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Generate array of all letters and digits
...g ruby, is it possible to make an array of each letter in the alphabet and 0-9 easily?
7 Answers
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How to validate an email address in PHP
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10 Answers
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Finding duplicates in O(n) time and O(1) space
Input: Given an array of n elements which contains elements from 0 to n-1, with any of these numbers appearing any number of times.
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Best way of returning a random boolean value
...alse].sample is faster than rand(2) == 1. When I performed each operation 10 million times the rand method was 2.179s. The sample method was 1.645s.
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Jun 27 '16 at 4:47
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Getting current date and time in JavaScript
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.getMonth() returns a zero-based number so to get the correct month you need to add 1, so calli...
How do I round to the nearest 0.5?
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Multiply your rating by 2, then round using Math.Round(rating, MidpointRounding.AwayFromZero), ...
Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
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What are the aspect ratios for all Android phone and tablet devices?
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║ 19.5 x 9 ║ 0.462... ║ 2.167... ║
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Transparent ARGB hex value
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Transparency is controlled by the alpha channel (AA in #AARRGGBB). Maximal value (255 dec, FF h...