selectedexpression=${LOCATIONS[$RANDOM % ${#LOCATIONS[@]} ]}

Here is a quickie shell script (bash) tip. If you ever want to insert a random sleep/pause into a running script:

"I was recently assigned the task of setting up integration tests for a project at work. We were deciding between two open-source solutions, Nightwatch and TestCafe. Ultimately we went with TestCafe because it is not based on Selenium, which allowed for a much easier setup and a lot less tooling.

To edit Hosts file Mac features is not a difficult although completely non-obvious process. To open Hosts file on Mac, which is hidden, you need to use Terminal:

I've tried to collect some of the most used topics in Node, and looked for their alternative with Deno. First of all, I would like to make it clear that we can use many of the current Node.js modules.

It's never been a better time to learn React. If you're just getting started, you might have heard about these three options:Next.js, Gatsby, Create React App (CRA)

Briefly introduce the three most popular hybrid mobile app development solutions. I also listed the Pros and Cons for each solution.

Flutter is an open-source mobile application development SDK created by Google. Single Code base. Run on both Android and IOS. Native performance. No bridge. No bottlenek.

In a create-react-app project that uses TypeScript, modify your tsconfig.json file to look like this:

Covid-19 changed our way of life since the start of 2020 — a year some of us want to fast forward like a button on that TV remote.