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Finding duplicate values in MySQL

... But how is this useful if you can't get the IDs of the rows with duplicate values? Yes, you can do a new query matching for each duplicate value, but is it possible to simply list the duplicates? – NobleUplift ...
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Total number of items defined in an enum

... System.Enum.GetNames, if you aren't already including the System namespace. – Brett Pennings Feb 3 '15 at 2:55 5 ...
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angularJS: How to call child scope function in parent scope

... That's pretty cool! But, what if you don't (want to) know where the caller scope is (I mean in $scope.$parent or in $scope.$parent.$parent, etc)? Ah, yes: pass a callback in params! :) – user2173353 Jul 28 '14 at 11:...
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How can I verify if a Windows Service is running

...rvice typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this? ...
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Use Font Awesome Icon in Placeholder

... You can't add an icon and text because you can't apply a different font to part of a placeholder, however, if you are satisfied with just an icon then it can work. The FontAwesome icons are just characters with a custom font (you can look at the FontAwesome Cheatsheet for the escape...
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Calculating text width

...on the third line after '</span>', though it doesn't seem to make a difference (worked with or without it on FF9). – shmeeps Jan 12 '12 at 18:33 ...
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When to use nil, blank, empty? [duplicate]

Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ? 4 Answers ...
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Is HTML considered a programming language? [closed]

...guess the question is self-explanatory, but I'm wondering whether HTML qualifies as a programming language (obviously the "L" stands for language). ...
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How do I specify the exit code of a console application in .NET?

...on in .NET. It's just a test part of a larger application. I'd like to specify the "exit code" of my console application. How do I do this? ...
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What is the difference D3 datum vs. data?

Can someone please explain the difference between datum() and data() in D3.js? I see both being used and I am not sure why you should choose one over the other? ...