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source command not found in sh shell
...unning RHEL and Ubuntu servers and I always have small issues such as this one with Ubuntu. I really like RHEL and RHEL like linux.
– radtek
Mar 14 '14 at 19:05
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How to remove first 10 characters from a string?
... It does not, "" creates a new string, while string.Empty references one. It doesn't really matter in terms of performance (I mean it's one empty string so yeah...) but just wanted to point that out :)
– Zer0
Sep 11 at 6:40
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How do I get the row count of a pandas DataFrame?
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There's one good reason why to use shape in interactive work, instead of len(df): Trying out different filtering, I often need to know how many items remain. With shape I can see that just by adding .shape after my filtering. With le...
What is the difference between pull and clone in git?
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They're basically the same, except clone will setup additional remote tracking branches, not just master. Check out the man page:
Clones a repository into a newly created directory, creates remote-tracking branches for each branch in the cloned repository (v...
What's the easiest way to install a missing Perl module?
...ou specify the distribution that you want to install, which is a lot more honest. For instance, if you use cpan to install LWP, LWP::Simple or LWP::UserAgent it will install the distribution libwww-perl for you. The majority of distributions contain a single module with an equivalent name, but there...
How to use filter, map, and reduce in Python 3
...ase for a context manager that will re-map the names of these functions to ones which return a list and introduce reduce in the global namespace.
A quick implementation might look like this:
from contextlib import contextmanager
@contextmanager
def noiters(*funcs):
if not funcs:
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Best way to track onchange as-you-type in input type=“text”?
...rs old. I wish there was a "deprecate" button for old answers such as this one, and the community could choose the better one.
– Crescent Fresh
Apr 3 '17 at 14:48
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Why does 2 == [2] in JavaScript?
...f() for arrays returns the array itself and the string-representation of a one-element array is the string representation of the single element.
This also explains the third example as [[[[[[[2]]]]]]].toString() is still just the string 2.
As you can see, there's quite a lot of behind-the-scene ma...
How to check if AlarmManager already has an alarm set?
...s not** already exists, then simply return null (instead of creating a new one)
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the source file is different from when the module was built
... the same solution so they were using Project to Project references, so as one changed the others should have been updated. However it was not the case, I tried to build, rebuild, close VS2010, pulled a new copy from our source control. None of this worked, what I finally ended up trying was right...