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Simple way to calculate median with MySQL
...2),FLOOR((3+2)/2); -- when total_rows is 3, avg rows 2 and 2
SELECT FLOOR((4+1)/2),FLOOR((4+2)/2); -- when total_rows is 4, avg rows 2 and 3
Finally, MariaDB 10.3.3+ contains a MEDIAN function
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Update MongoDB field using value of another field
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The best way to do this is in version 4.2+ which allows using of aggregation pipeline in the update document and the updateOne, updateMany or update collection method. Note that the latter has been deprecated in most if not all languages drivers.
MongoDB 4.2+
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In-Place Radix Sort
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dsimchadsimcha
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Installing PG gem on OS X - failure to build native extension
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Same error for me and I didn't experience it until I downloaded OS X 10.9 (Mavericks). Sigh, a...
Why can't variable names start with numbers?
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CFBundleVersion in the Info.plist Upload Error
..., the only viable solution is to bump the front number (e.g. the "2" in "2.4" -- increase it to "3")
The version number you upload is unrelated to the version number that appears in iTunes - you can put anything you want there, and that's what your users will see
...except, if you also report the "a...
Are Java static initializers thread safe?
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answered May 18 '09 at 16:43
Matthew MurdochMatthew Murdoch
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How to get a float result by dividing two integer values using T-SQL?
...chardRichard
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Printing Lists as Tabular Data
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edited Jul 1 '19 at 18:41
Cristian Ciupitu
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Python: Bind an Unbound Method?
...return 2 * self.val
bind(something, double)
something.double() # returns 42
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