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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...
Is there a function that returns the current class/method name? [duplicate]
...e.Name;
– James Furey
Oct 17 '12 at 0:44
1
What do to with respect to the "Possible System.NullRe...
TypeScript “this” scoping issue when called in jquery callback
...ance trade-off compared to the first method
Good: In TypeScript, this has 100% type safety
Good: Works in ECMAScript 3
Good: You only have to type the instance name once
Bad: You'll have to type the parameters twice
Bad: Doesn't work with variadic parameters
...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
...
What is “stdafx.h” used for in Visual Studio?
...afx.h is automatically generated when I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file.
...
Recommended way to save uploaded files in a servlet application
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Sep 6 '13 at 18:58
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How to get the absolute coordinates of a view
...as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this?
11 Answer...
py2exe - generate single executable file
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106
PyInstaller will create a single .exe file with no dependencies; use the --onefile option. It d...
C++ display stack trace on exception
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answered Mar 27 '09 at 22:55
Andrew GrantAndrew Grant
55.8k2222 gold badges126126 silver badges139139 bronze badges
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When to use an object instance variable versus passing an argument to the method
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answered Dec 6 '08 at 10:45
TomTom
13k44 gold badges4545 silver badges6060 bronze badges
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