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Confusion between factor levels and factor labels
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131
Very short : levels are the input, labels are the output in the factor() function. A factor has...
Putting an if-elif-else statement on one line?
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Tim PietzckerTim Pietzcker
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Set a persistent environment variable from cmd.exe
...future command windows but not in the current CMD.exe command window.
3) On a remote system, variables created or modified by this tool will be available at the next logon session.
In PowerShell, the [Environment]::SetEnvironmentVariable command.
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How to concatenate strings with padding in sqlite
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3 Answers
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How are booleans formatted in Strings in Python?
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answered Feb 13 '10 at 22:07
danbendanben
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How to calculate a mod b in Python?
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243
There's the % sign. It's not just for the remainder, it is the modulo operation.
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Subscripts in plots in R
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138
expression is your friend:
plot(1,1, main=expression('title'^2)) #superscript
plot(1,1, main=...
Get css top value as number not as string?
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Regular expression to match URLs in Java
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edited Sep 29 '13 at 20:09
Alan Moore
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Checking to see if one array's elements are in another array in PHP
...al Murali
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answered Feb 7 '09 at 13:50
GregGreg
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