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Aren't Python strings immutable? Then why does a + “ ” + b work?

... The truly important point to take away from all this is that strings don't have an append function because they're immutable. – Lily Chung Oct 16 '14 at 21:02 ...
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What is the difference between a WCF Service Application and a WCF Service Library?

....NET, or even a console application) and you'd just reference your library from your new host. Choosing a Service Application limits your host to just IIS/ASP.NET (though this might be ok for your purposes, but will limit the protocols you can use). Edit: Changes in IIS since I wrote this allow fo...
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How do you use the ? : (conditional) operator in JavaScript?

...ours() > 17) greeting += " evening."; else greeting += " day."; From MSDN JS documentation. Basically it's a shorthand conditional statement. Also see: Operator precedence with Javascript Ternary operator Wikipedia ...
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Android check internet connection [duplicate]

... } } return false; } Please use this in a separate thread from the main thread as it makes a network call and will throw NetwrokOnMainThreadException if not followed. And also do not put this method inside onCreate or any other method. Put it inside a class and access it. ...
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How to find if div with specific id exists in jQuery?

... any additional ideas from anyone? – sadmicrowave Aug 2 '10 at 13:53 2 ...
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How to instantiate a File object in JavaScript?

...lob that you can use in place of File as it is what File interface derives from as per W3C spec: interface File : Blob { readonly attribute DOMString name; readonly attribute Date lastModifiedDate; }; The File interface is based on Blob, inheriting blob functionality and expanding it t...
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Converting A String To Hexadecimal In Java

...the most pure sample of 3vilness I ever saw: using a BigInteger to convert from a byte[]... – Eduardo Costa Jul 5 '11 at 21:07 13 ...
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How to create a jQuery function (a new jQuery method or plugin)?

... From the Docs: (function( $ ){ $.fn.myfunction = function() { alert('hello world'); return this; }; })( jQuery ); Then you do $('#my_div').myfunction(); ...
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What is the cleanest way to get the progress of JQuery ajax request?

... From the docs: Set default values for future Ajax requests. Its use is not recommended. – Oyvind Dec 10 '19 at 7:58 ...
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Fill between two vertical lines in matplotlib

...eight of the plot). To illustrate this, let's make the rectangle extend from 10% to 90% of the height (instead of taking up the full extent). Try zooming or panning, and notice that the y-extents say fixed in display space, while the x-extents move with the zoom/pan: import matplotlib.pyplot as...