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C# System.Random extensions

by Igor Krein

A library of simple extension methods that could be useful for data generation tasks

Bernoulli Factory Algorithms

by Peter Occil

Algorithms to turn biased "coin flips" into biased "coin flips", and how to code them.

by Kornfeld Eliyahu Peter

“Beware the Jabberwock, my son! The jaws that bite, the claws that catch! Beware the Jubjub bird, and shun The frumious Bandersnatch!” - LEWIS CARROLL

Partially-Sampled Random Numbers for Accurate Sampling of Continuous Distributions

by Peter Occil

Python code for partially-sampled random numbers for accurate arbitrary-precision sampling

Latest Articles

Fast SSE Pseudo Random Number Generator

by Alexey Shtykov

The thing that could generate pseudo random numbers faster than standard library does

Reverse-engineering Linear PRNG with Exploratory Seeding

by Member 4201813

How to calculate transition matrix for linear pseudo-random number generator manipulating its internal state

Unveiling the Counterintuitive Nature of the Monty Hall Problem - A Simulation-Based Investigation

by Jack Devey

This post delves into the perplexing Monty Hall paradox, examining the probabilities associated with sticking or switching doors in the game scenario.

Allowing Only Numeric Input in a TextBox

by ToughDev

How to allow only numeric input in TextBox

All Articles

Random

All about randomization

17 Sep 2013 by Uknownymous

Im planning to make an entrance examination windows application in vb.net,VS2012, and i want to randomly select questions from database(i use ms sql server 2005 express) and not repeating every question. I have a limited idea in using binding navigator... is it possible to randomly select using...

SQL-Server-2005

All about randomization

17 Sep 2013 by PIEBALDconsult

Often (with SQL Srver anyway), you can sort the rows by NEWID() to get a fairly random order.But, chances are, you don't want it to be completely random.

SQL-Server-2005

Allowing Only Numeric Input in a TextBox

7 May 2023 by ToughDev

How to allow only numeric input in TextBox

Application icon randomly changes, problem.

16 Sep 2013 by ellasaro

So I have this weird problem,I wrote a program in Visual Studio 2010.At first I configured it so the binary would have an icon, lets call it icon A. Then I changed the configuration again and changed the icon to icon B. The problem is that if I copy/move my binary to my desktop the...

Application icon randomly changes, problem.

17 Sep 2013 by DaveyM69

Have you had a look at this[^]?

Beginner C++ Random Number Generator

28 Jan 2013 by Member 9790449

I am a beginner and I want to have a code with a random number generator, but my code does not follow what I would like it to follow.... PLEASE HELP! . This is what have so far... please help with any corrections, improvements, etc. #include ;#include //drand...

Beginner C++ Random Number Generator

27 Jan 2013 by uddhavh

You can use rand function in c++ i = rand();

Beginner C++ Random Number Generator

29 Jan 2013 by Stefan_Lang

You appear to be confused about a number of things, most related to program flow and programming logic:1. You intialize a number of char variables and never change them, but then, later, you test their value. Apparently what you intended to do is compare the user input against the values you...

Bernoulli Factory Algorithms

2 Sep 2021 by Peter Occil

Algorithms to turn biased "coin flips" into biased "coin flips", and how to code them.

Bingo Game Suite - Part 1

20 Feb 2023 by gggustafson

In this first part, we look at the random arrangement of numbers on a player's Bingo card.

Bingo Game Suite - Part 2

27 Feb 2023 by gggustafson

Print_Cards to produce PDF file containing specified number of unique Bingo cards

C program random walk

6 Jan 2022 by innapivov

Please help to write the C code Here is a version of a problem called the random walk. Assume that you`re very tired and dog leaves his lamppost on summer evenings and staggers randomly either two steps in the direction toward home or one step...

C program random walk

5 Jan 2022 by OriginalGriff

Quote: Well, your advices are good but I can`t lose my scholarship, so if there`s a volunteer to help with a code, + to your karma There are several problems here: 1) You clearly have misunderstood karma. We wouldn't get good karma for doing...

C program random walk

6 Jan 2022 by KarstenK

Start with some Learn C tutorial. It wont be to hard if you can already code in some other language, but you need to respect the rules of C like a bunch of braces and declarations. Best is to write some functions and use struct. For some random...

c# - making a percent from a random number out of another number

2 Nov 2015 by Member 12108243

Alright so this is an in game command and it works perfect but I just can't figure out how to make decimal pc = num * rand / 100 because rand doesn't really define one number. internal class GambleCommand : Command { public GambleCommand() :...

c# - making a percent from a random number out of another number

2 Nov 2015 by George Jonsson

Maybe try decimal.Parse or decimal.TryParse, if you want to continue on the road of string conversions.decimal pc = num * decimal.Parse(rand) / 100;

c# - making a percent from a random number out of another number

2 Nov 2015 by Member 12108243

Alright I fixed it so I had to change it todecimal pc = decimal.Parse(rand) / num * 100;

c# - making a percent from a random number out of another number

2 Nov 2015 by Patrice T

First, you should try with integerint rand;...rand = rnd.Next(num, 0);And change the formulaint pc = rand * 100 / NUM;Should be better !

C# how to convert console application algorithm to a windows forms application?

29 May 2014 by Member 10847268

Hello guys! I have this piece of code that I am willing to be converted to a windows forms application in c#!using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.ComponentModel;using System.Data;using System.IO;namespace Bruteforce{ ...

C# how to convert console application algorithm to a windows forms application?

29 May 2014 by OriginalGriff

The algorithm remains the same - unlikely to help you brute force attack a password in a reasonable time period, thankfully - all you need is to output them differently: instead of Console.Writeline, you need to pass them back to the "calling process" in some way: either by passing a ListBox...

C# how to convert console application algorithm to a windows forms application?

29 May 2014 by BobJanova

This is a silly application, but presumably you know that. That algorithm's not useful for anything.Console and windowed desktop applications have somewhat different use paradigms, so it isn't so much a case of 'converting' as working out how your core algorithm should be presented in the...

C# random numbers from int array

23 Jul 2013 by BulletVictim

Good day all.Let me start by saying I am missing something obvious and I know, but cant seem to get it.I am working on a randomization application.I need to pull a list of active users(with USERID's) from my database, load them into a Datagridview, Well that works fine, now after that I...

C# random numbers from int array

23 Jul 2013 by OriginalGriff

The way I do it is not to use an array but a List instead:List newOrder = new List();while (users.Count > 0) { int removeIndex = rand.Next(users.Count) newOrder.Add(users[removeIndex]); users.RemoveAt(removeIndex); }What this does is select an item at...

C# seamless perlin noise

14 Apr 2018 by dolfijn3000

so i'm working with perlin noise in c#. after experimenting with it i wanted to make a seammless perlin noise map. i want a map where the above edge of the map can continue in the bottom edge. is there someone that can help me with this ? What I have tried: searching the internet the only...

C# seamless perlin noise

14 Apr 2018 by OriginalGriff

Quote: the answer was writtin in python i don't know python. Then you will either have to learn Python, or keep looking: we are not a "code conversion service".

C# System.Random extensions

29 Jul 2016 by Igor Krein

A library of simple extension methods that could be useful for data generation tasks

c++ generating random numbers without repetition .output screen is just blank with a blinking cursor.

6 Aug 2013 by mbue

At the beginning i==0 therefore the value of check in the first do{}while loop is always false. The function runs in an infinite loop.to avoid this take a look: for(i=0;i

c++ generating random numbers without repetition .output screen is just blank with a blinking cursor.

6 Aug 2013 by Sergey Alexandrovich Kryukov

Never ever use loop variable declared outside of the loop!—SA

c++ generating random numbers without repetition .output screen is just blank with a blinking cursor.

6 Aug 2013 by Sergey Alexandrovich Kryukov

Never ever use loop variable declared outside of the loop!—SA

C++: how do I get the re-roll to display a new set of random numbers in dice game?

27 May 2018 by Member 13843522

I am almost finished with this program, other than I cannot figure out how to get a new set of random numbers when the user chooses to re-roll (rolling R when prompted the first time). Below is my code -- can anyone help me find out where I went wrong with syntax, seed, etc...? What I have...

C++: how do I get the re-roll to display a new set of random numbers in dice game?

27 May 2018 by Patrice T

Quote: I am almost finished with this program, other than I cannot figure out how to get a new set of random numbers when the user chooses to re-roll (rolling R when prompted the first time) You need to workout the logic, a simple method is take output and note what is going on behind the hood....

C++: how do I get the re-roll to display a new set of random numbers in dice game?

27 May 2018 by Richard MacCutchan

Create a function that does the rolling, and allow it to accept a parameter which tells it whether to seed the randomiser or not: int DiceRoll(bool seed = false) { if (seed) { // seed the randomiser srand((int)time(0)); } int roll = 1+rand()%6; // get a random...

C++: how do I get the re-roll to display a new set of random numbers in dice game?

27 May 2018 by CPallini

Try #include /// need this for srand() -- for random numbers #include /// need this for time() -- time #include /// need this for cout> using namespace std; /// need this for cout> int main() { srand(time(0)); cout

Combination of letters with three and more letters

6 Jul 2021 by Happy kaul

0 I want to remove the single string and want to keep string with minimum length 3 and above i tried to access string with this if(result.string >= 3) but it is giving array length so i tried to access string but i cant. so please anybody who...

Combination of letters with three and more letters

5 Jul 2021 by Greg Utas

I don't know Javascript but have a sense of what your code is doing. You're finding all combinations except for the empty string, which is a good start. But I see nothing in your code that filters out combinations of less than 3 letters. It looks...

Combination of letters with three and more letters

6 Jul 2021 by Estys

Replace your return result; withreturn result.filter(x => x.length >= 3); Because the way you generate the combinations, you can't filter short combinations earlier. Cheers

Count the number of iteration in Python

19 Jan 2021 by Member 13987161

i'am trying to generate a random password using python random library where i've defined a number of alphabets(upper, lower & digit) in a variable and also defined the password length size should be 3(EXAMPLE), now using if statement i tried to check whether the random generated password would...

Count the number of iteration in Python

17 Sep 2018 by Richard MacCutchan

counter = 0 while 1: passwd = ''.join(random.sample(sbc,passlen)) if passwd == 'abc': print('password matched') break print(passwd, "does not match") counter += 1 print(counter, "iterations")

Create folder in temp with path, getrandomfilename?

16 Jul 2017 by RealFlare

Is it possible to create a folder in Temp with path.getrandomfilename? Thanks for trying to help me out if you do! :D What I have tried: Research, but nothing works. Maybe use this code: dim path as String = "D:\Mahesh" IF Not Directory.Exists(path) then Directory.CreateDirectory(path) End IF...

Create folder in temp with path, getrandomfilename?

16 Jul 2017 by Atlapure Ambrish

You can do something like this before your if condition. Call the below method to get the path and then check if the path exists, if not create the directory. public string GetTemporaryDirectory() { string tempDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName()); ...

Creating a unique id

8 Aug 2013 by Ahmad Abd-Elghany

hello i want to generate a unique id just like this #OWD-716-46324 how can i achieve it

Creating a unique id

8 Aug 2013 by Punamchand Dhuppad

Hello Ahmad, You can use this code -- private string GetRandomString() { Random rand = new Random((int)DateTime.Now.Ticks); int randomIndex1 = rand.Next(100, 999); int randomIndex2 = rand.Next(10000, 99999); string randstring =...

Demo Data

30 Oct 2017 by Kornfeld Eliyahu Peter

“Beware the Jabberwock, my son! The jaws that bite, the claws that catch! Beware the Jubjub bird, and shun The frumious Bandersnatch!” - LEWIS CARROLL

Difference between Random, SecureRandom and ThreadLocalRandom

12 Feb 2023 by Divya Ulasala

Examining the differences between java.util.Random, java.security.SecureRandom, and java.util.concurrent.ThreadLocalRandom to generate random numbers

Evenly selecting items from a list in a pseudo random manner

3 Dec 2013 by Sal Razzaq

How to fairly pick items from a list

Fast SSE Pseudo Random Number Generator

19 Feb 2024 by Alexey Shtykov

The thing that could generate pseudo random numbers faster than standard library does

Generate a Parameterized Random Char Sequence

15 Sep 2015 by Shvetsov Evgeniy

How to generate a random sequence of chars with the specified parameters (e.g., length, char sets, char count per set, etc.)

Generate a Random Password

11 Oct 2013 by ASP.NET Community

This is simple and effective method for generation of a random password Public Function GeneratePassword(ByVal PwdLength As Integer) As String

Generate a random string in C

19 Dec 2017 by Lilyanaa

Hi, in this code I'm generate random number in specific range, but I want the out put of array must be l101 l101 l102 l104 I mean adding the word "host" to every number that is generate randomly, how can do this please?? I'm sorry about my bad english What I have...

Generate a random string in C

19 Dec 2017 by OriginalGriff

Quote: No, I want array must have "host101"... Your array can't hold values like "host101" - it can only hold integers. In order to get it to hold strings, you need to change it to an array that holds char pointers: char* a[50]; And then use malloc[^] to allocate space for each string inside...

Generate a random string in C

19 Dec 2017 by Rick York

Assuming you have a random room number generated, you can make the string like this : char buffer[16]; sprintf( buffer, "host%d", roomNumber ); To generate the random room number I would use this : int GetRandomValue( int minval, int maxval ) { int span = maxval - minval; int rval...

Generate images from text on clicking a button using C#

24 Jan 2017 by Member 12324523

I need to generate images randomly on button click using c# private Image DrawText(String text, Font font, Color textColor, Color backColor){ //first, create a dummy bitmap just to get a graphics object Image img = new Bitmap(1, 1); Graphics drawing =...

Generate images from text on clicking a button using C#

24 Jan 2017 by OriginalGriff

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.Try it yourself, you may find it...

Generate images from text on clicking a button using C#

24 Jan 2017 by Patrice T

We do not do your HomeWork.HomeWork is not set to test your skills at begging other people to do your work, it is set to make you think and to help your teacher to check your understanding of the courses you have taken and also the problems you have at applying them. Any failure of you will...

Generate random float number and store it inside a variable

16 Oct 2022 by Richard MacCutchan

See Random Class (System) | Microsoft Learn[^].

Generate random float number and store it inside a variable

18 Oct 2022 by Manojkumar-dll

Finally found it var result= "0"; if(Desired condition>0) { Random random = new Random(); double val = (random.NextDouble() * (max - min)...

Generate random float number and store it inside a variable

18 Oct 2022 by Manojkumar-dll

I want to generate random float numbers ranging 0.0 to 1.5 and to store it inside a variable the values should store inside the variable under certain condition like in What have you tried? section apology for my poor explanation i tried my...

Generate random numbers and add to the list

13 Jun 2021 by Member 15170612

I am trying to create an application in which I will be offered three answer options (radiobuttons) one will be correct (assigned from the result) but the other two should be randomly generated and different from the correct. It occurred to me to...

Generate random numbers and add to the list

10 Jun 2021 by OriginalGriff

Simplest way is to make a generic method which accepts a list and "shuffles" them: place all the questions (correct and incorrect) in a List and pass it to the method. private List Shuffle(List input) { ...

Generate random numbers in C#

17 Jun 2017 by Member 13264936

hi. how can i generate n random number between (a) and (b) that are around a number like (x)? What I have tried: hi. how can i generate n random number between (a) and (b) that are around a number like (x)?

Generate random numbers in C#

17 Jun 2017 by Michael_Davies

Google is your friend, lots of answers and details; Random random = new Random(); int randomvalue = random.Next(a, b + 1); What do you mean by "on a number like (x)"?

Generate random numbers in C#

17 Jun 2017 by RickZeeland

See this example: [dotnetperls]

Generate random numbers in C#

17 Jun 2017 by Patrice T

Quote: how can i generate n random number between (a) and (b) that are around a number like (x)? C# have random function, first step is to read the documentation.

Generate random password with user defined length and randomized with letters, numbers & symbols

24 May 2022 by Manbir Singh 2022

I'm writing a code for Random Password generator where user should have an ability to select the length of password from pre-defined range (15,25) and code will generate random password using letters, numbers and symbols. If a user enters a...

Generate random password with user defined length and randomized with letters, numbers & symbols

24 May 2022 by CHill60

Look at the line random_char = random.choice(letters) + random.choice(numbers) + random.choice(symbols) For every iteration of the loop you are adding three characters to the array. You could change your loop to be something like for char in...

Generate random password with user defined length and randomized with letters, numbers & symbols

24 May 2022 by OriginalGriff

The way I do it is simple - just use a GUID: uuid — UUID objects according to RFC 4122 — Python 3.10.4 documentation[^] Create it as a Hex string and you get something like this: 11069f3e-bc2b-469c-ab00-2297d1c7e07f Use that as a password and...

Generate random password with user defined length and randomized with letters, numbers & symbols

24 May 2022 by Richard MacCutchan

You need to select either letters or numbers or symbols each time, not all three. Here is a sample that will do that automatically: import random letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q',...

Generating 2 random prime number in C#

21 Oct 2019 by HitsugayaHisagi

Would like to ask, how do I generate 2 random numbers and then check if it is a prime? I would like to generate both and check them all in one click. I tried to write the code in C# but there are some invalid arguments. Here is my code.protected void btnstart_Click(object sender, EventArgs...

Generating 2 random prime number in C#

2 Feb 2016 by CPallini

I would do the opposite, that is directly random generate a prime number. You know, under 10,000,000,000 there are 455,052,511 prime numbers (see How many primes are there?[^]) so you can randomlly choose r between 0 and 455,052,510 and then use the rth prime number. Possibly a pre-computed ...

Generating 2 random prime number in C#

5 Feb 2016 by BillWoodruff

The problem in your code is that you call 'CheckIfPrime passing it a 'BigInteger, but its parameter is: 'int.There's also a problem in that the Math library 'Sqrt Function will not accept Type 'BigInteger. You can work around that with this:BigInteger sqrt =...

Generating 2 random prime number in C#

3 Feb 2016 by Patrice T

Your code have numerous problems.One of them is efficiency, here is your code and 2 trivial changes: public bool CheckIfPrime(int n) //to check if the random number generated is prime { var isPrime = true; var sqrt = Math.Sqrt(n); for...

Generating 2 random prime number in C#

6 Feb 2016 by HitsugayaHisagi

So I've tried this code, and it works okay to me. Random rand = new Random(); BigInteger p = BigInteger.genPseudoPrime(128, 10, rand); txtP.Text = p.ToString(); Random rand2 = new Random(); BigInteger q = BigInteger.genPseudoPrime(128,...

Generating 2 random prime number in C#

21 Oct 2019 by Member 12696135

OK, Just throwing this out there... EASY PRIME GENERATION IN C#.NET I think this approach will be far more useful to most readers than some of the suggestions above. Forgive me, but after reading this thread I figured that this little trick is sorely missing from the discussion. I don't...

Get a non-repeating random number

8 Feb 2021 by Mohammad Shaheen

i want mathematical equation or function to get number between two number .. for example the two number is 5 and 10 .. when i send 5 will make process and returned number for example 7 this result will not be repeated .. and when i send 8 . will...

Get a non-repeating random number

21 Mar 2020 by Patrice T

Quote: i want mathematical equation or function to get number between two number Short answer is "it does not exist". Both requests are mutually exclusive. The closest thing is a "shuffle" algorithm, just like you shuffle a deck of playing cards...

Get a non-repeating random number

21 Mar 2020 by OriginalGriff

Random numbers are just that: random. And that means that the next number returned by a generator does not rely on previous results at all: it is as likely to generate any number in the sequence each time you try to get a new random number. And...

Get a non-repeating random number

8 Feb 2021 by Member 15067916

I searched and searched the internet and did not like the solutions I was seeing. Yes, I saw the Fisher-Yates Shuffle but its like greek to me. I wanted a simpler, easy to follow solution that was more how it would happen in the real world (ie....

Get Random Unique Number in c#

14 May 2014 by agent_kruger

How to get random unique numbers between any 2 numbers in c# without storing and checking the previous output?Please see the below link for an example:-https://adf.ly/msz2d[^]Thanks in advance

Get Random Unique Number in c#

13 May 2014 by CPallini

Short answer: you cannot.If you can, use a GUID for that.

Get Random Unique Number in c#

13 May 2014 by Prasad Avunoori

static void Main(string[] args) { var r = new Random(); Console.WriteLine(r.Next(50)); Console.ReadLine(); }

Get Random Unique Number in c#

13 May 2014 by phil.o

Technically, there is a Next method on the Random class which allows you to specify bounds for your random number.Here: Random.Next Method (Int32, Int32)[^]Beware!- The first parameter (minValue) is inclusive, whereas the second (maxValue) is exclusive.It means that, if you want a...

Get Random Unique Number in c#

13 May 2014 by Murali0195

Hi...How+generate+random+num...

Get Random Unique Number in c#

14 May 2014 by Emre Ataseven

Guid creates random values but you can't set a range for them and they won't be numeric.Not an efficient way, also causes extra memory consumption but it may be useful if your range is relatively narrow.Create a list of int that starts with your small number till your big number....

Get Random Unique Number in c#

14 May 2014 by balajidileepkumar

namespace ConsoleEnum{ public class host { [STAThread] static void Main(string[] args) { List getrandom1 = Enumerable.Range(0, 100).ToList(); for (int i =0;i

Get Random Unique Number in c#

14 May 2014 by johannesnestler

Hi Agen_Spock,It seems you are not getting it (concluded from your variouse comments)...If you don't store which numbers (of any set you wish your random numbers to come from e.g. 1-50) are already used, you can not know if the number is unique - Can you agree on that?So your whole...

Get Random Unique Number in c#

14 May 2014 by Philippe Mori

As other as mentionned, it is essentially impossible to achieve that. Either, you have to use a know sequence that happen to be unique (in that case you still need to know where you are).It would be possible to do it wihout storing previous values if you use a seed for the random generator...

Get Random Unique Number in c#

14 May 2014 by Member 10272815

Depending on your definition of random, this could work. To make it more random instead of using a fixed group size it could be randomly evalutated each pass through the loop. int[] GenerateRandom(int minimum, int maximum, int count) { int[] ret = new...

Having difficulty with random object in C#

28 Nov 2021 by Grelm

Hello, I'm making a number guessing game in C# for homework. When I run it, if the guess is lower or higher than the random number, it just loops "Guess higher" or guess lower". Any help would be appreciated. using System; namespace...

Having difficulty with random object in C#

28 Nov 2021 by Grelm

Figured it out! static void Problem3() { Random random = new Random(); int numNums = 2; int GuessCount = 1; int current = 0; Console.WriteLine("Enter amount of numbers to guess...

How can I change IF-statment to WHILE loop?

15 Jun 2021 by Member 15170612

Hi, I have a question. How do I convert an IF-statement to a WHILE loop without doing an infinite loop? Every time I tried it, I overloaded the computer and had to turn it off.And when I use the IF condition, it doesn't solve my problem at all,...

How can I change IF-statment to WHILE loop?

15 Jun 2021 by lmoelleb

Learn to debug. It is simple, and the time investment pays of immediately. I understand that it might seem like "I have a lot to learn, so I will put that off and learn it later - for now I just want my program working", but that is a REALLY bad...

How can I change IF-statment to WHILE loop?

15 Jun 2021 by Richard MacCutchan

while (failResult == resultNumber && failResult == wrongResult) A variable cannot be equal to two different values at the same time.

How can I generate a random hash function in java ?

28 Dec 2019 by Member 14549747

I'm working on a java project where I have a method that returns a hash function as a pair of integers a , b that exist in {1 , 2 , ... , 10000} and are picked randomly . To pick the random numbers I have an "rnd" variable . My problem is that I have learned that prime numbers are better for ...

How can I generate a random hash function in java ?

28 Dec 2019 by OriginalGriff

You don't use random values to generate a hash - the idea of a hash is that it is a smaller, simpler, easier-to-manipulate version of the original input. And that requires that the same input always gives the same hash value, which use of random numbers does not allow. Think about it: if a hash...

How can I multiply the random number by the current millisecond?

12 May 2021 by Member 15170612

Hello, I would like to ask if there is any simple way to multiply the random generated number by the current millisecond? In my WPF Application I generate two random numbers in quick succession and it happens to me that in most cases they are...

How can I multiply the random number by the current millisecond?

12 May 2021 by OriginalGriff

Repost: Deleted. Please do not repost your question; use the Improve question widget to add information or reformat it, but posting it repeatedly just duplicates work, wastes time, and annoys people. I'll delete this one.

How can I multiply the random number by the current millisecond?

12 May 2021 by OriginalGriff

The solution is simpler: don't use Random like that. Declare a single Random instance at class level (static is fine) and use that for both values: private static Random rand = new Random(); ... int maxprvni = 10; int...

How can I multiply the random number by the current millisecond?

12 May 2021 by Abeer Joshi

Yeah that helped me too, thanks everyone :)

How can I set division without residue?

20 May 2021 by Member 15170612

Hello, how can I set my WPF Application with random generator number for division without residue? I try to create a math game in which the user chooses the math operation he wants to calculate, then he chooses what level he wants. Addition,...

How can I set division without residue?

3 May 2021 by CPallini

A very approach is by construction: Randomly generate the second (integer) number, say n2. Randomly generate an integer factor, say f. Let the first number, say n1, be equal to second number multiplied by the factor f (namely n1 = n2 * f)