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Append values to a set in Python
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420
keep.update(yoursequenceofvalues)
e.g, keep.update(xrange(11)) for your specific example. O...
What is the difference between loose coupling and tight coupling in the object oriented paradigm?
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348
Tight coupling is when a group of classes are highly dependent on one another.
This scenario ...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
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14 Answers
14
Active
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Traits vs. interfaces
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240
An interface defines a set of methods that the implementing class must implement.
When a trait...
error: command 'gcc' failed with exit status 1 while installing eventlet
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374
Your install is failing because you don't have the python development headers installed. You can...
When to use ref and when it is not necessary in C#
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– Outlaw Programmer
Mar 11 '09 at 19:44
23
@Outlaw: Yes, but the short answer itself, the directiv...
Removing viewcontrollers from navigation stack
...vigation stack, with say 5 UIViewControllers. I want to remove the 3rd and 4th viewcontrollers in the stack on the click of a button in the 5th viewcontroller. Is it possible to do this? If so how?
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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...