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Retrieve a Fragment from a ViewPager
...yItem() of your Fragment(State)PagerAdapter:
public class MyPagerAdapter extends FragmentStatePagerAdapter {
SparseArray<Fragment> registeredFragments = new SparseArray<Fragment>();
public MyPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public i...
String concatenation: concat() vs “+” operator
...fference in semantics. If a is null, then a.concat(b) throws a NullPointerException but a+=b will treat the original value of a as if it were null. Furthermore, the concat() method only accepts String values while the + operator will silently convert the argument to a String (using the toString() me...
CSS selector for a checked radio button's label
..., with or without divs etc as long as the label follows the radio input.
Example:
input[type="radio"]:checked+label { font-weight: bold; }
<input id="rad1" type="radio" name="rad"/><label for="rad1">Radio 1</label>
<input id="rad2" type="radio" name="rad"/><label f...
Global and local variables in R
... the scope of variables. For instance, in the following code snippet:
if (x > 10) {
y <- 0
}
else {
y <- 1
}
y remains accessible after the if-else statement.
As you well say, you can also create nested environments. You can have a look at these two links for understanding how t...
When to use an interface instead of an abstract class and vice versa?
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This was ery helpful: Interfaces do not express something like "a Doberman is a type of dog and every dog can walk" but more like "this thing can walk". Thank you
– aexl
Nov 9 '14 at 11:07
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How can I set up an editor to work with Git on Windows?
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Converting between strings and ArrayBuffers
...low) to convert between strings and typed arrays using proper encoding.
TextEncoder
The TextEncoder represents:
The TextEncoder interface represents an encoder for a specific method,
that is a specific character encoding, like utf-8, iso-8859-2, koi8,
cp1261, gbk, ... An encoder takes a st...
How do I undo the most recent local commits in Git?
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
I'm working through some exercises and have got a warning that states:
4 Answers
4
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How do you use Mongoose without defining a schema?
...t changed into the database otherwise.
– laggingreflex
Mar 18 '15 at 2:48
5
If you use this metho...