大约有 18,000 项符合查询结果(耗时:0.0313秒) [XML]

https://stackoverflow.com/ques... 

Get source JARs from Maven repository

Does anyone have any idea if you can find source JARs on Maven repositories? 19 Answers ...
https://stackoverflow.com/ques... 

How do you delete a column by name in data.table?

To get rid of a column named "foo" in a data.frame , I can do: 8 Answers 8 ...
https://stackoverflow.com/ques... 

Regular Expression for alphanumeric and underscores

I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores. ...
https://stackoverflow.com/ques... 

What Computer Science concepts should I know? [closed]

What concepts in Computer Science do you think have made you a better programmer? 33 Answers ...
https://stackoverflow.com/ques... 

Is there a Unix utility to prepend timestamps to stdin?

I ended up writing a quick little script for this in Python, but I was wondering if there was a utility you could feed text into which would prepend each line with some text -- in my specific case, a timestamp. Ideally, the use would be something like: ...
https://stackoverflow.com/ques... 

Effects of changing Django's SECRET_KEY

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

What is a faster alternative to Python's http.server (or SimpleHTTPServer)?

Python's http.server (or SimpleHTTPServer for Python 2) is a great way of serve the contents of the current directory from the command line: ...
https://stackoverflow.com/ques... 

Calling constructors in c++ without new

I've often seen that people create objects in C++ using 7 Answers 7 ...
https://stackoverflow.com/ques... 

How to document class attributes in Python? [closed]

I'm writing a lightweight class whose attributes are intended to be publicly accessible, and only sometimes overridden in specific instantiations. There's no provision in the Python language for creating docstrings for class attributes, or any sort of attributes, for that matter. What is the expec...
https://stackoverflow.com/ques... 

How do getters and setters work?

I'm from the php world. Could you explain what getters and setters are and could give you some examples? 6 Answers ...