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Append an object to a list in R in amortized constant time, O(1)?

... R> That works on vectors too, so do I get the bonus points? Edit (2015-Feb-01): This post is coming up on its fifth birthday. Some kind readers keep repeating any shortcomings with it, so by all means also see some of the comments below. One suggestion for list types: newlist <- list(ol...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

... May 3 '13 at 15:45 numbers1311407numbers1311407 30.8k88 gold badges8080 silver badges8787 bronze badges ...
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How to get last inserted row ID from WordPress database?

... answered Oct 16 '09 at 2:04 jsnfwlrjsnfwlr 2,91122 gold badges1818 silver badges2222 bronze badges ...
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Sorting data based on second column of a file

... Matt RyallMatt Ryall 8,02355 gold badges2121 silver badges1818 bronze badges ...
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GROUP_CONCAT ORDER BY

...| edited Feb 16 '16 at 9:20 answered Dec 25 '11 at 19:51 al...
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How to write multiple line property value using PropertiesConfiguration?

... edited Jan 23 '12 at 21:50 answered Jan 23 '12 at 21:03 Jo...
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Can you get DB username, pw, database name in Rails?

... answered Dec 30 '08 at 2:47 Robert GambleRobert Gamble 94.3k2121 gold badges139139 silver badges135135 bronze badges ...
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Apache: “AuthType not set!” 500 Error

...ver for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log: 6 Answ...
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Callback functions in C++

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C++0x lambda capture by value always const?

... answered May 14 '10 at 16:06 Edward StrangeEdward Strange 38.1k77 gold badges6161 silver badges120120 bronze badges ...