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Take the content of a list and append it to another list
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You probably want
list2.extend(list1)
instead of
list2.append(list1)
Here's the difference:
>>> a = range(5)
>>> b = range(3)
>>> c = range(2)
>>> b.append(a)
>>> b
[0, 1, 2, [0, 1, 2, 3, 4]]
>...
How to pretty print nested dictionaries?
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21 Answers
21
Active
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How to create NS_OPTIONS-style bitmask enumerations in Swift?
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261
Swift 3.0
Almost identical to Swift 2.0. OptionSetType was renamed to OptionSet and enums are...
How to get the instance id from within an ec2 instance?
How can I find out the instance id of an ec2 instance from within the ec2 instance?
32 Answers
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Jasmine.js comparing arrays
... {
it('passes if arrays are equal', function() {
var arr = [1, 2, 3];
expect(arr).toEqual([1, 2, 3]);
});
});
Just for information:
toBe() versus toEqual(): toEqual() checks equivalence. toBe(), on the
other hand, makes sure that they're the exact same object.
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Is there “0b” or something similar to represent a binary number in Javascript
...xadecimal numbers in Javascript. For example, 0xFF stands for the number 255.
10 Answers
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Trying to SSH into an Amazon Ec2 instance - permission error
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29 Answers
29
Active
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Difference between signed / unsigned char [duplicate]
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answered Dec 2 '10 at 16:25
AnTAnT
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What is Scala's yield?
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206
It is used in sequence comprehensions (like Python's list-comprehensions and generators, where...
Get the first item from an iterable that matches a condition
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In Python 2.6 or newer:
If you want StopIteration to be raised if no matching element is found:
next(x for x in the_iterable if x > 3)
If you want default_value (e.g. None) to be returned instead:
next((x for x in the_iterable ...