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getSupportActionBar from inside of Fragment ActionBarCompat
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((AppCompatActivity)getActivity()).getSupportActionBar().setSubtitle(R.string.subtitle);
You do need the cast. It's not poor design, it's backwards compatibility.
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How to count string occurrence in string?
How can I count the number of times a particular string occurs in another string. For example, this is what I am trying to do in Javascript:
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What is the default value for enum variable?
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Thanks, and what about enums defined with char instead of int. e.g. enum Status { Active = 'A', Inactive='I'}
– Fernando Torres
Apr 24 '15 at 16:17
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Why do people say that Ruby is slow? [closed]
... always an issue if it impacts usability. True, scanning an xml file for a string in one second or three doesn't matter from a pure numbers point of view, but a couple seconds difference can make a big difference in usability when you're talking about a user-facing application.
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Getting file names without extensions
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@Juzzz That's handy if you're working with a bare string, but if you already have a FileInfo object, there's no need to bother with Path. FileInfo already provides the "Extension" property for the purpose.
– jmbpiano
Jul 28 '15 at 14:42...
How to best display in Terminal a MySQL SELECT returning too many fields?
...above comment, when you type SELECT * FROM sometable\G you are sending the string to the mysql command line client, not Windows, which is why the G is case sensitive
– Hurricane Hamilton
Mar 24 '14 at 15:31
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How to write log base(2) in c/c++
...uld work assuming integer is 32 bit wide, no ? For 64 bit it would have an extra i>>32 . But since Java has only 32-bit ints, it is fine. For C/C++ it needs to be considered.
– Zoso
May 27 '17 at 8:12
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How to make rpm auto install dependencies
...transaction metadata from yum to DNF, run:
'dnf install python-dnf-plugins-extras-migrate && dnf-2 migrate'
Last metadata expiration check performed 0:28:24 ago on Fri Sep 25 12:43:44 2015.
Dependencies resolved.
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What are “first class” objects?
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In Java, for example, there are primitive types (int, bool, double, char) that aren't proper objects. That's why Java has to introduce Integer, Boolean, Double, and Character as first-class types. This can be hard to teach to beginners -- it isn't obvious why both a primitive type and a cla...
Why aren't superclass __init__ methods automatically invoked?
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Often the subclass has extra parameters which can't be passed to the superclass.
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