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Rails 3 check if attribute changed
...e form.
– Peter Brown
Jan 29 '13 at 20:27
what if I would want to do something like this: model.collection.changed_s...
How to create a new (and empty!) “root” branch?
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edited Sep 14 '15 at 20:28
VonC
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How can I determine the type of an HTML element in JavaScript?
...l still work fine.
– TheCuBeMan
Oct 20 '14 at 15:39
8
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What is the best practice for making an AJAX call in Angular.js?
I was reading this article: http://eviltrout.com/2013/06/15/ember-vs-angular.html
4 Answers
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Does making a struct volatile make all its members volatile?
...Virtually Real
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3
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Check if any ancestor has a class using jQuery
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edited Feb 4 '16 at 20:04
answered Jun 13 '13 at 10:35
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Python: using a recursive algorithm as a generator
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20
The interior call to getPermutations -- it's a generator, too.
def getPermutations(string, pre...
How does one use rescue in Ruby without the begin and end block
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Example:
begin
# something which might raise an exception
rescue SomeExceptionClass => so...
Python: fastest way to create a list of n lists
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answered Apr 1 '11 at 20:31
Sven MarnachSven Marnach
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Overlaying histograms with ggplot2 in R
... concrete example with some output:
dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100))
ggplot(dat,aes(x=xx)) +
geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) +
geom_histogram(data=subset(dat,yy == 'b'),fi...