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How to check if a line is blank using regex

... answered Jun 10 '10 at 8:35 polygenelubricantspolygenelubricants 336k117117 gold badges535535 silver badges606606 bronze badges ...
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How to get unique values in an array

...); } } return arr; } var duplicates = [1, 3, 4, 2, 1, 2, 3, 8]; var uniques = duplicates.unique(); // result = [1,3,4,2,8] console.log(uniques); For more reliability, you can replace contains with MDN's indexOf shim and check if each element's indexOf is equal to -1: docume...
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How to select unique records by SQL

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Haskell error parse error on input `='

...a let to define things in it. Prelude> let f x = x * 2 Prelude> f 4 8 Starting from GHC 8.0.1, top-level bindings are supported in GHCi, so OP's code will work without change. GHCi, version 8.0.1.20161213: http://www.haskell.org/ghc/ :? for help Prelude> f x = x * 2 Prelude> f 4 8 ...
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Find which commit is currently checked out in Git

... 182 You have at least 5 different ways to view the commit you currently have checked out into your ...
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Is MATLAB OOP slow or am I doing something wrong?

... 0.02261 sec 0.23 usec per call nop1-5() functions: 0.02182 sec 0.22 usec per call nop() subfunction: 0.02244 sec 0.22 usec per call @()[] anonymous function: 0.08461 sec 0.85 usec per call nop(obj) method: 0.24664 sec 2.47 usec per call no...
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Create a variable name with “paste” in R?

... answered Apr 1 '11 at 8:54 lecodesportiflecodesportif 8,95288 gold badges3030 silver badges5252 bronze badges ...
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How to get multiple counts with one SQL query?

...01 Chad 6831010 silver badges2626 bronze badges answered Oct 8 '12 at 21:07 Taryn♦Taryn ...
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Why does Python print unicode characters when the default encoding is ASCII?

...lt, ASCII. For example, I use a bash shell which encoding defaults to UTF-8. If I start Python from it, it picks up and use that setting: $ python >>> import sys >>> print sys.stdout.encoding UTF-8 Let's for a moment exit the Python shell and set bash's environment with some b...
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Convert data.frame column to a vector?

... 8 [..., drop = F] will always return a data frame – hadley Aug 16 '11 at 18:19 ...