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How do you pass a function as a parameter in C?

...&dosomething; func(); For a function that returns an int and takes a char you would do typedef int (*functiontype2)(char); and to use it int dosomethingwithchar(char a) { return 1; } functiontype2 func2 = &dosomethingwithchar int result = func2('a'); There are libraries that can hel...
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Maximum filename length in NTFS (Windows XP and Windows Vista)?

...ch subdirectory along the path, and the final filename) are limited to 255 characters, and the total path length is limited to approximately 32,000 characters. However, on Windows, you can't exceed MAX_PATH value (259 characters for files, 248 for folders). See http://msdn.microsoft.com/en-us/libr...
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When is assembly faster than C?

...l1 fstp result fstp result } return result; } int main (int, char **) { int count = 1000000; float *source = new float [count]; for (int i = 0 ; i < count ; ++i) { source [i] = static_cast <float> (rand ()) / static_cast <float> (RAND_MAX); } LARGE_INTEG...
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JavaScript - Replace all commas in a string [duplicate]

...ave issues? It is important to note, that regular expressions use special characters that need to be escaped. As an example, if you need to escape a dot (.) character, you should use /\./ literal, as in the regex syntax a dot matches any single character (except line terminators). var myStr = ...
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Reset auto increment counter in postgres

... Does anyone know why ALTER SEQUENCE product_id_seq RESTART WITH (SELECT MAX(id) from product); Doesn't work? The only way I found is to use two separate queries. – Chris Huang-Leaver Dec 20 '18 at 3:14 ...
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How can I add a PHP page to WordPress?

...reen you'll see a Template dropdown in the Attributes widget to the right. Select your new template and publish the page. Your new page will use the PHP code defined in templatename.php Source: Creating Custom Page Templates for Global Use ...
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What is the maximum length of latitude and longitude? [closed]

...12.3456789), longitude 10 (123.4567890), they both have maximum 7 decimals chars (At least is what i can find in Google Maps), For example, both columns in Rails and Postgresql looks something like this: t.decimal :latitude, precision: 9, scale: 7 t.decimal :longitude, precision: 10, scale: 7 ...
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How to remove first 10 characters from a string?

How to ignore the first 10 characters of a string? 12 Answers 12 ...
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PHP: Move associative array element to beginning of array

... You can use the array union operator (+) to join the original array to a new associative array using the known key (one). $myArray = array('one' => $myArray['one']) + $myArray; // or ['one' => $myArray['one']] + $myArray; Array keys ar...
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Difference between angle bracket < > and double quotes “ ” while including header files in C++? [dup

...tion 6.10.2): A preprocessing directive of the form # include &lt;h-char-sequence&gt; new-line searches a sequence of implementation-defined places for a header identified uniquely by the specified sequence between the &lt; and &gt; delimiters, and causes the replacement of that directi...