Become a better front-end web developer with our ridiculously clear content and friendly community! https://www.kirupa.com/ Learn what Merkle trees are, how they work, and why this elegant data structure is critical to Git, blockchains, cloud sync, and secure systems at scale. https://www.kirupa.com/data_structures_algorithms/understanding_merkle_trees.htm Sun, 1 Feb 2026 4:05:00 PST Kirupa Chinnathambi and Elisa Cundiff discuss how AI is transforming computer science education, the role of critical thinking, and the shifting value of a CS degree in today’s tech landscape. https://www.kirupa.com/podcast/elisa_ai.htm Sun, 9 Nov 2025 11:24:00 PST Learn about MCP and what makes it the "USB-C for AI". https://www.kirupa.com/podcast/den_mcp.htm Sun, 5 October 2025 10:51:00 PST Vibe coding can help you go far, but the best winning combination is one where you combine vibe coding with deep expertise of what good code should look like. https://www.kirupa.com/ai/vibe_coding_expertise_win.htm Tue, 26 August 2025 8:38:00 PST Learn the necessary animation techniques to turn our static grid into an animated one, with DPI and frame-rate awareness built-in. https://www.kirupa.com/canvas/animating_grid.htm Mon, 4 August 2025 7:44:00 PST Master negabinary (base –2) with visual examples! Learn how to count, convert, and do math without sign bits in this fun guide to negative-base numbers. https://www.kirupa.com/hodgepodge/counting_negabinary.htm Wed, 16 June 2025 9:53:00 PST Up your cool game by learning all about our base-2 and base-16 friends, the binary and hexadecimal numbers. https://www.kirupa.com/hodgepodge/counting_binary_hexadecimal.htm?new=yes Wed, 14 May 2025 3:03:00 PST Hi everybody - In my latest chat, meet Pascal Pixel - a very talented designer, developer, and solopreneur. He has been tinkering in this space from a very early age and has a slew of fantastic projects that he can assign his name to, including his current project, the uniquely named Horse Browser. https://www.kirupa.com/podcast/pascal.htm Sat, 19 Apr 2025 2:59:00 PST With AI, is everything we are learning (or have learned) destined to be relegated to a "trivial knowledge" heap? https://www.kirupa.chat/p/do-we-really-need-to-know-how-things Sat, 2 Apr 2025 2:51:00 PST Ensure crisp and sharp lines by understanding the relationship between line position and line thickness/width. https://www.kirupa.com/canvas/drawing_sharp_lines_canvas.htm Sat, 15 Mar 2025 5:57:00 PST The KIRUPA site serves its millions of visitors from a toaster in the basement of an empty warehouse. To find out how much of this is true, you'll have to read on. https://www.kirupa.com/about/kirupa_tech_stack.htm Fri, 14 Mar 2025 6:02:00 PST Learn how to quickly check if a value exists in a ridiculously large collection of data by using the world's favorite little probabilistic data structure, the Bloom filter. https://www.kirupa.com/data_structures_algorithms/bloom_filter.htm Mon, 3 Mar 2025 8:05:00 PST Learn all about what hash functions are and how they work to keep hashtables (and related data structures) running, protect your passwords, verify downloads, and keep the digital world running smoothly. A clear explanation of hashing for everyone...and their pets! https://www.kirupa.com/data_structures_algorithms/hash_functions_deep_dive.htm Mon, 17 Feb 2025 11:33:00 PST A fun coding exercise that goes deep into advanced Canvas-related JS topics. https://www.kirupa.com/codingexercises/advanced_glitch_effect.htm Sun, 26 Jan 2025 1:00:00 PST As Generative AI becomes faster and better, does the world need content creators? https://www.kirupa.chat/p/ai-killed-the-content-creatorstar Mon, 06 Jan 2025 4:48:00 PST Learn how to measure the distance between two points by using the Pythagorean theorem. https://www.kirupa.com/html5/using_the_pythagorean_theorem_to_measure_distance.htm Sat, 04 Jan 2025 3:38:00 PST Learn a clever approach towards detecting browser zoom changes by using the browser size and viewport size to help! https://www.kirupa.com/javascript/detecting_browser_zoom_changes.htm Fri, 03 Jan 2025 6:05:00 PST Learn how to take a simple grid and modify it to take up all available space in the browser. As always, some surprises await! https://www.kirupa.com/canvas/creating_a_fullscreen_grid.htm Wed, 25 Dec 2024 8:17:00 PST Learn how to create crisp, responsive grids using the HTML5 Canvas and JavaScript. We cover all sorts of fun stuff like grid mathematics, DPI handling, and a boatload more. https://www.kirupa.com/canvas/drawing_perfect_grid.htm Wed, 18 Dec 2024 7:10:00 PST Learn essential CSS techniques, scaling strategies, and design principles that preserve the crisp, totally-cool aesthetic of pixel art across high-resolution displays and responsive web environments. https://www.kirupa.com/hodgepodge/preserving_pixel_art_aesthetics.htm Mon, 9 Dec 2024 8:23:00 PST Learn how to implement some sweet downsampling techniques to ensure what we create on the canvas looks sharp and crisp even on high-DPI screens. https://www.kirupa.com/canvas/canvas_high_dpi_retina.htm Sat, 16 Nov 2024 10:34:00 PST Learn how the Sieve of Eratosthenes algorithm finds prime numbers using a simple sifting technique, similar to a kitchen sieve. Includes step-by-step visualization, JavaScript implementation, and beginner-friendly explanation of this ancient yet powerful mathematical method. https://www.kirupa.com/data_structures_algorithms/finding_prime_numbers_sieve_of_ertatosthenes.htm Thu, 7 Nov 2024 03:08:00 PST In this video, you'll learn how to create, access, and manipulate 2D arrays in JavaScript using both traditional as well as modern ES6-based approaches. https://www.youtube.com/watch?v=a7JAvQeqB8g Mon, 28 Oct 2024 09:20:00 PST Learn how to create, access, and manipulate 2D arrays in JavaScript. Discover practical examples, visualization techniques, and modern ES6 approaches for working with multi-dimensional data. https://www.kirupa.com/javascript/2d_arrays.htm Sat, 19 Oct 2024 05:55:00 PST The Cluster Growth Animation is a great example of an animation that mimics biological processes instead of following the more common physics-based path. https://www.kirupa.chat/p/animations-from-biology-to-javascript Sun, 13 Oct 2024 07:29:00 PST What you do early in your career compared to what you do later in your career has some strong overlap. The output will change, but the core building and designing activities will not. Let's dive into this. https://www.kirupa.com/pm_and_beyond/always_be_designing_building.htm Wed, 2 Oct 2024 03:56:00 PST Learn how to recreate a biological cell growth simulation using JavaScript and HTML5 Canvas. This comprehensive guide covers the conceptual foundations of cluster growth, explains the implementation details step-by-step, and provides insights on customizing the animation's appearance. Perfect for web developers interested in creative coding and simulating natural phenomena. https://www.kirupa.com/animations/cluster_growth_animation.htm Fri, 27 Sep 2024 08:15:00 PST Meet Timsort, a hybrid sorting algorithm used in Python and Java. This beginner-friendly guide breaks down its workings, advantages, and how to implement it for optimal performance. https://www.kirupa.com/sorts/timsort.htm Sat, 7 Sep 2024 12:19:00 PST Merge Sort is pretty great for sorting all sorts of values. Seriously! There isn’t a whole lot to say that is bad about it. It is performant with consistent O(n log n) time complexity, reasonable storage needs, and it also happens to be stable! https://www.kirupa.com/sorts/mergesort.htm Wed, 14 Aug 2024 08:55:00 PST Bubble sort is a simple sorting algorithm that repeatedly steps through a list, compares adjacent elements, and swaps them if they are in the wrong order. Learn all about it in this video https://www.youtube.com/watch?v=2eajOUeUwF0m Tue, 13 Aug 2024 09:19:00 PST Bubble sort is a simple sorting algorithm that repeatedly steps through a list, compares adjacent elements, and swaps them if they are in the wrong order. Learn all about what makes it tick and why we probably don't want to use it for larger datasets. https://www.kirupa.com/sorts/bubblesort.htm Wed, 07 Aug 2024 02:42:00 PST Confused about insertion sort? No worries! This video and article break it down step-by-step. You'll be sorting data like a pro using insertion sort in no time. https://www.kirupa.com/sorts/insertionsort.htm Tue, 06 Aug 2024 03:12:00 PST Learn all about selection sort and its intuitive, almost human-like, approach for sorting values. https://www.kirupa.com/sorts/selectionsort.htm Wed, 31 Jul 2024 09:11:00 PST Discover Radix Sort, a fast and efficient algorithm for sorting integers. This video explains how it works, its benefits, and why it is a better option than Counting Sort. https://www.youtube.com/watch?v=KJTyDYoiGU4 Fri, 26 Jul 2024 08:04:00 PST To grow in their career, why do many senior people switch jobs regularly? What is the secret to being successful early in your career? We cover all this and more in this article. https://www.kirupa.com/product_development/career_growth_secrets.htm Wed, 17 Jul 2024 08:36:00 PST Counting sort can be one of the fastest sorting algorithms...or it can be the slowest! In this in-depth video, we'll dive into what all of this means. https://www.youtube.com/watch?v=GPy_v4bLygw Mon, 1 Jul 2024 07:56:00 PST Let's explore the whimsical world of Bogosort, a sorting algorithm known for its sheer inefficiency and randomness! https://forum.kirupa.com/t/bogosort-sorting-in-the-slow-lane/667672 Wed, 19 Jun 2024 17:43:00 PST It’s easy to have a great idea. It’s easy to turn this great idea into a product. What is not easy is getting the timing right. Let's dive deeper into why timing is hard to figure out and describe some ways we can get better at it. https://www.kirupa.com/product_development/creating_perfect_timing.htm Wed, 19 Jun 2024 03:35:00 PST Redesign projects always start off with great fanfare, but very few such projects successfully cross the finish line. Let's talk about how to increase our chances of success here. https://www.kirupa.com/product_development/pulling_off_a_successful_redesign.htm Wed, 19 Jun 2024 11:44:00 PST Discover Radix Sort, a fast and efficient algorithm for sorting integers. This article explains how it works, its benefits, and provides clear implementation examples. https://www.kirupa.com/data_structures_algorithms/radix_sort.htm Tue, 4 Jun 2024 09:31:00 PST By default, counting sort does not work with negative values. It doesn't have to be that way, so let's look at why this is the case and how to fix it to work with both negative and positive values. https://www.kirupa.com/data_structures_algorithms/making_counting_sort_work_with_negative_values.htm Tue, 28 May 2024 03:21:00 PST Learn all about index positions and how they help us read, write, and manipulate data in our arrays. https://www.kirupa.com/javascript/deep_dive_array_index_positions.htm Thu, 23 May 2024 09:04:00 PST The (career) three-body problem is an impossible to solve puzzle where we try to find balance between competing objectives in our professional lives. https://www.kirupa.com/product_development/career_three_body_problem.htm Sat, 18 May 2024 03:51:00 PST Counting sort can be one of the fastest sorting algorithms...or it can be the slowest! In this in-depth tutorial, we'll dive into what all of this means. https://www.kirupa.com/data_structures_algorithms/counting_sort.htm Tue, 26 Mar 2024 07:53:00 PST To be effective as a Product Manager, you should work on problems you personally care about. Doing so makes your job as a PM much easier...and also more enjoyable! https://www.kirupa.com/pm_and_beyond/solve_problems_you_care_about.htm Sat, 23 Mar 2024 02:40:00 PST Think of a career mentor as your personal career friend and advisor, helping you reach your work goals. Let's talk about why it is important for you to find one! https://www.kirupa.com/pm_and_beyond/career_mentor.htm Sun, 17 Mar 2024 07:00:00 PST Learn to create a random walk simulation in JavaScript, exploring concepts, practical applications, and customization options for diverse simulations. https://www.kirupa.com/data_structures_algorithms/random_walk.htm?a=updated Tue, 12 Mar 2024 07:27:00 PST One of the most important skills for Product Managers to master is product strategy. It is a core requirement before a PM rises to the more senior ranks of the profession. Let's dive into this all-important topic further! https://www.kirupa.com/pm_and_beyond/what_is_product_strategy.htm Wed, 28 Feb 2024 10:33:00 PST What is the deal with 8K and what can we do to prepare ourselves for it? https://www.kirupa.com/hodgepodge/thinking_about_8k_resolution.htm Sun, 11 Feb 2024 05:50:00 PST Learn how to create this fun effect where we simulate us flying past endless stars in outer space. https://www.kirupa.com/animations/animated_3d_starfield_effect.htm Wed, 7 Feb 2024 09:08:00 PST Meet the default sorting algorithms used by popular programming languages! https://www.kirupa.com/data_structures_algorithms/default_sorting_algorithms.htm Mon, 29 Jan 2024 02:29:00 PST Explore the whimsical world of Bogosort, a sorting algorithm known for its sheer inefficiency and randomness. https://www.kirupa.com/data_structures_algorithms/bogosort.htm Wed, 24 Jan 2024 03:28:00 PST Learn how to use a remap function to transform a value from one range to another! https://www.kirupa.com/javascript/remap.htm Tue, 16 Jan 2024 08:09:00 PST Learning data structures and algorithms doesn't have to be a drag. It can be intuitive and fun, and I describe why my content may be just what you need! https://www.kirupa.com/data_structures_algorithms/introduction_book_tutorials.htm Sun, 14 Jan 2024 06:12:00 PST Part 1 of our deep dive into how well-reasoned economic policies led to a slowdown in the tech sector. https://www.kirupa.chat/p/tech-slowdown-explained-interest Wed, 29 Nov 2023 06:17:00 PST Learn how to draw any polygon, ranging from one with just a few sides to a bazillion sides, using a handy trigonometric technique involving a virtual circle. https://www.kirupa.com/canvas/easily_draw_any_polygon.htm Thu, 23 Nov 2023 10:15:00 PST Almost everything inside an inline SVG image is up for modification using CSS and JavaScript. Let's find out how by changing some colors! https://www.kirupa.com/web/changing_colors_svg_css_javascript.htm Mon, 23 Oct 2023 02:28:00 PST Learn what the stability property of sorting algorithms does and why it is important. https://www.kirupa.com/data_structures_algorithms/stability_sorting_algorithms.htm Thu, 5 Oct 2023 06:57:00 PST Learn the basics of how to take a div element and make it scrollable with our mouse or fingers. https://www.kirupa.com/web/creating_scrollable_div_area.htm Sun, 1 Oct 2023 01:20:00 PST Realistic animations are now closer than ever with the new linear() CSS easing function. https://www.kirupa.chat/p/realistic-css-animations-and-the Mon, 28 Aug 2023 09:08:00 PST Dive into the amazing world of recursion with the Sierpinski Triangle! Unravel the magic of patterns within patterns as we break down this cool concept visually. https://www.kirupa.com/data_structures_algorithms/visualizing_recursion_sierpinski_triangle.htm Sat, 26 Aug 2023 10:36:00 PST Learn all about how insertion sort and its simple approach to sorting data works. https://www.kirupa.com/sorts/insertionsort.htm Thu, 3 Aug 2023 06:33:00 PST Learn all about the quicksort algorithm in this beginner-friendly tutorial. Quicksort is a divide-and-conquer sorting algorithm that is known for its efficiency. This tutorial will walk you through the steps of quicksort, with clear explanations and examples. https://www.kirupa.com/sorts/quicksort.htm Wed, 2 Aug 2023 07:19:00 PST The Monty Hall problem is a probability puzzle where a counterintuitive strategy of switching doors teaches people the importance of understanding conditional probabilities and the advantage of updating their initial choices based on new information. https://www.kirupa.com/data_structures_algorithms/monty_hall_problem.htm Tue, 25 Jul 2023 10:29:00 PST Learn how to use stacks in JavaScript efficiently by exploring the fundamentals, implementation techniques, and real-world applications of this awesome LIFO structure. https://www.kirupa.com/html5/stacks_in_javascript.htm Mon, 24 Jul 2023 01:39:00 PST Learn all about how Depth-First Search (DFS) and Breadth-First Search (BFS) will allow you to fully traverse and explore a graph. Yes, you also have a fully functioning JavaScript implementation. https://www.kirupa.com/data_structures_algorithms/dfs_bfs.htm Wed, 12 Jul 2023 03:53:00 PST Learn the fundamentals of the graph data structure with this beginner-friendly tutorial. Discover how graphs model relationships, their relationship to Trees, and how to implement one fully in JavaScript. https://www.kirupa.com/data_structures_algorithms/graphs.htm Sun, 2 Jul 2023 09:58:00 PST Demystify the Big-O notation and its impact on helping us analyze the time and space complexity of a piece of code, an algorithm, or a data structure operation. https://www.kirupa.com/data_structures_algorithms/big_o_notation.htm Tue, 20 Jun 2023 09:06:00 PST Data structures are the fundamental building blocks of modern-day programming. Learn more about what they are and why they matter. https://www.kirupa.com/data_structures_algorithms/intro_data_structures_why.htm Wed, 14 Jun 2023 11:44:00 PST Master the art of efficient data manipulation and access with arrays, a foundational part of almost every programming language! https://www.kirupa.com/data_structures_algorithms/arrays_data_structure.htm Thu, 8 Jun 2023 09:22:00 PST Learn how hashtables leverage hashing functions to store and retrieve information with lightning-fast speed, ensuring constant-time performance for key-based operations. https://kirupa.com/data_structures_algorithms/hashtable_hashmap_dictionary.htm Sun, 4 Jun 2023 09:56:00 PST Unlock the power of the trie data structure with this comprehensive article that explores its inner workings, essential operations, and the myriad of ways it excels in applications like text processing, autocomplete systems, spell-checking algorithms, and countless scenarios involving string manipulation. https://www.kirupa.com/data_structures_algorithms/tries_prefix_tree.htm Mon, 29 May 2023 07:04:00 PST Generative AI isn't here to replace us. It is here to act as a force multiplier for our existing skills. Don't fight it. Embrace it. https://www.kirupa.chat/p/embracing-generative-ai-with-open Tue, 23 May 2023 03:12:00 PST With AI gaining increased capabilities around generating visuals and simplifying complex UI and UX tasks, what we see and how we interact with our computing devices is going to be very different in the future. To go deeper into the creative, technical, and societal impact of this, I chat with Chloe Barreau. https://www.youtube.com/watch?v=fkGh3P_A4r4 Mon, 22 May 2023 01:04:00 PST The heap data structure is just what we need to find the best of something, especially if it needs to be done fast...and in style! https://www.kirupa.com/data_structures_algorithms/heap.htm Sun, 14 May 2023 09:53:00 PST Discover the ultimate tool for efficient searching and sorting - binary search trees! Learn how this powerful data structure works and how it can be applied to solve real-world problems in just a few simple steps. https://www.kirupa.com/data_structures_algorithms/binary_search_tree.htm Mon, 1 May 2023 07:26:00 PST Learn how we can use the breadth-first and depth-first traversal approaches to explore every node in our tree. https://www.kirupa.com/data_structures_algorithms/binary_tree_traversal.htm Sat, 29 Apr 2023 02:59:00 PST In this exercise, we will learn how to alphabetically sort names in an array by using the built-in Array.sort() method in JavaScript! https://www.kirupa.com/codingexercises/sort_names_alphabetically.htm Sat, 22 Apr 2023 10:52:00 PST Overlapping elements using CSS is no longer the stuff of nightmares. We'll look at how to do this elegantly by using the CSS grid. https://www.kirupa.com/css/overlapping_items.htm Sat, 15 Apr 2023 22:11:00 PST Developer relations is about building relationships between developers and companies! Who better to discuss this with than Jamie Barton?! https://www.youtube.com/watch?v=6GehrPUhGRI Sat, 15 Apr 2023 10:49:00 PST Let's dive into the fun world of memory management, native programming languages, and managed programming languages. https://www.kirupa.chat/p/a-trip-down-memory-lane Fri, 14 Apr 2023 07:01:00 PST 🌳 Get to know Binary Trees: the gateway data structure for efficient searching (🔍), sorting (📚), and storage (📦) of data in computer science! ⚡️ https://www.kirupa.com/data_structures_algorithms/binary_tree.htm Thu, 6 Apr 2023 03:56:00 PST Discover the basics of linked lists, a fundamental data structure in computer science, which stores and manages data in a sequential manner through linked nodes quickly and efficiently. https://www.kirupa.com/data_structures_algorithms/linked_list.htm Wed, 5 Apr 2023 05:15:00 PST Today, we'll be diving deep with Ray (of devbyrayray fame!) into the fascinating world of AI and discussing how it's shaping the future of the tools we use as developers. https://www.youtube.com/watch?v=luSkceAMSGI Thu, 30 Mar 2023 09:24:00 PST Putting some words and formality to an approach for finding things that you and I have probably been using for quite some time! https://www.kirupa.chat/p/guess-the-number-and-binary-searching Thu, 30 Mar 2023 09:24:00 PST Learning about binary trees is essential for anyone interested in efficient data storage, searching and sorting, as it provides a powerful foundation for building more complex data structures in computer science. https://www.kirupa.com/data_structures_algorithms/binary_tree.htm Wed, 29 Mar 2023 10:09:00 PST A few weeks ago, I switched web hosting providers on a live site...and it all worked out! 🦩 This exercise brings up something bigger around the role of web hosting providers today. I go deeper into this in my latest newsletter post! https://www.kirupa.chat/p/switching-web-hosts-in-2023 Sun, 26 Mar 2023 01:01:00 PST Learn two approaches for turning your SVG shapes into paths that you can then use as part of your HTML and CSS creations! https://www.youtube.com/watch?v=-YcLyelcQmQ Thu, 23 Mar 2023 08:53:00 PST SVG is the gift that keeps on giving...and giving! https://www.kirupa.chat/p/the-versatility-of-svgs Tue, 21 Mar 2023 10:10:22 PST Learn how to create a dynamic and eye-catching spinning circle text effect using HTML, CSS, and SVG. https://www.kirupa.com/animations/spinning_circular_text.htm Sun, 19 Mar 2023 02:11:30 PST The tree data structure is important in programming as it provides a hierarchical organization of data that can be efficiently searched, sorted, and processed, making it a fundamental tool for many algorithms and applications. https://www.kirupa.com/data_structures_algorithms/trees.htm Thu, 16 Mar 2023 04:15:00 PST Search items at a blazing log(n) speed by learning how binary search works, how it can be implemented, its performance details, and more. https://www.kirupa.com/data_structures_algorithms/binary_search.htm Mon, 13 Mar 2023 02:34:00 PST Learning how to find something is an important programming skill, and we're going to dip our toes into the fun world of search algorithms by looking deeply at linear search. https://www.kirupa.com/data_structures_algorithms/linear_search.htm Fri, 10 Mar 2023 01:15:00 PST When it comes to getting a deep-dive into recursion and how to address its shortcomings, we can't find a better example than the classic Fibonacci sequence. Learn all about it here! https://www.kirupa.com/data_structures_algorithms/fibonacci_going_beyond_recursion.htm Wed, 8 Mar 2023 10:11:00 PST Take a trip down the fun side and learn how to build the classic 'Guess the Number' game using nothing but HTML, CSS, and JavaScript! https://www.kirupa.com/codingexercises/guess_the_number.htm Mon, 6 Mar 2023 01:35:00 PST