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Is there a library function for Root mean square error (RMSE) in python?

I know I could implement a root mean squared error function like this: 12 Answers 12 ...
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?

... In both cases, the int is optional. As to the difference between the two sets, the C++ standard mandates minimum ranges for each, and that long long is at least as wide as long. The controlling parts of the standard (C++11, but this has been around for a long time) are, for one, 3.9.1 Fundamental...
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How to read keyboard-input?

....Queue() # Create & start a thread to read keyboard inputs. # Set daemon to True to auto-kill this thread when all other non-daemonic threads are exited. This is desired since # this thread has no cleanup to do, which would otherwise require a more graceful approach to clean up then...
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How to print a debug log?

... + oned for mentionning that, btw you can also set the value of error_log to 'php://stdout' when debugging a console app and have the error messages appear straight to console, ie: error_log("You messed up!", 3, "php://stdout"); – stefgosselin ...
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Autocompletion in Vim

... For CSS support, add the dash for built in autocomplete by adding 'set iskeyword+=-' to your .vimrc – mahalie Jan 17 '12 at 20:54 3 ...
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What is the IntelliJ shortcut to create a local variable?

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undefined method `source_index' for Gem:Module (NoMethodError)

I'm running a Rails 2.3.5 application and upon running script/server I am shown the following: 5 Answers ...
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Difference between “managed” and “unmanaged”

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Smallest data URI image possible for a transparent image

I'm using a transparent 1x1 image with a background image, to be able to use sprites and still provide alternative text for some icons. ...
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Round a double to 2 decimal places [duplicate]

...ntException(); BigDecimal bd = BigDecimal.valueOf(value); bd = bd.setScale(places, RoundingMode.HALF_UP); return bd.doubleValue(); } Note that HALF_UP is the rounding mode "commonly taught at school". Peruse the RoundingMode documentation, if you suspect you need something else such a...