大约有 26,000 项符合查询结果(耗时:0.0420秒) [XML]

https://stackoverflow.com/ques... 

GROUP_CONCAT ORDER BY

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

How to write multiple line property value using PropertiesConfiguration?

I have a properties file with a property with a List value (comma separated), how to write this property in a multi-line ? (backslash after the comma)? ...
https://stackoverflow.com/ques... 

Regex how to match an optional character

I have a regex that I thought was working correctly until now. I need to match on an optional character. It may be there or it may not. ...
https://stackoverflow.com/ques... 

Find the extension of a filename in Ruby

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

How to sort the result from string_agg()

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

What is the difference between t.belongs_to and t.references in rails?

What is the difference between t.references and t.belongs_to ? Why are we having those two different words? It seems to me they do the same thing? Tried some Google search, but find no explanation. ...
https://stackoverflow.com/ques... 

Specify pane percentage in tmuxinator project

How can I specify a pane percentage in tmuxinator ? 1 Answer 1 ...
https://stackoverflow.com/ques... 

Rails: where does the infamous “current_user” come from?

I've been looking around recently into Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)...
https://stackoverflow.com/ques... 

Open file dialog and select a file using WPF controls and C#

I have a TextBox named textbox1 and a Button named button1 . When I click on button1 I want to browse my files to search only for image files (type jpg, png, bmp...). And when I select an image file and click Ok in the file dialog I want the file directory to be written in the textbox1.tex...
https://stackoverflow.com/ques... 

Uninstall ReSharper 4.5

...harper 4.5 in Visual Studio 2008. Now I want to install ReSharper 5, but I can't do it before I uninstall ReSharper 4.5. 4 ...