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How can I get nth element from a list?

... Personally I can't comprehend how an at-index accessor that doesn't return a Maybe type is acceptable as idiomatic Haskell. [1,2,3]!!6 will give you a runtime error. It could very easily be avoided if !! had the type [a] -> Int ...
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Reactive Extensions bug on Windows Phone

...r is creating a connection to the compiler, and the debugger as well needs all vars to be strictly typed. The debugger is guessing correct, and the compiler is somehow taking ques from it. It doesnt really matter why the debugger fixes the problem, the root cause has been found. ...
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How to iterate a loop with index and element in Swift

... | edited Apr 18 '16 at 5:32 rounak 8,30922 gold badges3838 silver badges5757 bronze badges answered Feb...
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How do I autoindent in Netbeans?

In eclipse you can click Ctrl + I at any line, and it'll automatically indent the line or group of lines according to the indentation scheme you chose in the settings. ...
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Best way to assert for numpy.array equality?

..._equal is more reliable. update A few versions ago numpy obtained assert_allclose which is now my favorite since it allows us to specify both absolute and relative error and doesn't require decimal rounding as the closeness criterion. ...
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What are best practices for validating email addresses on iOS 2.0

... ; "]", or "\" Yes, that means +, ', etc are all legit. share | improve this answer | follow | ...
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How do I join two lists in Java?

... Gawd, that's a thing in Java 8? Technically you win I guess, but that's a heck of a long line :-) – Robert Atkins Sep 9 '13 at 20:03 4 ...
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sqlalchemy IS NOT NULL select

...ijn Pieters♦Martijn Pieters 839k212212 gold badges32203220 silver badges28102810 bronze badges ...
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Class constants in python

In python, I want a class to have some "constants" (practically, variables) which will be common in all subclasses. Is there a way to do it with friendly syntax? Right now I use: ...
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How to define @Value as optional

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...