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Which is faster in Python: x**.5 or math.sqrt(x)?
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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How to check a radio button with jQuery?
... call click() or change() on the radio button afterwards. See comments for more info.
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Why do I need to do `--set-upstream` all the time?
...o get wrong! Thanks to VonC for pointing out that git 1.8.0 introduces the more obvious git branch --set-upstream-to, which can be used as follows, if you're on the branch my_branch:
git branch --set-upstream-to origin/my_branch
... or with the short option:
git branch -u origin/my_branch
This...
What is the purpose of Flask's context stacks?
...nt" requests or "current" applications, it is possible that you could have more.
The example given is where you would have your request return the results of an "internal redirect". Let's say a user requests A, but you want to return to the user B. In most cases, you issue a redirect to the user, a...
Convert two lists into a dictionary
...eated. I would expect all of them to be less performant, and certainly not more-so.
Performance review:
In 64 bit Python 3.8.2 provided by Nix, on Ubuntu 16.04, ordered from fastest to slowest:
>>> min(timeit.repeat(lambda: dict(zip(keys, values))))
0.6695233230129816
>>> min(ti...
Rails: How can I set default values in ActiveRecord?
...rue if self.bool_field.nil?
See Paul Russell's comment on this answer for more details
If you're only selecting a subset of columns for a model (ie; using select in a query like Person.select(:firstname, :lastname).all) you will get a MissingAttributeError if your init method accesses a column that...
Centering a div block without the width
...d tabular.
[PS. never use ‘pt’ for font sizes on the web. ‘px’ is more reliable if you really need fixed size text, otherwise relative units like ‘%’ are better. And “clear: ccc both” — a typo?]
.center{
text-align:center;
}
.center > div{ /* N.B. child combinators do...
How do I specify a pointer to an overloaded function?
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Using bootstrap with bower
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Yes it kinda suck. But what's sucking more is to re-build bootstrap in your own build process since they don't version builds in their repo.
– xavier.seignard
Apr 30 '13 at 8:34
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