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Jason David Frank, The Green Ranger, Has Died


Jason David Frank, an actor and martial artist best known for his recurring role as the Green (and later White) Ranger in Mighty Morphin Power Rangers, has died. He was 49.Read more

Locate Empty Directories from Command Line


As a software engineer that lives too much of his life on a computer, I like keeping my machine as clean as possible. I don’t keep rogue downloaded files and removes apps when I don’t need them. Part of keeping a clean, performant system is removing empty directories. To identify empty...

How to Extend Prototypes with JavaScript


One of the ideological sticking points of the first JavaScript framework was was extending prototypes vs. wrapping functions. Frameworks like MooTools and Prototype extended prototypes while jQuery and other smaller frameworks did not. Each had their benefits, but ultimately all these years later...

How to Use window.crypto in Node.js


I’ve been writing a bunch of jest tests recently for libraries that use the underlying window.crypto methods like getRandomValues() and window.crypto.subtle key management methods. One problem I run into is that the window.crypto object isn’t available, so I need to shim it. To use...

Convert Fahrenheit to Celsius with JavaScript


The United States is one of the last bodies that refuses to implement the Celsius temperature standard. Why? Because we’re arrogant and feel like we don’t need to change. With that said, if you code for users outside the US, it’s important to provide localized weather data...

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 create a preview thumbnail from a video! Developers...

Detect System Theme Preference Change Using JavaScript


JavaScript and CSS allow users to detect the user theme preference with CSS’ prefers-color-scheme media 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 while using your app?...

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 use session and local storage within your Manifest V3...

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