大约有 40,000 项符合查询结果（耗时：0.0643秒） [XML]
How to open a web server port on EC2 instance
...s apart of
Click on Inbound Rules
Use the drop down and add HTTP (port 80)
Click Apply and enjoy
share
|
improve this answer
|
follow
...
How do I automatically sort a has_many relationship in Rails?
...hem too.
@article.comments.find(:all, :order => "created_at DESC")
http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html
share
|
improve this answer
|
...
How do you synchronise projects to GitHub with Android Studio?
... remote rm <remote_name> to remove.
See these pages for details:
http://www.jetbrains.com/idea/webhelp/using-git-integration.html
http://gitref.org/remotes/
share
|
improve this answer
...
Map over object preserving keys
...the required function in lodash, a utility library similar to underscore.
http://lodash.com/docs#mapValues
_.mapValues(object, [callback=identity], [thisArg])
Creates an object with the same keys as object and values generated by
running each own enumerable property of object through the...
What is the 
 character?
...perating systems.
You can find a list of such characters at (for example) http://la.remifa.so/unicode/latin1.html
share
|
improve this answer
|
follow
|
...
How do I exclude all instances of a transitive dependency when using Gradle?
...ndency (I haven't ever noticed that when using them), please file a bug at http://forums.gradle.org, ideally with a reproducible example.
share
|
improve this answer
|
follow...
Hover and Active only when not disabled
...dern browsers (IE11+, and excluding some mobile Opera & IE browsers -- http://caniuse.com/#feat=pointer-events):
.btn {
/* base styles */
}
.btn[disabled]
opacity: 0.4;
cursor: default;
pointer-events: none;
}
.btn:hover {
color: red;
}
The pointer-events: none rule will disable h...
What is an AngularJS directive?
I have spent quite a lot of time reading through AngularJS documentation and several tutorials, and I have been quite surprised at how unapproachable the documentation is.
...
Remove an element from a Bash array
I need to remove an element from an array in bash shell.
Generally I'd simply do:
20 Answers
...
CGContextDrawImage draws image upside down when passed UIImage.CGImage
...ore Graphics is built onto OS X where the coordinate system is upside down compared to iOS (y starting at the lower left hand side in OS X). That's why Core Graphics draws the image upside down whereas drawInRect handles this for you
– borchero
Sep 21 '15 at 15...