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UILabel Align Text to center
... a sample code showing how to align text using UILabel:
label = [[UILabel alloc] initWithFrame:CGRectMake(60, 30, 200, 12)];
label.textAlignment = NSTextAlignmentCenter;
You can read more about it here UILabel
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Interpret XMP-Metadata in ALAssetRepresentation
... a buffer to hold the data for the asset's image
uint8_t *buffer = (Byte*)malloc(representation.size); // Copy the data from the asset into the buffer
NSUInteger length = [representation getBytes:buffer fromOffset: 0.0 length:representation.size error:nil];
if (length==0)
return nil;
// Conve...
How to use the PI constant in C++
...rd library which is magnitudes bigger than C++' (e.g. Python, Haskell, C#, PHP, Delphi, Erlang, Java, ......). From personal experience, that elitist not gonna use libs-opinion is a pest and probably the number one reason for bad software written in C++.
– Sebastian Mach
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Get value from SimpleXMLElement Object
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silly question, but isn't that a bug? see php.net/simplexml#95762 why you don't have to cast type on some fields but on others you have to?
– gcb
Feb 16 '14 at 9:39
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LINQ equivalent of foreach for IEnumerable
...he first case the developer 1) saves almost no typing and 2) unnecessarily allocates memory to store the entire sequence as a list before throwing it away. Think before you LINQ
– Mark Sowul
Jul 29 '13 at 4:21
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...d. From what I've understood, this transformation can result in additional allocations of closure objects. This means worse performance in some cases, but as Johan Tibell suggests in his blog post this can be avoided if the resulting wrapper can be inlined.
– hammar
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How do I modify the URL without reloading the page?
...entries, respectively.
window.history.pushState('page2', 'Title', '/page2.php');
Read more about this from here
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Check if a string contains a string in C++
... which is expensive, particularly for longer strings that necessitate heap allocations. Further, say you call CheckSubstring("XYZab", "ab\0\0") - the while loop will end up comparing a to a, b to b, the implicit NUL at the end of the first string to the explicit NUL in the second, then it will read...
How to prevent caching of my Javascript file? [duplicate]
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<script src="test.js?random=<?php echo uniqid(); ?>"></script>
EDIT: Or you could use the file modification time so that it's cached on the client.
<script src="test.js?random=<?php echo filemtime('test.js'); ?>"></script>...
Set Background cell color in PHPExcel
How to set specific color to active cell when creating XLS document in PHPExcel?
10 Answers
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