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Javascript/jQuery: Set Values (Selection) in a multiple Select
...= true;
});
<select name='strings' id="strings" multiple style="width:100px;">
<option value="Test">Test</option>
<option value="Prof">Prof</option>
<option value="Live">Live</option>
<option value="Off">Off</option>
&l...
Key existence check in HashMap
...pplied to the key (the name of the bank account). To add 2 transactions of 100 and 200 to checking_account you can write:
HashMap<String, ArrayList<Integer>> map = new HashMap<>();
map.computeIfAbsent("checking_account", key -> new ArrayList<>())
.add(100)
.add(200)...
How to make an element width: 100% minus padding?
...'s a demo: http://jsfiddle.net/thirtydot/QkmSk/301/
.content {
width: 100%;
box-sizing: border-box;
}
The browser prefixed versions (-webkit-box-sizing, etc.) are not needed in modern browsers.
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How can i take an UIImage and give it a black border?
...ust black.
UIView *blackBG = [[UIView alloc] initWithFrame:CGRectMake(0,0,100,100)];
blackBG.backgroundColor = [UIColor blackColor];
UIImageView *myPicture = [[UIImageView alloc] initWithImage:
[UIImage imageNamed: @"myPicture.jpg"]];
int borderWidth = 10;
myPicture.fr...
How to update column with null value
...special syntax:
CREATE TABLE your_table (some_id int, your_column varchar(100));
INSERT INTO your_table VALUES (1, 'Hello');
UPDATE your_table
SET your_column = NULL
WHERE some_id = 1;
SELECT * FROM your_table WHERE your_column IS NULL;
+---------+-------------+
| some_id | your_column |
+--...
Converting an array of objects to ActiveRecord::Relation
...ord::StatementInvalid (PG::TooManyArguments: ERROR: cannot pass more than 100 arguments to a function) This workaround can not stand over 100 arguments to a function, thus, it works with relations of total length up to 100, ids like 112 and 12 won't be separated from each other.
...
Why does MYSQL higher LIMIT offset slow the query down?
...
FROM mytable
ORDER BY
id
LIMIT 10000, 30
) q
JOIN mytable t
ON t.id = q.id
See this article:
MySQL ORDER BY / LIMIT performance: late row lookups
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Set title background color
...
+100
This thread will get you started with building your own title bar in a xml file and using it in your activities
Edit
Here is a bri...
How to delete a whole folder and content?
...matter is DCIM is not deleted as long as the photos are...so even deleting 100MEDIA the folder within this would do the job
– Beginner
Feb 9 '11 at 11:00
1
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Make child visible outside an overflow:hidden parent
...low: visible; position: absolute; visibility: visible; clear:both; height: 1000px; top: 100px; left: 10px;"> a</div>
</div>
</div>
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