大约有 42,000 项符合查询结果(耗时:0.0494秒) [XML]

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Defining a variable with or without export

What is export for? 14 Answers 14 ...
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Java: difference between strong/soft/weak/phantom reference

I have read this article about the topic, but I don't really understand it. Please give me some advice along with examples when describing the concepts. ...
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Use 'class' or 'typename' for template parameters? [duplicate]

When defining a function template or class template in C++, one can write this: 10 Answers ...
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?

Is possible to insert a line break where the cursor is in Vim without entering into insert mode? Here's an example ( [x] means cursor is on x ): ...
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How to determine if a record is just created or updated in after_save

The #new_record? function determines if a record has been saved. But it is always false in the after_save hook. Is there a way to determine whether the record is a newly created record or an old one from update? ...
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Using Linq to get the last N elements of a collection?

Given a collection, is there a way to get the last N elements of that collection? If there isn't a method in the framework, what would be the best way to write an extension method to do this? ...
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How to make junior programmers write tests? [closed]

We have a junior programmer that simply doesn't write enough tests. I have to nag him every two hours, "have you written tests?" We've tried: ...
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How to sort a list/tuple of lists/tuples by the element at a given index?

I have some data either in a list of lists or a list of tuples, like this: 10 Answers ...
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What is the difference between lock and Mutex?

What is the difference between lock and Mutex? Why can't they be used interchangeably? 7 Answers ...
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fatal: Not a valid object name: 'master'

I have a private server running git 1.7 When I 4 Answers 4 ...