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getSupportActionBar from inside of Fragment ActionBarCompat
...ugh getActivity().
You'll need to cast it to an ActionBarActivity then make the call to getSupportActionBar().
((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 replace a string in a SQL Server Table Column
... answered May 2 '09 at 9:45
cjkcjk
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jQuery access input hidden value
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You can access hidden fields' values with val(), just like you can do on any other input element:
<input type="hidden" id="foo" name="zyx" value="bar" />
alert($('input#foo').val());
alert($('input[name=zyx]').val());
alert($('input[type=hidden]').val());
alert($(':hidden#...
Setting table row height
...and why this has so many votes, it doesn't resolve the problem. It only works if you only have 1 line of text in the tr. This solution sets the line height, not the tr height.
– BenR
Jun 3 '14 at 15:23
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Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout
A Rails 3.2.0 app, working fine with Thin web server, both locally and on Heroku cedar stack.
9 Answers
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Cartesian product of multiple arrays in JavaScript
...ates below)
All of the answers here are overly complicated, most of them take 20 lines of code or even more.
This example uses just two lines of vanilla JavaScript, no lodash, underscore or other libraries:
let f = (a, b) => [].concat(...a.map(a => b.map(b => [].concat(a, b))));
let cartesi...
C++ STL Vectors: Get iterator from index?
...es elements in an stl vector by index[], but now I need to copy just a chunk of the vector. It looks like vector.insert(pos, first, last) is the function I want... except I only have first and last as ints. Is there any nice way I can get an iterator to these values?
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Good ways to sort a queryset? - Django
...or
auths = Author.objects.order_by('-score')[:30]
ordered = sorted(auths, key=operator.attrgetter('last_name'))
In Django 1.4 and newer you can order by providing multiple fields.
Reference: https://docs.djangoproject.com/en/dev/ref/models/querysets/#order-by
order_by(*fields)
By default, resul...
How to change font of UIButton with Swift
...l instead. The font property is deprecated in iOS 3.0. It also does not work in Objective-C. titleLabel is label used for showing title on UIButton.
myButton.titleLabel?.font = UIFont(name: YourfontName, size: 20)
However, while setting title text you should only use setTitle:forControlState:. D...
Encapsulation vs Abstraction?
...ed by their position, concrete examples of a List are an ArrayList or a LinkedList. Code that interacts with a List abstracts over the detail of which kind of a list it is using.
Abstraction is often not possible without hiding underlying state by encapsulation - if a class exposes its internal sta...