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In javascript, is an empty string always false as a boolean?

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Gradle store on local file system

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Can I use complex HTML with Twitter Bootstrap's Tooltip?

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Integrating MySQL with Python in Windows

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How do I get the path of a process in Unix / Linux

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What's the algorithm to calculate aspect ratio?

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Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)

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Store images in a MongoDB database

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Error 5 : Access Denied when starting windows service

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Virtualizing an ItemsControl?

...s are visible on the screen. You can read more on UI virtualization here . EDIT: Forgot to state the obvious: as an alternate solution, you can just replace ItemsControl with ListBox :) Also, check out this Optimizing Performance on MSDN page and notice that ItemsControl isn't in the "Controls That ...