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What are the differences between a pointer variable and a reference variable in C++?

...ces and pointers do not have to take space on the stack. They can both be allocated on the heap. – Derek Park Sep 19 '08 at 4:33 22 ...
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How to repair a serialized string which has been corrupted by an incorrect byte count length?

...en ( $data2 )) ? strlen ( $data1 ) : strlen ( $data2 ); echo $data1 . PHP_EOL; echo $data2 . PHP_EOL; for($i = 0; $i < $max; $i ++) { if (@$data1 {$i} !== @$data2 {$i}) { echo "Diffrence ", @$data1 {$i}, " != ", @$data2 {$i}, PHP_EOL; echo "\t-> ...
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Which $_SERVER variables are safe?

...lett.org/blog/2006/mar/server-name-versus-http-host. ‡ See https://bugs.php.net/bug.php?id=64457, http://httpd.apache.org/docs/current/mod/core.html#usecanonicalphysicalport, http://httpd.apache.org/docs/2.4/mod/core.html#comment_999 Entirely arbitrary user controlled values These values are no...
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?

... your cache. Now to test this theory there are couple things you can do: Allocate your array matice2 array like this matice2 [razmor, 4096], and run with razmor = 1024, 1025 or any size, and you should see very bad performance compared to what you had before. This is because you forcefully align a...
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How can I compare two dates in PHP?

How can I compare two dates in PHP? 13 Answers 13 ...
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Click Event on UIImageView programmatically in ios

...jective-c UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapDetected)]; singleTap.numberOfTapsRequired = 1; [preArrowImage setUserInteractionEnabled:YES]; [preArrowImage addGestureRecognizer:singleTap]; -(void)tapDetected{ NSLog(@"si...
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Default visibility of class methods in PHP

...ithout any explicit visibility keyword are defined as public. http://www.php.net/manual/en/language.oop5.visibility.php share | improve this answer | follow ...
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How to access remote server with local phpMyAdmin client?

Assuming there is a remote server and I have phpMyAdmin client installed localy on my computer. How can I access this server and manage it via phpMyAdmin client? Is that possible? ...
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Get the client IP address using PHP [duplicate]

I want to get the client IP address who uses my website. I am using the PHP $_SERVER superglobal: 5 Answers ...
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Access-Control-Allow-Origin error sending a jQuery Post to Google API's

...it was not cross domain but the same domain. I just added this line to the php file which was handling the ajax request. <?php header('Access-Control-Allow-Origin: *'); ?> It worked like a charm. Thanks to the poster ...