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How to printf “unsigned long” in C?
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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...
Maximum Year in Expiry Date of Credit Card
...ire. In fact they have been issuing cards for longer and longer periods of time. If you're trying to determine how far out into the future you should accommodate expiration dates for, err on the safe side and give your customers many years to choose from. That way you future proof your application.
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.gitignore exclude folder but include specific subfolder
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Ah, that explains it. No matter how many times I've read the gitignore documentation, I never understood when the reverted patterns don't work. With your explanation, it's now clear. The gitignore documentation needs a "recipe" section to explain how to do this.
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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...
MySQL connection not working: 2002 No such file or directory
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you just saved me some precious time.
– uchamp
Feb 25 '13 at 2:02
2
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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...
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
...
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...
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...