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Simple way to calculate median with MySQL
...um+1 as `row_number`, @total_rows:=@rownum
FROM data d, (SELECT @rownum:=0) r
WHERE d.val is NOT NULL
-- put some where clause here
ORDER BY d.val
) as dd
WHERE dd.row_number IN ( FLOOR((@total_rows+1)/2), FLOOR((@total_rows+2)/2) );
Steve Cohen points out, that after the first pass, @rown...
Why is Class.newInstance() “evil”?
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answered Oct 12 '08 at 10:43
Chris Jester-YoungChris Jester-Young
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Apache: client denied by server configuration
...l granted
– MarkHu
May 22 '14 at 8:30
@MarkHu - can you explain the possible necessity of Satisfy any in this context?...
Xcode variables
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edited Oct 14 '16 at 20:09
Ben Flynn
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ans...
Can we have multiple “WITH AS” in single sql - Oracle SQL
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DeepshikhaDeepshikha
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Setting CSS pseudo-class rules from JavaScript
...ng embedded or linked stylesheet) using syntax like:
document.styleSheets[0].insertRule('#elid:hover { background-color: red; }', 0);
document.styleSheets[0].cssRules[0].style.backgroundColor= 'red';
IE, of course, requires its own syntax:
document.styleSheets[0].addRule('#elid:hover', 'backgrou...
How to optimize imports automatically after each save in IntelliJ IDEA
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edited Dec 4 '15 at 10:19
Oliv
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answered Jul ...
What is an xs:NCName type and when should it be used?
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answered Oct 27 '09 at 15:11
Andrey AdamovichAndrey Adamovich
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How do I run git log to see changes only for a specific branch?
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edited Jun 7 '18 at 16:10
answered Jan 10 '11 at 17:07
Wa...
What does @: (at symbol colon) mean in a Makefile?
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208
It means "don't echo this command on the output." So this rule is saying "execute the shell co...