Rubin

I have an Epson L1250 printer and a Raspberry Pi 4 server running Debian 12, and I want to connect the printer to the server through USB, and let CUPS on the server offer the printer to other computers on the local network. I managed to make this work[*], but […]

This is my current complex modification { "description": "Double Tab to accept zsh-autosuggestions", "manipulators": [ { "conditions": [ { "name": "double_tab", "type": "variable_if", "value": 1 } ], "from": { "key_code": "tab" }, "to": [{ "key_code": "right_arrow" }], "type": "basic" }, { "from": { "key_code": "tab" }, "to": [ { "set_variable": […]

I’ve noticed that some ffmpeg filters omit the name of parameters for certain parameters. For example, you can write: ffplay -f lavfi -i 'color=red' rather than using color=color=red; or ffplay -f lavfi -i 'color=white:size=1024x512, drawtext=hello, scale=500x300' How do I tell which parameter is the “default parameter”?

When I wanted to redirect the stdout of the ffprobe command, I got a surprise: the usual stdout > (file) didn’t work. After a few web searches, I found the answer: I had to use stdout > (file) 2>&1, and it was OK: https://stackoverflow.com/questions/29680391/ffmpeg-command-line-write-output-to-a-text-file. What could explain why the usual […]