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How to assign from a function which returns more than one value?

...ge. It does not require a special operator but does require that the left hand side be written using list[...] like this: library(gsubfn) # need 0.7-0 or later list[a, b] <- functionReturningTwoValues() If you only need the first or second component these all work too: list[a] <- function...
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How is the undo tree used in Vim?

... See also :h undo-redo, which lists all the commands and their usage. There are two ways to traverse the undo tree. One is to go "back in time". g+ and g- will traverse all of the nodes in the tree in chronological or reverse-chronological order (which can be a bit co...
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Math - mapping numbers

How do I map numbers, linearly, between a and b to go between c and d. 9 Answers 9 ...
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What's the point of const pointers?

...m not 100% sure about a const that you get passed in as a func var. thanks and sorry if this is off topic – Tomer Feb 4 '18 at 22:15 add a comment  |  ...
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MacOSX homebrew mysql root password

For some reason MySQL stopped giving access for root. Uninstalled and reinstalled with Homebrew. Fresh install, fresh tables but when I enter ...
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How to fix “containing working copy admin area is missing” in SVN?

...aining-working.html Check-out the folder "blabla" to a different location and then copy its .svn folder back into the original "blabla". share | improve this answer | follow...
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Generate all permutations of a list without adjacent equal elements

... return output Proof of correctness For two item types, with counts k1 and k2, the optimal solution has k2 - k1 - 1 defects if k1 < k2, 0 defects if k1 = k2, and k1 - k2 - 1 defects if k1 > k2. The = case is obvious. The others are symmetric; each instance of the minority element prevents ...
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Why are Python's 'private' methods not actually private?

Python gives us the ability to create 'private' methods and variables within a class by prepending double underscores to the name, like this: __myPrivateMethod() . How, then, can one explain this ...
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CSS fixed width in a span

...lt;span></span> The lazy dog.</li> <li><span>AND</span> The lazy cat.</li> <li><span>OR</span> The active goldfish.</li> </ul> Like Eoin said, you need to put a non-breaking space into your "empty" spans, but you can'...
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Difference between margin and padding?

What exactly is the difference between margin and padding in CSS? It really doesn't seem to serve much purpose. Could you give me an example of where the differences lie (and why it is important to know the difference)? ...