Tutorials Page 3
![Create a Thumbnail From a Video with ffmpeg]()
Create a Thumbnail From a Video with ffmpeg
Creating a thumbnail to represent a video is a frequent task when presenting media on a website. I previously created a shell script to create a preview video from a larger video, much like many adult sites provide. Let's view how we can...
![Detect System Theme Preference Change Using JavaScript]()
Detect System Theme Preference Change Using JavaScript
JavaScript and CSS allow users to detect the user theme preference with CSS'
prefers-color-schememedia query. It's standard these days to use that preference to show the dark or light theme on a given website. But what if the user changes their preference...
![How to Use Storage in Web Extensions]()
How to Use Storage in Web Extensions
Working on a web extension is an interesting experience -- you get to taste web while working with special extension APIs. One such API is
storage-- the web extension flavor of persistence. Let's explore how you can usesessionandlocalstorage within...![Skip or Only Run a Test with JavaScript Mocha]()
Skip or Only Run a Test with JavaScript Mocha
Whenever I start to feel anxiety about a big change I'm making, I start writing more unit tests. I'll write down my fear and then write a test that attacks, and eventually relaxes, that fear. There are two actions that I've been frequently using...
![Determine Default App for File Type from Command Line]()
Determine Default App for File Type from Command Line
One quality of life improvement any developer can make for themselves is ensuring different file types open in the app they're most proficient in. If you know me, you know I prefer accomplishing as much as possible from the command line. The
dutiutility...-
![Set Brave as Default Browser from Command Line]()
Set Brave as Default Browser from Command Line
I've been a huge fan of the Brave web browser for years. They're crypto-friendly, provide native ad-blocking features, and even provide Tor integration. Whenever I set up new systems, I automate Brave as the default browser.You can use the following shell command to set...
![CSS :autofill]()
CSS :autofill
Autofilling HTML
inputelements is a frequent user action that can drastically improve user experience. Hell, we all autofill for our passwords and address information. But what control do we have wheninputelements have been autofilled?To add custom CSS styles to inputs whose...![Monitor Events and Function Calls via Console]()
Monitor Events and Function Calls via Console
Despite having worked on the very complex Firefox for a number of years, I'll always love plain old
console.logdebugging. Logging can provide an audit trail as events happen and text you can share with others. Did you know that chrome providesmonitorEventsand...
![CSS :out-of-range]()
CSS :out-of-range
One aspect of web development I've always loathed was working with forms. Form elements have been traditionally difficult to style due to OS and browser differences, and validation can be a nightmare. Luckily the native HTML APIs added methods for improving the form validation situation.With...
![git Force Push]()
git Force Push
Rebasing is a frequent task for anyone using git. We sometimes use rebasing to branch our code from the last changes or even just to drop commits from a branch.Oftentimes when trying to push after a rebase, you'll see something like the following:Commonly developers...
