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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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Is there a JavaScript function that can pad a string to get to a determined length?
...e relevant. The curse of recursion only applies when a programmer doesn't know when its appropriate.
– hypno7oad
Jul 31 '13 at 4:36
12
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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 ...
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...
grep exclude multiple strings
...ave a long list of things to exclude.
vi /root/scripts/exclude_list.txt
Now add what you would like to exclude
Nopaging the limit is
keyword to remove is
Now use grep to remove lines from your file log file and view information not excluded.
grep -v -f /root/scripts/exclude_list.txt /var/log/...
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:
...
What's a good (free) visual merge tool for Git? (on windows) [closed]
...
On Windows, a good 3-way diff/merge tool remains kdiff3 (WinMerge, for now, is still 2-way based, pending WinMerge3)
See "How do you merge in GIT on Windows?" and this config.
Update 7 years later (Aug. 2018): Artur Kędzior mentions in the comments:
If you guys happen to use Visual Studio ...
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...
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...
How to check if a string contains a substring in Bash
...ash, and, of course Bash:
stringContain() { [ -z "${2##*$1*}" ]; }
Then now:
$ if stringContain 'o "M3' 'echo "My String"';then echo yes;else echo no;fi
no
$ if stringContain 'o "M' 'echo "My String"';then echo yes;else echo no;fi
yes
... Or if the submitted string could be empty, as pointed o...