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What's the (hidden) cost of Scala's lazy val?

...| edited Feb 20 '14 at 20:33 vergenzt 7,38333 gold badges2424 silver badges4141 bronze badges answered J...
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Permutations in JavaScript?

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Undefined method 'task' using Rake 0.9.0

... | edited Jul 31 '11 at 13:34 Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges ...
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how to draw smooth curve through N points using javascript HTML5 canvas?

... 132 The problem with joining subsequent sample points together with disjoint "curveTo" type functio...
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Numpy - add row to array

... If it is a 2D-array, how can you then compare its row to a number: i < 3? EDIT after OP's comment: A = array([[0, 1, 2], [0, 2, 0]]) X = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]]) add to A all rows from X where the first element < 3: import numpy as np A = np.vstack((A, X[X[:,0]...
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How can I sort a dictionary by key?

What would be a nice way to go from {2:3, 1:89, 4:5, 3:0} to {1:89, 2:3, 3:0, 4:5} ? I checked some posts but they all use the "sorted" operator that returns tuples. ...
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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2

I'm trying learn Python (3 to be more specific) and I'm getting this error: 3 Answers ...
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How to round to 2 decimals with Python?

... answered Dec 8 '13 at 18:20 roliszrolisz 5,41011 gold badge1515 silver badges1414 bronze badges ...
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Divide a number by 3 without using *, /, +, -, % operators

How would you divide a number by 3 without using * , / , + , - , % , operators? 48 Answers ...
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How to check if hex color is “too black”?

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