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The SQL OVER() clause - when and why is it useful?
.... The difference is, with GROUP BY you can only have the aggregated values for the columns that are not included in GROUP BY.
In contrast, using windowed aggregate functions instead of GROUP BY, you can retrieve both aggregated and non-aggregated values. That is, although you are not doing that in ...
Illegal string offset Warning PHP
...
Found it. Thanks for your help. var_dump helped. I loaded the array from a config file, which had the strage content like this. array(2) { ["host"]=> string(9) "127.0.0.1" ["port"]=> string(5) "11211" }...
JavaScript function in href vs. onclick
...in href versus inline in onclick? Assuming you were going to put it inline for some reason, which should you use? (In practice I would do what you've suggested, but you seem to have skipped over the difference between the two attributes.)
– nnnnnn
Sep 6 '17 at ...
Performing Inserts and Updates with Dapper
...ore or not. See: https://code.google.com/archive/p/dapper-dot-net/issues/6 for progress.
In the mean time you can do the following
val = "my value";
cnn.Execute("insert into Table(val) values (@val)", new {val});
cnn.Execute("update Table set val = @val where Id = @id", new {val, id = 1});
et...
REST URI convention - Singular or plural name of resource while creating it
...'ve observed that in some RESTful services they use different resource URI for update/get/delete and Create. Such as
22 Ans...
What are naming conventions for MongoDB?
Is there a set of preferred naming conventions for MongoDB entitites such as databases, collections, field names?
6 Answers...
Find rows that have the same value on a column in MySQL
In a [member] table, some rows have the same value for the email column.
8 Answers
8...
When a 'blur' event occurs, how can I find out which element focus went *to*?
... pull the element that was clicked on. I expected toElement to do the same for IE, but it does not appear to work... However, you can pull the newly-focused element from the document:
function showBlur(ev)
{
var target = ev.explicitOriginalTarget||document.activeElement;
document.getElementBy...
How to resume Fragment from BackStack if exists
...nce it shouldn't require keeping track of a number that may change and reinforces the "unique back stack entry" logic.
Since you want only one back stack entry per Fragment, make the back state name the Fragment's class name (via getClass().getName()). Then when replacing a Fragment, use the popBac...
How to delete duplicate rows in SQL Server?
...the two combined allow us to see which rows are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE:
WITH CTE AS(
SELECT [col1], [col2], [col3], [col4], [col5], [col6], [col7],
RN = ROW_NUMBER()OVER(PARTITION BY col1 ORDER BY col1)
FROM dbo.Table1
)
...