🇺🇲

Andrew Duffy a10y

🇺🇲

a10y / unique_consts.rs

Created September 19, 2024 20:07

	macro_rules! make_encoding_ids_rec {
	($count:expr) => {};
	($count:expr, $encoding:ident $($tts:tt)*) => {
	pub const $encoding: u16 = $count;
	make_encoding_ids_rec!(($count+1u16) $($tts)*);
	}
	}

	macro_rules! make_encoding_ids {
	($($encodings:ident),*) => {

a10y / send-zc.c

Created August 15, 2024 14:39

io_uring zerocopy example

	/* SPDX-License-Identifier: MIT */
	/* based on linux-kernel/tools/testing/selftests/net/msg_zerocopy.c */
	/* gcc -luring -O2 -o send-zc ./send-zc.c */
	#include <stdio.h>
	#include <stdlib.h>
	#include <stdint.h>
	#include <assert.h>
	#include <errno.h>
	#include <error.h>
	#include <limits.h>

a10y / eclipse.py

Created March 31, 2024 00:50

Marimo notebook of 2024 Solar Eclipse

	import marimo

	__generated_with = "0.1.76"
	app = marimo.App()


	@app.cell
	def __():
	from astropy.time import Time
	from astropy.coordinates import EarthLocation, get_sun, get_moon, AltAz

a10y / benchmark_simd.c

Last active March 29, 2024 22:13

a10y / leaky.rs

Created March 25, 2024 15:20

Exploring memory leaks with Rust

	use std::hint::black_box;

	fn main() {
	// Leak the reference in a loop.
	println!("begin leaking memory");
	for _ in 0..10 {
	let data = Box::new("hello world".to_string());
	let _ = black_box(Box::leak(data)); // Needed to avoid allocs being optimized away by the compiler.
	}
	println!("done leaking memory");

a10y / simple_executor.rs

Created March 25, 2024 02:40

Simple current-thread async executor in Rust

	#![feature(noop_waker)]
	#![feature(local_waker)]

	use std::collections::{HashMap, VecDeque};
	use std::fmt;
	use std::fmt::Formatter;
	use std::future::Future;
	use std::marker::PhantomData;
	use std::pin::Pin;
	use std::ptr::null_mut;

a10y / pinfun.rs

Created March 24, 2024 19:41

Small exploration of Rust Pinning

	use std::fmt;
	use std::fmt::Formatter;
	use std::marker::PhantomPinned;
	use std::pin::{pin, Pin};

	struct MyField {
	name: String,
	name_ptr: Option<*mut String>,
	__pinned: PhantomPinned,
	}

a10y / mqtt_ddot.go

Created December 31, 2023 00:21

MQTT connection for DDOT CCTV Cameras

	package main

	import (
	"bytes"
	"fmt"
	"github.com/eclipse/paho.mqtt.golang/packets"
	)

	func main() {
	connectPkt := bytes.NewBuffer([]byte{

a10y / pathMatcher.ts

Created September 29, 2023 12:10

Path matching in TypeScript to allow type-safe extraction of path params as union type

	// ID for the parameter
	type ParamId<T> = T;

	type ParamKey<Component> = Component extends `:${infer NameWithPattern}`
	? `param_${ParamId<NameWithPattern>}`
	: never;

	type ParamKeys<Path> = Path extends `${infer Component}/${infer Rest}`
	? ParamKey<Component> \| ParamKeys<Rest>
	: ParamKey<Path>;

a10y / scoop.py

Created September 16, 2023 01:35

	# Pull data from SAM.gov, extract all attachments, push to S3 storage

	import subprocess
	import json
	import os

	from pathlib import Path
	from multiprocessing import Pool