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Group by multiple columns in dplyr, using string vector input

... B 0.24943935 3 A C -0.25783892 4 B A 0.15161805 5 B B 0.27189974 6 B C 0.20858897 7 ...
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Labels for radio buttons in rails form

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How to change owner of PostgreSql database?

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Strange \n in base64 encoded string in Ruby

... answered Apr 12 '10 at 9:38 Christoffer HammarströmChristoffer Hammarström 23.2k44 gold badges4343 silver badges5353 bronze badges ...
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How to center a WPF app on screen?

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How do I select the parent form based on which submit button is clicked?

... | edited Nov 22 '08 at 18:15 answered Nov 22 '08 at 18:09 ...
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Difference between Iterator and Listiterator?

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RegEx to find two or more consecutive chars

... 198 This should do the trick: [a-zA-Z]{2,} ...
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Parallel.ForEach vs Task.Run and Task.WhenAll

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Mapping enum to string in hibernate

... 182 Yes, is possible. It should be: @Enumerated(EnumType.STRING) @Column(name = "category_type") p...