大约有 40,000 项符合查询结果(耗时:0.0351秒) [XML]

https://stackoverflow.com/ques... 

What does if __name__ == “__main__”: do?

...ngs: it sets a few special variables like __name__, and then it executes all of the code found in the file. Let's see how this works and how it relates to your question about the __name__ checks we always see in Python scripts. Code Sample Let's use a slightly different code sample to explore ho...
https://stackoverflow.com/ques... 

How do I print a list of “Build Settings” in Xcode project?

... 4.1 ACTION build AD_HOC_CODE_SIGNING_ALLOWED NO ALTERNATE_GROUP staff ALTERNATE_MODE u+w,go-w,a+rX ALTERNATE_OWNER username ALWAYS_SEARCH_USER_PATHS YES...
https://stackoverflow.com/ques... 

Python mysqldb: Library not loaded: libmysqlclient.18.dylib

I just compiled and installed mysqldb for python 2.7 on my mac os 10.6. I created a simple test file that imports 15 Answe...
https://stackoverflow.com/ques... 

How to obtain a Thread id in Python?

... Using the logging module you can automatically add the current thread identifier in each log entry. Just use one of these LogRecord mapping keys in your logger format string: %(thread)d : Thread ID (if available). %(threadName)s : Thread name (if available). a...
https://stackoverflow.com/ques... 

Changing password with Oracle SQL Developer

... answered Feb 4 '13 at 22:21 NiallNiall 1,06911 gold badge77 silver badges33 bronze badges ...
https://stackoverflow.com/ques... 

Check to see if python script is running

...cleanly, and check for it when you start up. #/usr/bin/env python import os import sys pid = str(os.getpid()) pidfile = "/tmp/mydaemon.pid" if os.path.isfile(pidfile): print "%s already exists, exiting" % pidfile sys.exit() file(pidfile, 'w').write(pid) try: # Do some actual work her...
https://stackoverflow.com/ques... 

Does ruby have real multithreading?

...ing models. (Unfortunately, only two of those 11 implementations are actually ready for production use, but by the end of the year that number will probably go up to four or five.) (Update: it's now 5: MRI, JRuby, YARV (the interpreter for Ruby 1.9), Rubinius and IronRuby). The first implement...
https://stackoverflow.com/ques... 

Can't start Eclipse - Java was started but returned exit code=13

...ng Eclipse. I ran into this problem when trying to run Eclipse, having installed version 4.2 only minutes ago. 44 Answers ...
https://stackoverflow.com/ques... 

What is the meaning of “POSIX”?

... and I read it every time I encounter the term. The fact is that I never really understood what it is. 14 Answers ...
https://stackoverflow.com/ques... 

What are some uses of template template parameters?

...alue) { } Here, H is a template, but I wanted this function to deal with all specializations of H. NOTE: I've been programming c++ for many years and have only needed this once. I find that it is a rarely needed feature (of course handy when you need it!). I've been trying to think of good examp...