Writing a Sleigh Authentication in Python
The challenge
Christmas is coming and many people dreamed of having a ride with Santa’s sleigh. But, of course, only Santa himself is allowed to …
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In-depth guides, insights, and best practices for modern software engineering
Solving for Multiple of Index in Python
The challenge
Return a new array consisting of elements which are multiple of their own index in input array (length > 1).
Examples:
[22, -6, 32, …
Read Article →How to Find an item’s Alphabet Position in Python
The challenge
When provided with a letter, return its position in the alphabet.
Input :: “a”
Ouput :: “Position of alphabet: …
Read Article →How to Keep up the Hoop in Java
The challenge
Alex just got a new hula hoop, he loves it but feels discouraged because his little brother is better than him
Write a program where …
Read Article →Will there be Enough Space in Java
The challenge
Bob is working as a bus driver. However, he has become extremely popular amongst the city’s residents. With so many passengers …
Read Article →How to Swap Node Pairs In Linked List in Java
The challenge
If you are given the head node in a linked list, write a method that swaps each pair of nodes in the list, then returns the head node of …
Read Article →How to Solve ‘Finding Neo’ in Java
The challenge
Neo is somewhere in the Matrix.
public interface Matrix {
public int size();
public int get(int x, int y);
}
You are Morpheus, and …
Read Article →How to Solve a Pandigital Sequence in Java
The challenge
In mathematics, a pandigital number is a number that in a given base has among its significant digits each digit used in the base at …
Read Article →How to get Meta-Data information from an AWS EC2 Instance
If you need to query meta-data information from your running EC2 instance, you can curl the following location:
curl …How to write a Lazy Repeater Helper in Python
The challenge
The make_looper() function takes a string (of non-zero length) as an argument. It returns a function. The function it returns will …
How to write a String Case Conversion Helper in Python
The challenge
In this challenge, you will make a function that converts between camelCase, snake_case, and kebab-case.
You must write a function that …
Read Article →How to create Interleaving Arrays in Python
The challenge
Create a function, that accepts an arbitrary number of arrays and returns a single array generated by alternately appending elements …
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