Eric Walker ewalk153

ewalk153 / file_reader.zig

Last active March 3, 2022 21:57

Exploring how to return a reader with Zig

	const std = @import("std");
	// fails with compile error
	pub fn fileReader() !type {
	var file = try std.fs.cwd().openFile("./lines.csv", .{});
	defer file.close();
	var buf_reader = std.io.bufferedReader(file.reader());
	return buf_reader.reader();
	}

	pub fn main() !void {

ewalk153 / lines.tsv

Last active March 3, 2022 03:33

Parsing code to convert metro line stop times to a series of nodes and edges.

ewalk153 / prog_as_data.rb

Created February 4, 2022 13:12

ewalk153 / add-to-gcalendar-stimulus.html

Last active September 23, 2021 01:29

Add to calendar example with stimulus

	<html>
	<head>
	<script src="https://unpkg.com/stimulus/dist/stimulus.umd.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js"></script>
	<link
	href="https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css"
	rel="stylesheet"
	/>

	<script>

ewalk153 / be.cfg

Created May 17, 2021 00:41

Basic config for cc65 compiler

	MEMORY
	{
	ROM: start=$8000, size=$8000, type=ro, define=yes, fill=yes, file=%O;
	}

	SEGMENTS
	{
	CODE: load=ROM, type=ro;
	VECTORS: load=ROM, type=ro, offset=$7ffa;
	}

ewalk153 / micro_mandelbrot.py

Created September 1, 2020 01:59

Mandelbrot set, on Micropython Makerfab

	# this will be the mandelbrot set, written in python
	import sys
	import machine
	import st7789py as st7789
	import random
	from machine import Pin

	def scale_x(px):
	#scaled x coordinate of pixel (scaled to lie in the Mandelbrot X scale (-2.5, 1))
	return -2.5 + px * 3.5 / 239

ewalk153 / config-application.rb

Created January 2, 2020 21:17

debugging middleware


	Dir["./app/middleware/*.rb"].each do \|file\|
	require file
	end


	config.middleware.use(::DebugMiddleware)

ewalk153 / myscript.foo.js

Created December 13, 2019 19:30

console.log('done');

ewalk153 / git-find-commit

Created October 12, 2017 15:26

Command line script to find a specific commit

	#!/usr/bin/env ruby
	#find a commit from a file and a line

	require 'optparse'

	options = {}
	OptionParser.new do \|opts\|
	opts.banner = "Usage: #{$0} [options] filename:linenumber"

	opts.on("-l") do \|v\|

ewalk153 / jupyter 101.bash

Created June 6, 2016 04:09

	pip3 install jupyter

	jupyter notebook

	# now, you have a web server running with jupyter!