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How to get the last value of an ArrayList
...ck whether RandomAccess is implemented and therefore if it is accesses the item in O(1).
– Karl Richter
Jun 22 '17 at 23:23
1
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Close iOS Keyboard by touching anywhere using Swift
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This is the best answer I've ever used so far! This answer should be marked as correct. Thanks man!
– wagng
Oct 23 '17 at 14:17
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jQuery UI Sortable, then write order into a database
... I usually do something like this:
<ul id="sortable">
<li id="item-1"></li>
<li id="item-2"></li>
...
</ul>
When you use the serialize option, it will create a POST query string like this: item[]=1&item[]=2 etc. So if you make use - for example - y...
How to customize a Spinner in Android
...eFromResource(this,
R.array.travelreasons, R.layout.simple_spinner_item);
adapter.setDropDownViewResource(R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
R.layout.simple_spinner_item
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:...
ItemsControl with horizontal orientation
Do you know any controls inherited from the ItemsControl that have horizontal orientation of items?
5 Answers
...
How to “fadeOut” & “remove” a div in jQuery?
...
$(document).ready(function() {
var $deleteButton = $('.deleteItem');
$deleteButton.on('click', function(event) {
event.preventDefault();
var $button = $(this);
if(confirm('Are you sure about this ?')) {
var $item = $button.clos...
How to remove an element slowly with jQuery?
...
$(document).ready(function() {
var $deleteButton = $('.deleteItem');
$deleteButton.on('click', function(event) {
event.preventDefault();
var $button = $(this);
if(confirm('Are you sure about this ?')) {
var $item = $button.closest('tr.item');
...
Difference between string and text in rails?
... But in the interest of being database agnostic, is this the best approach? What if you want to change the database? I grant, in the real world that doesn't happen that often, but still...if there's 'no peformance difference' why not stick to the expected use of string for short things...
Efficient way to rotate a list in python
...hey even have a dedicated rotate() method.
from collections import deque
items = deque([1, 2])
items.append(3) # deque == [1, 2, 3]
items.rotate(1) # The deque is now: [3, 1, 2]
items.rotate(-1) # Returns deque to original state: [1, 2, 3]
item = items.popleft() # deque == [2, ...
In Python, when to use a Dictionary, List or Set?
...et just contain values: very different use cases, obviously.
set requires items to be hashable, list doesn't: if you have non-hashable items, therefore, you cannot use set and must instead use list.
set forbids duplicates, list does not: also a crucial distinction. (A "multiset", which maps dupli...