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Find the day of a week
...a.frame(date=c("2012-02-01", "2012-02-01", "2012-02-02"))
df$day <- weekdays(as.Date(df$date))
df
## date day
## 1 2012-02-01 Wednesday
## 2 2012-02-01 Wednesday
## 3 2012-02-02 Thursday
Edit: Just to show another way...
The wday component of a POSIXlt object is the numeric wee...
How can I print the contents of a hash in Perl?
I keep printing my hash as # of buckets / # allocated.
How do I print the contents of my hash?
11 Answers
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Parse query string into an array
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Giacomo1968
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answered Mar 22 '11 at 21:01
AnthonyAnthony
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How to resize the jQuery DatePicker control
I'm using the jQuery DatePicker control for the first time. I've got it working on my form, but it's about twice as big as I would like, and about 1.5 times as big as the demo on the jQuery UI page. Is there some simple setting I'm missing to control the size?
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Reopen last closed tab in Visual Studio
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StormenetStormenet
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How to delete a cookie?
Is my function of creating a cookie correct? How do I delete the cookie at the beginning of my program? is there a simple coding?
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Short circuit Array.forEach like calling break
...Each method in JavaScript? I've tried return; , return false; and break . break crashes and return does nothing but continue iteration.
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jQuery get specific option tag text
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It's looking for an element with id list which has a property value equal to 2.
What you want is the option child of the list:
$("#list option[value='2']").text()
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How to find a hash key containing a matching value
Given I have the below clients hash, is there a quick ruby way (without having to write a multi-line script) to obtain the key given I want to match the client_id? E.g. How to get the key for client_id == "2180" ?
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IOS 7 Navigation Bar text and arrow color
I want to set background for Navigation Bar to be black and all colors inside it to be white .
11 Answers
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