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Difference between “@id/” and “@+id/” in Android
In @+id/ the plus symbol + instructs to create a new resource name and add in to the R.java file but what about @id/ ? From the documentation of ID : when referencing an Android resource ID , you do not need the plus symbol, but must add the android package namespace, like so:
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When do you use POST and when do you use GET?
...or destructive actions such as creation (I'm aware of the irony), editing, and deletion, because you can't hit a POST action in the address bar of your browser. Use GET when it's safe to allow a person to call an action. So a URL like:
http://myblog.org/admin/posts/delete/357
Should bring you to ...
In C++, what is a virtual base class?
I want to know what a " virtual base class " is and what it means.
11 Answers
11
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Get to UIViewController from UIView?
...r directly.
The view should instead be independent of the view controller, and be able to work in different contexts.
Should you need the view to interface in a way with the view controller, the recommended way, and what Apple does across Cocoa is to use the delegate pattern.
An example of how to ...
REST / SOAP endpoints for a WCF service
I have a WCF service and I want to expose it as both a RESTfull service and as a SOAP service.
Anyone has done something like this before?
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How to open the Google Play Store directly from my Android application?
...CTION_VIEW, Uri.parse("market://details?id=" + appPackageName)));
} catch (android.content.ActivityNotFoundException anfe) {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=" + appPackageName)));
}
We use a try/catch block here because an E...
jQuery validate: How to add a rule for regular expression validation?
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this is super useful and should be included in jquery :(
– Grahame A
Aug 5 '11 at 19:47
3
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Error when deploying an artifact in Nexus
...version, proxy repo or group instead of a hosted repository)
Check those and if you still run into trouble provide more details here.
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git: Show index diff in commit message as comment
...nows to ignore them as though they are comments.
– Brandon Rhodes
Mar 25 '12 at 11:21
@BrandonRhodes How to tell git b...
How to get just the parent directory name of a specific file
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Use File's getParentFile() method and String.lastIndexOf() to retrieve just the immediate parent directory.
Mark's comment is a better solution thanlastIndexOf():
file.getParentFile().getName();
These solutions only works if the file has a parent file (e...