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How do I find duplicates across multiple columns?
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Using count(*) over(partition by...) provides a simple and efficient means to locate unwanted repetition, whilst also list all affected rows and all wanted columns:
SELECT
t.*
FROM (
SELECT
s.*
, COUNT(*) OVER (PARTITION BY s.name, s.city) AS qty
FROM stuff s
) t
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Angular ng-repeat Error “Duplicates in a repeater are not allowed.”
...larjs/
AngularJS does not allow duplicates in a ng-repeat directive. This means if you are trying to do the following, you will get an error.
// This code throws the error "Duplicates in a repeater are not allowed.
// Repeater: row in [1,1,1] key: number:1"
<div ng-repeat="row in [1,1,1]">
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How do I create a URL shortener?
...d a inverse function g('abc') = 123 for your f(123) = 'abc' function. This means:
There must be no x1, x2 (with x1 ≠ x2) that will make f(x1) = f(x2),
and for every y you must be able to find an x so that f(x) = y.
How to convert the ID to a shortened URL
Think of an alphabet we want to use....
How to customize a Spinner in Android
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in the first code snipped do you mean android:height="1dp" in line 6?
– Willi Mentzel
Jun 29 '16 at 13:25
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How to specify an area name in an action link?
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How does this look like translated into link? I mean - when form is rendered and returned to the client.
– FrenkyB
Jul 25 '17 at 6:28
add a comment
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Generate GUID in MySQL for existing Data?
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Looks like a simple typo. Didn't you mean "...where columnId is null"?
UPDATE db.tablename
SET columnID = UUID()
where columnID is null
share
|
improve th...
How to submit form on change of dropdown list?
...load of CSS to make it look like a true dropdown list. But then there's no means of a <select> anymore.
– BalusC
Oct 9 '13 at 18:51
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Check if event is triggered by a human
...ry stores the original event object inside this property. Btw, what do you mean you don't know? You just provided the link to the documentation :)
– Šime Vidas
Jul 14 '11 at 11:41
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How to prevent custom views from losing state across screen orientation changes
...y and not assigning unique ids.
The link shared by mato will work, but it means none of the individual Views manage their own state - the entire state is saved in the ViewGroup methods.
The problem is that when multiple of these ViewGroups are added to a layout, the ids of their elements from the ...