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Fastest Way to Serve a File Using PHP

...erywhere. Using the X-SendFile header As documented by others it's actually the best way. The basis is that you do your access control in php and then instead of sending the file yourself you tell the web server to do it. The basic php code is : header("X-Sendfile: $file_name"); header("Conten...
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Mixin vs inheritance

... A mixin is typically used with multiple inheritance. So, in that sense, there's "no difference". The detail is that a mixin is rarely useful as a standalone object. For example, say you have a mixin named "ColorAndDimension", which adds a co...
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Optimise PostgreSQL for fast testing

...ta-integrity-protection and crash-safety stuff, giving it permission to totally trash your data if you lose power or have an OS crash. Needless to say, you should never enable fsync=off in production unless you're using Pg as a temporary database for data you can re-generate from elsewhere. If and ...
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How do I abort the execution of a Python script? [duplicate]

... Prints "aa! errors!" and exits with a status code of 1. There is also an _exit() function in the os module. The sys.exit() function raises a SystemExit exception to exit the program, so try statements and cleanup code can execute. The os._exit() version doesn't do this. It just ends the program...
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How do I fit an image (img) inside a div and keep the aspect ratio?

I have a 48x48 div and inside it there is an img element, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css? ...
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How can I initialize base class member variables in derived class constructor?

...ince it would destroy encapsulation. Instead, create a constructor in A to allow B (or any subclass of A) to initialize them: class A { protected: A(int a, int b) : a(a), b(b) {} // Accessible to derived classes // Change "protected" to "public" to allow others to instantiate A. private: ...
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Max or Default?

...wiggering the spacklerorke, and riding the flying unicorn to Neverland are all meaningless, impossible, undefined. Now, what is it that you actually want to do? share | improve this answer ...
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Using Mockito's generic “any()” method

...e able to compile lambda expressions, but it improves type inferences generally. Primitive types This doesn't work with primitive types, unfortunately: public interface IBar { void doPrimitiveStuff(int i); } verify(bar).doPrimitiveStuff(any()); // Compiles but throws NullPointerException v...
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Sending Email in Android using JavaMail API without using the default/built-in app

...net.ssl.SSLSocketFactory"); props.put("mail.smtp.socketFactory.fallback", "false"); props.setProperty("mail.smtp.quitwait", "false"); session = Session.getDefaultInstance(props, this); } protected PasswordAuthentication getPasswordAuthentication()...
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SQL Server - transactions roll back on error?

...xact_abort on before your transaction to make sure sql rolls back automatically in case of error. share | improve this answer | follow | ...