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What is the difference between quiet NaN and signaling NaN?
...: Generally, the purpose of a signaling NaN (sNaN) is for debugging. For example, floating-point objects might be initialized to sNaN. Then, if the program fails to one of them a value before using it, an exception will occur when the program uses the sNaN in an arithmetic operation. A program will ...
“’” showing on page instead of “ ' ”
...nformation, solutions are targeted on Java environments.
How to setup your PHP site to use UTF8, targeted on PHP environments.
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Find files containing a given text
...nt to return file name (and the path to the file) for every file of type .php|.html|.js containing the case-insensitive string "document.cookie" | "setcookie"
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Permutations in JavaScript?
... function parameter with a default value.
– Mr. Lavalamp
May 19 '16 at 21:52
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What are some uses of template template parameters?
I've seen some examples of C++ using template template parameters (that is templates which take templates as parameters) to do policy-based class design. What other uses does this technique have?
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UTF-8 all the way through
...rs. I wish I were kidding.
Data Access:
In your application code (e.g. PHP), in whatever DB access method you use, you'll need to set the connection charset to utf8mb4. This way, MySQL does no conversion from its native UTF-8 when it hands data off to your application and vice versa.
Some driv...
Loading cross-domain endpoint with AJAX
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Just put this in the header of your PHP Page and it ill work without API:
header('Access-Control-Allow-Origin: *'); //allow everybody
or
header('Access-Control-Allow-Origin: http://codesheet.org'); //allow just one domain
or
$http_origin = $_SERVER['...
How to make an OpenGL rendering context with transparent background?
... cyDIB = cy ;
int iSize = sizeof(BITMAPINFOHEADER);
memset(&BIH, 0, iSize);
BIH.biSize = iSize;
BIH.biWidth = cx;
BIH.biHeight = cy;
BIH.biPlanes = 1;
BIH.biBitCount = 24;
BIH.biCompression = BI_RGB;
if(pdcDIB)
verify(DeleteDC(pdc...
What does the Reflect object do in JavaScript?
...by the draft document found on the wiki,
http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts
We get the line about "single ordinary object" which it clarifies in the draft. It also has the function definitions.
The wiki should be reliable since you can find a link to it from the ...
How do I turn off PHP Notices?
I've already commented out display_errors in php.ini , but is not working.
16 Answers
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