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Get records with max value for each group of grouped SQL results
...uper-simple way to do this in mysql:
select *
from (select * from mytable order by `Group`, age desc, Person) x
group by `Group`
This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first row. The solution is to first order the data...
What's onCreate(Bundle savedInstanceState)
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How to select only the first rows for each unique value of a column
...th cte as (
select CName, AddressLine,
rank() over (partition by CName order by AddressLine) as [r]
from MyTable
)
select CName, AddressLine
from cte
where [r] = 1
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Wait for all promises to resolve
...ttp://jsfiddle.net/ThomasBurleson/QqKuk/
http://denisonluz.com/blog/index.php/2013/10/06/angularjs-returning-multiple-promises-at-once-with-q-all/
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Find object by id in an array of JavaScript objects
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As long as you don't rely on the order of properties: stackoverflow.com/questions/4886314/…
– Marle1
Nov 5 '14 at 16:28
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ImageView - have height match width?
...your know the Views width at runtime. You need to use a Runnable thread in order to get the Views width at runtime or else you'll be trying to set the Height before you know the View's width because the layout hasn't been drawn yet.
Example of how I solved my problem:
final FrameLayout mFrame = (F...
Play an audio file using jQuery when a button is clicked
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Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...group of types that share a similar structure, and treating them simply as ordered set of values. In all cases, a benefit of tuples is that they avoid cluttering your namespace with data-only classes that expose properties but not methods.
Here's an example of a reasonable use for Tuple<>:
v...
Adding multiple columns AFTER a specific column in MySQL
...pend to the table.
E.g: if you want to add count, log, status in the exact order after lastname, then the syntax would actually be:
ALTER TABLE users
ADD COLUMN log VARCHAR(12) NOT NULL AFTER lastname,
ADD COLUMN status INT(10) UNSIGNED NOT NULL AFTER lastname,
ADD COLUMN count SMALLINT(...
Select statement to find duplicates on certain fields
...ou use the approach in the link above. Based on that you'll need to use an order by clause and a sub query if needed. If you can post some sample data, it would really help.
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