---
title: "Dennis kestone (@Kestone) | Hashnode"
description: "Software developer. Read the latest articles by Dennis kestone on Hashnode."
url: "https://hashnode.com/@Kestone"
---

@Kestone

# Dennis kestone

@Kestone · Joined August 2020

Software developer

### [Average of an array](https://denniskestone.hashnode.dev/average-of-an-array?utm_source=hashnode&utm_medium=feed)

Find the average of an array with ease. Simple and efficient method to calculate the mean value.Find out how to calculate the average of an array with our

2 min read · [denniskestone.hashnode.dev](https://denniskestone.hashnode.dev/average-of-an-array?utm_source=hashnode&utm_medium=feed)

[Oct 2, 2023](https://hashnode.com/posts/average-of-an-array/651acec1dc2bbbbe88557c44)

### [Square Every Digit](https://denniskestone.hashnode.dev/square-every-digit?utm_source=hashnode&utm_medium=feed)

This is a simple code wars kata I did today. DESCRIPTION: Welcome. In this kata, you are asked to square every digit of a number and concatenate them. For example, if we run 9119 through the function, 811181 will come out, because 92 is 81 and 12 is ...

1 min read · [denniskestone.hashnode.dev](https://denniskestone.hashnode.dev/square-every-digit?utm_source=hashnode&utm_medium=feed)

[Aug 17, 2023](https://hashnode.com/posts/square-every-digit/64ddd8eb7d0245a1f7577dbb)

### [The vowel case](https://denniskestone.hashnode.dev/the-vowel-case?utm_source=hashnode&utm_medium=feed)

Solving code wars kata problem: replacing vowels with numbers. In this problem, we are required to replace vowels in a given string with some numbers and reverse it if required. Here is the problem: Step 1: Create a function called encode() to replac...

2 min read · [denniskestone.hashnode.dev](https://denniskestone.hashnode.dev/the-vowel-case?utm_source=hashnode&utm_medium=feed)

[Aug 3, 2023](https://hashnode.com/posts/the-vowel-case/64cb6b8122a1e7160df75fda)

### [Extract the domain name from a URL](https://denniskestone.hashnode.dev/extract-the-domain-name-from-a-url?utm_source=hashnode&utm_medium=feed)

Code wars solution.

1 min read · [denniskestone.hashnode.dev](https://denniskestone.hashnode.dev/extract-the-domain-name-from-a-url?utm_source=hashnode&utm_medium=feed)

[Jul 28, 2023](https://hashnode.com/posts/extract-the-domain-name-from-a-url/64c3b84cab36f0b29c15e4b7)

### [Pure functions in functional programming.](https://denniskestone.hashnode.dev/pure-functions-in-functional-programming?utm_source=hashnode&utm_medium=feed)

Pure functions in a nutshell.

4 min read · [denniskestone.hashnode.dev](https://denniskestone.hashnode.dev/pure-functions-in-functional-programming?utm_source=hashnode&utm_medium=feed)

[Dec 8, 2021](https://hashnode.com/posts/pure-functions-in-functional-programming/61b36be4b055806a4b00cec1)