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How do I change the title of the “back” button on a Navigation Bar
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This should be placed in the method that calls the ViewController titled "NewTitle".
Right before the push or popViewController statement.
UIBarButtonItem *newBackButton =
[[UIBarButtonItem alloc] initWithTitle:@"NewTitle"
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How to merge a transparent png image with another image using PIL
...ground.paste(foreground, (0, 0), foreground)
background.show()
First parameter to .paste() is the image to paste. Second are coordinates, and the secret sauce is the third parameter. It indicates a mask that will be used to paste the image. If you pass a image with transparency, then the alpha cha...
“The given path's format is not supported.”
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Rather than using str_uploadpath + fileName, try using System.IO.Path.Combine instead:
Path.Combine(str_uploadpath, fileName);
which returns a string.
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Using getResources() in non-activity class
I am trying to use getResources method in a non-activity class. How do I get the reference to the "resources" object so that I can access the xml file stored under resources folder?
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Spring MVC: How to perform validation?
...nest and best way to perform form validation of user inputs. I have seen some developers implement org.springframework.validation.Validator . A question about that: I saw it validates a class. Does the class have to be filled manually with the values from the user input, and then passed to the vali...
Easiest way to compare arrays in C#
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You could use Enumerable.SequenceEqual. This works for any IEnumerable<T>, not just arrays.
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How to count string occurrence in string?
How can I count the number of times a particular string occurs in another string. For example, this is what I am trying to do in Javascript:
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How to simulate a touch event in Android?
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Valentin Rocher's method works if you've extended your view, but if you're using an event listener, use this:
view.setOnTouchListener(new OnTouchListener()
{
public boolean onTouch(View v, MotionEvent event)
{
Toast toast = To...
How do I instantiate a Queue object in java?
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A Queue is an interface, which means you cannot construct a Queue directly.
The best option is to construct off a class that already implements the Queue interface, like one of the following: AbstractQueue, ArrayBlockingQueue, ArrayDeque, ConcurrentLinked...