大约有 30,000 项符合查询结果（耗时：0.0342秒） [XML]
updating table rows in postgres using subquery
... address=subquery.address,
partn=subquery.partn
FROM (SELECT address_id, customer, address, partn
FROM /* big hairy SQL */ ...) AS subquery
WHERE dummy.address_id=subquery.address_id;
This syntax is not standard SQL, but it is much more convenient for this type of query than standard ...
How to get scrollbar position with Javascript?
...an ancestor
element or with a top-level document's viewport.
Historically, detecting visibility of an element, or the relative
visibility of two elements in relation to each other, has been a
difficult task for which solutions have been unreliable and prone to
causing the browser and th...
Git - Ignore files during merge
I have a repo called myrepo on the remote beanstalk server.
7 Answers
7
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LEFT JOIN only first row
...
If you can assume that artist IDs increment over time, then the MIN(artist_id) will be the earliest.
So try something like this (untested...)
SELECT *
FROM feeds f
LEFT JOIN artists a ON a.artist_id = (
SELECT
MIN(fa.artist_id) a_id
FR...
Select SQL Server database size
...
Try this one -
Query:
SELECT
database_name = DB_NAME(database_id)
, log_size_mb = CAST(SUM(CASE WHEN type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(8,2))
, row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) * 8. / 1024 AS DECIMAL(8,2))
, total_size_m...
Convert string to number and add one
I want to turn the value I get from the id into a number and add one to it then pass the new value into the dosomething() function to use. When I tried this and the value is one I get back 11 not 2.
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Get selected value/text from Select on change
...g JavaScript
<script>
function val() {
d = document.getElementById("select_id").value;
alert(d);
}
</script>
<select onchange="val()" id="select_id">
Using jQuery
$('#select_id').change(function(){
alert($(this).val());
})
...
MySQL - UPDATE query based on SELECT Query
...syntax:
UPDATE tableA a
INNER JOIN tableB b ON a.name_a = b.name_b
SET validation_check = if(start_dts > end_dts, 'VALID', '')
-- where clause can go here
ANSI SQL syntax:
UPDATE tableA SET validation_check =
(SELECT if(start_DTS > end_DTS, 'VALID', '') AS validation_check
FRO...
Why doesn't println! work in Rust unit tests?
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@Nashenas, the option is called nocapture, not no-capture.
– Vladimir Matveev
Jul 16 '15 at 5:21
1
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Add Bootstrap Glyphicon to Input Box
... Although this doesn't do so hot at left aligning icons like the question calls for, but definitely a good approach.
– KyleMit
Jun 26 '14 at 15:46
1
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