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Detecting value change of input[type=text] in jQuery
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$("#myTextBox").on("change paste keyup select", function() {
alert($(this).val());
});
select for browser suggestion
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Setting “checked” for a checkbox with jQuery
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also $(selector).checked to check is checked
– eomeroff
May 2 '11 at 23:56
6
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Differences between detach(), hide() and remove() - jQuery
....empty()
The .empty() method removes all child nodes and content from the selected elements. This method does not remove the element itself, or its attributes.
Note
The .empty() method does not accept any argument to avoid memory leaks. jQuery removes other constructs, such as data and event hand...
Maximum Year in Expiry Date of Credit Card
...orget that in most browsers you can still key in the number and it'll auto select.
– Kevin Wiskia
Mar 22 '11 at 19:44
1
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How do I parse JSON with Ruby on Rails? [duplicate]
...o_json
JSON[string_to_parse]
# => [{"foo"=>1, "bar"=>2}]
If you root around in JSON you might notice it's a subset of YAML, and, actually the YAML parser is what's handling JSON. You can do this too:
require 'yaml'
YAML.load(string_to_parse)
# => [{"foo"=>1, "bar"=>2}]
If you...
What is difference between XML Schema and DTD?
..."UTF-8"?>
<!DOCTYPE university[ // --> university as root element
<!ELEMENT university (student*)> // --> university has * = Multiple students
<!ELEMENT student (name,year)> // --> Student has elements name and year
<!ELEMENT name (#PCDATA)> ...
chrome undo the action of “prevent this page from creating additional dialogs”
...correct answer is: YES, there is a better way.
Right click on the tab and select "Duplicate", then close the original tab if you wish.
Alerting is re-enabled in the duplicate.
The duplicate tab seems to recreate the running state of the original tab so you can just continue where you were.
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D3.js: How to get the computed width and height for an arbitrary element?
...d height for an arbitrary g element in my SVG because I need to draw a selection marker around it once the user has clicked it.
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string.Join on a List or other type
...le<T>)
If you can't upgrade, you can achieve the same effect using Select and ToArray.
return string.Join(",", a.Select(x => x.ToString()).ToArray());
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How to add column if not exists on PostgreSQL?
...s, _col text, _type regtype)
RETURNS bool AS
$func$
BEGIN
IF EXISTS (SELECT 1 FROM pg_attribute
WHERE attrelid = _tbl
AND attname = _col
AND NOT attisdropped) THEN
RETURN FALSE;
ELSE
EXECUTE format('ALTER TABLE %s ADD COLUMN %I %s...