How to Copy a File in Python
In this tutorial, you will learn how to copy a file using Python from a directory to another directory, or if you’re on Windows, then from a …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
Conway’s Game of Life – Unlimited Edition – in Python
What is this?
geeksforgeeks.org
How the game works
Because the Game of Life is built on a grid of nine squares, every cell has eight neighboring …
Read Article →Most frequently used words in a text with Python
The challenge
Write a function that, given a string of text (possibly with punctuation and line-breaks), returns an array of the top-3 most occurring …
Read Article →The SongDecoder Dubstep Challenge with Java
The challenge
Polycarpus works as a DJ in the best Berland nightclub, and he often uses dubstep music in his performance. Recently, he has decided to …
Read Article →Break camelCase Challenge in Java
The challenge
Complete the solution so that the function will break up camel casing, using a space between words.
Example …
Read Article →Sort Binary Tree by Levels using Python
The challenge
You are given a binary tree:
class Node:
def __init__(self, L, R, n):
self.left = L
self.right = R …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 …
Read Article →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= …