My team got handed over some server side code (in Java) that generates random tokens and I have a question regarding the same – The purpose of these tokens is fairly sensitive – used for session id, password reset links etc. So they do need to be cryptographically random to avoid somebody guessing them or … Read more
I am trying to generate a random password in php. However I am getting all ‘a’s and the return type is of type array and I would like it to be a string. Any ideas on how to correct the code? Thanks. function randomPassword() { $alphabet = “abcdefghijklmnopqrstuwxyzABCDEFGHIJKLMNOPQRSTUWXYZ0123456789”; for ($i = 0; $i < 8; … Read more
Simple question, but I’m interested in the nuances here. I’m generating random booleans using the following method I came up with myself: const rand = Boolean(Math.round(Math.random())); Whenever random() shows up, it seems there’s always a pitfall – it’s not truly random, it’s compromised by something or other, etc. So, I’d like to know: a) Is … Read more
I’m trying to make a game with dice, and I need to have random numbers in it (to simulate the sides of the die. I know how to make it between 1 and 6). Using #include <cstdlib> #include <ctime> #include <iostream> using namespace std; int main() { srand((unsigned)time(0)); int i; i = (rand()%6)+1; cout << … Read more
This question already has answers here: Random number generator only generating one random number (13 answers) Closed 6 years ago. I’ve developed a random string generator but it’s not behaving quite as I’m hoping. My goal is to be able to run this twice and generate two distinct four character random strings. However, it just … Read more
This question already has answers here: How to get random value out of an array? (20 answers) Closed 8 years ago. $items = Array(523,3452,334,31,…5346); Each item of this array is some number. How do I get random item from $items? 4 Answers 4
Is it possible to get a random number between 1-100 and keep the results mainly within the 40-60 range? I mean, it will go out of that range rarely, but I want it to be mainly within that range… Is it possible with JavaScript/jQuery? Right now I’m just using the basic Math.random() * 100 + … Read more
A generic method that can return a random integer between 2 parameters like ruby does with rand(0..n). Any suggestion? 23 Answers 23
How do I generate random numbers using Dart? 19 Answers 19
What’s the shortest way (within reason) to generate a random alpha-numeric (uppercase, lowercase, and numbers) string in JavaScript to use as a probably-unique identifier? 20 Answers 20
