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

...u are learning to throw darts at a dart board. Every day you practice for one hour. You want to figure out if you are getting better or getting worse. So every day you make 10 throws and measure the distance between the bullseye and where your dart hit. You make a list of those numbers list1. U...
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Understanding the ngRepeat 'track by' expression

...ta source has duplicate identifiers e.g.: $scope.dataSource: [{id:1,name:'one'}, {id:1,name:'one too'}, {id:2,name:'two'}] You can't iterate this collection while using 'id' as identifier (duplicate id:1). WON'T WORK: <element ng-repeat="item.id as item.name for item in dataSource"> // s...
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Using Caps Lock as Esc in Mac OS X

...e Caps Lock" and enter "53" as the code for the escape key: And you're done! If it doesn't work immediately, you may need to restart your machine. Impressed? Want More Control? You may also want to check out KeyRemap4MacBook which is actually the flagship keyboard remapping tool from pqrs.org -...
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How can I extract embedded fonts from a PDF as valid font files?

...hey include just the subset of glyphs used in the document. Using pdftops One of the most frequently used methods to do this on *nix systems consists of the following steps: Convert the PDF to PostScript, for example by using XPDF's pdftops (on Windows: pdftops.exe helper program. Now fonts will b...
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delete word after or around cursor in VIM

... Bonus bonus points for using <C-o>. It executes one command in Normal mode and jumps straight back into Insert, so something like imap <C-d> <C-o>diw works too. It also doesn't create an undo point, which <Esc> pretty much always does. ...
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Pretty Printing a pandas dataframe

... To suppress the left index column one may want to also add showindex=False – Arthur Nov 9 '17 at 15:56 add a comment ...
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Why should weights of Neural Networks be initialized to random numbers? [closed]

...ow imagine that you initialize all weights to the same value (e.g. zero or one). In this case, each hidden unit will get exactly the same signal. E.g. if all weights are initialized to 1, each unit gets signal equal to sum of inputs (and outputs sigmoid(sum(inputs))). If all weights are zeros, which...
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CSS: Animation vs. Transition

... to do them, just not when to do them. A transition is an animation, just one that is performed between two distinct states - i.e. a start state and an end state. Like a drawer menu, the start state could be open and the end state could be closed, or vice versa. If you want to perform something th...
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compareTo() vs. equals()

... it necessary to override both these methods if you decide to override any one of them. – Ashwin Jun 7 '12 at 7:35 3 ...
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Annotating text on individual facet in ggplot2

...lot2/evsbeBT48M4), and was resolved by using annotate("text",...). Does anyone else get blurry labels with geom_text()? – Margaret Feb 6 '13 at 21:54 6 ...