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Why are margin/padding percentages in CSS always calculated against width?
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Transferring my comment to an answer, because it makes logical sense. However, please note that...
Find the day of a week
...r way...
The wday component of a POSIXlt object is the numeric weekday (0-6 starting on Sunday).
as.POSIXlt(df$date)$wday
## [1] 3 3 4
which you could use to subset a character vector of weekday names
c("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday",
"Friday", "Saturday")[as.POSIXl...
Can I use conditional statements with EJS templates (in JMVC)?
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JbirdJbird
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Making iTerm to translate 'meta-key' in the same way as in other OSes
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edited Apr 26 '12 at 18:34
sorin
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Best practices for using Markers in SLF4J/Logback
...red Dec 15 '10 at 3:39
user359996user359996
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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
Why were 181783497276652981 and 8682522807148012 chosen in Random.java ?
3 Answers
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What is the significance of 1/1/1753 in SQL Server?
... you compute the number of days between
October 12, 1492, and July 4, 1776? Do
you include those missing 12 days? To
avoid having to solve this problem,
the original Sybase SQL Server
developers decided not to allow dates
before 1753. You can store earlier
dates by using character fiel...
What GRANT USAGE ON SCHEMA exactly do?
...raig Ringer
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Which kind of pointer do I use when?
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– David Rodríguez - dribeas
Jan 3 '12 at 6:30
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@David: Ah, I see. :) Yeah, references aren't bad for ...
What is the purpose of setting a key in data.table?
...other vignettes that we plan to.
I've updated this answer again (Feb 2016) in light of the new on= feature that allows ad-hoc joins as well. See history for earlier (outdated) answers.
What exactly does setkey(DT, a, b) do?
It does two things:
reorders the rows of the data.table DT by the c...