大约有 43,000 项符合查询结果(耗时:0.0708秒) [XML]

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Why should I use 'li' instead of 'div'?

...t sure why I need to use ul-li vs simply using divs when listing items. I can make both look exactly the same so where is the functional advantage to creating an unordered list vs lining up divs? ...
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Is it possible to use “/” in a filename?

I know that this is not something that should ever be done, but is there a way to use the slash character that normally separates directories within a filename in Linux? ...
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What is InputStream & Output Stream? Why and when do we use them?

Someone explain to me what InputStream and OutputStream are? 8 Answers 8 ...
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GOTO still considered harmful? [closed]

Everyone is aware of Dijkstra's Letters to the editor: go to statement considered harmful (also here .html transcript and here .pdf) and there has been a formidable push since that time to eschew the goto statement whenever possible. While it's possible to use goto to produce unmaintainable, s...
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var functionName = function() {} vs function functionName() {}

I've recently started maintaining someone else's JavaScript code. I'm fixing bugs, adding features and also trying to tidy up the code and make it more consistent. ...
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Why is Linux called a monolithic kernel?

I read that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable? ...
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How can you do anything useful without mutable state?

I've been reading a lot of stuff about functional programming lately, and I can understand most of it, but the one thing I just can't wrap my head around is stateless coding. It seems to me that simplifying programming by removing mutable state is like "simplifying" a car by removing the dashboard:...
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What is the meaning of single and double underscore before an object name?

Can someone please explain the exact meaning of having leading underscores before an object's name in Python, and the difference between both? ...
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Should switch statements always contain a default clause?

In one of my first code reviews (a while back), I was told that it's good practice to include a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now. ...
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The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or

R provides two different methods for accessing the elements of a list or data.frame: [] and [[]] . 12 Answers ...