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How do I concatenate strings in Swift?
...
\ this is being used to append one string to another string.
var first = "Hi"
var combineStr = "\(first) Start develop app for swift"
You can try this also:- + keyword.
var first = "Hi"
var combineStr = "+(first) Start develop app for swift...
Is int[] a reference type or a value type?
...ways reference types
which are allocated on the managed
heap, and your app's variable contains
a reference to the array and not the
array itself.
https://msdn.microsoft.com/en-us/library/bb985948.aspx
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Draw text in OpenGL ES
... TextView over your SurfaceView. This is slow and bad, but the most direct approach.
Render common strings to textures, and simply draw those textures. This is by far the simplest and fastest, but the least flexible.
Roll-your-own text rendering code based on a sprite. Probably second best choice if...
How to detect orientation change in layout in Android?
...portrait", Toast.LENGTH_SHORT).show();
}
}
You also have to edit the appropriate element in your manifest file to include the android:configChanges
Just see the code below:
<activity android:name=".MyActivity"
android:configChanges="orientation|keyboardHidden"
android:...
What is the difference between varchar and nvarchar?
...onversion errors is a non-trivial problem.
If you are interfacing with an application that uses only ASCII, I would still recommend using Unicode in the database. The OS and database collation algorithms will work better with Unicode. Unicode avoids conversion problems when interfacing with other s...
What exactly does the post method do?
...use a new thread instead of UI thread (main thread)?
UI Thread :
When application is started, Ui Thread is created automatically
it is in charge of dispatching the events to the appropriate widgets
and this includes the drawing events.
It is also the thread you interact with Android widgets wit...
Regular expressions in an Objective-C Cocoa application
... there's no built-in way to do regular expressions in an Objective-C Cocoa application.
10 Answers
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Accessing localhost (xampp) from another computer over LAN network - how to?
...nge the firewall and has the xampp running on it) in your web browser and happy days :)
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Best way to randomize an array with .NET
...o remarks that System.Random "isn't threadsafe" and "only suitable for toy apps" due to returning a time-based sequence: as used in my example, Random() is perfectly thread-safe, unless you're allowing the routine in which you randomize the array to be re-entered, in which case you'll need something...
Setting action for back button in navigation controller
...he view controller where you want to detect the press:
-(void) viewWillDisappear:(BOOL)animated {
if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) {
// back button was pressed. We know this is true because self is no longer
// in the navigation stac...