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How to check whether an array is empty using PHP?
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How to check if file is empty or it has only blank characters?
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How to compare arrays in JavaScript?
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How do I empty an array in JavaScript?
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PHP: a short cut for isset and !empty?
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What is the best way to test for an empty string with jquery-out-of-the-box?
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write some AMPscript to skip a record if its empty
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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
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How can I check if a gzipped file is empty?
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Check whether a string is not null and not empty
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How can I check if a Perl array contains a particular value?
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Fixing the PHP empty function
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Testing for an empty array object in JSON with jQuery
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Checking for undefined
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Checking if an array has some items in coffeescript
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How do you check if a variable is an array in JavaScript?
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How to add elements to an empty array in PHP?