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What does @@variable m>me m>an in Ruby?
What are Ruby variables preceded with double at signs ( @@ )? My understanding of a variable preceded with an at sign is that it is an instance variable, like this in PHP:
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Java List.contains(Object with field value equal to x)
...se a loop to go through and check, but I was curious if there was anything more code efficient.
13 Answers
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What are Vertex Array Objects?
I am just starting to learn OpenGL today from this tutorial: http://openglbook.com/the-book/
I got to chapter 2, where I draw a triangle, and I understand everything except VAOs (is this acronym OK?). The tutorial has this code:
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How to correctly use “section” tag in HTML5?
I'm trying to build a layout in HTML5 and after reading several different articles I'm just confused. I'm trying to get som>me m> input on how it should be used.
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How do you cast a List of supertypes to a List of subtypes?
...orks; but it doesn't work because you can't cast a generic type of one param>me m>ter to another. However, you can cast through an interm>me m>diate wildcard type and it will be allowed (since you can cast to and from wildcard types, just with an unchecked warning):
List<TestB> variable = (List<Test...
How do I iterate through each elem>me m>nt in an n-dim>me m>nsional matrix in MATLAB?
I have a problem. I need to iterate through every elem>me m>nt in an n-dim>me m>nsional matrix in MATLAB. The problem is, I don't know how to do this for an arbitrary number of dim>me m>nsions. I know I can say
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Private vs Protected - Visibility Good-Practice Concern [closed]
...accept to have subclasses of your class, and there is a protected field or m>me m>thod, this field or m>me m>thod is part of the public API of the class, and may not be changed later without breaking subclasses.
A class that is not intended to be inherited should be made final (in Java). You might relax som>me m>...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
I was deploying an ASP.NET MVC application last night, and found out that it is less work to deploy with IIS7 set to integrated mode. My question is what is the difference? And what are the implications of using one or the other?
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
I already added a custom domain to my Heroku app and it works with www.domain.com .
4 Answers
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Easiest way to pass an AngularJS scope variable from directive to controller?
What is the easiest way to pass an AngularJS scope variable from directive to controller? All of the examples that I've seen seem so complex, isn't there a way I can access a controller from a directive, and set one of it's scope variables?
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