Questions tagged [random]
This tag is for questions pertaining to random numbers, whether pseudo random or truly random.
812 questions
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Simple random password generator in c#
A simple random password generator in C#. Looking for any improvements around speed or design. Any char[] can be passed to choose random chars from. The array I ...
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2
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1
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Program to get all possible words from a set of letters
I wrote this code below to get all possible words for an array containing \$n\$ letters.
The logic of the code is that the letters of the array are mixed up in random positions and checks if this ...
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Ruby Array#own_shuffle method
I have tried to implement the Array-shuffle method myself. Haven't had a look on some similar algorithm-examples by purpose and tried to figure out something myself.
The actual Array-extension:
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Team picker command line application
I've made a program for randomly splitting game participants into different teams. The code works and solves the problem. I'm interested in advice on what you'd do differently or better.
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backward induction algorithm computation
Is there a way to significantly speed-up this code?
I'm solving a dynamic programming model using a backward induction algorithm. A crucial step is to calculate the current-period value function (VF), ...
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1
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randi Template Function Implementation for Image in C++ (Rev.3)
This is a follow-up question for An Updated Multi-dimensional Image Data Structure with Variadic Template Functions in C++, rand Template Function Implementation for Image in C++, randi Template ...
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randi Template Function Implementation for Image in C++ (Rev.2)
This is a follow-up question for An Updated Multi-dimensional Image Data Structure with Variadic Template Functions in C++, rand Template Function Implementation for Image in C++ and randi Template ...
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6
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1
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randi Template Function Implementation for Image in C++
This is a follow-up question for An Updated Multi-dimensional Image Data Structure with Variadic Template Functions in C++ and rand Template Function Implementation for Image in C++. I implemented <...
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Bubble sort with 10 random numbers
I want to make a bubble sorting algorithm of 10 random (non-repeating) numbers from 0-50. I changed many aspects of it while making it and finally got it to work, but I would like to see if there's ...
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3
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Number guessing game in Rust
I am learning Rust and would like a review to make sure I am following best Rust practices before continuing. The user enters a number between 1 and 100 up to 6 times to guess the randomly-generated ...
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A PCG-based random number generator that is interchangeable with System.Random
I took the basic structure from this link and wrote the following class.
Can you review the code?
Can you find a silent bug?
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6
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369
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rand Template Function Implementation for Image in C++
This is a follow-up question for An Updated Multi-dimensional Image Data Structure with Variadic Template Functions in C++. I am trying to mimic Matlab's rand function into TinyDIP library.
The ...
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4
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1
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Generating random bytes
I implemented a simple function that generated random bytes Vec<u8> with given n size. Then I wondered how can I optimize ...
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Cryptographically secure random int in range
I tried to make a cryptographically secure random int in range generator for javascript, practically the javascript equivalent of php's random_int(min,max):
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Typical password generator in Python
Password generators are extremely popular on CodeReview with beginners to both coding in general and Python in particular, for a number of reasons:
They're (seemingly) easy to implement
They offer an ...