大约有 43,000 项符合查询结果(耗时:0.0730秒) [XML]

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What's the difference between `1L` and `1`?

... (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code? ...
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Difference between res.send and res.json in Express.js

What is actual difference between res.send and res.json as both seems to perform same operation of responding to client. ...
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Interfaces with static fields in java for sharing 'constants'

I'm looking at some open source Java projects to get into Java and notice a lot of them have some sort of 'constants' interface. ...
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Casperjs/PhantomJs vs Selenium

... have seen majority of our users using Chrome. So we wanted to know - pros and cons of using PhantomJS vs Selenium: 5 Answe...
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What causes java.lang.IncompatibleClassChangeError?

I'm packaging a Java library as a JAR, and it's throwing many java.lang.IncompatibleClassChangeError s when I try to invoke methods from it. These errors seem to appear at random. What kinds of problems could be causing this error? ...
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Managing large binary files with Git

I am looking for opinions of how to handle large binary files on which my source code (web application) is dependent. We are currently discussing several alternatives: ...
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Error-Handling in Swift-Language

... thing I noticed is that there are no exceptions. So how do they do error handling in Swift? Has anyone found anything related to error-handling? ...
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How do I make a batch file terminate upon encountering an error?

I have a batch file that's calling the same executable over and over with different parameters. How do I make it terminate immediately if one of the calls returns an error code of any level? ...
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How do I read the contents of a Node.js stream into a string variable?

...hacking on a Node program that uses smtp-protocol to capture SMTP emails and act on the mail data. The library provides the mail data as a stream, and I don't know how to get that into a string. ...
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Sum a list of numbers in Python

I have a list of numbers such as [1,2,3,4,5...] , and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third, (3+4)/2 , and so on. How can I do that? ...