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Positive Number to Negative Number in JavaScript?
...um is 3,
then 3 < 3-1 => false
so slideNum remains positive??
It looks more like a logic error to me.
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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...
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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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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What would cause an algorithm to have O(log log n) complexity?
...there are typically two main routes that will arrive at this runtime.
Shrinking by a Square Root
As mentioned in the answer to the linked question, a common way for an algorithm to have time complexity O(log n) is for that algorithm to work by repeatedly cut the size of the input down by some consta...
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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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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Reopen last closed tab in Visual Studio
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StormenetStormenet
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