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What's the scope of a variable initialized in an if statement?
...nnermost function, class, or module in which they're assigned. Control blocks like if and while blocks don't count, so a variable assigned inside an if is still scoped to a function, class, or module.
(Implicit functions defined by a generator expression or list/set/dict comprehension do count, as ...
Can I use a :before or :after pseudo-element on an input field?
...se the :after CSS pseudo-element on an input field, but it does not work. If I use it with a span , it works OK.
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IndentationError: unindent does not match any outer indentation level
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isherwood
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answered Jan 29 '09 at 16:37
Kevin TigheKevin...
How does Stack Overflow generate its SEO-friendly URLs?
...is a good complete regular expression or some other process that would take the title:
21 Answers
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Generate random numbers with a given (numerical) distribution
...istribution object to generate random numbers.
As pointed out by Eugene Pakhomov in the comments, you can also pass a p keyword parameter to numpy.random.choice(), e.g.
numpy.random.choice(numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2])
If you are using Python 3.6 or above, you can use r...
How to make a HTTP request using Ruby on Rails?
I would like to take information from another website. Therefore (maybe) I should make a request to that website (in my case a HTTP GET request) and receive the response.
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How to add text at the end of each line in Vim?
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Alan CurryAlan Curry
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Delete an element from a dictionary
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The del statement removes an element:
del d[key]
However, this mutates the existing dictionary so the contents of the dictionary changes for anybody else who has a reference to the same instance. To return a new dictionary, make a copy of the dictionary:
def removek...
unique object identifier in javascript
I need to do some experiment and I need to know some kind of unique identifier for objects in javascript, so I can see if they are the same. I don't want to use equality operators, I need something like the id() function in python.
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Meaning of tilde in Linux bash (not home directory)
First off, I know that ~/ is the home directory. CDing to ~ or ~/ takes me to the home directory.
8 Answers
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