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What does it mean when an HTTP request returns status code 0?

...requests using jQuery var xhr = $.ajax({ type: "POST", url: "some.php", data: "name=John&location=Boston", success: function(msg){ alert( "Data Saved: " + msg ); } }); //kill the request xhr.abort() It's worth noting that running the .abort() method on an XHR objec...
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Is there a 'foreach' function in Python 3?

... Every occurence of "foreach" I've seen (PHP, C#, ...) does basically the same as pythons "for" statement. These are more or less equivalent: // PHP: foreach ($array as $val) { print($val); } // C# foreach (String val in array) { console.writeline(val); }...
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How can I check whether an array is null / empty?

...won't be null. e.g. int[] numbers = new int[3]; In this case, the space is allocated & each of the element has a default value of 0. It will be null, when you don't new it up. e.g. int[] numbers = null; // changed as per @Joachim's suggestion. if (numbers == null) { System.out.println("yes...
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Escaping quotes and double quotes

... were looking for? The error PowerShell gave me referred to an unexpected token 'sort1', and that's how I determined where to put the backticks. The @' ... '@ syntax is called a "here string" and will return exactly what is entered. You can also use them to populate variables in the following fash...
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Comet and jQuery [closed]

... module and includes code for simple publisher/subscriber roles in jQuery, PHP, and Bash. http://blog.jamieisaacs.com/2010/08/27/comet-with-nginx-and-jquery/ A working example (simple chat) can be found here: http://cheetah.jamieisaacs.com/ ...
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No secret option provided to Rack::Session::Cookie warning?

...::Cookie. options[:secret] ||= Rails.application.config.secret_token super end end share | improve this answer | follow ...
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How to draw border around a UILabel?

...BorderLabel It's quite simple: GSBorderLabel *myLabel = [[GSBorderLabel alloc] initWithTextColor:aColor andBorderColor:anotherColor andBorderWidth:2]; ...
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How many files can I put in a directory?

...d for storing thumbnails and on a Linux server. Listed files via FTP or a php function is slow yes, but there is also a performance hit on displaying the file. e.g. www.website.com/thumbdir/gh3hg4h2b4h234b3h2.jpg has a wait time of 200-400 ms. As a comparison on another site I have with a around 10...
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HTML/CSS: Making two floating divs the same height

...ingle quotes according to this discussion: sitepoint.com/forums/showthread.php?t=54273#6 – instanceof me Jul 30 '09 at 10:57 1 ...
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Encode URL in JavaScript?

.... Let's say I want to browse to http://somedomain/this dir has spaces/info.php?a=this has also spaces. It should be converted to: http://somedomain/this%20dir%20has%spaces/info.php?a=this%20has%20also%20spaces but many implementations allow '%20' in the querystring to be replaced by '+'. Nevertheles...