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CORS Access-Control-Allow-Headers wildcard being ignored?

I am having trouble getting a cross domain CORS request to work correctly using Chrome. 5 Answers ...
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what is the difference between GROUP BY and ORDER BY in sql

When do you use which in general? Examples are highly encouraged! 11 Answers 11 ...
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Best practices for Storyboard login screen, handling clearing of data upon logout

I'm building an iOS app using a Storyboard. The root view controller is a Tab Bar Controller. I'm creating the login/logout process, and it's mostly working fine, but I've got a few issues. I need to know the BEST way to set all this up. ...
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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta

I receive following error when I save the object using Hibernate 30 Answers 30 ...
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What's the difference between session.Merge and session.SaveOrUpdate?

... . Usually, when I need to call SaveOrUpdate , the exception I get on calling Merge has to do with transient objects not being saved first. ...
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Rank function in MySQL

I need to find out rank of customers. Here I am adding the corresponding ANSI standard SQL query for my requirement. Please help me to convert it to MySQL . ...
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jQuery scroll to element

I have this input element: 32 Answers 32 ...
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Setting EditText imeOptions to actionNext has no effect

...have a fairly complex (not really) xml layout file. One of the views is a LinearLayout ( v1 ) with two children: an EditText( v2 ) and another LinearLayout( v3 ). The child LinearLayout in turn has an EditText( v4 ) and an ImageView( v5 ). ...
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How to efficiently compare two unordered lists (not sets) in Python?

...uld be considered equal, because they have exactly the same elements, only in different order. 10 Answers ...
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jQuery select by attribute using AND and OR operators

I'm thinking about, if it is possible in jQuery to select elements by named attributes using AND and OR. 8 Answers ...