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Origin is not allowed by Access-Control-Allow-Origin

...rstand the underlying security issue. In my case, 2 servers are running locally, and like to enable cross domain requests during testing. ...
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Remove the last three characters from a string

... read last 3 characters from string [Initially asked question] You can use string.Substring and give it the starting index and it will get the substring starting from given index till end. myString.Substring(myString.Length-3) Retrieves a substring from this...
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How To Test if Type is Primitive

... This is great, I had to manually add Guid for my own purposes (as a primitive in my definition). – Erik Philips Jul 27 '12 at 22:54 ...
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Center image horizontally within a div

...age are not working I thought I would ask. How can I center align (horizontally) an image inside its container div? 21 Answ...
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How to remove a key from a Python dictionary?

...osentino No, ignoring the return value of a function is not inefficient at all. Quite the opposite – this solution is much faster than the try/except solution if the key does not exist. You might find one or the other easier to read, which is fine. Both are idiomatic Python, so choose whatever ...
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Rename column SQL Server 2008

... You are allowed and encouraged to put brackets in the first parameter, identifying the column, but not in the second parameter. Like this: EXEC sp_RENAME '[TableName].[OldColumnName]', 'NewColumnName', 'COLUMN' –...
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Is there a best practice for generating html with javascript

I'm calling a web service that returns an array of objects in JSON. I want to take those objects and populate a div with HTML. Let's say each object contains a url and a name. ...
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css z-index lost after webkit transform translate3d

...s might be related to: https://bugs.webkit.org/show_bug.cgi?id=61824 Basically when you apply a 3D transform on the z-axis, the z-index can't be accounted for anymore (you're now in a 3 dimensional rendering plane, use different z-values). If you want to switch back to 2D rendering for child elemen...
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When to use -retainCount?

...ike to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it. 11 A...
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Change navbar color in Twitter Bootstrap

...lor: $colHighlight; background-color: $bgHighlight; }}} } And finally, a little gift I've just made a script which will allow you to generate your theme: TWBSColor - Generate your own Bootstrap navbar [Update]: TWBSColor now generates SCSS/SASS/Less/CSS code. [Update]: From now, you can...