大约有 42,000 项符合查询结果(耗时:0.0653秒) [XML]

https://stackoverflow.com/ques... 

pypi UserWarning: Unknown distribution option: 'install_requires'

...ython setup.py uses distutils which doesn't support install_requires. setuptools does, also distribute (its successor), and pip (which uses either) do. But you actually have to use them. I.e. call setuptools through the easy_install command or pip install. Another way is to import setup from setup...
https://stackoverflow.com/ques... 

How to send a simple string between two programs using pipes?

... closes it. A named pipe, also called a FIFO for its behavior, can be used to connect two unrelated processes and exists independently of the processes; meaning it can exist even if no one is using it. A FIFO is created using the mkfifo() library function. Example writer.c #include <fcntl.h> ...
https://stackoverflow.com/ques... 

Make div stay at bottom of page's content all the time even when there are scrollbars

CSS Push Div to bottom of page 12 Answers 12 ...
https://stackoverflow.com/ques... 

IntelliJ IDEA generating serialVersionUID

... I am not sure if you have an old version of IntelliJ IDEA, but if I go to menu File → Settings... → Inspections → Serialization issues → Serializable class without 'serialVersionUID'` enabled, the class you provide give me warnings. If I try the first class I see: BTW: It didn't sh...
https://stackoverflow.com/ques... 

Date query with ISODate in mongodb doesn't seem to work

I don't seem to be able to get even the most basic date query to work in MongoDB. With a document that looks something like this: ...
https://stackoverflow.com/ques... 

Creation timestamp and last update timestamp with Hibernate and MySQL

For a certain Hibernate entity we have a requirement to store its creation time and the last time it was updated. How would you design this? ...
https://stackoverflow.com/ques... 

Why doesn't .NET/C# optimize for tail-call recursion?

... JIT compilation is a tricky balancing act between not spending too much time doing the compilation phase (thus slowing down short lived applications considerably) vs. not doing enough analysis to keep the application competitive in the long term with a standard ahead-of-time compilation....
https://stackoverflow.com/ques... 

What exactly are “spin-locks”?

...ance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again. Besides, kernel objects are not available in every state of the kernel, such as in an interrupt handler or when paging is not available etc. Spinlocks don't cause preemption...
https://stackoverflow.com/ques... 

read subprocess stdout line by line

My python script uses subprocess to call a linux utility that is very noisy. I want to store all of the output to a log file and show some of it to the user. I thought the following would work, but the output doesn't show up in my application until the utility has produced a significant amount of ...
https://stackoverflow.com/ques... 

How to sort a list of strings?

..."] mylist.sort() This modifies your original list (i.e. sorts in-place). To get a sorted copy of the list, without changing the original, use the sorted() function: for x in sorted(mylist): print x However, the examples above are a bit naive, because they don't take locale into account, and...