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你不得不知道的6个用好大数据的秘诀 - 资讯 - 清泛网 - 专注C/C++及内核技术

...获得商业上的成功。只有真正懂得如何利用大数据,了解公司利用大数据可以达什么目标,公司最终才有可能真正成功。在公司在发展过程中往往也会面临诸多选择,也只有目标设定明确了,才能够缩小选择范围聚焦精力去...
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How Do I Use Factory Girl To Generate A Paperclip Attachment?

...tory: factory :attachment do supporting_documentation_file_name { 'test.pdf' } supporting_documentation_content_type { 'application/pdf' } supporting_documentation_file_size { 1024 } # ... end share | ...
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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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开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...stfix是sendmail兼容的,而使sendmail用户可以很方便地迁移postfix。Postfix支持/var[/spool]/mail、/etc/aliases、 NIS、和 ~/.forward 文件。 4. 更健壮: postfix被设计成在重负荷之下仍然可以正常工作。当系统运行超出了可用的内存或磁...
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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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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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世界首富换人!身价5300亿 却只开一辆破车! - 资讯 - 清泛网 - 专注C/C++及内核技术

...加的个人财富增加了17亿美元。现在,奥特加的净资产达了795亿美元,而比尔盖茨则为785亿美元。 795亿美元,折合人民币达了5300亿! 3个马云的财富都不及这个卖衣服的! 根据胡润发布的《2016胡润全球富豪榜》,王...
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360安全检测18%后提示失败,关闭云盾、设置白名单解决 - 更多技术 - 清泛...

360安全检测18%后提示失败,关闭云盾、设置白名单解决使用的是阿里云服务器,而服务器开启的云盾有DDos防护功能,把360检测当做DDos攻击拦截了。我们首先想临时关闭云盾功能,不过笔者找了好...使用的是阿里云服务器,...
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Jenkins中集成gtest单元测试结果 - 项目管理 - 清泛网 - 专注IT技能提升

...成gtest单元测试结果Jenkins-gtestgtest单元测试结果默认输出控制台,那么我们如何把它集成Jenkins系统中呢?1、让gtest运行结果输出XML文件:mygtest --gtest_output=xml:result xml2、配置Jenkins构建后操 gtest单元测试结果默认输出控...