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Switching between Android Navigation Drawer image and Up caret when using fragments
...icators to act according to their shape
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (mDrawerToggle.isDrawerIndicatorEnabled() &&
mDrawerToggle.onOptionsItemSelected(item)) {
return true;
} else if (item.getItemId() == android.R.id.home &&a...
What is the use of ObservableCollection in .net?
..., NotifyCollectionChangedEventArgs e)
{
foreach (var x in e.NewItems)
{
// do something
}
foreach (var y in e.OldItems)
{
//do something
}
if (e.Action == NotifyCollectionChangedAction.Move)
{
//...
How to return dictionary keys as a list in Python?
...no function call is actually performed:
%timeit [*newdict]
1000000 loops, best of 3: 249 ns per loop
%timeit list(newdict)
1000000 loops, best of 3: 508 ns per loop
%timeit [k for k in newdict]
1000000 loops, best of 3: 574 ns per loop
with larger dictionaries the speed is pretty much the same ...
How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
...y that base64 images don't work in IE7 either... otherwise it would be the best solution...
– Diego
Sep 30 '13 at 16:17
1
...
Hashing a dictionary?
... your dictionary is not nested, you could make a frozenset with the dict's items and use hash():
hash(frozenset(my_dict.items()))
This is much less computationally intensive than generating the JSON string or representation of the dictionary.
UPDATE: Please see the comments below, why this appro...
Bidirectional 1 to 1 Dictionary in C#
... firstToSecond.Count; }
}
/// <summary>
/// Removes all items from the dictionary.
/// </summary>
public void Clear()
{
firstToSecond.Clear();
secondToFirst.Clear();
}
}
...
Inverse dictionary lookup in Python
...modified it would still work suitably. A naive implementation: dictObject.items().index(key)
– Brian Jack
Jul 25 '12 at 19:43
...
How to use the new affix plugin in twitter's bootstrap 2.1.0?
...
This answer is the best! Everything works as it should. The 'jump' part was the one missing in most tutorials I found. Thanks!
– Ricardo Otero
Apr 8 '13 at 22:41
...
How to enumerate an enum
...e<Suits>().ToArray(). In that case I can iterate array of Suits enum items, not strings.
– Barabas
Jun 24 '19 at 12:57
...
How exactly does a generator comprehension work?
...or expression is like a list comprehension, but instead of finding all the items you're interested and packing them into list, it waits, and yields each item out of the expression, one by one.
>>> my_list = [1, 3, 5, 9, 2, 6]
>>> filtered_list = [item for item in my_list if item &...