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Testing Nix Packages

To test a nix package derivation, drop the flake.nix into the directory of the default.nix and temporarily add it to the local clone of the nixpkgs git repository.

$ git add --intent-to-add flake.nix

Then, to build the package and use the output in a dev shell:

joshbode

Split logging output using splitvt

joshbode

Bookmarklet to enable picture-in-picture controls for Firefox in Google Meet, and other sites that disable PiP

Create a new bookmark with the following "URL":

javascript:(function() {var i, elements = document.querySelectorAll("body video"); for (i = 0; i < elements.length; i++) {elements[i].style.pointerEvents = "all"}})()

Note: this embeds the following function:

function() {

joshbode

MULTIPASS="/snap/multipass/current/etc/bash_completion.d/snap.multipass"
if [[ -e "${MULTIPASS}" ]]; then
  source <(
    sed \
      -e '/_get_comp_words_by_ref/d' \
      -e 's^\$(echo \${BASH_VERSION} | .*)^0^' \
      "${MULTIPASS}"
  )
fi

joshbode

flatpak override --user
  --env=MOZ_ENABLE_WAYLAND=1 --env=MOZ_WEBRENDER=1 --env=MOZ_USE_XINPUT2=1 \
  --socket=wayland \
  org.mozilla.firefox
flatpak info --show-permissions org.mozilla.firefox

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FROM python:3.8

# ...

ADD entrypoint.sh /usr/local/bin
ENTRYPOINT ["bash"]
CMD ["-l"]

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python -c "import shutil, sys, requests; x = requests.get(sys.argv[1], stream=True); shutil.copyfileobj(x.raw, (sys.stdout if x.ok else sys.stderr).buffer); sys.exit(not x.ok)" https://httpbin.org/get | jq .

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import sys
import logging
from typing import Optional, Dict

from colorama import Fore, Back, Style


class ColoredFormatter(logging.Formatter):
    """Colored log formatter."""

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function track_mem {
  while (( 1 )); do
    echo -en "$(date --iso-8601=s)\t"
    ps -eo comm,pid,pmem,rss,vsz | grep "^$1"
    sleep $2
  done
}

joshbode

using GZip

MAX_WIDTH = 4

function Base.filesize(io::GZip.GZipStream)
    f = open(io.name, "r")
    seekend(f)
    skip(f, -4)
    n = Int64(first(reinterpret(Int32, read(f, 4))))
    close(f)