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HTML form readonly SELECT tag/input
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You should keep the select element disabled but also add another hidden input with the same name and value.
If you reenable your SELECT, you should copy its value to the hidden input in an onchange event and disable (or remove) the hidden input.
Here is a demo:
$('#mainform').submit(...
How to get the list of all printers in computer
...other data, using the query to win32_Printer is way slower than doing this call
– Noman_1
Jun 18 at 8:57
This is the b...
How to set enum to null
...uiman no need to cast since the type is specified on the left, you are basically duplicating the first part of my answer that is already accepted.
– Rodney S. Foley
Jul 8 '15 at 22:50
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How do I toggle an element's class in pure JavaScript?
...'.menu') // Using a class instead, see note below.
menu.classList.toggle('hidden-phone');
As an aside, you shouldn't be using IDs (they leak globals into the JS window object).
share
|
improve thi...
SQL UPDATE all values in a field with appended string CONCAT not working
...s pretty much all you need:
mysql> select * from t;
+------+-------+
| id | data |
+------+-------+
| 1 | max |
| 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');
Query OK, 4 rows affected (0.01 sec...
Detect changes in the DOM
...te your own domChanged API - with a function or custom event - and trigger/call it everywhere you modify things.
The DOM Level-2 has Mutation event types, but older version of IE don't support it. Note that the mutation events are deprecated in the DOM3 Events spec and have a performance penalty.
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How to select Python version in PyCharm?
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PyCharm 2019.1+
There is a new feature called Interpreter in status bar (scroll down a little bit). This makes switching between python interpreters and seeing which version you’re using easier.
Enable status bar
In case you cannot see the status bar, you ca...
Git for beginners: The definitive practical guide
... browse
revisions history, view patch content
and changed files, graphically
following different development
branches.
Download
gitg
gitg is a git repository viewer
targeting gtk+/GNOME. One of its main
objectives is to provide a more
unified user experience for git
frontend...
Storing a Map using JPA
...ns.
Something like this should work:
@Entity
public class Example {
@Id long id;
// ....
@ElementCollection
@MapKeyColumn(name="name")
@Column(name="value")
@CollectionTable(name="example_attributes", joinColumns=@JoinColumn(name="example_id"))
Map<String, String>...
How can I make a weak protocol reference in 'pure' Swift (without @objc)
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My problem with this solutions is that calling the delegate causes a crash - EXC_BAD_ACCESS (as noted by others elsewhere). This seems to be bug. The only solution I have found is to use @objc and eliminate all Swift data types from the protocol.
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