kanaka’s gists

kanaka / foo.cljs

Created November 4, 2022 15:38

Example nbb script using neodoc and promesa (and shell invoke trick)

	#!/bin/bash
	true;exec "$(dirname $0)/node_modules/.bin/nbb" "$(which "$0")" "$@" \|\| exit

	(ns foo
	(:require [clojure.string :as S]
	[clojure.pprint :refer [pprint]]
	[promesa.core :as P]
	[cljs-bean.core :refer [->clj ->js]]
	["fs/promises" :as fs]
	["path" :as path]

kanaka / sshping.py

Created September 16, 2022 15:05

sshping - create ssh connect and measure character typing latency (send single character until it appears)

	#!/usr/bin/env python

	# You may use this under an MIT license

	from time import time, sleep
	from signal import signal, SIGINT
	import subprocess
	import sys

	def write_read(p):

kanaka / Dockerfile

Last active October 7, 2021 16:46

podman non-deterministic /sys mounting behavior bug (https://github.com/containers/podman/issues/11887)

kanaka / Dockerfile

Last active October 5, 2021 14:31

Containerized systemd startup race condition reproducer (https://github.com/systemd/systemd/issues/20939)

	FROM ubuntu:20.04
	#FROM ubuntu:21.10

	RUN apt-get -y update # 6
	RUN DEBIAN_FRONTEND="noninteractive" apt-get -y install tzdata

	ENV container docker
	RUN apt-get -y install systemd ifupdown net-tools isc-dhcp-client

	RUN systemctl enable networking && \

kanaka / debut.out

Created August 21, 2020 17:18

mal prolog step6 debug

	$ make DOCKERIZE=1 docker-shell^prolog
	06274d225e7c:/mal/impls/prolog$
	[K 06274d225e7c:/mal/impls/prolog$ swipl ../prolog/step6_file.pl ../tests/print_argv.mal aaa bb
	bb ccc
	EVAL: (def! not (fn* [a] (if a false true))) in *:<fn> +:<fn> -:<fn> /:<fn> <:<fn> <=:<fn> =:<fn> >:<fn> >=:<fn> apply:<fn> assoc:<fn> atom:<fn> atom?:<fn> concat:<fn> conj:<fn> cons:<fn> contains?:<fn> count:<fn> deref:<fn> dissoc:<fn> empty?:<fn> eval:<fn> false?:<fn> first:<fn> fn?:<fn> get:<fn> hash-map:<fn> keys:<fn> keyword:<fn> keyword?:<fn> list:<fn> list?:<fn> macro?:<fn> map:<fn> map?:<fn> meta:<fn> nil?:<fn> nth:<fn> number?:<fn> pr-str:<fn> println:<fn> prn:<fn> prolog-asserta:<fn> prolog-call:<fn> read-string:<fn> readline:<fn> reset!:<fn> rest:<fn> seq:<fn> sequential?:<fn> slurp:<fn> str:<fn> string?:<fn> swap!:<fn> symbol:<fn> symbol?:<fn> throw:<fn> time-ms:<fn> true?:<fn> vals:<fn> vec:<fn> vector:<fn> vector?:<fn> with-meta:<fn>
	EVAL: (fn* [a] (if a false true)) in *:<fn> +:<fn> -:<fn> /:<fn> <:<fn> <=:<fn> =

kanaka / 00readme.txt

Last active August 15, 2019 15:41

Debugging of servo webdriver crash (https://github.com/servo/servo/issues/23905)

	# Start servo in headless mode with webdriver
	./mach run --release -z --webdriver=7002 --resolution=400x300

	# Put test4.html, rend.css and norm.css in current directory

	# Start a simple webserver
	python3 -m http.server 9080

	# Repeatedly load test4.html test file until servo crashes
	time ./load_test4.sh

kanaka / output.sh

Created April 15, 2019 23:11

wasmtime wasi path_open issue

	$ env RUST_LOG=wasmtime_wasi=trace wasmtime -d --dir=/ ./stepA_mal.wasm
	TRACE wasmtime_wasi::syscalls > args_sizes_get(argc=0x8a4, argv_buf_size=0x8ac)
	TRACE wasmtime_wasi::syscalls > \| *argc=1
	TRACE wasmtime_wasi::syscalls > \| *argv_buf_size=15
	TRACE wasmtime_wasi::syscalls > -> errno=__WASI_ESUCCESS
	TRACE wasmtime_wasi::syscalls > args_get(argv=0x8b4, argv_buf=0x8b8)
	TRACE wasmtime_wasi::syscalls > -> errno=__WASI_ESUCCESS
	TRACE wasmtime_wasi::syscalls > fd_write(fd=1, iovs=0x834, iovs_len=1, nwritten=0x82c)
	Mal [WebAssembly]
	TRACE wasmtime_wasi::syscalls > \| *nwritten=18

kanaka / nvd3_label_bug.html

Created March 27, 2019 18:16

Test case for nvd3 labels not updating correctly

	<html>
	<head>
	<meta charset="utf-8">
	<link href="https://cdnjs.cloudflare.com/ajax/libs/nvd3/1.8.6/nv.d3.min.css" rel="stylesheet" type="text/css">
	<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.2/d3.min.js" charset="utf-8"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/nvd3/1.8.6/nv.d3.min.js"></script>

	<style>
	text {
	font: 12px sans-serif;

kanaka / loccount_mal_badtype.js

Last active March 8, 2019 20:52

Filter loccount output to show misidentified mal files

	#!/usr/bin/env node

	const VERBOSE = process.argv.indexOf('-v') > 0
	const fs = require('fs')
	const re_ignore = /^$\|^[^\/]+ \|^docs\/\|^tests\/\|\.css CSS\|\.h C-header\|\.md Markdown/
	//const re_ignore = /^$\|^[^\/]+ \|^docs\/\|^tests\//
	const re_loc = /([^\/]+)\/([^ ]+) ([^ ]+) ([0-9]+) ([0-9]+)/
	const lines = fs.readFileSync(0, 'utf-8').split('\n')

	// implementation directory to file type mapping

kanaka / example.sh

Last active December 15, 2018 19:32

Brave headless webdriver test/bug

	$ grep VER /etc/release
	/etc/os-release:VERSION="16.04.2 LTS (Xenial Xerus)"
	/etc/os-release:VERSION_ID="16.04"
	/etc/os-release:VERSION_CODENAME=xenial

	$ uname -a
	Linux kanaka 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

	$ python3 -m http.server 9080 &

Joel Martin kanaka