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What's the difference between lists enclosed by square brackets and parentheses in Python?
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answered Jan 17 '12 at 19:04
jterracejterrace
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How can you hide database output in Rails console?
...ron B. Russell
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Searching for UUIDs in text with regex
...relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits.
16 Answers
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Android: What's the difference between Activity.runOnUiThread and View.post?
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edited Jun 20 at 9:12
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answered May 11 '12 at 20:31
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How to use RSpec's should_raise with any kind of exception?
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answered Nov 12 '09 at 15:04
AvdiAvdi
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How to use find command to find all files with extensions from list?
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answered Apr 12 '10 at 14:38
Paused until further notice.Paused until further notice.
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Why can I initialize a List like an array in C#?
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answered Jan 13 '12 at 16:37
James Michael HareJames Michael Hare
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Using helpers in model: how do I include helper dependencies?
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edited May 23 '17 at 12:09
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answered Jan 28 '09 at 23:39
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Does a C# app track how long its been running?
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answered Jul 3 '12 at 19:55
LeeLee
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Finding the average of a list
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On Python 3.4+ you can use statistics.mean()
l = [15, 18, 2, 36, 12, 78, 5, 6, 9]
import statistics
statistics.mean(l) # 20.11111111111111
On older versions of Python you can do
sum(l) / len(l)
On Python 2 you need to convert len to a float to get float division
sum(l) / float(len(...