大约有 47,000 项符合查询结果（耗时：0.0656秒） [XML]
How can I represent an 'Enum' in Python?
I'm mainly a C# developer, but I'm currently working on a project in Python.
43 Answers
...
Rspec doesn't see my model Class. uninitialized constant error
I'm writing tests on Rspec for my models in Ruby on Rails application.
And I receive this error while starting 'rspec spec'
...
subtract two times in python
I have two datetime.time values, exit and enter and I want to do something like:
9 Answers
...
How to list running screen sessions?
I have a bunch of servers, on which I run experiments using screen . The procedure is the following :
9 Answers
...
Pandas count(distinct) equivalent
I am using pandas as a db substitute as I have multiple databases (oracle, mssql, etc) and I am unable to make a sequence of commands to a SQL equivalent.
...
Force LF eol in git repo and working copy
I have a git repository hosted on github. Many of the files were initially developed on Windows, and I wasn't too careful about line endings. When I performed the initial commit, I also didn't have any git configuration in place to enforce correct line endings. The upshot is that I have a number of ...
The difference between fork(), vfork(), exec() and clone()
I was looking to find the difference between these four on Google and I expected there to be a huge amount of information on this, but there really wasn't any solid comparison between the four calls.
...
Save An Image To Application Documents Folder From UIView On IOS
I have a UIImageView that allows a user to place and hold an image until it can be saved. The problem is, I can't figure out how to actually save and retrieve the image I've placed in the view.
...
jQuery Validate - require at least one field in a group to be filled
I'm using the excellent jQuery Validate Plugin to validate some forms. On one form, I need to ensure that the user fills in at least one of a group of fields. I think I've got a pretty good solution, and wanted to share it. Please suggest any improvements you can think of.
...
ImportError in importing from sklearn: cannot import name check_build
I am getting the following error while trying to import from sklearn:
13 Answers
13
...