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What is the proper way to check if a string is empty in Perl?

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Error: Jump to case label

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Bash script processing limited number of commands in parallel

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How can I let a table's body scroll but keep its head fixed in place?

... I had to find the same answer. The best example I found is http://www.cssplay.co.uk/menu/tablescroll.html - I found example #2 worked well for me. You will have to set the height of the inner table with Java Script, the rest is CSS. ...
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Which concurrent Queue implementation should I use in Java?

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Selecting multiple classes with jQuery

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EOFError: end of file reached issue with Net::HTTP

...gested vaguely to try URI encoding the URL that is passed to 'get': http://www.loudthinking.org/2010/02/ruby-eoferror-end-of-file-reached.html I took a shot at it, based on desperation, and in my limiting testing this seems to have fixed it for me. My new code is: @http = Net::HTTP.new('domain.com...
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ASP.NET MVC passing an ID in an ActionLink to the controller

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target input by type and name (selector)

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How do I make a checkbox required on an ASP.NET form?

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