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Call int() function on every list element?
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364
This is what list comprehensions are for:
numbers = [ int(x) for x in numbers ]
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detach all packages while working in R
... design. Currently timeDate can break irreversibly, for example.
(edit: 9/24/20) for version 4.0.2
The following first loads packages to test and then gives a sequence to fully detach all packages except for package "base" and "utils". It is highly recommended that one does not detach those packages...
How to check if an NSDictionary or NSMutableDictionary contains a key?
... edited Feb 18 '13 at 22:56
s4y
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answered May 6 '10 at 21:30
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List comprehension in Ruby
...il?
self.collect(&block).compact
end
end
some_array = [1, 2, 3, 4, 5, 6]
new_array = some_array.comprehend {|x| x * 3 if x % 2 == 0}
puts new_array
Prints:
6
12
18
I would probably just do it the way you did though.
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Does VBA have Dictionary Structure?
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348
Yes.
Set a reference to MS Scripting runtime ('Microsoft Scripting Runtime'). As per @regjo's ...
C-like structures in Python
...use Raymond Hettinger's named tuple recipe if you need to support Python 2.4.
It's nice for your basic example, but also covers a bunch of edge cases you might run into later as well. Your fragment above would be written as:
from collections import namedtuple
MyStruct = namedtuple("MyStruct", "fie...
Explaining Apache ZooKeeper
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436
In a nutshell, ZooKeeper helps you build distributed applications.
How it works
You may desc...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
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143
The question is misguided. When creating a model field in Django, you are not defining a funct...
how to compare two elements in jquery [duplicate]
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147
You could compare DOM elements. Remember that jQuery selectors return arrays which will never b...
How to randomize two ArrayLists in the same fashion?
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edited Nov 4 '16 at 20:08
Nathan
5,59066 gold badges3939 silver badges6262 bronze badges
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