大约有 42,000 项符合查询结果(耗时:0.0637秒) [XML]

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Calculate the median of a billion numbers

If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers? 25 A...
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JPA EntityManager: Why use persist() over merge()?

EntityManager.merge() can insert new objects and update existing ones. 15 Answers 15 ...
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NUnit vs. Visual Studio 2008's test projects for unit testing [closed]

I am going to be starting up a new project at work and want to get into unit testing. We will be using Visual Studio 2008, C#, and the ASP.NET MVC stuff. I am looking at using either NUnit or the built-in test projects that Visual Studio 2008 has, but I am open to researching other suggestions. ...
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What is a “bundle” in an Android application

What is a bundle in an Android application? When to use it? 12 Answers 12 ...
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What's the difference between & and && in MATLAB?

What is the difference between the & and && logical operators in MATLAB? 7 Answers ...
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How do I sort an NSMutableArray with custom objects in it?

What I want to do seems pretty simple, but I can't find any answers on the web. I have an NSMutableArray of objects, and let's say they are 'Person' objects. I want to sort the NSMutableArray by Person.birthDate which is an NSDate . ...
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How can I detect the touch event of an UIImageView?

I have placed an image (UIImageView) on the navigation bar. Now I want to detect the touch event and want to handle the event. How can I do that? ...
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Unit testing for C++ code - Tools and methodology [closed]

I'm working on a large c++ system that is has been in development for a few years now. As part of an effort to improve the quality of the existing code we engaged on a large long-term refactoring project. ...
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Giving UIView rounded corners

My login view has a subview which has a UIActivityView and a UILabel saying "Signing In…". This subview has corners which aren't rounded. How can I make them round? ...
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Array Size (Length) in C#

How can I determine size of an array (length / number of items) in C#? 9 Answers 9 ...