大约有 48,000 项符合查询结果（耗时：0.0580秒） [XML]
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
... All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields:
SELECT tt.*
FROM topten tt
INNER JOIN
(SELECT home, MAX(datetime) AS MaxDateTime
FROM topten
GROUP BY home) groupedtt
ON tt.home = groupedtt.home
AND tt.datetime = gr...
Set “Homepage” in Asp.Net MVC
In asp.net MVC the "homepage" (ie the route that displays when hitting www.foo.com) is set to Home/Index .
8 Answers
...
Pandas dataframe get first row of each group
I have a pandas DataFrame like following.
5 Answers
5
...
SQL Joins Vs SQL Subqueries (Performance)?
I wish to know if I have a join query something like this -
8 Answers
8
...
How to retrieve inserted id after inserting row in SQLite using Python?
How to retrieve inserted id after inserting row in SQLite using Python? I have table like this:
2 Answers
...
jQuery UI Sortable, then write order into a database
...
The jQuery UI sortable feature includes a serialize method to do this. It's quite simple, really. Here's a quick example that sends the data to the specified URL as soon as an element has changes position.
$('#element').sortable({
axis: 'y',
updat...
Mapping many-to-many association table with extra column(s)
My database contains 3 tables:
User and Service entities have many-to-many relationship and are joined with the SERVICE_USER table as follows:
...
jQuery: select all elements of a given class, except for a particular Id
...n();
If you have multiple ids or selectors just use the comma delimiter, in addition:
(".thisclass:not(#thisid,#thatid)").doAction();
share
|
improve this answer
|
follow
...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...tly asked question here is how to do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation.
...
jquery selector for id starts with specific text [duplicate]
...
$('.commonClass').
But you can use the first one if html markup is not in your hands & cannot change it for some reason.
Alternative solution - 2 (not recommended if n is a large number)
(as per @Mihai Stancu's suggestion)
$('#editDialog-0, #editDialog-1, #editDialog-2,...,#editDialog-n')
...