大约有 47,000 项符合查询结果(耗时:0.0815秒) [XML]

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Is it possible to assign numeric value to an enum in Java?

Is anything like this possible in Java? Can one assign custom numeric values to enum elements in Java? 5 Answers ...
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How to initialize an array in Java?

I am initializing an array like this: 10 Answers 10 ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...
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What is the difference between “AS” and “IS” in an Oracle stored procedure?

I see Oracle procedures sometimes written with "AS", and sometimes with "IS" keyword. 6 Answers ...
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How to PUT a json object with an array using curl

I have a series of data to enter into database. The user interface to enter the data isn't good for bulk entry, so I'm trying to formulate a command line equivalent. When I examine the network request of the UI in chrome, I see a PUT request of a json object. When I try to replicate the request ...
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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars

I have been reading a lot about iOS7 UI transition. 5 Answers 5 ...
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Why does javascript map function return undefined?

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Rails - Validate Presence Of Association?

I have a model A that has a "has_many" association to another model B. I have a business requirement that an insert into A requires at least 1 associated record to B. Is there a method I can call to make sure this is true, or do I need to write a custom validation? ...
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What does dot (.) mean in a struct initializer?

I don't understand this C syntax well. I can't even search because I don't know the syntax's name. What's that? 4 Answers ...
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Where does Git store the SHA1 of the commit for a submodule?

I know that when you add a submodule to a git repository it tracks a particular commit of that submodule referenced by its sha1. ...