zed

# based on https://launchpadlibrarian.net/94884626/testUtcToDst.patch
# from https://bugs.launchpad.net/dateutil/+bug/944123
import unittest
from datetime import datetime, timedelta

import dateutil.tz
import dateutil.zoneinfo
import pytz

tzname = "America/Toronto"

abeluck

Concat MP4 files without transcoding to mpeg

1. Use the h264_mp4toannexb bitstream filter to convert the mp4s (video steam only) into the AnnexB bitstream format

   ffmpeg -i input1.mp4 -vcodec copy -vbsf h264_mp4toannexb -acodec copy part1.ts
   # repeat for up to inputN
   

2. Concat the files using cat

andreyvit

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

hrldcpr

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!