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Finding a single unique number in a list containing pairs might sound pretty simple, right?
Because a one-sentence description might be misleading, let’s start with an example of an input array:
[1,3,17,3,1]
Given such an array, the unique number is …
How to create a simple and efficient collision detection between paths in your HTML5 Canvas app or game? In this article we will create a maze, allow a player to navigate through the maze and detect when the player collides …
The toJSON method allows you to tell JSON.stringify how to print out your Class. This can be pretty useful…
The answer for that is as usual – there are many reasons. The most obvious one is …
How do you maintain and deploy multiple NPM modules? How do you make sure versions do not mismatch or that nothing breaks while upgrading dependencies? And how do you deploy multiple packages at the same time in one CLI command?…
Trying to use a webpack raw-loader for an HTML file inline resulted in an error: TS2307: Cannot find module. Here’s how to fix it!
I’m using web components a lot! I really prefer them over frameworks. They are simple, …
The diamond-square algorithm is a procedural terrain generation algorithm. It makes it easy to generate Heightmaps and Terrain for games. In this article we will implement the diamond-square algorithm in JavaScript, plot our terrain on a canvas and see how …
Collision detection is the basics of entities interaction on canvas. Imagine you have a Player Character (PC) that’s walking through a maze and you’d like to know if this PC bumps into a wall or can keep on going. One …
In this short article you will learn what you need to install in order to prepare a test environment for canvas operations with jest. After finishing the article, you will be ready for some canvas testing action!
In the past …
Generating a random map on a canvas is fun. In this article you will learn how to generate a random map or maze on an HTML5 canvas. We will use a model called Cellular Automaton.
While there are many ways …
Continuous integration and continuous deployment are must-haves for organizations that wish to scale and deliver high quality software at a high velocity. I had the pleasure to speak about this topic in WarsawJS. In this talk, I walk through the …