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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
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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 ...
How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
...nction timeSince(date) {
var seconds = Math.floor((new Date() - date) / 1000);
var interval = seconds / 31536000;
if (interval > 1) {
return Math.floor(interval) + " years";
}
interval = seconds / 2592000;
if (interval > 1) {
return Math.floor(interval) + " months";
}
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Returning value from called function in a shell script
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edited Sep 3 '19 at 19:10
answered Jan 5 '12 at 16:22
Wi...
How do I check if a number is a palindrome?
...d. Any algorithm you make will have to at least split the number into base-10 digits, which is 90% converted to a string anyway.
– Blorgbeard is out
Oct 13 '08 at 22:20
5
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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 ...
Batch not-equal (inequality) operator
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answered Sep 14 '09 at 13:10
Frank BollackFrank Bollack
21.5k33 gold badges4242 silver badges5353 bronze badges
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How do I create a file AND any folders, if the folders don't exist?
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answered Jul 8 '10 at 7:56
Christopher B. AdkinsChristopher B. Adkins
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How can I do DNS lookups in Python, including referring to /etc/hosts?
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answered May 10 '10 at 18:36
Jochen RitzelJochen Ritzel
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