大约有 43,000 项符合查询结果(耗时:0.0526秒) [XML]

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Generate a random point within a circle (uniformly)

I need to generate a uniformly random point within a circle of radius R . 21 Answers ...
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Usage of __slots__?

...s__ in Python — especially with respect to when I would want to use it, and when not? 11 Answers ...
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Difference between framework and static library in xcode4, and how to call them

I am quite new to xcode and objective-c. I want to ask a very basic question. 2 Answers ...
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What is the difference between Serializable and Externalizable in Java?

What is the difference between Serializable and Externalizable in Java? 11 Answers ...
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Difference between StringBuilder and StringBuffer

What is the main difference between StringBuffer and StringBuilder ? Is there any performance issues when deciding on any one of these? ...
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Python - doctest vs. unittest [closed]

I'm trying to get started with unit testing in Python and I was wondering if someone could explain the advantages and disadvantages of doctest and unittest. ...
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Java: Difference between PrintStream and PrintWriter

What is the difference between PrintStream and PrintWriter ? They have many methods in common due to which I often mix these two classes up. Moreover, I think we can use them for exactly the same things. But there has to be a difference, otherwise, there would have been only one class. ...
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Postgres and Indexes on Foreign Keys and Primary Keys

Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table? ...
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How to set the prototype of a JavaScript object that has already been instantiated?

...e I have an object foo in my JavaScript code. foo is a complex object and it is generated somewhere else. How can I change the prototype of the foo object? ...
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How to use the same C++ code for Android and iOS?

Android with NDK has support to C/C++ code and iOS with Objective-C++ has support too, so how can I write applications with native C/C++ code shared between Android and iOS? ...