大约有 8,100 项符合查询结果（耗时：0.0207秒） [XML]
Getting an object from an NSSet
...d enumerate through (e.g. with enumerateObjectsUsingBlock or NSFastEnumeration), call containsObject to test for membership, use anyObject to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't car...
CSS Background Opacity [duplicate]
...ticle>
Text.
</article>
Then apply some CSS
article {
position: relative;
z-index: 1;
}
article::before {
content: "";
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
opacity: .4;
z-index: -1;
background: url(path/to/your/image);
}
Sample: ...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...arent areas take a bigger toll on the GPU to draw, because they need to be mixed with other pixels behind them when displayed. This is why you can mark a UIView as "opaque", to indicate to the GPU that it can just obliterate everything behind that image.
If you have content that is generated dynami...
Google App Engine: Is it possible to do a Gql LIKE query?
...BigTable, which is the database back end for App Engine, will scale to millions of records. Due to this, App Engine will not allow you to do any query that will result in a table scan, as performance would be dreadful for a well populated table.
In other words, every query must use an index. This i...
How do I drag and drop files into an application?
...rbo C++ environment, but I'm not sure how to go about it for a C# application I'm working on. Are there best practices or gotchas to look out for?
...
Getting the current page
...
This may have problems when dealing with rotation.
– Jason McCreary
Nov 18 '13 at 19:34
...
List all files and directories in a directory + subdirectories
...
string[] allfiles = Directory.GetFiles("path/to/dir", "*.*", SearchOption.AllDirectories);
where *.* is pattern to match files
If the Directory is also needed you can go like this:
foreach (var file in allfiles){
FileInfo info = new FileInfo(file);
// Do something with the Folder or ...
Github: error cloning my private repository
...ir]/etc/gitconfig file, which may be edited directly, too.
(Original solutions found at http://github.com/blog/642-smart-http-support)
share
|
improve this answer
|
follow
...
How to send PUT, DELETE HTTP request in HttpURLConnection?
... to send PUT, DELETE request (practically) through java.net.HttpURLConnection to HTTP-based URL.
9 Answers
...
How to use Java property files?
I have a list of key/value pairs of configuration values I want to store as Java property files, and later load and iterate through.
...