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Is there a standard function to check for null, undefined, or blank variables in JavaScript?

... 103 @TruMan1: in such a case (where your logic dictates the validation) you have to go like if( value || value === false ). Same goes for all ...
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Using switch statement with a range of value in each case?

... System.out.println("testing case 1 to 5"); } else if (isBetween(num, 6, 10)) { System.out.println("testing case 6 to 10"); } share | improve this answer | follow ...
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Convert.ChangeType() fails on Nullable Types

... answered Aug 20 '10 at 14:29 LukeHLukeH 233k5050 gold badges338338 silver badges395395 bronze badges ...
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Bash array with spaces in elements

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Matplotlib 2 Subplots, 1 Colorbar

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How can I determine if a JavaScript variable is defined in a page? [duplicate]

... answered Sep 26 '08 at 10:44 SSharmaSSharma 2,81533 gold badges1515 silver badges66 bronze badges ...
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How to increment datetime by custom months in python without using library [duplicate]

...gt; somedate = datetime.date.today() >>> somedate datetime.date(2010, 11, 9) >>> add_months(somedate,1) datetime.date(2010, 12, 9) >>> add_months(somedate,23) datetime.date(2012, 10, 9) >>> otherdate = datetime.date(2010,10,31) >>> add_months(otherdate,1)...
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Python list subtraction operation

... answered Aug 7 '10 at 0:19 aaronasterlingaaronasterling 58.1k1717 gold badges114114 silver badges124124 bronze badges ...
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is it possible to select EXISTS directly as a bit?

...9:49 Dai 100k2121 gold badges164164 silver badges259259 bronze badges answered May 3 '10 at 17:53 Alex K.Alex ...
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JavaScript variables declare outside or inside loop?

...ou've got yourself an accidental global. In particular: for (var i; i<100; i++) do something; for (var i; i<100; i++) do something else; Crockford will recommend you remove the second var (or remove both vars and do var i; above), and jslint will whinge at you for this. But IMO it...