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Python != operation vs “is not”

... == is an equality test. It checks whether the right hand side and the left hand side are equal objects (according to their __eq__ or __cmp__ methods.) is is an identity test. It checks whether the right hand side and the left hand side are the very same object. No methodcalls are d...
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HTML5 Email Validation

It is said "With HTML5, we need no more js or a server side code to check if the user's input is a valid email or url address" ...
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HTTP status code for update and delete?

...hat should be the HTTP status code is the request sent by the client is valid (DELETE mySite/entity/123) and the entity to delete does not exist. – Martin Dec 30 '11 at 21:27 69 ...
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Using CSS for a fade-in effect on page load

...n { from { opacity: 0; } to { opacity: 1; } } Demo http://jsfiddle.net/SO_AMK/VV2ek/ Browser Support All modern browsers and Internet Explorer 10 (and later): http://caniuse.com/#feat=css-animation Method 2: Alternatively, you can use jQuery (or plain JavaScript; see the third...
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Comparing date ranges

...example, you can see that it matches those two rules. You will need to decide wether the following periods are IN or OUTSIDE your ranges: |-------------| |-------| equal end with start of comparison period |-----| equal start with end ...
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What is the opposite of evt.preventDefault();

...ger preventing it. Otherwise I'm inclined to point you to the answers provided by another comments and answers: How to unbind a listener that is calling event.preventDefault() (using jQuery)? How to reenable event.preventDefault? Note that the second one has been accepted with an example solutio...
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Get characters after last / in url

... Very simply: $id = substr($url, strrpos($url, '/') + 1); strrpos gets the position of the last occurrence of the slash; substr returns everything after that position. As mentioned by redanimalwar if there is no slash this doesn't work...
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How to sort a NSArray alphabetically?

... The simplest approach is, to provide a sort selector (Apple's documentation for details) Objective-C sortedArray = [anArray sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)]; Swift let descriptor: NSSortDescriptor = NSSortDescriptor(...
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Create or write/append in text file

... Try something like this: $txt = "user id date"; $myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); share | improve this answer ...
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How to trigger a click on a link using jQuery

...he anchor, then the code you have will work I recreated your example in jsfiddle with an added eventHandler so you can see that it works: $(document).on("click", "a", function(){ $(this).text("It works!"); }); $(document).ready(function(){ $("a").trigger("click"); }); Are you trying to c...