大约有 47,000 项符合查询结果(耗时:0.0292秒) [XML]

https://stackoverflow.com/ques... 

Linux delete file with size 0 [duplicate]

... This will delete all the files in a directory (and below) that are size zero. find /tmp -size 0 -print -delete If you just want a particular file; if [ ! -s /tmp/foo ] ; then rm /tmp/foo fi ...
https://stackoverflow.com/ques... 

What's the difference between dynamic (C# 4) and var?

...ing with C# v4, but I couldn't make out the difference between a "dynamic" and "var". 14 Answers ...
https://stackoverflow.com/ques... 

Add up a column of numbers at the Unix shell

..... | paste -sd+ - | bc is the shortest one I've found (from the UNIX Command Line blog). Edit: added the - argument for portability, thanks @Dogbert and @Owen. share | improve this answer ...
https://stackoverflow.com/ques... 

Good tool to visualise database schema? [closed]

... Thanks, I thought the command line interface was kind of a pain, of course once I got it working I noticed the link to the GUI off the front page, joachim-uhl.de/projekte/schemaspygui. It should also be noted that program inserts Google ads into the r...
https://stackoverflow.com/ques... 

How can I make an EXE file from a Python program? [duplicate]

...A .py to .exe converter using a simple graphical interface built using Eel and PyInstaller in Python. py2exe is probably what you want, but it only works on Windows. PyInstaller works on Windows and Linux. Py2app works on the Mac. ...
https://stackoverflow.com/ques... 

Installing SciPy and NumPy using pip

...ired libraries in a package I'm distributing. It requires both the SciPy and NumPy libraries. While developing, I installed both using ...
https://stackoverflow.com/ques... 

Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?

...t doesn't work is because %@ signifies an object. A CGPoint is a C struct (and so are CGRects and CGSizes). share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

ImportError: No module named matplotlib.pyplot

... You have two pythons installed on your machine, one is the standard python that comes with Mac OSX and the second is the one you installed with ports (this is the one that has matplotlib installed in its library, the one that comes with macosx does not). /usr/bin/python Is the stand...
https://stackoverflow.com/ques... 

Getting list of parameter names inside python function [duplicate]

Is there an easy way to be inside a python function and get a list of the parameter names? 4 Answers ...
https://stackoverflow.com/ques... 

What are my environment variables? [closed]

... env | sort | grep 'USER' to sort and filter – Dmitri Pavlutin Aug 19 '16 at 14:58 add a comment  |  ...