Invisible Pink Unicorns - a Firefox emoji rendering bug

by @edent | # # # # # | 7 comments | Read ~117 times.
The upper image is partially transparent. The lower image is completely opaque.

Here's a curious bug I just discovered in Firefox 67 for Linux. Can you see this unicorn: →🦄 ← What happens if you use CSS to change the opacity of an emoji? Here's a unicorn, with a pink font colour: 🦄 Unicorn Let's wrap that in this scrap of CSS to make it 50% opaque.… Continue reading →

HOWTO: Split WAV and CUE files on Linux

by @edent | # # # # # # | Read ~145 times.
A cute penguin.

Mostly notes to myself, as a follow-up to this older post. This is a 3-step process. Add the file to an MKV Use MKVmerge: mkvmerge "audio.wav" --chapters "audio.cue" -o "audio.mkv" You can see that chapter names have been added to the .mkv if you run ffmpeg -i or mkvinfo. Split the MKV by chapter This… Continue reading →

Extracting DVD-Audio on Linux, the modern(ish) way

by @edent | # # # # # #
A cute penguin.

DVD-Audio (henceforce DVDA) is an unloved and mostly forgotten audio format. Nevertheless, there's a large back-catalogue of music which is still trapped on ancient discs encoded in the proprietary MLP format. A few years ago I wrote about how to extract the audio using the obsolete Windows program DVD-Audio Explorer. I wanted to be able… Continue reading →

Review Evoluent Veritcal Mouse C

by @edent | # # # # # | Read ~124 times.
Evoluent Mouse Buttons

Can a mouse ever be worth £100? Yes. Let's get that out of the way. If you spend all day working with your hands, you owe it to yourself to give them the best possible equipment to protect them. For me, that's a vertical mouse with re-mappable buttons to help prevent RSI. Over the last… Continue reading →

Using the Evoluent VMCR C Series Vertical Mouse with Linux

by @edent | # # # # # # # | 4 comments | Read ~739 times.
Mouse with multiple buttons.

This is a quick guide for setting up your new mouse with Ubuntu. I'm a big fan of the Evoluent Mouse range, and I've agreed to publish this Linux guide in return for a review sample. The Basics The only way to configure this mouse is via the command-line. This may look a bit daunting,… Continue reading →

Convert Surround Sound WAV albums to individual opus files

by @edent | # # # # #

As ever, notes to myself. This is a method to take a .wav and .cue and transform it into individual files. In this case, .opus. Transform to .flac FLAC is a good intermediary file format, especially for surround sound files. avconv -i file.wav out.flac Transform to .opus An optional step if you want smaller files.… Continue reading →

An Animation of Every Emoji

by @edent | # # # # # | Read ~332 times.
A friendly looking chicken stares at you

The Video EVERY EMOJI! pic.twitter.com/2fCUqwu67c — Terence Eden (@edent) October 24, 2017 Download the WEBM version (19MB). The Process Mostly notes to myself, but I thought you lot might be interested 🙂 Get Every Emoji from Twemoji Twitter maintain the Twemoji Project - it contains high quality SVGs of every emoji. They generously make them… Continue reading →

Review: IR Dome USB WebCam - perfect for Raspberry Pi

by @edent | # # # # # | 1 comment | Read ~1,529 times.
Close up on camera lens, sensor, and IR LEDs

The good folk at Ailipu Technology have sent me a fist-sized USB camera to review. This is a cheap and simple way to get external video into a home server like a Raspberry Pi. This is the, slightly cumbersomely named, elp-usb100w05mt-dl36. What's in the box? The USB cable is around 5 metres long, and is… Continue reading →

Import Images From A Migrated WordPress

by @edent | # # # # # | Read ~335 times.
The Logo for WordPress

Here's how to solve a common WordPress problem. I want to re-import all my blog's images into the media library. I've moved my blog to a new host - but kept the same domain name. I started with a new WordPress install, the uploads folder still has all my images, but WordPress can't see them.… Continue reading →

Long Exposures - Creating Average Frames From Movies

by @edent | # # # # | 3 comments | Read ~7,223 times.

I read a Guardian article about an artist who set up an analogue camera in front of their TV, set it to long exposure, and set a movie playing. The result was a rather wonderful collection of images. You can see more of Jason Shulman's works Is there a way to automate this process? Yes!… Continue reading →