大约有 42,000 项符合查询结果(耗时:0.0656秒) [XML]

https://stackoverflow.com/ques... 

Weighted random numbers

I'm trying to implement a weighted random numbers. I'm currently just banging my head against the wall and cannot figure this out. ...
https://stackoverflow.com/ques... 

Use find command but exclude files in two directories

...t to find files that end with _peaks.bed , but exclude files in the tmp and scripts folders. 6 Answers ...
https://stackoverflow.com/ques... 

LINQ Select Distinct with Anonymous Types

... Have a read through K. Scott Allen's excellent post here: And Equality for All ... Anonymous Types The short answer (and I quote): Turns out the C# compiler overrides Equals and GetHashCode for anonymous types. The implementation of the two overridden methods uses all the...
https://stackoverflow.com/ques... 

Should I use char** argv or char* argv[]?

I'm just learning C and was wondering which one of these I should use in my main method. Is there any difference? Which one is more common? ...
https://stackoverflow.com/ques... 

Class with single method — best approach?

...ation of helper methods that would otherwise lie around causing redundancy and maintenance hell. They're very easy to use, no instantiation, no disposal, just fire'n'forget. I guess this was my first unwitting attempt at creating a service oriented architecture - lots of stateless services that just...
https://stackoverflow.com/ques... 

What platforms have something other than 8-bit char?

Every now and then, someone on SO points out that char (aka 'byte') isn't necessarily 8 bits . 12 Answers ...
https://stackoverflow.com/ques... 

Can someone explain the traverse function in Haskell?

I am trying and failing to grok the traverse function from Data.Traversable . I am unable to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks. ...
https://stackoverflow.com/ques... 

Run two async tasks in parallel and collect results in .NET 4.5

... You should use Task.Delay instead of Sleep for async programming and then use Task.WhenAll to combine the task results. The tasks would run in parallel. public class Program { static void Main(string[] args) { Go(); } public static void Go()...
https://stackoverflow.com/ques... 

Printing Lists as Tabular Data

I am quite new to Python and I am now struggling with formatting my data nicely for printed output. 13 Answers ...
https://stackoverflow.com/ques... 

How do I replace NA values with zeros in an R dataframe?

I have a data frame and some columns have NA values. 21 Answers 21 ...