大约有 47,000 项符合查询结果(耗时:0.0654秒) [XML]
How do I convert a hexadecimal color to rgba with the Less compiler?
...e absolute opacity % (higher value means less transparent):
fade(@color, 50%); // Return @color with 50% opacity in rgba
share
|
improve this answer
|
follow
...
Using jQuery to see if a div has a child with a certain class
...
201
You can use the find function:
if($('#popup').find('p.filled-text').length !== 0)
// Do Stu...
Class with Object as a parameter
...
answered Sep 11 '11 at 0:46
unutbuunutbu
665k138138 gold badges14831483 silver badges14721472 bronze badges
...
?: operator (the 'Elvis operator') in PHP
...will leave foo unchanged.
Some more examples:
<?php
var_dump(5 ?: 0); // 5
var_dump(false ?: 0); // 0
var_dump(null ?: 'foo'); // 'foo'
var_dump(true ?: 123); // true
var_dump('rock' ?: 'roll'); // 'rock'
?>
By the way, it's called the Elvis operator.
...
JavaScript moving element in the DOM
...$('div').eq(2));
$('div').eq(1).insertBefore('div:first');
}, 3000 );
});
share
|
improve this answer
|
follow
|
...
Why is MySQL's default collation latin1_swedish_ci?
...
109
The bloke who wrote it was co-head of a Swedish company.
Possibly for similar reasons, Microso...
Struct inheritance in C++
...
answered Jun 11 '09 at 3:44
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
...
How can I initialize an ArrayList with all zeroes in Java?
... the initial number of elements in the list).
To initialize an list with 60 zeros you do:
List<Integer> list = new ArrayList<Integer>(Collections.nCopies(60, 0));
If you want to create a list with 60 different objects, you could use the Stream API with a Supplier as follows:
List&...
Clojure: cons (seq) vs. conj (list)
...
150
One difference is that conj accepts any number of arguments to insert into a collection, while c...
How Do I Hide wpf datagrid row selector
...
150
Use the RowHeaderWidth property:
<my:DataGrid RowHeaderWidth="0" AutoGenerateColumns="False"...