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Android: When is onCreateOptionsMenu called during Activity lifecycle?
...or, since it's a wrapper on the compatibility library, which puts the menu items in the "ActionBar".
– Christopher Perry
Oct 9 '11 at 23:05
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
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Shallow is probably the best option for now, but it's not returned with compression and can become pretty slow and experience for large data sets
– Mbrevda
Jun 24 '16 at 9:36
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Twitter Bootstrap 3.0 how do I “badge badge-important” now
...ou want to get the special list-group floating just add this! .list-group-item > .label-as-badge { float: right; } .list-group-item > .label-as-badge + .label-as-badge { margin-right: 5px; }
– Gausie
Mar 4 '15 at 18:58
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How to bind a List to a ComboBox?
... you would do something like: Country country = (Country)comboBox1.SelectedItem;.
If you want the ComboBox to dynamically update you'll need to make sure that the data structure that you have set as the DataSource implements IBindingList; one such structure is BindingList<T>.
Tip: make sur...
Usage of __slots__?
...onempty slots" cannot be combined.
To accommodate this restriction, follow best practices: Factor out all but one or all parents' abstraction which their concrete class respectively and your new concrete class collectively will inherit from - giving the abstraction(s) empty slots (just like abstract...
Should ol/ul be inside or outside?
...paragraph unless that paragraph is contained entirely within a single list item.
A browser will handle it like so:
<p>tetxtextextete
<!-- Start of paragraph -->
<ol>
<!-- Start of ordered list. Paragraphs cannot contain lists. Insert </p> -->
<li>first element...
C# Convert List to Dictionary
...for more info.
As Pranay points out in the comments, this will fail if an item exists in the list multiple times.
Depending on your specific requirements, you can either use var dict = list.Distinct().ToDictionary(x => x); to get a dictionary of distinct items or you can use ToLookup instead:
v...
jQuery: select an element's class and id at the same time?
... I've found sometimes it's picky about the space. like $(.selector > .item#id) works, but $(.selector > .item #id) doesnt.
– Abe Petrillo
May 10 '11 at 13:10
21
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How to find out element position in slice?
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func index(slice []string, item string) int {
for i, _ := range slice {
if slice[i] == item {
return i
}
}
return -1
}
share
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When to use ko.utils.unwrapObservable?
... using KnockoutJS. I'm still unsure when to use ko.utils.unwrapObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout about creating custom bindings, th...