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Is recursion ever faster than looping?
...is expressed using tail calls. Though that is sometimes slightly offset by extra complication in the tail version like extra parameters.
– Kaz
Jan 14 at 16:09
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Why do we need argc while there is always a null at the end of argv?
...arynkevitch Time of merely stepping through an array of pointer values one extra time until NULL, to get the count, is miniscule compared to time already spent generating the pointer array, and even more irrelevant compared to actually using each argument value in the program. And if just checking i...
Django ModelForm: What is save(commit=False) used for?
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Saving with commit=False gets you a model object, then you can add your extra data and save it.
This is a good example of that situation.
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How to make shallow git submodules?
...itmodules submodule.<name>.shallow true
See "Git submodule without extra weight" for more.
Git 2.13 (Q2 2017) do add in commit 8d3047c (19 Apr 2017) by Sebastian Schuberth (sschuberth).
(Merged by Sebastian Schuberth -- sschuberth -- in commit 8d3047c, 20 Apr 2017)
a clone of this s...
Inherit docstrings in Python class inheritance
...init__ definition in Y but this seems to mess with the formatting, causing extra added spaces.
– mgilbert
Oct 15 '17 at 9:53
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Git - working on wrong branch - how to copy changes to existing topic branch
...e merge. Otherwise the changes in master will be included in the merge. An extra step 3.5 above. See further about rebase here:
https://git-scm.com/book/en/v2/Git-Branching-Rebasing
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Python list iterator behavior and next(iterator)
...; for i in a:
... print(i)
... _ = next(a)
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0
2
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or print extra information to differentiate the print() output from the interactive interpreter echo:
>>> a = iter(list(range(10)))
>>> for i in a:
... print('Printing: {}'.format(i))
... next(a)
...
Printing...
What are the differences between Pandas and NumPy+SciPy in Python? [closed]
... say that pandas is an alternative to Numpy and/or Scipy. Rather, it's an extra tool that provides a more streamlined way of working with numerical and tabular data in Python. You can use pandas data structures but freely draw on Numpy and Scipy functions to manipulate them.
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Changing the size of a column referenced by a schema-bound view in SQL Server
... You can't bypass it, that's its whole purpose. Somebody went to extra length to add the schemabindig to prevent table changes. This is not some accident, looks like the person know what was doing. Are you sure you want to change the table?
– Remus Rusanu
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Why are my basic Heroku apps taking two seconds to load?
... your app has been idling for a long time, it takes time to reload.
Add 1 extra dyno to keep your app from falling asleep, if that reload time is important.
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