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// if you want to know a distance between the number and divisor of other number
int n,m;
n = 3, m = 17;
int mod = 17 % 3;     //3 is a divisor of 15 and distance between 15 and 18 is 2 
cout<<mod;            // 2

#n8n #json #sip #phone #number

Match only numbers of SIP URI before the @ symbol

.match(/(\d+)(?=\D\@)|(\d+)(?=\@)/g)[0]

#javascript #length #number

Number length

function lenOfNum(num) {
  num = Math.abs(num)
  if(num < 10 && num >= 0){
    return 1
  }
  let len = 0
  while(num > 1){
    num = num / 10
    len++
    }
  return len
}

#random #number

Array - With random numbers

double[] a = new double[n];
for (int i = 0; i <n; i++){
  a[i] = Math.random();
}

a

Modulo Operator

Match only numbers of SIP URI before the @ symbol

Number length

Array - With random numbers

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