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Adding gif image in an ImageView in android

I added an animated gif image in an imageView. I am not able to view it as a gif image. No animation is there. It's appearing just as a still image. I would like to know how can i show it as a gif image. ...
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What is a stack trace, and how can I use it to debug my application errors?

Sometimes when I run my application it gives me an error that looks like: 7 Answers 7 ...
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Display image as grayscale using matplotlib

I'm trying to display a grayscale image using matplotlib.pyplot.imshow() . My problem is that the grayscale image is displayed as a colormap. I need the grayscale because I want to draw on top of the image with color. ...
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Is Big O(logn) log base e?

For binary search tree type of data structures, I see the Big O notation is typically noted as O(logn). With a lowercase 'l' in log, does this imply log base e (n) as described by the natural logarithm? Sorry for the simple question but I've always had trouble distinguishing between the different...
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Advantages of std::for_each over for loop

Are there any advantages of std::for_each over for loop? To me, std::for_each only seems to hinder the readability of code. Why do then some coding standards recommend its use? ...
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What's the actual use of 'fail' in JUnit test case?

What's the actual use of 'fail' in JUnit test case? 8 Answers 8 ...
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How to show the “Are you sure you want to navigate away from this page?” when changes committed?

Here in stackoverflow, if you started to make changes then you attempt to navigate away from the page, a javascript confirm button shows up and asks: "Are you sure you want to navigate away from this page?" blee blah bloo... ...
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How to 'minify' Javascript code

JQuery has two versions for download, one is Production (19KB, Minified and Gzipped) , and the other is Development (120KB, Uncompressed Code) . ...
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Convert DOS line endings to Linux line endings in Vim

If I open files I created in Windows, the lines all end with ^M . How do I delete these characters all at once? 26 Answers...
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What are the underlying data structures used for Redis?

I'm trying to answer two questions in a definitive list: 3 Answers 3 ...