大约有 11,380 项符合查询结果(耗时:0.0231秒) [XML]

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Are Java static calls more or less expensive than non-static calls?

Is there any performance benefit one way or another? Is it compiler/VM specific? I am using Hotspot. 12 Answers ...
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When is it better to use String.Format vs string concatenation?

... Before C# 6 To be honest, I think the first version is simpler - although I'd simplify it to: xlsSheet.Write("C" + rowIndex, null, title); I suspect other answers may talk about the performance hit, but to be honest it'll...
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How to save an activity state using save instance state?

I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example: ...
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Meaning of Choreographer messages in Logcat [duplicate]

...w seeing these messages in the logcat, that I'm quite sure, I haven't seen before. Does anyone have an idea about this? 5 A...
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What is the purpose of `text=auto` in `.gitattributes` file?

Mostly .gitattributes file has * text=auto . What is the purpose of text=auto in that file? 3 Answers ...
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Why are quaternions used for rotations?

I'm a physicist, and have been learning some programming, and have come across a lot of people using quaternions for rotations instead of writing things in matrix/vector form. ...
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How to pass object with NSNotificationCenter

I am trying to pass an object from my app delegate to a notification receiver in another class. 5 Answers ...
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How to tell if JRE or JDK is installed

... Maciej CyganMaciej Cygan 4,60244 gold badges3030 silver badges5757 bronze badges 1...
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What's is the difference between include and extend in use case diagram?

What is the difference between include and extend in a use case diagram ? 19 Answers ...
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What do people find difficult about C pointers? [closed]

From the number of questions posted here, it's clear that people have some pretty fundemental issues when getting their heads around pointers and pointer arithmetic. ...