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What is the !! (not not) operator in JavaScript?
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Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
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What is http multipart request?
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IggyIggy
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How do I run a Ruby file in a Rails environment?
..../script.rb.
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Sep 16 at 6:30
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Why is not in HTML 5 Tag list while is?
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answered Feb 14 '10 at 3:23
ChuckChuck
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Button Click event fires when pressing Enter key in different input (no forms)
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I had the same problem and solved it by adding type="button" attribute to the <button> element, by which IE thinks the button a...
TypeError: module.__init__() takes at most 2 arguments (3 given)
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edited Jan 17 '18 at 10:14
Aran-Fey
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How to make an ng-click event conditional?
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It is not good to manipulate with DOM (including checking of attributes) in any place except di...
C++ const map element access
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CB BaileyCB Bailey
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Database cluster and load balancing
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edited Jul 22 '09 at 5:57
answered Jul 22 '09 at 5:44
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Record file copy operation with Git
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edited Aug 31 '15 at 20:06
Cristian Ciupitu
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