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Get original URL referer with PHP?

I am using $_SERVER['HTTP_REFERER']; to get the referer Url. It works as expected until the user clicks another page and the referer changes to the last page. ...
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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit

... -1017, NSURLErrorAppTransportSecurityRequiresSecureConnection NS_ENUM_AVAILABLE(10_11, 9_0) = -1022, NSURLErrorFileDoesNotExist = -1100, NSURLErrorFileIsDirectory = -1101, NSURLErrorNoPermissionsToReadFile = -1102, NSURLErrorDataLengthExceedsMaximum NS_ENUM_AVAILABLE(10...
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Is it possible to make the -init method private in Objective-C?

... NS_UNAVAILABLE - (instancetype)init NS_UNAVAILABLE; This is a the short version of the unavailable attribute. It first appeared in macOS 10.7 and iOS 5. It is defined in NSObjCRuntime.h as #define NS_UNAVAILABLE UNAVAILABLE_...
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Reset C int array to zero : the fastest way?

...e is doing something incorrect. #include<immintrin.h> #define intrin_ZERO(a,n){\ size_t x = 0;\ const size_t inc = 32 / sizeof(*(a));/*size of 256 bit register over size of variable*/\ for (;x < n-inc;x+=inc)\ _mm256_storeu_ps((float *)((a)+x),_mm256_setzero_ps());\ if(4 == sizeof(*(a)...
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Installing Google Protocol Buffers on mac

...cursive] Error 1 make: *** [all] Error 2 – Anandaraja_Srinivasan Aug 19 '16 at 9:25 This is the solution which worked ...
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Reimport a module in python while interactive

...from the importlib library instead: import importlib importlib.reload(some_module) If you are using python 3.2 or 3.3 you should: import imp imp.reload(module) instead. See http://docs.python.org/3.0/library/imp.html#imp.reload If you are using ipython, definitely consider using the autor...
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How does Facebook disable the browser's integrated Developer Tools?

...ason. Chrome wraps all console code in with ((console && console._commandLineAPI) || {}) { <code goes here> } ... so the site redefines console._commandLineAPI to throw: Object.defineProperty(console, '_commandLineAPI', { get : function() { throw 'Nooo!' } }) This is not qu...
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP

I've got this message warning on Netbeans 7.4 for PHP while I'm using $_POST , $_GET , $_SERVER , .... 5 Answers ...
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Copy constructor for a class with unique_ptr

How do I implement a copy constructor for a class that has a unique_ptr member variable? I am only considering C++11. 6 A...
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Is 'switch' faster than 'if'?

... your specific questions: Clang generates one that looks like this: test_switch(char): # @test_switch(char) movl %edi, %eax cmpl $19, %edi jbe .LBB0_1 retq .LBB0_1: jmpq *.LJTI0_0(,%rax,8) jmp void call<0u&g...