How to Calculate Transport on Vacation in Java
The challenge
After a hard quarter in the office you decide to get some rest on a vacation. So you will book a flight for you and your girlfriend and …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
Playing with the letter ‘E’ in Java
The challenge
Given String str, return:
- If given String doesn’t contain any “e”, return: “There is no “e”.” …
How to Sum the Average for NBA Players in Golang
The challenge
Write a function, called sumPPG, that takes two NBA player objects/struct/Hash/Dict/Class and sums their PPG
iverson := NBAPlayer{ …How to Compute a Cube as Sums in Golang
The challenge
You will be given a number n (where n >= 1) and your task is to find n consecutive odd numbers whose sum is exactly the cube of n. …
The Deaf Rats of Hamelin Challenge in Java
The challenge
The Pied Piper has been enlisted to play his magical tune and coax all the rats out of town.
But some of the rats are deaf and are going …
Read Article →How to Find the Next Perfect Square in Java
The challenge
You might know some pretty large perfect squares. But what about the NEXT one?
Complete the findNextSquare method that finds the next …
How to Find the Unique String in Python
The challenge
There is an array of strings. All strings contain similar letters except one. Try to find it!
find_uniq([ 'Aa', 'aaa', …How to convert a PascalCase string into snake_case in Python
The challenge
Complete the function/method so that it takes a PascalCase string and returns the string in snake_case notation. Lowercase characters …
How to Convert a Hex String to RGB in Python
The challenge
When working with color values it can sometimes be useful to extract the individual red, green, and blue (RGB) component values for a …
Read Article →How to Create a Hashtag Generator in Python
The challenge
Write a hashtag generator function that takes a string and returns a #HashCodeString of it.
The hashtag generator should perform the …
Read Article →How to Move Zeros to the End in Python
The challenge
Write an algorithm that takes an array and moves all of the zeros to the end, preserving the order of the other elements.
move_zeros([1, …Regex for Gregorian Date Validation in Python
The challenge
Write a regular expression that validates the gregorian date in the format “DD.MM.YYYY”
Correct date examples: …
Read Article →