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How do I sort a dictionary by value?

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Understanding dict.copy() - shallow or deep?

...pied by value, but just creating a new reference. >>> a = {1: [1,2,3]} >>> b = a.copy() >>> a, b ({1: [1, 2, 3]}, {1: [1, 2, 3]}) >>> a[1].append(4) >>> a, b ({1: [1, 2, 3, 4]}, {1: [1, 2, 3, 4]}) In contrast, a deep copy will copy all contents by valu...
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Element-wise addition of 2 lists?

...t;>> from operator import add >>> list( map(add, list1, list2) ) [5, 7, 9] or zip with a list comprehension: >>> [sum(x) for x in zip(list1, list2)] [5, 7, 9] Timing comparisons: >>> list2 = [4, 5, 6]*10**5 >>> list1 = [1, 2, 3]*10**5 >>> %tim...
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What is the bower (and npm) version syntax?

... 342 In a nutshell, the syntax for Bower version numbers (and NPM's) is called SemVer, which is short...
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What is the most efficient way of finding all the factors of a number in Python?

...n to me an efficient way of finding all the factors of a number in Python (2.7)? 22 Answers ...
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Counting the number of elements with the values of x in a vector

... 521 You can just use table(): > a <- table(numbers) > a numbers 4 5 23 34 43 54 ...
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Deep copy of a dict in python

... 502 How about: import copy d = { ... } d2 = copy.deepcopy(d) Python 2 or 3: Python 3.2 (r32:8844...
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Hidden features of Eclipse [closed]

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How can I plot separate Pandas DataFrames as subplots?

... 264 You can manually create the subplots with matplotlib, and then plot the dataframes on a specif...
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Getting distance between two points based on latitude/longitude

... 215 Edit: Just as a note, if you just need a quick and easy way of finding the distance between tw...