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How to scale an Image in ImageView to keep the aspect ratio
...to fit the rescaled image. For example, if you have a rectangular image in what would normally be a square ImageView, adjustViewBounds=true will make it resize the ImageView to be rectangular as well. This then affects how other Views are laid out around the ImageView.
Then as Samuh wrote, you can c...
Override and reset CSS style: auto or none don't work
...hing.
The second set of properties will simply hide the table, as that's what display: none is for.
Try resetting it to table instead:
table.other {
width: auto;
min-width: 0;
display: table;
}
Edit: min-width defaults to 0, not auto
...
Passing an integer by reference in Python
...ny better in Python. The reason is because in Python, assignment (=) takes whatever object is the result of the right hand side and binds it to whatever is on the left hand side *(or passes it to the appropriate function).
Understanding this, we can see why there is no way to change the value of an...
Determine the type of an object?
...lso accept derived types. So unless you actually need the type object (for whatever reason), using isinstance() is preferred over type().
The second parameter of isinstance() also accepts a tuple of types, so it’s possible to check for multiple types at once. isinstance will then return true, if ...
Are global variables in PHP considered bad practice? If so, why?
... about global variables in other languages it means something different to what it does in PHP. That's because variables aren't really global in PHP. The scope of a typical PHP program is one HTTP request. Session variables actually have a wider scope than PHP "global" variables because they typical...
How can I sharpen an image in OpenCV?
...bout the parameters. kernel size and sigma can be looked up in opencv, but what about amount and threshold? Thanks!
– choise
Jun 5 '19 at 17:13
2
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How do cache lines work?
...- for instance, on my Atom processor - brings in about 64 bytes at a time, whatever the size of the actual data being read.
...
dynamically add and remove view to viewpager
...ethods:
// finishUpdate - called by the ViewPager - we don't care about what pages the
// pager is displaying so we don't use this method.
}
And here's some snips of code showing how to use the adapter.
class MainActivity extends Activity
{
private ViewPager pager = null;
private MainP...
Getting the last element of a list
...ement only postpones the inevitable "list index out of range" - and that's what should happen when attempting to get an element from an empty list. For Strings astr[-1:] could be a valid approach since it returns the same type as astr[-1], but I don't think the ':' helps to deal with empty lists (an...
Why is isNaN(null) == false in JS?
...popup saying "i think null is a number", which I find slightly disturbing. What am I missing?
8 Answers
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