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Cost of len() function
...ength of the element - very fast) on every type you've mentioned, plus set and others such as array.array.
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Python: Append item to list N times
...'foo', 'foo', 'foo', 'foo', ...]
For values that are stored by reference and you may wish to modify later (like sub-lists, or dicts):
l = [{} for x in range(100)]
(The reason why the first method is only a good idea for constant values, like ints or strings, is because only a shallow copy is do...
Conversion from Long to Double in Java
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And if its a literal just 15552451d
– Jon Freedman
Sep 16 '10 at 8:16
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Calculating arithmetic mean (one type of average) in Python
Is there a built-in or standard library method in Python to calculate the arithmetic mean (one type of average) of a list of numbers?
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Build an ASCII chart of the most commonly used words in a given text [closed]
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LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation.
– Joe Z
Jul 4 '10 at 6:23
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Print Current Mercurial Revision Hash?
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No prob. hg help revisions and hg help revsets has some crazy powerful shortcuts like that.
– Ry4an Brase
Jun 13 '12 at 20:47
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What is the use of Enumerable.Zip extension method in Linq?
...ative. B) Write a method to yield return each element of the shorter list, and then continue yield returning default indefinitely thereafter. (Option B requires you to know in advance which list is shorter.)
– jpaugh
Jul 7 '17 at 21:41
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using facebook sdk in Android studio
I'm following Facebook SDK for Android using Android Studio . When I run my application I'm getting the below mentioned warning.
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Is it possible to have multiple statements in a python lambda expression?
...s a version of sort that creates a new list, rather than sorting in-place, and can be chained. Note that this is probably what you should be using - it's bad practice for your map to have side effects on the original list.
Q. How should I get the second lowest item from each list in a sequence of ...
Javascript : natural sort of alphanumerical strings
I'm looking for the easiest way to sort an array that consists of numbers and text, and a combination of these.
7 Answers
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