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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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Convert a matrix to a 1 dimensional array
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nico
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answered Sep 29 '10 at 16:23
SpacedmanSpacedm...
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...
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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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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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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How to get an object's properties in JavaScript / jQuery?
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You can look up an object's keys and values by either invoking JavaScript's native for in loop:
var obj = {
foo: 'bar',
base: 'ball'
};
for(var key in obj) {
alert('key: ' + key + '\n' + 'value: ' + obj[key]);
}
or ...
move_uploaded_file gives “failed to open stream: Permission denied” error
I keep getting this error when trying to configure the upload directory with Apache 2.2 and PHP 5.3 on CentOS.
13 Answers
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