_cs_test); 使用方法二: //进入开始锁定数据:保护共享资源只被一个线程调用 EnterCriticalSection(&m_cs_...