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Why are Python lambdas useful? [closed]
...se elements of the original list that are multiples of 3. This is shorter (and, one could argue, clearer) than
def filterfunc(x):
return x % 3 == 0
mult3 = filter(filterfunc, [1, 2, 3, 4, 5, 6, 7, 8, 9])
Of course, in this particular case, you could do the same thing as a list comprehension:
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CSS I want a div to be on top of everything
...ered Sep 14 '11 at 19:22
Skylar AndersonSkylar Anderson
5,11311 gold badge2222 silver badges3434 bronze badges
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How to get the latest tag name in current branch in Git?
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git describe --tags and compare com last tag in github release page
– Adriano Resende
Aug 11 '16 at 21:23
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How to change int into int64?
...64 := int64(i)
fmt.Printf("%T %T", i, i64) // to print the data types of i and i64
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C# How can I check if a URL exists/is valid?
... looks up a stock symbol on Yahoo! Finance, downloads the historical data, and then plots the price history for the specified ticker symbol.
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How to stop /#/ in browser with react-router?
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For the versions 1, 2 and 3 of react-router, the correct way to set the route to URL mapping scheme is by passing a history implementation into the history parameter of <Router>. From the histories documentation:
In a nutshell, a history...
django - query filter on manytomany is empty
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And the inverse is possible with TestModel.objects.exclude(manytomany=None)
– Alex L
Oct 2 '13 at 9:30
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Calling static generic methods
...nt of type Class<E> (so it would be createFoo(Class<E> type)), and call it with createFoo(String.class)
– Gavin S. Yancey
Apr 16 '15 at 2:24
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Rails how to run rake task
... answered Apr 12 '11 at 21:24
Andrew MarshallAndrew Marshall
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Convert numpy array to tuple
...turn tuple(totuple(i) for i in a)
except TypeError:
return a
And an example:
>>> array = numpy.array(((2,2),(2,-2)))
>>> totuple(array)
((2, 2), (2, -2))
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