大约有 8,000 项符合查询结果(耗时:0.0340秒) [XML]
Calculate difference in keys contained in two Python dictionaries
Suppose I have two Python dictionaries - dictA and dictB . I need to find out if there are any keys which are present in dictB but not in dictA . What is the fastest way to go about it?
...
The application may be doing too much work on its main thread
...I : Fixing skipped frames
Anyone who begins developing android application sees this message on
logcat “Choreographer(abc): Skipped xx frames! The application may be
doing too much work on its main thread.” So what does it actually
means, why should you be concerned and how to solve it...
return, return None, and no return at all?
Consider three functions:
5 Answers
5
...
Combining Multiple Commits Into One Prior To Push
This question pertains not only to how to accomplish this task, but to whether doing so is good or bad practice with Git.
6...
How can I filter lines on load in Pandas read_csv function?
...nes of a CSV to be loaded into memory using pandas? This seems like an option that one should find in read_csv . Am I missing something?
...
Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
...
UPDATE: Amazon now supports gzip compression, so this is no longer needed. Amazon Announcement
Original answer:
The answer is to gzip the CSS and JavaScript files. Yes, you read that right.
gzip -9 production.min.css
This will produce production.min.css.gz. Re...
RESTful web service - how to authenticate requests from other services?
...hat needs to be accessed by users, but also other web services and applications. All of the incoming requests need to be authenticated. All communication takes place over HTTPS. User authentication is going to work based on an authentication token, acquired by POSTing the username and password (over...
Trees in Twitter Bootstrap [closed]
... adding this tree component to Bootstrap. Please see the project documentation at http://jhfrench.github.io/bootstrap-tree/docs/example.html.
Alternately, here is the LESS source to generate that CSS (the JS can be picked up from the jsFiddle):
@import "../../../external/bootstrap/less/bootstrap.l...
Blocks and yields in Ruby
....
When a method expects a block, it invokes it by calling the yield function.
This is very handy, for instance, to iterate over a list or to provide a custom algorithm.
Take the following example:
I'm going to define a Person class initialized with a name, and provide a do_with_name method th...
Have a fixed position div that needs to scroll if content overflows
... you're trying to do.
.fixed-content {
top: 0;
bottom:0;
position:fixed;
overflow-y:scroll;
overflow-x:hidden;
}
This fork of your fiddle shows my fix:
http://jsfiddle.net/strider820/84AsW/1/
share
...