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Can hash tables really be O(1)?
It seems to be common knowledge that hash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind:
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How can I mock requests and the response?
... # Same as above
class MyGreatClassTestCase(unittest.TestCase):
# Now we must patch 'my.great.package.requests.get'
@mock.patch('my.great.package.requests.get', side_effect=mocked_requests_get)
def test_fetch(self, mock_get):
# Same as above
if __name__ == '__main__':
u...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...ies. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate.
4 Ans...
Random color generator
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@Mohsen, FYI every now and then your code produces invalid 5 digit number
– rochal
Nov 5 '11 at 18:05
6
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CSS3 Rotate Animation
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2017: This is now very well supported and a preferred way to do non-infinite rotations. -webkit- prefix is no longer needed and can be safely removed. Browser support: caniuse.com/#search=transforms
– Alph.Dev
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How to name and retrieve a stash by name in git?
..._stash"
Where "my_stash" is the stash name.
Some more useful things to know: All the stashes are stored in a stack.
Type:
git stash list
This will list down all your stashes.
To apply a stash and remove it from the stash stack, type:
git stash pop stash@{n}
To apply a stash and keep it in ...
How to TryParse for Enum value?
...date
As mentioned by Lisa and Christian in the comments, Enum.TryParse is now available for C# in .NET4 and up.
MSDN Docs
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How to run JUnit test cases from the command line
...nix) and here (Java 8, Windows). Apparently wildcards in the classpath are now supported.
– David Tonhofer
Aug 8 '15 at 16:54
1
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How can I reverse a list in Python?
...,2,3,4]
a = a[::-1]
print(a)
>>> [4,3,2,1]
The job is done, and now you have a reversed list.
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How do I use Assert.Throws to assert the type of the exception?
...l fail. However if an exception of the correct type is thrown then you can now assert on the actual exception that you've saved in the variable.
By using this pattern you can assert on other things than the exception message, e.g. in the case of ArgumentException and derivatives, you can assert tha...