ewalk153’s gists

ewalk153 / ruby_yjit_test.sh

Created January 18, 2023 03:09

Verify if YJIT is running for ruby

	> RUBY_YJIT_ENABLE=1 ruby -e "puts RubyVM::YJIT.enabled?"
	true

	> ruby -e "puts RubyVM::YJIT.enabled?"
	false

ewalk153 / static_path_test.py

Last active January 10, 2023 14:19

Extracted static path method to test behavior from piku static path mapper.

	import unittest
	from re import sub, match
	from os.path import join, relpath

	def echo(message):
	# print(message)
	pass

	PIKU_INTERNAL_NGINX_STATIC_MAPPING = """
	location $static_url {

ewalk153 / local_auth_flow_google.rb

Created December 14, 2022 14:29

	# Google docs query command-line sample.

	require 'google/apis/drive_v2'
	require 'google/api_client/client_secrets'
	require 'google/api_client/auth/installed_app'
	require 'google/api_client/auth/storage'
	require 'google/api_client/auth/storages/file_store'
	require 'logger'
	require 'json'

ewalk153 / foo_test.rb

Last active December 5, 2022 21:32

Demonstrate mocha and minitest behavior with stubs

	# ❯ ruby foo_test.rb
	# Run options: --seed 44288

	# # Running:

	# F.

	# Finished in 0.000679s, 2945.5069 runs/s, 2945.5069 assertions/s.

	# 1) Failure:

ewalk153 / run_sqlite3_deserialize.c

Last active November 2, 2022 13:01

Example of how to run sqlite3_deserialize

	#include <sqlite3.h>
	#include <stdio.h>
	#include <stdlib.h>

	#define MAX_FILE_SIZE 1000000

	// build with
	// cc run_sqlite3_deserialize.c -lsqlite3 -o sqlite3_deserialize
	// create db with:
	// echo "create table pizza(name, color); insert into pizza(name, color) values ('margarita', 'red');" \| sqlite3 pizza.db

ewalk153 / sqlite_deserialize.py

Created October 17, 2022 17:40

Small script to demonstrate sqlite3 serialize/deserialize interface in python (>3.11rc1)

	# requires python > 3.11rc1 for sqlite3.{serialize, deserialize}
	import sqlite3

	def serialize():
	con = sqlite3.connect(":memory:")
	cur = con.cursor()
	cur.execute("CREATE TABLE movie(title, year, score)")
	cur.execute("""
	INSERT INTO movie VALUES
	('Monty Python and the Holy Grail', 1975, 8.2),

ewalk153 / piku-fixed-reqs.txt

Created September 4, 2022 19:31

	sudo apt-get install -y build-essential certbot git \
	libjpeg-dev libxml2-dev libxslt1-dev zlib1g-dev nginx \
	python3-certbot-nginx python3-dev python3-pip python3-virtualenv \
	python3-dev python3-pip python3-click python3-virtualenv \
	uwsgi uwsgi-plugin-asyncio-python3 uwsgi-plugin-gevent-python3 \
	uwsgi-plugin-python3 uwsgi-plugin-tornado-python3 \
	uwsgi-plugin-lua5.1 uwsgi-plugin-lua5.2 uwsgi-plugin-luajit

ewalk153 / development.rb

Created August 3, 2022 23:59

Proxying a rails app through the cloudflared tunnel

	Rails.application.configure do
	config.hosts << /[a-z\-]+\.trycloudflare\.com/
	end

ewalk153 / webauthn

Created August 2, 2022 01:57

A few notes on the web authn flow (incomplete)

	sequenceDiagram
	Browser->>+Server: Generate and store the WebAuthn User ID
	Server->>+Server: generate challenge, and store in session
	Server-->>+Browser: options

	Browser->>+User: create (local call to device)
	User-->+Browser: PublicKeyCredential

ewalk153 / commands.bash

Last active July 29, 2022 00:46

Mpy setup for Micropython

	# https://docs.micropython.org/en/v1.18/develop/natmod.html
	# python env setup
	pyenv local 3.10.2 #version doesn't matter so much
	python -m venv venv # setup venv
	source venv/bin/activate

	# install python build tools
	pip install 'pyelftools>=0.25'

	# setup micropython env

Eric Walker ewalk153