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How to fallback to local stylesheet (not script) if CDN fails
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good solution, one issue it does not address is if the CDN is way too slow to load... maybe some sort of timeout?
– GeorgeU
Sep 22 '11 at 15:04
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SQLite UPSERT / UPDATE OR INSERT
...o upgrade, you are strongly encouraged to do so as unlike my solution, the one posted here achieves the desired behavior in a single statement. Plus you get all the other features, improvements and bug fixes that usually come with a more recent release.
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Renew Provisioning Profile
Just got a notice that the provisioning profile for one of my apps is about to expire. Is there some way I can renew the existing one or must I recreate a new one?
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My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...rn 0;
}
int main() {
return output_result(eighty_four);
}
As I mentioned, C allows omitting argument names in header files, therefore the output_result would look like this in header file.
int output_result(int());
One argument in constructor
Don't you recognize that one? Well, let me rem...
How to detect a Christmas Tree? [closed]
...with many of the other answers, I assumed that the Christmas tree would be one of the brighter objects in the scene, so the first threshold is just a simple monochrome brightness test; any pixels with values above 220 on a 0-255 scale (where black is 0 and white is 255) are saved to a binary black-a...
postgresql COUNT(DISTINCT …) very slow
...nd this thread on www.postgresql.org which discusses the same thing: link. One of the replies (by Jeff Janes) says that COUNT(DISTINCT()) sorts the table to do its work instead of using hash.
– Ankur
Dec 9 '14 at 10:58
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How do I use WPF bindings with RelativeSource?
...ource={RelativeSource TemplatedParent}}
or, shorter (this only works for OneWay bindings):
{TemplateBinding Path=PathToProperty}
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Shuffling a list of objects
...se your results will vary
Note that shuffle works in place, and returns None.
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Usage of __slots__?
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In Python, what is the purpose of __slots__ and what are the cases one should avoid this?
TLDR:
The special attribute __slots__ allows you to explicitly state which instance attributes you expect your object instances to have, with the expected results:
faster attribute access.
space savin...
Git add and commit in one command
...s ('), as otherwise it will fail for shell expansion on Linux. On Windows, one should use double-quotes (") instead (pointed out in the comments, did not verify).
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