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What does enumerate() mean?
...ieving that; one using itertools.count() to do the counting, the other manually counting in a generator function:
from itertools import count
def enumerate(it, start=0):
# return an iterator that adds a counter to each element of it
return zip(count(start), it)
and
def enumerate(it, sta...
How to pick just one item from a generator?
... would use the second syntax given in my answer, next(g). This will internally call g.__next__(), but you don't really have to worry about that, just as you usually don't care that len(a) internally calls a.__len__().
– Sven Marnach
Apr 10 '14 at 10:31
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How to Apply Gradient to background view of iOS Swift App
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I'm getting this error fatal error: array element cannot be bridged to Objective-C, when assigning to .colors property. What may be wrong with this?
– Tricertops
Jul 20 '14 at 19:10
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Parse usable Street Address, City, State, Zip from a string [closed]
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I've done a lot of work on this kind of parsing. Because there are errors you won't get 100% accuracy, but there are a few things you can do to get most of the way there, and then do a visual BS test. Here's the general way to go about it. It's not code, because it's pretty academic to write...
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
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In the view controller that is presented modally, just override disablesAutomaticKeyboardDismissal to return NO:
- (BOOL)disablesAutomaticKeyboardDismissal {
return NO;
}
share
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How to watch for array changes?
... eventName).toLowerCase();
if (!(eventName in _handlers)) throw new Error("Invalid event name.");
if (typeof handler !== "function") throw new Error("Invalid handler.");
_handlers[eventName].push(handler);
}
});
Object.defineProperty(_self, "removeEventListener", {
...
Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
I keep getting an error that says
10 Answers
10
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In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in
...require.resolve('@scope/module/package.json') it throws a MODULE_NOT_FOUND error. I'm in Node 14.4.0, and the module I am trying to resolve has "type": "module" in its package.json with an exports field that does not include package.json. Not sure if that has anything to do with it...
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How to check if all of the following items are in a list?
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Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me.
Use the equivalent and more clearly-named method, ...
Entity Framework rollback and remove bad migration
...the code.Update Database then added the second migration the same way - no errors - back to normal
– Traci
Jul 31 '15 at 3:25
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