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Dynamically set local variable [duplicate]
...Function locals can be optimised for speed because the compiler (usually) knows all the names in advance, so there isn't a dictionary until you call locals().
In the C implementation of Python locals() (called from inside a function) creates an ordinary dictionary initialised from the current value...
Express-js can't GET my static files, why?
...sset path prefix like: http://localhost:3000/asset/css/bootstrap.min.css.
Now in the views I can simply include CSS and JS like below:
<link href="/asset/css/bootstrap.min.css" rel="stylesheet">
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UILabel sizeToFit doesn't work with autolayout ios6
...If we run the app in the simulator, sure enough, we see the same thing:
Now, let's select the UILabel in Interface Builder, and take a look at the default settings in the Size inspector:
Note the highlighted constraint above. That is the Content Hugging Priority. As Erica Sadun describes it in...
Email validation using jQuery
...n this regex may need modifying .systems and .poker etc are all valid TLDs now but would fail the regex check
– Liath
Sep 5 '14 at 7:35
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What does |= (ior) do in Python?
...search |= so I'm having trouble finding relevant documentation. Anybody know?
8 Answers
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How to set environment variables in Python?
...oder It's true for all processes on Unix-like operating systems. I don't know about the other operating system. Note that shell variables are not stored in the environment unless you export them.
– Sven Marnach
Jan 16 '17 at 6:56
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Using property() on classmethods
... """access the class's property"""
return type(self).foo
And now we see both the instance
>>> FooClassProperty().foo
<class '__main__.FooClassProperty'>
and the class
>>> FooClassProperty.foo
<class '__main__.FooClassProperty'>
have access to the class p...
What is the difference between ManualResetEvent and AutoResetEvent in .NET?
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Could you up-vote it now ? No one will practically do the second code block here, it's a matter of understanding the difference.
– vezenkov
Oct 13 '15 at 8:06
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Python “raise from” usage
...en they'd have to use raise NewException from databaseexception.__cause__, now using a different exception from the DatabaseException that they just caught.
– Martijn Pieters♦
Jul 16 '14 at 8:03
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Cast Int to enum in Java
...lain why you regard MyEnum.values()[x] as an expensive operation. I don't know how it works in details, but to me it seems like accessing an element in an Array would be no big deal, aka constant time. If the array has to be build it takes O(n) time, which is the same runnning time as your solution....