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Extract a dplyr tbl column as a vector

...07 2.93 3.00 3.23 4.08 4.93 4.22 3.70 2.76 3.15 3.73 3.08 4.08 4.43 [28] 3.77 4.22 3.62 3.54 4.11 A nice way to do this in v0.2 of dplyr: iris2 %>% select(Species) %>% collect %>% .[[5]] Or if you prefer: iris2 %>% select(Species) %>% collect %>% .[["Species"]] Or if your...
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Attach parameter to button.addTarget action in Swift

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Downloading images with node.js [closed]

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How to check if a file exists in the Documents directory in Swift?

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How can I reorder my divs using only CSS?

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Ruby - test for array

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Can I obtain method parameter name using Java reflection?

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How to take the first N items from a generator or list in Python? [duplicate]

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How to get index of object by its property in JavaScript?

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How do I URL encode a string

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