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What's the difference between detaching a Fragment and removing it?

In the Android docs for a FragmentTransaction I noticed two very similar methods: detach and remove . The descriptions over there don't seem to provide much insight about when to use each, and from what I can tell they appear to be the same. ...
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User Authentication in ASP.NET Web API

This topic has been incredibly confusing for me. I am a rookie in HTTP apps but need to develop an iPhone client that consumes JSON data from somewhere. I chose Web API from MS because it seemed easy enough but when it comes to authenticating users, things get quite frustrating. ...
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Generate a UUID on iOS from Swift

In my iOS Swift app I want to generate random UUID ( GUID ) strings for use as a table key, and this snippet appears to work: ...
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Why prefer two's complement over sign-and-magnitude for signed numbers?

I'm just curious if there's a reason why in order to represent -1 in binary, two's complement is used: flipping the bits and adding 1? ...
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Understanding the transclude option of directive definition?

I think this is one of the hardest concept for me to understand with angularjs's directive. 6 Answers ...
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How to include layout inside layout?

How to include layout inside layout in Android? 6 Answers 6 ...
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Does every Javascript function have to return a value?

I'm using Netbeans to add professional-like comments to each function, I write. So I begin each of it with /** and then I press Enter to let Netbeans fulfill default comment scheme for following function. ...
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Line continuation for list comprehensions or generator expressions in python

How are you supposed to break up a very long list comprehension? 3 Answers 3 ...
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How to push new branch without history

I have git repo with two unrelated branches, master and configs. I've created configs, purged all the files and then placed in configuration files only. Now I want to push this on remote repo, but as it were new, empty branch (without logs of all my changes and old revisions of original branch). ...
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Difference between validate(), revalidate() and invalidate() in Swing GUI

Swing components have multiple methods related to updates of screen layout, in particular: 2 Answers ...