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“Uncaught TypeError: Illegal invocation” in Chrome
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When should I choose Vector in Scala?
...er-than-trivial sized sequences. See this documentation of the relative performance of Vector compared to the other collections. There are some downsides to going with Vector. Specifically:
Updates at the head are slower than List (though not by as much as you might think)
Another downside befo...
Using %f with strftime() in Python to get microseconds
...n Ritzel
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How to grant remote access to MySQL for a whole subnet?
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answered Jul 31 '12 at 15:01
p0lar_bearp0lar_bear
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Passing an Array as Arguments, not an Array, in PHP
...sition in the array, not their keys.
As per CarlosCarucce's comment, this form of argument unpacking is the fastest method by far in all cases. In some comparisons, it's over 5x faster than call_user_func_array.
Aside
Because I think this is really useful (though not directly related to the quest...
How do I disable a Pylint warning?
...use this is a strange exception and needs to be called out, basically as a form of documentation.
Like everything else in Python, you can act at different levels of indirection. My advice is to think about what belongs at what level so you don't end up with a too-lenient approach to Pylint.
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Pip freeze vs. pip list
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$ pip install -r requirements.txt
The packages need to be in a specific format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
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That is the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If ...
Surrogate vs. natural/business keys [closed]
...are NOT NULL UNIQUE) then you are likely in violation of Boyce-Codd Normal Form. BCNF is beyond 3NF, so not many people worry about it. There are situations, however, where being in BCNF is very helpful.
– Alan
Sep 17 '08 at 17:19
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python date of the previous month
...= first - datetime.timedelta(days=1)
print(lastMonth.strftime("%Y%m"))
201202 is printed.
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Using jQuery how to get click coordinates on the target element
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