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Why does (1 in [1,0] == True) evaluate to False?
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
... 11 empty_level B 0
#> 12 empty_level C 0
Created on 2019-03-13 by the reprex package (v0.2.1)
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Maven project.build.directory
...utput directory (which by default is target):
https://web.archive.org/web/20150527103929/http://docs.codehaus.org/display/MAVENUSER/MavenPropertiesGuide
EDIT: As has been pointed out, Codehaus is now sadly defunct. You can find details about these properties from Sonatype here:
http://books.sonat...
error: Libtool library used but 'LIBTOOL' is undefined
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use initial width for element not working in IE
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iOS app icon with transparent background showing black background on device
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What is scope/named_scope in rails?
...ect "zombies.*" from "zombies" where "zombies"."rotting" = 't' and (age<20) order by create_at desc limit 3
Example above is based on rails 4 syntax
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How to redirect stderr to null in cmd.exe
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mysql create user if not exists
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urlencode vs rawurlencode?
...ry string to follow form-encoding style of spaces encoded as + instead of %20 (in which case you need urlencode).
rawurlencode follows RFC 1738 prior to PHP 5.3.0 and RFC 3986 afterwards (see http://us2.php.net/manual/en/function.rawurlencode.php)
Returns a string in which all non-alphanumeric ...