How to Reverse a Video
One of my favorite media utilities is ffmpeg. This command line utility allows us to do some pretty amazing stuff like;
Every once in a while I see a meme or funny video that reverses a video for effect. Since ffmpeg does just about everything I can imagine, I turned to it.
To reverse a video, use the following ffmpeg command:
ffmpeg -i my-video.mp4 -vf reverse my-video.mp4
Remember that you can simply change the video format via the output video's file extension, so you could export to anything from a webm to an animated GIF!
![Detect DOM Node Insertions with JavaScript and CSS Animations]()
I work with an awesome cast of developers at Mozilla, and one of them in Daniel Buchner. Daniel's shared with me an awesome strategy for detecting when nodes have been injected into a parent node without using the deprecated DOM Events API.
![Responsive and Infinitely Scalable JS Animations]()
Back in late 2012 it was not easy to find open source projects using requestAnimationFrame() - this is the hook that allows Javascript code to synchronize with a web browser's native paint loop. Animations using this method can run at 60 fps and deliver fantastic...
![Link Nudging Using Dojo]()
In the past we've tinkered with link nudging with MooTools and link nudging with jQuery. In an effort to familiarize myself with other JavaScript frameworks, we're going to try to duplicate that effect with another awesome framework: Dojo.
The JavaScript: Attempt...
![CSS :target]()
One interesting CSS pseudo selector is :target. The target pseudo selector provides styling capabilities for an element whose ID matches the window location's hash. Let's have a quick look at how the CSS target pseudo selector works!
The HTML
Assume there are any number of HTML elements with...