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How to fix the flickering in User controls

In my application i am constantly moving from one control to another. I have created no. of user controls, but during navigation my controls gets flicker. it takes 1 or 2 sec to update. I tried to set this ...
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Ways to iterate over a list in Java

Being somewhat new to the Java language I'm trying to familiarize myself with all the ways (or at least the non-pathological ones) that one might iterate through a list (or perhaps other collections) and the advantages or disadvantages of each. ...
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What is a pre-revprop-change hook in SVN, and how do I create it?

I wanted to edit a log comment in the repository browser and received an error message that no pre-revprop-change hook exists for the repository. Besides having a scary name, what is a pre-revprop-change hook, and how do I create it? ...
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CSS Background Opacity [duplicate]

I am using something similar to the following code: 8 Answers 8 ...
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Get the current displaying UIViewController on the screen in AppDelegate.m

... on the screen need to response to push-notifications from APNs, by setting some badge views. But how could I get the UIViewController in method application:didReceiveRemoteNotification : of AppDelegate.m ? ...
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Should I impose a maximum length on passwords?

I can understand that imposing a minimum length on passwords makes a lot of sense (to save users from themselves), but my bank has a requirement that passwords are between 6 and 8 characters long, and I started wondering... ...
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Draw on HTML5 Canvas using a mouse

I want to draw on a HTML Canvas using a mouse (for example, draw a signature, draw a name, ...) 13 Answers ...
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How to make an ImageView with rounded corners?

In Android, an ImageView is a rectangle by default. How can I make it a rounded rectangle (clip off all 4 corners of my Bitmap to be rounded rectangles) in the ImageView? ...
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Sorting arrays in NumPy by column

How can I sort an array in NumPy by the nth column? 13 Answers 13 ...
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How do I iterate over an NSArray?

I'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+. 8 Answers ...