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Why aren't superclass __init__ methods automatically invoked?

...ar (it is called during the creation of a new object, after that object is allocated, to set member variables on the new object), and is almost always the place to implement functionality that in other languages you would put in a constructor. So just call it a constructor! – B...
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Ajax success event not working

... that's all I care about. $.ajax({ type: 'POST', url: 'somescript.php', data: someData, complete: function(jqXHR) { if(jqXHR.readyState === 4) { ... run some code ... } } }); in jQuery 1.5 you can also do it like this. var ajax = $.ajax({ ...
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How to Rotate a UIImage 90 degrees?

...eImage = [UIImage imageNamed:imgname]; UIImage * portraitImage = [[UIImage alloc] initWithCGImage: landscapeImage.CGImage scale: 1.0 orientation: UIImageOrientationRight]; Note: As Brainware said th...
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How do I convert a Vector of bytes (u8) to a string

...("result: {}", s); } The conversion is in-place, and does not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available). The library reference for the conversion function: std::str::from_utf8 ...
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Reading a file line by line in Go

...ze per line. You will get bufio.ErrTooLong error, which is bufio.Scanner: token too long if the line is too long. In which case, you'll have to use bufio.ReaderLine() or ReadString(). – eduncan911 Oct 21 '14 at 14:49 ...
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Loop backwards using indices in Python?

... This is better than the accepted answer since it doesn't actually allocate all the numbers in memory (in Python 3 the accepted answer wouldn't either), plus it's more obvious what is happening. – Blixt Mar 23 '12 at 13:52 ...
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Sort array of objects by object fields

... second argument. Here are some examples: Using anonymous functions (from PHP 5.3) usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);}); From inside a class usort($your_data, array($this, "cmp")); // "cmp" should be a method in the class Using arrow functions (from...
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?

...fficient - a long long type in GNU C and POSIX/SuS, or sprintf('%u'...) in PHP or the BCmath extension. What are some potentially breaking use cases even though we're not yet in 2038? So a MySQL DATETIME has a range of 1000-9999, but TIMESTAMP only has a range of 1970-2038. If your system stores...
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Parse query string into an array

...se it does not work if you use the same key multiple times (yes because in php array keys are unique). So ?key=lorem&key=ipsum will result in array(["key"]=>"ipsum") The question is, is there a function to get s.th. like this array(["key"]=>array("lorem", "ipsum")) or do I have to create t...
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How to set default value to the input[type=“date”] [duplicate]

... Ah thanks for this! I am defaulting to today's date with php, and I didn't realize that my problem was just the formatting of the date. I was doing <input type="date" value="<?php echo date('m/d/Y'); ?>" name="date" id="date" title="Pick a date" /> And a variety ...