大约有 31,500 项符合查询结果（耗时：0.0451秒） [XML]
How to make graphics with transparent background in R using ggplot2?
...# for the inside of the boxplot
)
Fastest way is using using rect, as all the rectangle elements inherit from rect:
p <- p +
theme(
rect = element_rect(fill = "transparent") # all rectangles
)
p
More controlled way is to use options of theme:
p <- p +
theme(
...
How to test chrome extensions?
...existing frameworks are pretty useful..
In the recent past, I have placed all my tests on a "test" page that was embedded in to the application but not reachable unless physically typed.
For instance, I would have all the tests in a page accessible under chrome-extension://asdasdasdasdad/unittests...
How do I convert an existing callback API to promises?
I want to work with promises but I have a callback API in a format like:
20 Answers
20...
How do I get extra data from intent on Android?
...
from where to can i all this method ??
– Adham
Nov 20 '10 at 17:06
49
...
Comprehensive beginner's virtualenv tutorial? [closed]
...'ve been hearing the buzz about virtualenv lately, and I'm interested. But all I've heard is a smattering of praise, and don't have a clear understanding of what it is or how to use it.
...
How can I indent multiple lines in Xcode?
...code and want to indent them as usual with TAB key, it just deletes them all. I come from Eclipse where I always did it that way. How's that done in Xcode? I hope not line by line ;)
...
What's the reason I can't create generic array types in Java?
What's the reason why Java doesn't allow us to do
17 Answers
17
...
How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
I have test-unit installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec .
...
Difference between await and ContinueWith
...ng example. I'm trying to use TPL for the first time and have been reading all the documentation, but don't understand the difference.
...
Left Join With Where Clause
I need to retrieve all default settings from the settings table but also grab the character setting if exists for x character.
...