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How to prevent ifelse() from turning Date objects into numeric objects
... class of the inputs.
library(data.table)
dates <- fifelse(dates == '2011-01-01', dates - 1, dates)
str(dates)
# Date[1:5], format: "2010-12-31" "2011-01-02" "2011-01-03" "2011-01-04" "2011-01-05"
dplyr::if_else
From dplyr 0.5.0 release notes:
[if_else] have stricter semantics that ifelse(): ...
Can Android do peer-to-peer ad-hoc networking?
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HTML list-style-type dash
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You could use :before and content: bearing in mind that this is not supported in IE 7 or below...
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edited Sep 3 '11 at 11:20
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How to add jQuery in JS file
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edited Oct 1 '19 at 11:05
Tom Dee
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How to get Spinner value?
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answered Sep 20 '11 at 14:35
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javac is not recognized as an internal or external command, operable program or batch file [closed]
...can cause all sorts of conflicts. (For instance, if you have JRE 8 and JDK 11 in PATH, in that order, then javac will invoke the Java 11 compiler, which will create version 55 .class files, but java will invoke the Java 8 JVM, which only supports up to version 52, and you will experience unsupported...
Installing python module within code
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edited Aug 17 '18 at 11:37
Tomasz Gandor
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XAMPP, Apache - Error: Apache shutdown unexpectedly
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AbuarifAbuarif
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Eclipse IDE: How to zoom in on text?
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answered Oct 19 '11 at 14:59
Marcel Valdez OrozcoMarcel Valdez Orozco
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