大约有 43,000 项符合查询结果(耗时:0.0719秒) [XML]

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How can I reliably determine the type of a variable that is declared using var at design time?

I'm working on a completion (intellisense) facility for C# in emacs. 8 Answers 8 ...
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Remove duplicated rows

I have read a CSV file into an R data.frame. Some of the rows have the same element in one of the columns. I would like to remove rows that are duplicates in that column. For example: ...
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Objective-C: difference between id and void *

What is the difference between id and void * ? 7 Answers 7 ...
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Can an abstract class have a constructor?

Can an abstract class have a constructor? 22 Answers 22 ...
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What is external linkage and internal linkage?

I want to understand the external linkage and internal linkage and their difference. 9 Answers ...
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Difference between case object and object

Is there any difference between case object and object in scala? 7 Answers 7 ...
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In where shall I use isset() and !empty()

I read somewhere that the isset() function treats an empty string as TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form. ...
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In Clojure, when should I use a vector over a list, and the other way around?

I read that Vectors are not seqs, but Lists are. I'm not sure what the rationale is for using one over the other. It seems that vectors are used the most, but is there a reason for that? ...
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Alternate FizzBuzz Questions [closed]

Anybody have any good FizzBuzz type questions that are not the FizzBuzz problem? 14 Answers ...
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C++ project organisation (with gtest, cmake and doxygen)

I am new to programming in general so I decided that I would start by making a simple vector class in C++. However I would like to get in to good habits from the start rather than trying to modify my workflow later on. ...