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Which is the fastest algorithm to find prime numbers?

...tp://primes.utm.edu/prove/prove2_3.html and http://forums.nvidia.com/index.php?showtopic=70483 If you just need a way to generate very big prime numbers and don't care to generate all prime numbers < an integer n, you can use Lucas-Lehmer test to verify Mersenne prime numbers. A Mersenne prime n...
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How can prepared statements protect from SQL injection attacks?

...nd even alter it, as every SQL injection example shows it (all examples in PHP/Mysql): $expected_data = 1; $query = "SELECT * FROM users where id=$expected_data"; will produce a regular query SELECT * FROM users where id=1 while this code $spoiled_data = "1; DROP TABLE users;" $query ...
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What is the difference between an Azure Web Site and an Azure Web Role

...mmand-line tools to set up a web site with popular languages such as .NET, PHP, Node.js, and Python. Supported frameworks are already deployed and do not require more installation steps. The Azure Web Sites gallery contains many third-party applications, such as Drupal and WordPress as well as devel...
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examining history of deleted file

...t this error message: svn cat [url]/trunk/include/syeka/poster_funk.incl.php -r 50 > out.txt svn: '/admintools/!svn/bc/131/trunk/include/syeka/poster_funk.incl.php' path not found See @Bert Huijben's response further down this thread for a working solution. – Keith Palmer...
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What are the best practices for JavaScript error handling?

...is: function log(sev,msg) { var img = new Image(); img.src = "log.php?sev=" + encodeURIComponent(sev) + "&msg=" + encodeURIComponent(msg); } // usage log(1, "Something bad happened.") // Auto-log uncaught JS errors window.onerror = function(msg, url, line) { log(1,...
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D Programming Language in the real world? [closed]

...itor object for each class, runtime type info, etc. Unlike Ruby, Python, PHP, etc, D tries to be almost as fast as C, even if it is less dynamic and slightly more difficult to program in than scripting languages. The result is a language that is optimal when both development time and execution tim...
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Convert HTML to PDF in .NET

...439 - $ 1439 - https://www.sautinsoft.com/products/pdf-metamorphosis/order.php https://www.sautinsoft.com/products/pdf-metamorphosis/convert-html-to-pdf-dotnet-csharp.php HtmlRenderer.PdfSharp https://www.nuget.org/packages/HtmlRenderer.PdfSharp/1.5.1-beta1 BSD-UNSPECIFIED License PuppeteerSharp...
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Using Node.js only vs. using Node.js with Apache/Nginx

...n server to serve static files as so many (every?) competing technologies (PHP, Ruby, Python, etc) require a web server like HTTPD or Nginx in front of the application server(s). Every objective reason I have ever read against serving static files with Node revolves around the idea of using what yo...
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多媒体组件 · App Inventor 2 中文网

...全就是杂乱的,不知是不是因为版本过旧,还是其他设置问题,经过一系列尝试(包括设置文本朗读器的国家及语言属性)仍然是不行的。最终只得选择“Google文字转语言引擎”(语音设置为”中文“),中文朗读的效果也非常...
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What is bootstrapping?

... An example of bootstrapping is in some web frameworks. You call index.php (the bootstrapper), and then it loads the frameworks helpers, models, configuration, and then loads the controller and passes off control to it. As you can see, it's a simple file that starts a large process. ...