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Get selected value of a dropdown's item using jQuery
How can I get the selected value of a dropdown box using jQuery?
I tried using
30 Answers
...
SQL update fields of one table from fields of another one
...ic SQL is totally non-standard PostgreSQL syntax.
DO
$do$
BEGIN
EXECUTE (
SELECT
'UPDATE b
SET (' || string_agg( quote_ident(column_name), ',') || ')
= (' || string_agg('a.' || quote_ident(column_name), ',') || ')
FROM a
WHERE b.id = 123
AND a.id = b.id'
FROM i...
What method in the String class returns only the first N characters?
...input string to is longer than the provided length N , only the first N characters are to be displayed.
12 Answers
...
How does UTF-8 “variable-width encoding” work?
... Like this:
0xxx xxxx A single-byte US-ASCII code (from the first 127 characters)
The multi-byte code-points each start with a few bits that essentially say "hey, you need to also read the next byte (or two, or three) to figure out what I am." They are:
110x xxxx One more byte follows
11...
What's the complete range for Chinese characters in Unicode?
...gh the CJK Unicode FAQ (which does include "Chinese, Japanese, and Korean" characters)
The "East Asian Script" document does mention:
Blocks Containing Han Ideographs
Han ideographic characters are found in five main blocks of the Unicode Standard, as
shown in Table 12-2
Table 12-2. Blocks Contain...
PostgreSQL query to return results as a comma separated list
Let say you have a SELECT id from table query (the real case is a complex query) that does return you several results.
5 ...
How can I render a list select box (dropdown) with bootstrap?
...e box that bootstrap supports to render a "regular" defacto drop down list select box? That is, where the drop down box is a list of values and if selected populate the contents of the list box?
...
How to include “zero” / “0” results in COUNT aggregate?
...n outer join for this (and you need to use person as the "driving" table)
SELECT person.person_id, COUNT(appointment.person_id) AS "number_of_appointments"
FROM person
LEFT JOIN appointment ON person.person_id = appointment.person_id
GROUP BY person.person_id;
The reason why this is working, i...
Working with select using AngularJS's ng-options
...o work... note the ng-model="blah" which is saying "set $scope.blah to the selected value".
Try this:
<select ng-model="blah" ng-options="item.ID as item.Title for item in items"></select>
Here's more from AngularJS's documentation (if you haven't seen it):
for array data sources...
hexadecimal string to byte array in python
...t bytes.fromhex throws an error when the input string has an odd number of characters: bytes.fromhex("aab") → ValueError: non-hexadecimal number found in fromhex() arg at position 3.
– Константин Ван
Jul 24 '18 at 17:35
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