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Element-wise addition of 2 lists?
...hension:
>>> [sum(x) for x in zip(list1, list2)]
[5, 7, 9]
Timing comparisons:
>>> list2 = [4, 5, 6]*10**5
>>> list1 = [1, 2, 3]*10**5
>>> %timeit from operator import add;map(add, list1, list2)
10 loops, best of 3: 44.6 ms per loop
>>> %timeit from i...
Can you connect to Amazon ElastiСache Redis outside of Amazon?
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No, you can't without resorting to 'tricks' such as a tunnel, which maybe OK for testing but will kill any real benefit of using a super-fast cache with the added latency/overhead.
...an Amazon ElastiCache Cluster, inside or outside a VPC, is never
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Is there any way to prevent input type=“number” getting negative values?
I want to get only positive values, is there any way to prevent it using only html
Please don't suggest validation method
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How to create separate AngularJS controller files?
I have all of my AngularJS controllers in one file, controllers.js. This file is structured as follows:
6 Answers
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Do I need to create indexes on foreign keys on Oracle?
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On some databases creating a foreign key constraint creates also an index... i.e. Jet Engine (MSAccess files, Firebird and MySQL)
– bubi
Apr 23 '15 at 15:19
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The provided URI scheme 'https' is invalid; expected 'http'. Parameter name: via
I am trying to make a WCF service over basicHttpBinding to be used over https. Here's my web.config:
13 Answers
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Filtering for empty or NULL names in a queryset
...ude(alias__isnull=True)
If you need to exclude null values and empty strings, the preferred way to do so is to chain together the conditions like so:
Name.objects.exclude(alias__isnull=True).exclude(alias__exact='')
Chaining these methods together basically checks each condition independently: ...
Injecting a mock into an AngularJS service
I have an AngularJS service written and I would like to unit test it.
7 Answers
7
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How do I detect “shift+enter” and generate a new line in Textarea?
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Better use simpler solution:
Tim's solution below is better I suggest using that:
https://stackoverflow.com/a/6015906/4031815
My solution
I think you can do something like this..
EDIT : Changed the code to work irrespective of the caret postion
First part of the code is to get the caret p...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
... elements that don't have a certain class. For example, given the following HTML:
10 Answers
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