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Inheriting class methods from modules / mixins in Ruby

... Sergio TulentsevSergio Tulentsev 203k3636 gold badges337337 silver badges336336 bronze badges ...
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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...
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How to check if command line tools is installed

I have a macbook pro with OS X 10.8.2. XCode is installed. I know this as it appears in the Applications directory. There are also the xcodebuild and xcode-select files in /usr/bin I need to know if the command line tools is installed. Is there a command for it? What can I do to see if XCode CLT is ...
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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...
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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? ...
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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 ...
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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. ...
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Recommended way to save uploaded files in a servlet application

... | 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...
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py2exe - generate single executable file

... 106 PyInstaller will create a single .exe file with no dependencies; use the --onefile option. It d...