billmei

(function() {
    /*
     Provides hotkey support for navigating many posts on piazza.
        1) e + alt: archives the current post and navigates to the previous post
        2) u + alt: marks the current post as unread and navigates to the previous post
        3) k + alt: navigates to the more recent post from current
        4) j + alt: navigates to the older post
    */
    // keycodes: http://keycode.info/
    const keyArchive = 69; // alt + e

billmei

Convert sequence of GoPro Hero 6 Black JPEG images to MKV / MP4 video

ffmpeg \
  -r 30000/1001 \
  -pattern_type glob -i '*.JPG' \
  -vf "crop=in_w:in_w*9/16,scale=3840:-2" \
  -sws_flags lanczos \
  -pix_fmt yuv420p \
 -vcodec libx264 \

billmei

import os

"""
Two things are wrong with Django's default `SECRET_KEY` system:

1. It is not random but pseudo-random
2. It saves and displays the SECRET_KEY in `settings.py`

This snippet
1. uses base 64 encode instead to generate a random key