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mongodb find by multiple array items
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answered Nov 16 '11 at 1:32
user24359user24359
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How to list empty folders in linux
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edited Sep 23 '15 at 11:06
kenorb
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Specifying colClasses in the read.csv
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edited Nov 18 '11 at 16:55
cwallenpoole
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SQLite - replace part of a string
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AndrewAndrew
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Select rows of a matrix that meet a condition
...operation on a matrix, you can define a column by name:
m[m[, "three"] == 11,]
Or by number:
m[m[,3] == 11,]
Note that if only one row matches, the result is an integer vector, not a matrix.
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Ruby on Rails: getting the max value from a DB column
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answered Feb 11 '11 at 21:07
Dylan MarkowDylan Markow
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C# list.Orderby descending
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edited Mar 11 '14 at 16:41
zeroed
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JavaScript exponents
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Salvador DaliSalvador Dali
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Debugging automatic properties
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answered Jul 15 '11 at 22:34
Matt SmithMatt Smith
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Color in git-log
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Elad ShaharElad Shahar
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