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Git workflow and rebase vs merge questions
...stead of merge, you will have to perform conflict resolution up to as many times as you have commits to rebase, for the same conflict!
Real scenario
I branch off of master to refactor a complicated method in a branch. My refactoring work is comprised of 15 commits total as I work to refactor it an...
Python: changing value in a tuple
... concatenation is actually faster!
In [3]: d = tuple(range(10))
In [4]: %timeit replace_at_index1(d, 5, 99)
1000000 loops, best of 3: 872 ns per loop
In [5]: %timeit replace_at_index2(d, 5, 99)
1000000 loops, best of 3: 642 ns per loop
Yet if we look at longer tuples, list conversion is the way...
How to printf “unsigned long” in C?
...
Oops, %lu worked this time. Thanks. Something else must have happened before and it didn't work.
– bodacydo
Jul 9 '10 at 4:52
1...
Understanding generators in Python
...e'
... yield 'one'
... yield 'at'
... yield 'a'
... yield 'time'
>>> myGeneratorInstance = myGenerator()
>>> next(myGeneratorInstance)
These
>>> next(myGeneratorInstance)
words
and so on. The (or one) benefit of generators is that because they deal with...
Get list of data-* attributes using javascript / jQuery
...cts,
arrays, and null). The data-
attributes are pulled in the first
time the data property is accessed and
then are no longer accessed or mutated
(all data values are then stored
internally in jQuery).
The jQuery.fn.data function will return all of the data- attribute inside an object...
Can I get a list of files marked --assume-unchanged?
... 'assume-unchanged'.
git ls-files -v|grep "^h"
I've used this lots of times in different environments and it works perfectly.
share
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follow
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Django REST Framework: adding additional field to ModelSerializer
...ializer.py
class FooSerializer(serializers.ModelSerializer):
retrieved_time = serializers.SerializerMethodField()
@classmethod
def get_retrieved_time(self, object):
"""getter method to add field retrieved_time"""
return None
class Meta:
model = Foo
...
Database sharding vs partitioning
...tition instead of 104 partitions. This query could potentially execute 100 times faster simply because of partition pruning.
Partitioning Strategies
Range
Hash
List
You can read their text and visualize their images which explain everything pretty well.
And lastly, it is important to understan...
jQueryUI Tooltips are competing with Twitter Bootstrap
... I would "clear cache and hard refresh" the page and the tooltip would sometimes work and then sometimes not (no error in console.log). Refreshing 30 times produced working results 7 times. I then went and downloaded a customized jQuery UI package and now when I "clear cache and hard refresh" 30 tim...
List comprehension: Returning two (or more) items for each item
...rable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f = lambda x: x + 2
g = lambda x: x ** 2
def fg(x):
yield f(x)
yield g(x)
print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in range(3)))',
setup='gc.enable(); from it...