Fun Coding Exercise: Pyramid Slide Down
Sharing a fun coding exercise I came across and what the solution taught me. Plus, a few bonus steps you can take in the solution, too.
Hi, I'm Kyle Shevlin! I'm a software engineer with expertise in React , Astro, TypeScript and frontend web development.
I am also a writer, speaker and coding instructor. This is my personal site where I share all the content I create.
I write articles and create courses that focus on breaking software concepts down to their fundamentals. Check out one of my posts or courses. If you like what you read, then sign up for my newsletter, too.
I hope you enjoy your time here and thank you for visiting.
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I've written a lot of posts over the years! Here are a few collections I have hand-selected as good starting points to my writing. Click one to see all the posts in that category.
Recent Posts
Displaying the latest 10 of 133 posts
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- Algorithm: Sliding WindowLet's learn a technique useful in string or array problems called the 'sliding window', where we use two pointers to expand and contract a subview of our data.
- The Consciousness LotteryFor years now, I've been using the phrase “the consciousness lottery” in conversation and I wanted to put it into writing finally. Come learn what it is and why you should add it to your vernacular.
- How I Built “Test Your Focus”In my previous post, I used a "Test Your Focus" mini-game as a metaphor for describing my ADHD. Let's learn how to build it using React.
- What ADHD Feels Like to MeWhile we have made great progress in understanding ADHD, it can still be difficult for some to grasp the impact it has on those who struggle with it. Let me show you what having ADHD sometimes feels like to me with a simple interactive game.
- Prefer Explicit MapsSometimes we write unnecessary complexity without realizing it. Let's see how we often do this with ternaries and learn how using a map will remove complexity and improve maintainability.
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gitWorkflow for RefactoringRefactoring is a key part of my development process. Let me show you thegitworkflow I use to make refactoring just another step in building features or other code changes. - Never Call
new Date()Inside Your ComponentsCalling impure functions with side effects likenew Date()orMath.random()is a disaster waiting to happen. Learn what to do instead. - Composable FlourishesLearn how we can use composition to create subtle, pleasant animations that can be used on any component in our applications.
- Prefer Alphabetized Object KeysSmall efforts can add up to big gains, given enough time. That's how I feel about alphabetizing my object keys. By always sorting them, I increase the speed at which I can read, and even write, code.
