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How to add dividers and spaces between items in RecyclerView?
... visual grouping boundaries and more.
All ItemDecorations are drawn in the order they were added, before the item views (in onDraw()) and after the items (in onDrawOver(Canvas, RecyclerView, RecyclerView.State).
Vertical spacing ItemDecoration
Extend ItemDecoration, add custom constructor which tak...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
... 4 9 2
A(2,3)
ans =
7
A(8)
ans =
7
We can see the order the elements are stored in memory by unrolling the array into a vector.
A(:)
ans =
8
3
4
1
5
9
6
7
2
As you can see, the 8th element is the number 7. In fact, the function...
How to affect other elements when one element is hovered
...x-direction to reverse, so that the elements are displayed in the opposite order from the one they're in the DOM. The screenshot above is from such a widget, implemented with pure CSS.
Flexbox is very well supported by 95% of modern browsers.
.rating {
display: flex;
flex-direction: row-...
Python Mocking a function from an imported module
...lso, this will allow you to make several replacements in the same test. In order to do so, use the 'with' statment in a pretty simillar manner:
from mock import patch
class MockingTestTestCase(unittest.TestCase):
def test_mock_stubs(self):
with patch('app.mocking.get_user_name', retur...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
...;
Another thing to keep in mind is that while this preserves the natural order for fragments themselves, you might still need to handle the activity itself being destroyed and recreated on orientation (config) change. To get around this in AndroidManifest.xml for your node:
android:configChange...
Placing border inside of div and not on its edge
I have a <div> element and I want to put a border on it. I know I can write style="border: 1px solid black" , but this adds 2px to either side of the div, which is not what I want.
...
Workflow for statistical analysis and report writing
... I have started numbering the scripts, so it's completely obvious in which order they should be run. (If I'm feeling really fancy I'll sometimes make it so that the exploration script will call the cleaning script which in turn calls the download script, each doing the minimal work necessary - usua...
Last non-empty cell in a column
...ay to {1,1,..,#DIV/0!,..}.
Since LOOKUP expects sorted array in ascending order, and taking into account that if the LOOKUP function can not find an exact match, it chooses the largest value in the lookup_range (in our case {1,1,..,#DIV/0!,..}) that is less than or equal to the value (in our case 2...
What is the difference between string primitives and String objects in JavaScript?
...tive by itself does not support you adding your own properties to it. In order to allow that, javascript also has a String object which has all the same methods as a string primitive, but is a full-blown object that you can treat like an object in all ways. This dual form appears to be a bit mess...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...e think their keyboard is broken. perhaps subtly change the background or border colour.. just as long as the user knows that your app is actually doing something.
– nickf
May 21 '09 at 7:58
...