Converting to PigLatin with Python
The challenge
Move the first letter of each word to the end of it, then add “ay” to the end of the word. Leave punctuation marks …
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In-depth guides, insights, and best practices for modern software engineering
Solving the “Double Cola” Challenge using Java
The challenge
Sheldon, Leonard, Penny, Rajesh and Howard are in the queue for a “Double Cola” drink vending machine; there are no other …
Read Article →Convert Seconds to Human Readable Time (HH:MM:SS) using Java
The challenge
Write a function, which takes a non-negative integer (seconds) as input and returns the time in a human-readable format (HH:MM:SS)
HH= …
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 →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 …
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