大约有 15,000 项符合查询结果(耗时:0.0268秒) [XML]

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How to specify function types for void (not Void) methods in Java8?

I'm playing around with Java 8 to find out how functions as first class citizens. I have the following snippet: 4 Answers ...
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Generic method multiple (OR) type constraint

Reading this , I learned it was possible to allow a method to accept parameters of multiple types by making it a generic method. In the example, the following code is used with a type constraint to ensure "U" is an IEnumerable<T> . ...
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How to count TRUE values in a logical vector

In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways: ...
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ReadOnlyCollection or IEnumerable for exposing member collections?

Is there any reason to expose an internal collection as a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection? ...
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Bash tool to get nth line from a file

Is there a "canonical" way of doing that? I've been using head -n | tail -1 which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file. ...
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How can I pass a parameter to a Java Thread?

Can anyone suggest to me how I can pass a parameter to a thread? 18 Answers 18 ...
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Syntax for a single-line Bash infinite while loop

I am having trouble coming up with the right combination of semicolons and/or braces. I'd like to do this, but as a one-liner from the command line: ...
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SELECT INTO a table variable in T-SQL

Got a complex SELECT query, from which I would like to insert all rows into a table variable, but T-SQL doesn't allow it. 8...
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What is “rvalue reference for *this”?

Came across a proposal called "rvalue reference for *this" in clang's C++11 status page . 3 Answers ...
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Convert a list to a string in C#

How do I convert a list to a string in C#? 13 Answers 13 ...