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Tri-state Check box in HTML?

... Edit — Thanks to Janus Troelsen's comment, I found a better solution: HTML5 defines a property for checkboxes called indeterminate See w3c reference guide. To make checkbox appear visually indeterminate set it to true: element.indeterminate = true; Here ...
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Pretty-Printing JSON with PHP

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Group by with multiple columns using lambda

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Filter element based on .data() key/value

... @NathanKoop, not quite. See my comment on his answer. – Bryan Downing Feb 25 '13 at 22:26 ...
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Is it possible to set code behind a resource dictionary in WPF for event handling?

... element, like so: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="MyCompany.MyProject.MyResourceDictionary" x:ClassModifier="public"&...
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Access “this” from Java anonymous class

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How to get the start time of a long-running Linux process?

... You can specify a formatter and use lstart, like this command: ps -eo pid,lstart,cmd The above command will output all processes, with formatters to get PID, command run, and date+time started. Example (from Debian/Jessie command line) $ ps -eo pid,lstart,cmd PID CMD ...
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it

...nexistent file or null pointer, regardless of whether those situations are common, and without considering the performance cost. – LarsH Apr 19 '13 at 18:37 4 ...
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How is attr_accessible used in Rails 4?

...x 'attr_accessible' is extracted out of Rails into a gem. Please use new recommended protection model for params(strong_parameters) or add 'protected_attributes' to your Gemfile to use old one. – user Sep 24 '13 at 20:16 ...
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What does the X-SourceFiles header do?

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