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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? ...
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Visual Studio (2008) 'Clean Solution' Option

What does this option do? It is accessible from the Build menu. 7 Answers 7 ...
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Which iomanip manipulators are 'sticky'?

I recently had a problem creating a stringstream due to the fact that I incorrectly assumed std::setw() would affect the stringstream for every insertion, until I changed it explicitly. However, it is always unset after the insertion. ...
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Performance of foreach, array_map with lambda and array_map with static function

...formance difference (if there is any) between these three approaches, both used to transform an array to another array? 3 A...
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How to correctly use “section” tag in HTML5?

I'm trying to build a layout in HTML5 and after reading several different articles I'm just confused. I'm trying to get some input on how it should be used. ...
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Update relationships when saving changes of EF4 POCO objects

...t the state of the object, all related objects and all relations is set to Unchanged. Use context.ObjectStateManager.ChangeObjectState to set your BlogPost to Modified Iterate through Tag collection Use context.ObjectStateManager.ChangeRelationshipState to set state for relation between current Tag ...
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Working with Enums in android

I am almost done with a calculation activity I am working with in android for my app. I try to create a Gender Enum, but for some reason getting Syntax error, insert "EnumBody" to complete EnumDeclaration. ...
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?

I've already read the question and answers to What design decisions would favour Scala's Actors instead of JMS? . 3 Answer...
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Is cout synchronized/thread-safe?

In general I assume that streams are not synchronized, it is up to the user to do appropriate locking. However, do things like cout get special treatment in the standard library? ...
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What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet

I've been getting the same old error every time I test a new URL from my browser's address bar when I'm returning Json (using the built-in MVC JsonResult helper ): ...