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getSupportActionBar from inside of Fragment ActionBarCompat

I'm starting a new project that uses the AppCompat/ActionBarCompat in v7 support library. I'm trying to figure out how to use the getSupportActionBar from within a fragment. My activity that hosts the fragment extends ActionBarActivity , but I don't see a similar support class for Fragments. ...
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!

Warning: This question is a bit heretical... religious programmers always abiding by good practices, please don't read it. :) ...
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How do you specify the date format used when JAXB marshals xsd:dateTime?

When JAXB marshals a date object ( XMLGregorianCalendar ) into an xsd:dateTime element. How can you specify the format of the resulting XML? ...
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What's the difference between integer class and numeric class in R

I want to preface this by saying I'm an absolute programming beginner, so please excuse how basic this question is. 4 Answ...
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Is there a simple way to remove unused dependencies from a maven pom.xml?

I have a large Maven project with many modules and many pom.xml files. The project has changed and I suspect the pom's contain some unnecessary dependencies. Is there is a command which removes any unused dependencies from a pom? ...
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Rails auto-assigning id that already exists

I create a new record like so: 5 Answers 5 ...
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URL-parameters and logic in Django class-based views (TemplateView)

It is unclear to me how it is best to access URL-parameters in class-based-views in Django 1.5. 5 Answers ...
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what does the __file__ variable mean/do?

I usually just hard-wire these with the actual path. But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it. ...
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Difference between std::system_clock and std::steady_clock?

What is the difference between std::system_clock and std::steady_clock ? (An example case that illustrate different results/behaviours would be great). ...
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“Delegate subtraction has unpredictable result” in ReSharper/C#?

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