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How to perform Unwind segue programmatically?

...oryboardSegue argument; the WWDC 2012 session 407 talk didn't mention that and didn't paste that code in. Without it, my Exit icon wouldn't go active when control-dragging to it. 3) It's pretty cool that at the end of your big red arrow, in the Action field, you can hit the "go there" arrow! ...
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Can an abstract class have a constructor?

... what) { super(what); } } The superclass Product is abstract and has a constructor. The concrete class TimesTwo has a constructor that just hardcodes the value 2. The concrete class TimesWhat has a constructor that allows the caller to specify the value. Abstract constructors will fre...
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How to prevent the activity from loading twice on pressing the button

... In the button's event listener, disable the button and show another activity. Button b = (Button) view; b.setEnabled(false); Intent i = new Intent(this, AnotherActitivty.class); startActivity(i); Override onResume() to re-enable the button. @Override ...
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)

I was doing attempting to do some updates to openssl using homebrew and I somehow managed to break everything. I can't do anything now, this is what I get when I try to do bundle install: ...
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How to install CocoaPods?

I referred too many links and tried, but had no success. If any one has an idea then please please share with me. I read cocoa pods documents and many times tried to install but always failed because of the starting steps. I found one error whereby I can't install gems first. Can anyone give me the ...
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What's the best way to unit test protected & private methods in Ruby?

What's the best way to unit test protected and private methods in Ruby, using the standard Ruby Test::Unit framework? 16 ...
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Is it possible to view RabbitMQ message contents directly from the command line?

Is it possible to view RabbitMQ message contents directly from the command line? 6 Answers ...
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How do I get the object if it exists, or None if it does not exist?

...go will raise the DoesNotExist exception every time. The idiomatic way to handle this in python is to wrap it in a try catch: try: go = SomeModel.objects.get(foo='bar') except SomeModel.DoesNotExist: go = None What I did do, is to subclass models.Manager, create a safe_get like the code a...
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git add, commit and push commands in one?

Is there any way to use these three commands in one? 32 Answers 32 ...
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Capturing console output from a .NET application (C#)

How do I invoke a console application from my .NET application and capture all the output generated in the console? 8 Answ...