大约有 42,000 项符合查询结果(耗时:0.0519秒) [XML]

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Why does Math.Round(2.5) return 2 instead of 3?

In C#, the result of Math.Round(2.5) is 2. 15 Answers 15 ...
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When and how should I use a ThreadLocal variable?

When should I use a ThreadLocal variable? 25 Answers 25 ...
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How to add an object to an array

How can I add an object to an array (in javascript or jquery)? For example, what is the problem with this code? 13 Answ...
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How to directly initialize a HashMap (in a literal way)?

Is there some way of initializing a Java HashMap like this?: 14 Answers 14 ...
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Determine the type of an object?

Is there a simple way to determine if a variable is a list, dictionary, or something else? I am getting an object back that may be either type and I need to be able to tell the difference. ...
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Why can't we have static method in a (non-static) inner class?

Why can't we have static method in a non-static inner class? 14 Answers 14 ...
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REST API Token-based Authentication

I'm developing a REST API that requires authentication. Because the authentication itself occurs via an external webservice over HTTP, I reasoned that we would dispense tokens to avoid repeatedly calling the authentication service. Which brings me neatly to my first question: ...
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What is the best way to implement nested dictionaries?

I have a data structure which essentially amounts to a nested dictionary. Let's say it looks like this: 21 Answers ...
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How does python numpy.where() work?

I am playing with numpy and digging through documentation and I have come across some magic. Namely I am talking about numpy.where() : ...
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Where can I learn jQuery? Is it worth it?

I've had a lot of good experiences learning about web development on w3schools.com . It's hit or miss, I know, but the PHP and CSS sections specifically have proven very useful for reference. ...