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Rails: select unique values from a column
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Model.select(:rating)
Result of this is a collection of Model objects. Not plain ratings. And from uniq's point of view, they are completely different. You can use this:
Model.select(:rating).map(&:rating).uniq
or th...
Insert image after each list item
What would be the best way to insert a small image after each list element? I tried it with a pseudo class but something is not right...
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Difference between “git checkout ” and “git checkout -- ”
http://norbauer.com/notebooks/code/notes/git-revert-reset-a-single-file
2 Answers
2
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How to click first link in list of items after upgrading to Capybara 2.0?
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You can just use:
first('.item').click_link('Agree')
or
first('.item > a').click
(if your default selector is :css)
Code in your question doesn't work as:
within ".item" do
first(:link, "Agree").click
end
is equivalent to:
find('.item')....
Where in an Eclipse workspace is the list of projects stored?
I use Eclipse with "external" projects - i.e. projects created from existing source.
6 Answers
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Aligning UIToolBar items
I have three UIBarButtonItem created as below. They align left and I'd like to align center so there isn't a gap on the right side. I don't see an align property on UIToolBar . Is there another way to accomplish this?
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Hide all but $(this) via :not in jQuery selector
Advanced title, simple question:
4 Answers
4
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What is resource-ref in web.xml used for?
I'm just wondering when/why you would define a <resource-ref> element in your web.xml file?
1 Answer
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What is this: [Ljava.lang.Object;?
I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don't know how to read it.
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Scala: Nil vs List()
...q List())
true
scala> println (Nil equals List())
true
scala> System.identityHashCode(Nil)
374527572
scala> System.identityHashCode(List())
374527572
Nil is more idiomatic and can be preferred in most cases.
Questions?
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