numbers

I'm trying to write a program that takes input of - hexadecimals, octals, and decimals -, stores them in integer variables, and outputs them along with their conversion to decimal form. For example: User inputs: 0x43, 0123, 65 Program outputs: 0x43 hexadecimal converts to 67 decimal 0123 octal converts to 83 decimal 65 decimal converts to 65 decimal So obviously I need a way to interpret the numbers, but I'm not sure how to go about doing it. I've tried various methods such as reading them into a function and converting them into a string, and vice versa (see here for code examples), but

I want to change the default numbers from english to arabic when the user switches to the arabic interface. 13 => ١٣ 89 => ٨٩ What is the best way to tackle this problem? I add in helper module ARABIC_NUMBERS = %w(٠ ١ ٢ ٣ ٤ ٥ ٦ ٧ ٨ ٩) def ta numbers numbers = numbers.to_s if numbers.is_a? Integer results = numbers.chars.map { |char| ARABIC_NUMBERS[char.to_i] }.join end Check this code : https://github.com/gdotdesign/rails-arabic-convert/blob/master/app/helpers/convert_helper.rb . It's a helper to convert a english number to an arabic number. I came up with this quick solution. I added the

This question already has answers here : How to increase each number in a string? (4 answers) Closed 5 years ago . I have some strings like so: <p>It will vary from 100g to 200g</p> <p>2lbs of meat</p> <p>3 piles of timber</p> etc etc I would like to increment/decrement all numbers in each string. Any pointers? Additional notes: No, the number can be anywhere in the string. @cookie_monster I would like to see if it's possible without the usual operations. A simple solution would be to use a regular expression , for example: "100g".replace(/\d+/g, function(n) { return +n + 1; }); // 101g

I know that there is a library that do that use Scalar::Util qw(looks_like_number); yet I want to do it using perl regular expression. And I want it to work for double numbers not for only integers. so I want something better than this $var =~ /^[+-]?\d+$/ thanks. Constructing a single regular expression to validate a number is really difficult. There simply are too many criteria to consider. Perlfaq4 contains a section "How do I determine whether a scalar is a number/whole/integer/float? The code from that documentation shows the following tests: if (/\D/) {print "has nondigits\n" } if (/^\d+

I want a bit of javascript that will allow me to generate 4 random numbers that add up to a certain value e.g. if max = 20 then num1 = 4 num2 = 4 num3 = 7 num4 = 5 or max = 36 then num1 = 12 num2 = 5 num3 = 9 num4 = 10 What I have so far is... var maxNum = 20; var quarter; var lowlimit; var upplimit; var num1 = 1000; var num2 = 1000; var num3 = 1000; var num4 = 1000; var sumnum = num1+num2+num3+num4; quarter = maxNum * 0.25; lowlimit = base - (base * 0.5); upplimit = base + (base * 0.5); if(sumnum != maxNum){ num1 = Math.floor(Math.random()*(upplimit-lowlimit+1)+lowlimit); num2 = Math.floor

例10 最大公约数 问题描述 有三个正整数a,b,c（0<a,b,c<10^6），其中c不等于b。若a和c的最大公约数为b，现已知a和b，求满足条件的最小的c。 输入数据 第一行输入一个n，表示有n组测试数据，接下来的n行，每行输入两个正整数a,b。 输出格式 输出对应的c，每组测试数据占一行。 输入样例 2 6 2 12 4 输出样例 4 8 （1）编程思路。 利用转辗相除法求两个整数的最大公约数。例如，求整数m=48，n=18两个数的最大公约数的方法如左图所示。 具体做法是：，若m%n==0，则n是最大公约数，否则，计算 r=m%n，置m=n，n=r，重复这个过程，直到m%n==0。 将求整数m和n的最大公约数定义为函数 int gcd(int m,intn)； 。 在本题中，由于b是a、c的最大公约数，且c！=b，所以对c=2*b、3*b…进行穷举判断即可直到最小的满足条件的c。 （2）源程序。 #include <stdio.h> int gcd(int m, int n) { int r; while(m%n!=0) { r=m%n; m = n; n = r; } return n; } int main() { int t,a,b,c; scanf("%d",&t); while(t--) { scanf("%d%d",&a,&b); c=2*b; while(gcd

I'd like to color numbers in a table for better readability: green for positive (+00.00); red for negative (-00.00) and; black for default case (no sign) Here ya go: $(document).ready( function() { // the following will select all 'td' elements with class "of_number_to_be_evaluated" // if the TD element has a '-', it will assign a 'red' class, and do the same for green. $("td.of_number_to_be_evaluated:contains('-')").addClass('red'); $("td.of_number_to_be_evaluated:contains('+')").addClass('green'); } Then use CSS to style the input elements: td.red { color: red; } td.green { color: green; }