Firstly, you need to install v4l2loopback and obs-v4l2sink. On arch linux with yay:
yay -Syu obs-v4l2sink v4l2loopback-dkms
Then, set up a systemd service:
koyoko% cat /etc/systemd/system/v4l2loopback.service
require 'thread/local' | |
class Searchable | |
extend Thread::Local | |
def initialize | |
@index = "rubygems" | |
end | |
Sync do | |
query = subject.call(<<~SQL * 10) | |
SELECT PG_SLEEP(0.1) AS LIFE; | |
SQL | |
query.results do |result| | |
Console.logger.info(query) {"#{result.count} #{result.field_names}"} | |
result.each do |row| | |
Console.logger.info(result, row) | |
end |
# gem install async-container | |
gem "async-container" | |
require 'async/clock' | |
require 'async/container' | |
def fibonacci(n) | |
if n < 2 | |
return n |
require_relative 'lib/async/websocket/version' | |
Gem::Specification.new do |spec| | |
spec.name = "async-websocket" | |
spec.version = Async::WebSocket::VERSION | |
spec.authors = ["Samuel Williams"] | |
spec.email = ["[email protected]"] | |
spec.summary = %q{An async websocket library on top of websocket-driver.} | |
spec.homepage = "" |
#!/usr/bin/env ruby | |
# This script reads a list of PIDs from the command line and dumps all readable memory regions. | |
REGION_PATTERN = /(\h+)-(\h+) (r)/ | |
ARGV.each do |pid| | |
maps = File.open("/proc/#{pid}/maps") | |
mem = File.open("/proc/#{pid}/mem") |
Firstly, you need to install v4l2loopback and obs-v4l2sink. On arch linux with yay:
yay -Syu obs-v4l2sink v4l2loopback-dkms
Then, set up a systemd service:
koyoko% cat /etc/systemd/system/v4l2loopback.service
require 'benchmark/ips' | |
require 'dry/monads/result' | |
extend Dry::Monads::Result::Mixin | |
def pure_square(x) | |
value = x ** 2 | |
if value > 50 |
#!/usr/bin/env ruby | |
require 'async' | |
require 'async/http/internet' | |
Async do |task| | |
internet = Async::HTTP::Internet.new | |
# Effectively a connection timeout: | |
response = task.with_timeout(10) do |
#!/usr/bin/env ruby | |
require 'process/pipeline' | |
def process_group_pids(pids) | |
pids.flat_map do |pid| | |
buffer = Process::Pipeline.("pstree -p #{pid}").read | |
buffer.scan(/(?<=\()\d+(?=\))/) | |
end.sort.uniq |
#!/usr/bin/env RBENV_VERSION=2.7.0 ruby | |
gem 'async' | |
require 'async' | |
Async do |task| | |
Async.logger.info("Incoming request...") | |
Async(logger: task.logger.with(name: "request-id-1234")) do | |
Async.logger.info("Database Query") |