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What does map(&:name) mean in Ruby?
... as &foo, which will call foo.to_proc and use that as the method's block.
The Symbol#to_proc method was originally added by ActiveSupport but has been integrated into Ruby 1.8.7. This is its implementation:
class Symbol
def to_proc
Proc.new do |obj, *args|
obj.send self, *args
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Get the string representation of a DOM node
...: I have the DOM representation of a node (element or document) and I'm looking for the string representation of it. E.g.,
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How Does Modulus Divison Work
I don't really understand how modulus division works.
I was calculating 27 % 16 and wound up with 11 and I don't understand why.
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Print number of keys in Redis
Is there a way to print the number of keys in Redis?
8 Answers
8
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How to Add a Dotted Underline Beneath HTML Text
...e text is dotted rather than the standard underline? Preferably, I would like to do this without using a separate CSS file. I'm a novice at html.
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Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...te has got some secured parts that can be logged into using Google, Facebook, ...etc (OAuth).
16 Answers
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Lombok added but getters and setters not recognized in Intellij IDEA
I am using IntelliJ IDEA on ubuntu. I added lombok.jar into my project and installed the Lombok plugin for IDEA. I have access to the annotations but the getters and setters aren't generated. I get the same errors I would get if I tried accessing a getter or setter method that doesn't exist. W...
Returning from a finally block in Java
...tly to find that it's possible to have a return statement in a finally block in Java.
6 Answers
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How is OAuth 2 different from OAuth 1?
...ferences in his article Introducing OAuth 2.0. To summarize, here are the key differences:
More OAuth Flows to allow better support for non-browser based applications. This is a main criticism against OAuth from client applications that were not browser based. For example, in OAuth 1.0, desktop ...
How to find day of week in php in a specific timezone
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