How to Split a String with Python
Splitting a string in Python is really easy.
You simply take a string and apply the split() method.
"Your String".split()
See some examples …
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In-depth guides, insights, and best practices for modern software engineering
How to fix the Terraform stuck on “Refreshing state…” problem
Terraform is a fantastic tool to help automate your infrastructure as code.
Quite a few times however, I have noticed a few strange issues, one of …
Read Article →The “Split Strings” Challenge using Java
The challenge
Complete the solution so that it splits the string into pairs of two characters. If the string contains an odd number of characters then …
Read Article →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 …
Read Article →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
Read Article →"7777…8?!??!", exclaimed Bob, "I missed it again! Argh!" Every time there's an interesting number coming up, he notices …
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 →Get the Sum of Digits / Digital Root using Java
The challenge
Digital root is the recursive sum of all the digits in a number.
Given n, take the sum of the digits of n. If that value has more than …
How to write a Chain Adding Function in Python
The challenge
We want to create a function that will add numbers together when called in succession.
add(1)(2);
# returns 3
We also want to be able to …
Read Article →Get the next biggest number with the same digits using Python
The challenge
Create a function that takes a positive integer and returns the next bigger number that can be formed by rearranging its digits. For …
Read Article →Solving Tribonacci Sequence with Python
The challenge
As the name may already reveal, it works basically like a Fibonacci, but summing the last 3 (instead of 2) numbers of the sequence to …
Read Article →The Casino Chips Problem Solved with Python
The challenge
You are given three piles of casino chips: white, green and black chips:
- the first pile contains only white chips
- the second pile …
Check if Isogram using Python
The challenge
An isogram is a word that has no repeating letters, consecutive or non-consecutive. Implement a function that determines whether a …
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