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Can dplyr package be used for conditional mutating?
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220
Use ifelse
df %>%
mutate(g = ifelse(a == 2 | a == 5 | a == 7 | (a == 1 & b == 4), 2,
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How can I deserialize JSON to a simple Dictionary in ASP.NET?
...nString);
– Nate Cook
Jun 18 '13 at 20:04
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MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
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David Ebbo has edited his post with this clarification:
Note (12/22/2011): now that MVC 3 has direct support for dynamic, the technique below is no longer necessary. This post is in fact what led to integrating the feature into MVC!
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Entity Framework Code First - two Foreign Keys from same table
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– Rupesh Kumar Tiwari
Jun 30 '15 at 20:06
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How can I run dos2unix on an entire directory? [closed]
...colon, so \;; echo Hello
– Josh
May 20 '14 at 11:43
1
Be careful with this command though, it doe...
Should an Enum start with a 0 or a 1?
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answered Aug 31 '11 at 13:20
pstrjdspstrjds
14.6k66 gold badges4848 silver badges6060 bronze badges
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Return a value from AsyncTask in Android [duplicate]
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edited Feb 22 '15 at 20:29
Meneer Venus
1,03122 gold badges1010 silver badges2828 bronze badges
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How do you use vim's quickfix feature?
...oned it here before; that's probably because it didn't exist until January 2010, though the question was asked in 2009.
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and how to checkout back to the current commit from "git checkout <sha1>"?
– アレックス
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