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Ruby custom error classes: inheritance of the message attribute
I can't seem to find much information about custom exception classes.
4 Answers
4
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HTML anchor link - href and onclick both?
I want to author an anchor tag that executes some JavaScript and then proceeds to go wherever the href was taking it. Invoking a function that executes my JavaScript and then sets window.location or top.location to the href location doesn't work for me.
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Flatten List in LINQ
I have a LINQ query which returns IEnumerable<List<int>> but i want to return only List<int> so i want to merge all my record in my IEnumerable<List<int>> to only one array.
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ActiveRecord, has_many :through, and Polymorphic Associations
...h Rails 3.1.1 that breaks this functionality. If you are having this problem first try upgrading, it's been fixed in 3.1.2
You're so close. The problem is you're misusing the :source option. :source should points to the polymorphic belongs_to relationship. Then all you need to do is specify :source...
What's the difference between Jetty and Netty?
What is the main difference between Jetty and Netty?
3 Answers
3
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How can I detect whether an iframe is loaded?
I am trying to check whether an iframe has loaded after the user clicks a button.
3 Answers
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What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
> foo 10, 20, 30
=> [...
Convert a timedelta to days, hours and minutes
I've got a timedelta. I want the days, hours and minutes from that - either as a tuple or a dictionary... I'm not fussed.
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Display name of the current file in vim?
How do you display the filename of the file you are working on in vim?
9 Answers
9
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Github (SSH) via public WIFI, port 22 blocked
I'm currently on a public WIFI spot and I'm unable to use SSH (they probably blocked that port). However, I need that connection to do a git push .
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