大约有 42,000 项符合查询结果(耗时:0.0572秒) [XML]

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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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What are the benefits of Java's types erasure?

I read a tweet today that said: 11 Answers 11 ...
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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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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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A type for Date only in C# - why is there no Date type?

In our C# project we have the need for representing a date without a time. I know of the existence of the DateTime, however, it incorporates a time of day as well. I want to make explicit that certain variables and method-arguments are date-based . Hence I can't use the DateTime.Date property ...
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The case against checked exceptions

For a number of years now I have been unable to get a decent answer to the following question: why are some developers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the first person I saw speak out against them). ...
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?

Why would you create a "Implicitly Unwrapped Optional" vs creating just a regular variable or constant? If you know that it can be successfully unwrapped then why create an optional in the first place? For example, why is this: ...
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Best way for a 'forgot password' implementation? [closed]

I'm looking for the best method to implement a "forgot password" feature. 10 Answers 1...
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Is Ruby pass by reference or by value?

@user object adds errors to the lang_errors variable in the update_lanugages method. when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable. ...