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How to format a floating number to fixed width in Python
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For Pythons prior to 2.7: ("%0.4f" % x).rjust(10)
– Steven Rumbalski
Jan 16 '12 at 21:26
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Finding sum of elements in Swift array
... +) }
}
let numbers = [1,2,3]
numbers.sum() // 6
let doubles = [1.5, 2.7, 3.0]
doubles.sum() // 7.2
To sum a property of a custom object we can extend Sequence to take a keypath with a generic value that conforms to AdditiveArithmetic as parameter:
extension Sequence {
func sum<T: ...
ImportError: No module named matplotlib.pyplot
...uestion states: The environment is: Mac OS X 10.8.4 64bit built-in python 2.7
– Lanting
Aug 11 '17 at 8:14
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Removing numbers from string [closed]
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In Python 2.7 and above, you don't need the brackets around the list comprehension. You can leave them out and it becomes a generator expression.
– Kirk Strauser
Oct 12 '12 at 3:38
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jQuery get values of checked checkboxes into array
...r the documentation:
As the return value is a jQuery object, which contains an array, it's very common to call .get() on the result to work with a basic array.
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How to convert a scala.List to a java.util.List?
... first have to convert the Scala List into a mutable collection.
On Scala 2.7:
import scala.collection.jcl.Conversions.unconvertList
import scala.collection.jcl.ArrayList
unconvertList(new ArrayList ++ List(1,2,3))
From Scala 2.8 onwards:
import scala.collection.JavaConversions._
import scala.c...
ImportError: No module named site on Windows
...ime. I downloaded the following installer from the Python website:
Python 2.7.1 Windows Installer (Windows binary -- does not include source) . I then ran the installer, selected 'All Users' and all was fine. I installed Python into the default location:
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How to filter a dictionary according to an arbitrary condition function?
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Nowadays, in Python 2.7 and up, you can use a dict comprehension:
{k: v for k, v in points.iteritems() if v[0] < 5 and v[1] < 5}
And in Python 3:
{k: v for k, v in points.items() if v[0] < 5 and v[1] < 5}
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How to call Base Class's __init__ method from the child class? [duplicate]
...the answer you're looking for? Browse other questions tagged python python-2.7 inheritance constructor or ask your own question.
What's the best Django search app? [closed]
... the latest version of haystack (2.1) is not working at all with my python 2.7 version of django 1.4.
– Chris Hawkes
Aug 18 '13 at 2:13
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