大约有 40,000 项符合查询结果(耗时:0.0689秒) [XML]

https://stackoverflow.com/ques... 

Nested function in C

Can we have a nested function in C? What is the use of nested functions? If they exist in C does their implementation differ from compiler to compiler? ...
https://stackoverflow.com/ques... 

The 'json' native gem requires installed build tools

...e ruby 1.9.2p180 (2011-02-18) [i386-mingw32] installed on my windows 7 machine. Now I tried to install the JSON gem using the command, "gem install json" and got the following error. ...
https://stackoverflow.com/ques... 

Why does 2 mod 4 = 2?

I'm embarrassed to ask such a simple question. My term does not start for two more weeks so I can't ask a professor, and the suspense would kill me. ...
https://stackoverflow.com/ques... 

Format floats with standard json module

... Active Oldest Votes ...
https://stackoverflow.com/ques... 

Windows path in Python

What is the best way to represent a Windows directory, for example "C:\meshes\as" ? I have been trying to modify a script but it never works because I can't seem to get the directory right, I assume because of the '\' acting as escape character? ...
https://stackoverflow.com/ques... 

What does “coalgebra” mean in the context of programming?

I have heard the term "coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. ...
https://stackoverflow.com/ques... 

How to calculate a time difference in C++

What's the best way to calculate a time difference in C++? I'm timing the execution speed of a program, so I'm interested in milliseconds. Better yet, seconds.milliseconds.. ...
https://stackoverflow.com/ques... 

mongorestore error: Don't know what to do with the dump file [closed]

I have mongo DB installed in the following path c:\mongodb\bin . I have configured my environment variable PATH in advanced settings.I also have mongod running .When I run the following command mongorestore dump from the following path c:\hw1-1\dump (This contains the BSON files) I'm getting th...
https://stackoverflow.com/ques... 

Combining node.js and Python

Node.js is a perfect match for our web project, but there are few computational tasks for which we would prefer Python. We also already have a Python code for them. We are highly concerned about speed, what is the most elegant way how to call a Python "worker" from node.js in an asynchronous non-blo...
https://stackoverflow.com/ques... 

Why isn't vector a STL container?

Item 18 of Scott Meyers's book Effective STL: 50 Specific Ways to Improve Your Use of the Standard Template Library says to avoid vector <bool> as it's not an STL container and it doesn't really hold bool s. ...