Vaadin – how to set max size for a dynamically growing panel

maxpanelsizevaadin

The problem is the folowing:
I have to create a panel in Vaadin that has undefined heigth, but there is also a constraint that it should expand only til it reaches a maximum size (heigth).
Does anyone know a solution for this?
It is not yet implemented yet as a built-in feature in Vaadin, see:

http://dev.vaadin.com/ticket/6137

What can be done instead?

Best Answer

The only approach I can think of that may be worth trying - and I've no idea if it'll work - is to try and use a containing CSSLayout, and use max-height: in the CSS to create a maximum size for the panel.

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Mysql – How to SELECT rows with MAX(Column value), PARTITION by another column in MYSQL

You are so close! 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 = groupedtt.MaxDateTime

Mysql – How to get the max of two values in MySQL

Use GREATEST()

E.g.:

SELECT GREATEST(2,1);

Note: Whenever if any single value contains null at that time this function always returns null (Thanks to user @sanghavi7)

Best Answer

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Mysql – How to SELECT rows with MAX(Column value), PARTITION by another column in MYSQL

Mysql – How to get the max of two values in MySQL

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