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What does the caret (‘^’) mean in C++/CLI?

... // here normal pointer P* ptr = new P; // usual pointer allocated on heap P& nat = *ptr; // object on heap bind to native object //.. here CLI managed MO^ mngd = gcnew MO; // allocate on CLI heap MO% rr = *mngd; // object on CLI heap reference to gc-lvalue In general, the ...
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PHP mkdir: Permission denied problem

I am trying to create a directory with PHP mkdir function but I get an error as follows: Warning: mkdir() [function.mkdir]: Permission denied in ... . How to settle down the problem? ...
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Can JavaScript connect with MySQL?

... No, JavaScript can not directly connect to MySQL. But you can mix JS with PHP to do so. JavaScript is a client-side language and your MySQL database is going to be running on a server share | impr...
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Creating a segue programmatically

...wViewController { MyNewViewController *myNewVC = [[MyNewViewController alloc] init]; // do any setup you need for myNewVC [self presentModalViewController:myNewVC animated:YES]; } and then in your derived class, call that method when the appropriate button is clicked or table row is ...
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How can I use “sizeof” in a preprocessor macro?

...wer, but to add on to Mike's version, here's a version we use that doesn't allocate any memory. I didn't come up with the original size check, I found it on the internet years ago and unfortunately can't reference the author. The other two are just extensions of the same idea. Because they are type...
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How can I measure the speed of code written in PHP? [closed]

...ow three of those : Webgrind ; web interface ; should work on any Apache+PHP server WinCacheGrind ; only on windows KCacheGrind ; probably only Linux and linux-like ; That's the one I prefer, btw To get profiling files, you have to install and configure Xdebug ; take a look at the Profiling PHP...
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Declaration of Methods should be Compatible with Parent Methods in PHP

What are possible causes of this error in PHP? Where can I find information about what it means to be compatible ? 5 Answe...
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Php multiple delimiters in explode

... working. I had to remove the spaces and then it worked as expected (using PHP 7) – Boardy Mar 11 '18 at 0:31  |  show 3 more comments ...
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How to implode array with key and value without foreach in PHP

... You could use http_build_query, like this: <?php $a=array("item1"=>"object1", "item2"=>"object2"); echo http_build_query($a,'',', '); ?> Output: item1=object1, item2=object2 Demo ...
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Sending multipart/formdata with jQuery.ajax

I've got a problem sending a file to a serverside PHP-script using jQuery's ajax-function. It's possible to get the File-List with $('#fileinput').attr('files') but how is it possible to send this Data to the server? The resulting array ( $_POST ) on the serverside php-script is 0 ( NULL ) when us...