At the end of 2019 I promised that 2020 will be all about my YouTube channel. So that's what I did. 😃 On the first day of January I started the #31Days31Videos challenge in which I had to upload a video on my channel, every single day, for the…
Some of you might know, last week I created a challenge for myself together with my wife: I had to make $200 💰 in 4 days using my programming skills. I started by having 0 projects / 0 clients, so I had to find some gigs to finish this challenge…
Problem description Given a string, count the number of occurrences of all of its letters. Some cases: Before reading forward, make sure you first try to solve the problem yourself. When you're done you can come back and see how I'm going to solve…
A coding challenge from Codewars. Problem description Polycarpus works as a DJ in the best Berland nightclub, and he often uses dubstep music in his performance. Recently, he has decided to take a couple of old songs and make dubstep remixes from…
In this article we are going to go over a coding challenge from Codewars. Problem description Return a new array consisting of elements which are multiple of their own index in input array (length > 1). Some cases: It's a simple problem, but we'll…
In this article we are going to go over another problem from Codewars. Problem description Divisors of 42 are : 1, 2, 3, 6, 7, 14, 21, 42. These divisors squared are: 1, 4, 9, 36, 49, 196, 441, 1764. The sum of the squared divisors is 2500 which is…
It's been a while since I did a JavaScript Coding Challenge so I thought that I should bring it back this Friday (let me know if you like these and I'll add a new one each Friday). 😄 I searched on Codewars and found a challenge to Create a Phone…
I promised in the last article that we're going to have a look at how to solve the Regular Brackets problem with multiple types of brackets, and as I said last time we're going to use a data structure called: the STACK. 😄 In computer science, a…
Today we're going to take a look at a very common challenge used in job interviews. This challenge is inspired by CodeSignal. Let's see what it says: A bracket sequence is called regular if it is possible to insert some numbers and signs into the…
It's Friday, so it's time to get comfortable, weekend is coming 🙌, and for today we have a very easy JCC (JavaScript Coding Challenge)! Here is another easy, and beautiful 😇 challenge from HackerRank: Lily likes to play games with integers. She has…
A couple of days ago I received and email from HackerRank. They invited me to solve one of their challenges so... That's what we're going to do now! You are in charge of the cake for your niece's birthday and have decided the cake will have one…
Today we're going to solve another Coding Challenge. This one is categorized as: "intermediate" Coding Challenge. Uuuuuh Personally I don't think that this is that much of an "intermediate" challenge, but... doesn't really matter, the important…
Some of you might not know the following thing about me: I LOVE CODING CHALLENGES and I've been "playing" around with them for a long time now... This helped me pass multiple Coding Interviews with ease for some really interesting Job Interviews (if…