大约有 43,000 项符合查询结果（耗时：0.0729秒） [XML]
Applicatives compose, monads don't
What does the above statement mean? And when is one preferable to other?
5 Answers
5
...
Convert int to char in java
Below is a code snippet,
15 Answers
15
...
What is Java Servlet?
I read many articles to understand java servlet but I did not succeed.
12 Answers
12
...
Why are side-effects modeled as monads in Haskell?
Could anyone give some pointers on why the impure computations in Haskell are modelled as monads?
8 Answers
...
What is Node.js? [closed]
I don't fully get what Node.js is all about. Maybe it's because I am mainly a web based business application developer. What is it and what is the use of it?
...
How does a public key verify a signature?
I am trying to get a better grapple on how public/private keys work. I understand that a sender may add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature.
...
Why can't Python's raw string literals end with a single backslash?
Technically, any odd number of backslashes, as described in the documentation .
12 Answers
...
When is a function too long? [closed]
35 lines, 55 lines, 100 lines, 300 lines? When you should start to break it apart? I'm asking because I have a function with 60 lines (including comments) and was thinking about breaking it apart.
...
What is the difference between HTML tags and ?
I would like to ask for some simple examples showing the uses of <div> and <span> . I've seen them both used to mark a section of a page with an id or class , but I'm interested in knowing if there are times when one is preferred over the other.
...
Why do I have to access template base class members through the this pointer?
If the classes below were not templates I could simply have x in the derived class. However, with the code below, I have to use this->x . Why?
...