Solving the “Mexican Wave” Challenge using Java
The challenge
Task
Your task is to create a function that turns a string into a Mexican Wave. You will be passed a string and you must return that …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
Multiples of 3 and 5 with Python
The challenge
This multiples of 3 and multiples of 5 challenge is a variation of the common FizzBuzz question.
If we list all the natural numbers …
Read Article →Solving the “Catching Car Mileage Numbers” Challenge using Python
The challenge
Let’s make it so Bob never misses another interesting number. We’ve hacked into his car’s computer, and we have a box …
Read Article →Counting smiley faces with Python
The challenge
Given an array (arr) as an argument complete the function countSmileys that should return the total number of smiling faces.
Rules for a …
Read Article →Convert String to Camel Case using Java
The challenge
Complete the method/function so that it converts dash/underscore delimited words into camel casing. The first word within the output …
Read Article →How to Setup an SSH Server on AWS
Basic instructions on how to set up an SSH server on an Ubuntu 16.04/18.04 EC2 instance.
Step 1 – Create a New User
sudo adduser testuser
Step 2 – …
Read Article →How to Convert Numeric Words into Numbers using Python
Challenge
Using Python, we want to convert words into numbers. In this challenge, we will explore how to convert a string into an integer.
The strings …
Read Article →Solve The Triangle of Odd Numbers using Python
The challenge
Given the triangle of consecutive odd numbers:
1
3 5
7 9 11
13 15 17 19
21 23 …“Who likes it” code Challenge in Python
The Challenge
You probably know the “like” system from Facebook and other pages. People can “like” blog posts, pictures or …
Read Article →Python 4 New Features Planned
It took the Python community a long time to move from Python 2 to Python 3. Now as we approach the possible end of Python 3 version history, we are …
Read Article →Custom RGB To Hex Conversion with Python
The challenge
The rgb function is incomplete. Complete it so that passing in RGB decimal values will result in a hexadecimal representation being …
Read Article →Sort a Java Integer in Descending Order
The challenge
Your task is to make a function that can take any non-negative integer as an argument and return it with its digits in descending order. …
Read Article →