大约有 9,000 项符合查询结果(耗时:0.0295秒) [XML]

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Comparing boxed Long values 127 and 128

I want to compare two Long objects values using if conditions. When these values are less than 128 , the if condition works properly, but when they are greater than or equal to 128 , comparison fails. ...
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How to get the command line args passed to a running process on unix/linux systems?

On SunOS there is pargs command that prints the command line arguments passed to the running process. 13 Answers ...
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Fastest way to determine if an integer's square root is an integer

I'm looking for the fastest way to determine if a long value is a perfect square (i.e. its square root is another integer): ...
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Best way to define private methods for a class in Objective-C

I just started programming Objective-C and, having a background in Java, wonder how people writing Objective-C programs deal with private methods. ...
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“Undefined reference to” template class constructor [duplicate]

I have no idea why this is happenning, since I think I have everything properly declared and defined. 3 Answers ...
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Delete a project from SonarQube

Does anyone know how to delete a project from a SonarQube server? 14 Answers 14 ...
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I forgot the password I entered during postgres installation

I either forgot or mistyped (during the installation) the password to the default user of Postgres. I can't seem to be able to run it and I get the following error: ...
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Vim search and replace selected text

Let's say we have a text, and I enter visual mode and select some text. How do I quickly do a search for the highlighted text and replace it with something else? ...
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What is the difference between . (dot) and $ (dollar sign)?

What is the difference between the dot (.) and the dollar sign ($) ? 13 Answers 13 ...
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How do I extract a sub-hash from a hash?

I have a hash: 16 Answers 16 ...