大约有 40,000 项符合查询结果（耗时：0.0317秒） [XML]
Regular Expression For Duplicate Words
I'm a regular expression newbie, and I can't quite figure out how to write a single regular expression that would "match" any duplicate consecutive words such as:
...
How to tell if UIViewController's view is visible
I have a tab bar application, with many views. Is there a way to know if a particular UIViewController is currently visible from within the UIViewController ? (looking for a property)
...
How can I launch Safari from an iPhone app?
This might be a rather obvious question, but can you launch the Safari browser from an iPhone app?
7 Answers
...
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 ...
How can I get the current user directory?
...
May be this will be a good solution: taking in account whether this is Vista/Win7 or XP and without using environment variables:
string path = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)).FullName;
if ( Environm...
How to apply specific CSS rules to Chrome only?
...
CSS Solution
from https://jeffclayton.wordpress.com/2015/08/10/1279/
/* Chrome, Safari, AND NOW ALSO the Edge Browser and Firefox */
@media and (-webkit-min-device-pixel-ratio:0) {
div{top:10;}
}
/* Chrome 29+ */
@media screen ...
How do I link to Google Maps with a particular longitude and latitude?
I have a small application that gives the current location: longitude and latitude.
Now I have to browse to google maps with the longitude and latitude.
Please suggest how I can do this.
...
MySQL check if a table exists without throwing an exception
...able exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query?
...
UILabel with text of two different colors
...ange(10, 1)];
[label setAttributedText: text];
I created a UILabel extension to do it.
share
|
improve this answer
|
follow
|
...
Location Manager Error : (KCLErrorDomain error 0)
...
This error occurs if you have Scheme/Edit Scheme/Options/Allow Location Simulation checked but don't have a default location set. I'm sure there are other causes as well though.
share
|
...