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Disable a Button

I want to disable a button ( UIButton ) on iOS after it is clicked. I am new to developing for iOS but I think the equivalent code on objective - C is this: ...
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What is PECS (Producer Extends Consumer Super)?

...dr: "PECS" is from the collection's point of view. If you are only pulling items from a generic collection, it is a producer and you should use extends; if you are only stuffing items in, it is a consumer and you should use super. If you do both with the same collection, you shouldn't use either ext...
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Pick a random value from an enum?

...follow | edited Dec 29 '09 at 1:02 answered Dec 29 '09 at 0:56 ...
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TypeError: 'str' does not support the buffer interface

...Python3x then string is not the same type as for Python 2.x, you must cast it to bytes (encode it). plaintext = input("Please enter the text you want to compress") filename = input("Please enter the desired filename") with gzip.open(filename + ".gz", "wb") as outfile: outfile.write(bytes(plaint...
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How to navigate back to the last cursor position in Visual Studio?

What is the keyboard shortcut navigate back to the last cursor position in Visual Studio? 5 Answers ...
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What is the difference between match_parent and fill_parent?

I'm a little confused about two XML properties: match_parent and fill_parent . It seems that both are the same. Is there any difference between them? ...
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FFMPEG (libx264) “height not divisible by 2”

...ons so this filter will: Divide the original height and width by 2 Round it up to the nearest pixel Multiply it by 2 again, thus making it an even number Add black padding pixels up to this number You can change the color of the padding by adding filter parameter :color=white. See the documentat...
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JS: iterating over result of getElementsByClassName using Array.forEach

I want to iterate over some DOM elements, I'm doing this: 11 Answers 11 ...
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ASP.NET Identity - HttpContext has no extension method for GetOwinContext

I have downloaded, and successfully ran the ASP.NET Identity sample from here: https://github.com/rustd/AspnetIdentitySample ...
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Convert a Git folder to a submodule retrospectively?

Quite often it is the case that you're writing a project of some kind, and after a while it becomes clear that some component of the project is actually useful as a standalone component (a library, perhaps). If you've had that idea from early on, then there's a fair chance that most of that code is ...