digits Archives - IT Nursery

Given a number, find the next higher number which has the exact same set of digits as the original number

I just bombed an interview and made pretty much zero progress on my interview question. Given a number, find the next higher number ...

May 25, 2022
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Check if string contains only digits

I want to check if a string contains only digits. I used this: var isANumber = isNaN(theValue) === false; if (isANumber){ .. } ...

May 5, 2022
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How to round a number to n decimal places in Java

What I would like is a method to convert a double to a string which rounds using the half-up method – i.e. if ...

April 13, 2022
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How to round a number to n decimal places in Java

Use setRoundingMode, set the RoundingMode explicitly to handle your issue with the half-even round, then use the format pattern for your required output. ...

April 8, 2022
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