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Category: Bugs and Issues

Keyboard chattering / double key presses fix on Ubuntu / Pop_OS!

Unfortunately keyboards eventually start to fail. One of the common signs that your keyboard is failing is noticing that sometimes, as you type, some keys are registered two or more times, even though you hit a key only once. This […]

Pop!_OS 21.10 : Disable the Workspace Animation & Pop-up

Pop!_OS 21.10 landed last week, and if you decide to upgrade, you’ll lose all your installed Gnome extensions. Some of the previous extensions may not be compatible with the new Gnome v4x versions. This was the case with the “Disable […]

Using React Router NavLink with a MUI ListItemButton + TypeScript

So, recently I needed to render a React Router NavLink component as a ListItemButton. Although the documentation on the MUI website provides a few examples on how to achieve a similar result with the Link component (from react-router-dom), I still […]

Fix: VSCode + ElixirLS Intellisense for code imported with `use`

I am using VSCode with the ElixirLS extension for Elixir development. My operating system is Ubuntu, but I think this guide should work for other systems if you know where to find your VSCode extensions folder. The problem: IntelliSense, aka […]

Prevent CSS Transform From Making Element Blurry

Here’s the issue I was facing: I was trying to position a sticky header based on the Window scrollY value divided by 2, using the transform: translateY(value)CSS property. As a result, the element would sometimes become blurry. I remembered some […]

Fix: Mouse pointer shakes while mouse standing still in Ubuntu 20.04

Here’s a peculiar issues I’ve encountered the second time this week. Out of the blue, the mouse pointer will start shaking/wiggling/moving up and down heretically, while the mouse itself is standing still. Turning the mouse off, disconnecting the receiver dongle […]

Fix: Ubuntu 20.04 stuttering animations & video

Ok, this was driving me nuts, but I’m glad I finally figured it out thanks to this. So the issue was: every 500ms or so, any¬† graphic output would briefly freeze, be it a video playing, a page scrolling, or […]

Dockerized pgAdmin 4 & local Postgres server on Ubuntu 20.04

At this time of writing, pgAdmin4 is not available for installation on Ubuntu 20.04, due to an unresolved Python dependency. Until this is solved, or in case you want to run pgAdmin from a Docker container, here’s what worked for […]

Fixing: “ESLint: Expected indentation of 2 spaces but found 6. (indent)” in PhpStorm

I recently bootstrapped a new Vue.js application from the Vue-CLI, and I chose to lint my code. Now when I write code, I tend to auto-format my code all the time. The thing is by default, ESLint will warn you […]

Solution: kernlab class probability calculations failed; returning NAs

Howdy! I’m putting this down here for my future reference, as well as for anyone who has spent the couple hours looking for a solution: kernlab class probability calculations failed; returning NAs You get this error because you need to […]