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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
... even a DISTINCT+ORDER BY might still be faster than a GROUP BY due to the extra hints for the optimizer as explained by SquareCog.
– rustyx
Jan 25 '15 at 15:03
1
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How to programmatically disable page scrolling with jQuery
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If you use some extra css you CAN completely disable scrolling, see my answer for more details.
– gitaarik
Jun 25 '13 at 9:28
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WCF vs ASP.NET Web API [closed]
...h WCF even for simple or simplest single web service it will bring all the extra baggage. For light weight simple service for ajax or dynamic calls always WebApi just solves the need. This neatly complements or helps in parallel to the ASP.net MVC.
Check out the podcast : Hanselminutes Podcast 264 ...
How to prevent form from submitting multiple times from client side?
...o linking the identifier to the users session and match that, as well, for extra security.) After the data processing delete the identifier.
Of course, once in a while, you'd need to clean up the identifiers for which never any form data was submitted. But most probably your website already employs...
T-SQL: Deleting all duplicate rows but keeping one [duplicate]
...ed I know there are some duplicates in this table.
I need to eliminate the extra rows from the perspective of the key columns. Some other columns may have slightly different data but I do not care about that. I still need to keep one of these rows however. SELECT DISTINCT won't work because it ope...
Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”
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For me an extra step was needed: going to the properties of said project->java build path->libraries->select "JRE System Library", click Edit and select "Workspace default JRE"
– maayank
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Asserting successive calls to a mock method
...\mock.py", line 891, in assert_any_call
'%s call not found' % expected_string
AssertionError: mock(4) call not found
I find doing it this way to be easier to read and understand than a large list of calls passed into a single method.
If you do care about order or you expect multiple identical...
Difference between if () { } and if () : endif;
...n your code"? I think it is same for the traditional syntax {} as well. No extra echo is needed <?php if(...){ ?> ... <?php }else{ ?> ... <?php } ?>. What is the difference with <?php if(...): ?> ... <?php else: ?> ... <?php endif ?>?
– Sithu...
Show percent % instead of counts in charts of categorical variables
... shows what additional columns are added to the data frame by ggplot2. All extra columns are of the form ..variable...
– Ramnath
May 17 '14 at 13:42
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One-liner to take some properties from object in ES 6
...; there is no slimmer general solution (torazaburo's solution removes from extra verbage, but the essential problem -- that all property names have to be written twice -- means it doesn't scale any better than your solution). My solution at least scales well...right the pick function once, and you ...