大约有 42,000 项符合查询结果（耗时：0.0640秒） [XML]
Using Rails 3.1 assets pipeline to conditionally use certain css
I’m in the process of building my first solo Rails app using Rails 3.1.rc5. My problem is that I want to have my site render the various CSS files conditionally. I’m using Blueprint CSS and I’m trying to have sprockets/rails render screen.css most of the time, print.css only when printing,...
How can I obtain an 'unbalanced' grid of ggplots?
...
73
grid.arrange draws directly on the device; if you want to combine it with other grid objects you...
Ineligible Devices section appeared in Xcode 6.x.x
...
32 Answers
32
Active
...
Why do I get an UnsupportedOperationException when trying to remove an element from a List?
...
1032
Quite a few problems with your code:
On Arrays.asList returning a fixed-size list
From the AP...
How can I resolve “Error: No developer directory found at /Developer”?
I just upgraded XCode to 4.3.1.
I'm using a script to build (and then deploy through Testflight) my app.
But I now receive this error:
...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
...se64 encode the file, at the expense of increasing the data size by around 33%, and add processing overhead in both the server and the client for encoding/decoding.
Send the file first in a multipart/form-data POST, and return an ID to the client. The client then sends the metadata with the ID, and ...
ANTLR: Is there a simple example?
...
453
Note: this answer is for ANTLR3! If you're looking for an ANTLR4 example, then this Q&A demo...
How can I create a copy of an object in Python?
...
193
To get a fully independent copy of an object you can use the copy.deepcopy() function.
For more...
How to match all occurrences of a regex
...
834
Using scan should do the trick:
string.scan(/regex/)
...