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Why can't enum's constructor access static fields?
Why can't enum's constructor access static fields and methods? This is perfectly valid with a class, but is not allowed with an enum.
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When do I need to use AtomicBoolean in Java?
How I can use AtomicBoolean and what is that class for?
5 Answers
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Understanding $.proxy() in jQuery
From docs I understand that .proxy() would change the scope of the function passed as an argument. Could someone please explain me this better? Why should we do this?
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How to display unique records from a has_many through relationship?
I'm wondering what is the best way to display unique records from a has_many, through relationship in Rails3.
4 Answers
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Modifying a query string without reloading the page
I am creating a photo gallery, and would like to be able to change the query string and title when the photos are browsed.
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How to find index of all occurrences of element in array?
I am trying to find the index of all the instances of an element, say, "Nano", in a JavaScript array.
15 Answers
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Percentage Height HTML 5/CSS
I am trying to set a <div> to a certain percentage height in CSS, but it just remains the same size as the content inside it. When I remove the HTML 5 <!DOCTYTPE html> however, it works, the <div> taking up the whole page as desired. I want the page to validate, so what shoul...
What's the (hidden) cost of Scala's lazy val?
One handy feature of Scala is lazy val , where the evaluation of a val is delayed until it's necessary (at first access).
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Set a persistent environment variable from cmd.exe
I have to set environment variables on different windows machines, but I don't want to be bothered changing them manually by getting on the properties screen of "My Computer"
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How do I programmatically shut down an instance of ExpressJS for testing?
I'm trying to figure out how to shut down an instance of Express. Basically, I want the inverse of the .listen(port) call - how do I get an Express server to STOP listening, release the port, and shutdown cleanly?
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