Top "Digits" questions

Java Regular Expression: match any number of digits in round brackets if the closing bracket is the last char in the String

I need some help to save my day (or my night). I would like to match: Any number of digits …

java regex brackets digits

how can i tell if a string contains ONLY digits and spaces in python using regex

I'm trying to write some script in python (using regex) and I have the following problem: I need to make …

python regex numbers spaces digits

kable displays different number of digits in each column

I am using kable with the knit to Word functionality at work. I find that I often have simple tables …

r knitr digits

How to extract a number into digits using R?

Suppose I have a number: 4321 and I want to extract it into digits: 4, 3, 2, 1 How do I do this?

r numbers extract digits

How to put numbers of an integer in a vector in C++

If a user enters an integer like 4210 for example, how can I put each number of that integer in a …

c++ vector integer digits

Fastest way to find the largest power of 10 smaller than x

Is there any fast way to find the largest power of 10 smaller than a given number? I'm using this algorithm, …

algorithm language-agnostic base digits

How do I split an integer into individual digits?

I'm writing a function that requires the individual digits of a larger integer to perform operations on. I've tried the …

rust digits

What does s[i] - '0' mean?

The following code is from K&R textbook, page number 71: val =10.0*val+s[i] -'0' What does s[…

c char c-strings digits