大约有 48,000 项符合查询结果(耗时:0.0528秒) [XML]
Random record in ActiveRecord
I'm in need of getting a random record from a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
...
Java Multiple Inheritance
In an attempt to fully understand how to solve Java's multiple inheritance problems I have a classic question that I need clarified.
...
Remove outline from select box in FF
...0,0,0);
text-shadow: 0 0 0 #000;
}
We put a text shadow with no offset and no blur, so that replaces the text. Of course older browser don't understand anything of this, so we must provide a fallback for the color:
select {
color: #000;
color: rgba(0,0,0,0);
text-shadow: 0 0 0 #000;
}
T...
Tainted canvases may not be exported
...
For security reasons, your local drive is declared to be "other-domain" and will taint the canvas.
(That's because your most sensitive info is likely on your local drive!).
While testing try these workarounds:
Put all page related files (.html, .jpg, .js, .css, etc) on your desktop (not in su...
How to document Ruby code?
...ur documentation for the RDoc processor, which can find your documentation and generate HTML from it. You've put your comment in the right place for that, but you should have a look at the RDoc documentation to learn about the kinds of tags that RDoc knows how to format. To that end, I'd reformat yo...
Perform commands over ssh with Python
I'm writing a script to automate some command line commands in Python. At the moment I'm doing calls thus:
13 Answers
...
Why do I need to explicitly push a new branch?
I am new in git and I am practicing. I created a local branch but I saw that when I did git push my branch was not uploaded to the repository. I had to actually do: git push -u origin --all .
Why is this? Isn't a branch a new change to be pushed by default? Why do I need to run the second com...
List View Filter Android
I have created a list view in android and I want to add edit text above the list and when the user enter text the list will be filtered according to user input
...
How does one get started with procedural generation?
...ation has been brought into the spotlight recently (by Spore, MMOs, etc), and it seems like an interesting/powerful programming technique.
My questions are these:
...
Hidden Features of Xcode
...h a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared.
89 Answers
...
