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In HTML5, is the localStorage object isolated per page/domain?

... separate (and they're both separate from http://example.com) as those are all different hosts. Similarly, http://example.com:80 and http://example.com:8080 and https://example.com are all different origins. There is no mechanism built into web storage that allows one origin to access the storage o...
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Why use a prime number in hashCode?

...ly be determined by the least significant entry (the one not multiplied at all). Similar entries will collide. Not good for a hash function. 31 is a large enough prime that the number of buckets is unlikely to be divisible by it (and in fact, modern java HashMap implementations keep the number of b...
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Detect when an HTML5 video finishes

... Why do you check if e exists? – Allan Stepps Aug 7 '13 at 0:12 3 @AllanStepp...
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Difference between “managed” and “unmanaged”

... Unmanaged code compiles straight to machine code. So, by that definition all code compiled by traditional C/C++ compilers is 'unmanaged code'. Also, since it compiles to machine code and not an intermediate language it is non-portable. No free memory management or anything else the CLR provides. ...
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How do you find all subclasses of a given class in Java?

How does one go about and try to find all subclasses of a given class (or all implementors of a given interface) in Java? As of now, I have a method to do this, but I find it quite inefficient (to say the least). The method is: ...
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How to use PHP OPCache?

PHP 5.5 has been released and it features a new code caching module called OPCache, but there doesn't appear to be any documentation for it. ...
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Cmake vs make sample codes?

...tatlib.a and libmydynlib.so which are both also built from source. Additionally, prog uses the library libstuff.a in stuff/lib and its header in stuff/include. The Makefile by default builds a release target, but offers also a debug target: #Makefile CC = gcc CPP = g++ RANLIB = ar rcs RELEASE =...
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Why can't we have static method in a (non-static) inner class?

... would be 'annoying as a mothertrucker'. Don't understand why Java doesn't allow for this. Sometimes, I want an inner class to use properties of the parent class, but keep static methods for better namespacing. Is there something inherently wrong with this? :( – Angad ...
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What is the purpose of the '@' symbol in CSS?

...ructs. The @ syntax itself, though, as I mentioned, is not new. These are all known in CSS as at-rules. They're special instructions for the browser, not directly related to styling of (X)HTML/XML elements in Web documents using rules and properties, although they do play important roles in control...
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Is there a printf converter to print in binary format?

..._PATTERN"\n", BYTE_TO_BINARY(m>>8), BYTE_TO_BINARY(m)); You need all the extra quotes unfortunately. This approach has the efficiency risks of macros (don't pass a function as the argument to BYTE_TO_BINARY) but avoids the memory issues and multiple invocations of strcat in some of the oth...