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Finishing current activity from a fragment

I have a fragment in an activity that I am using as a navigation drawer. It contains buttons that when clicked start new activities (startActivity from a fragment simply calls startActivity on the current activity). ...
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Can't launch my app in Instruments: At least one target failed to launch

I have all my code signing entitlements set correctly. Running the app on my phone is fine, but launching it in instruments gives me an error message: ...
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What is N-Tier architecture?

...need to package up the data in some sort of transportable form called "dataset" and fly them over the wire. .NET's DataSet class or Web Services protocol like SOAP are few of such attempts to fly objects over the wire. share...
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Split array into chunks

Let's say that I have an Javascript array looking as following: 57 Answers 57 ...
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How to delete migration files in Rails 3

I would like to remove/delete a migration file. How would I go about doing that? I know there are similar questions on here but as an update, is there a better way than doing script/destroy? ...
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Why Func instead of Predicate?

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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Is it correct to use JavaScript Array.sort() method for shuffling?

I was helping somebody out with his JavaScript code and my eyes were caught by a section that looked like that: 12 Answers ...
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Use of 'use utf8;' gives me 'Wide character in print'

...console then works out how to display these characters. If your console is set to use UTF8, then it will interpret those three bytes as your single character and that is what is displayed. If we add in the utf8 module, things are different. In this case, Perl interprets your string as just two char...
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pandas: How do I split text in a column into multiple rows?

I'm working with a large csv file and the next to last column has a string of text that I want to split by a specific delimiter. I was wondering if there is a simple way to do this using pandas or python? ...
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Resizing an iframe based on content

... src='' specified. When its onload fires, it evaluates its own height, and sets the src of the iframe at this point to helper.html?height=N There's an explanation here of how facebook handle it, which may be slightly clearer than mine above! Code In www.foo.com/home.html, the following javascrip...