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Ruby: extend self
In Ruby, I understand the basic idea of extend . However, what's happening in this segment of code? Specifically, what does extend do? Is it just a convenient way of making the instance methods into class methods? Why would you do it this way rather than specifying class methods from the beginnin...
How do I “source” something in my .vimrc file?
I've been working on expanding my vim-foo lately and I've run across a couple of plugins ( autotag.vim for example) that require them to be "sourced" in my .vimrc file. What exactly does this mean and how do I do it?
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Which characters are valid/invalid in a JSON key name?
Are there any forbidden characters in key names, for JavaScript objects or JSON strings? Or characters that need to be escaped?
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Align elements side by side
I know this is a rather simple question, but I can't figure it out for the life of me. I have two links which I've applied a background image to. Here's what it currently looks like (apologies for the shadow, just a rough sketch of a button):
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In Scala how do I remove duplicates from a list?
Suppose I have
8 Answers
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How to change cursor from pointer to finger using jQuery?
This is probably really easy, but I've never done it before. How do you change your cursor to the finger (like for clicking on links) instead of the regular pointer?
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Rails 3 check if attribute changed
Need to check if a block of attributes has changed before update in Rails 3.
5 Answers
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
What is difference between @UniqueConstraint and @Column(unique = true) ?
4 Answers
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Difference between git pull --rebase and git pull --ff-only
Let's say origin/master has commit A--B--C and my local/master has commit A--B--D .
1 Answer
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XSD - how to allow elements in any order any number of times?
I am trying to create an XSD, and trying to write the definition with the following requirement:
6 Answers
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