chr15m’s gists

chr15m / outlined-drop-shadow-header.html

Created December 28, 2021 13:46

Outlined drop-shadow header demo

	<!doctype html>
	<html lang="en-us">
	<head>
	<title>Fat font drop shadow.</title>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<meta name="mobile-web-app-capable" content="yes">
	<meta name="description" content="Pure CSS fat outline letters with hard drop shadow.">
	<style>
	@import url('https://fonts.googleapis.com/css2?family=Sigmar+One&display=swap');

chr15m / sync-deps.clj

Created October 3, 2021 08:25

Generate :npm-deps in deps.cljs from package.json using nbb

	(ns update-deps
	(:require
	["fs" :as fs]
	[clojure.edn :as edn]
	[clojure.pprint :refer [pprint]]))

	(let [package (js/require "../package.json")
	js-deps (js->clj (aget package "dependencies"))
	deps (edn/read-string (fs/readFileSync "src/deps.cljs" "utf8"))
	deps-updated (assoc deps :npm-deps js-deps)]

chr15m / screencast.py

Created October 28, 2020 04:14

Python wrapper for byzanz-record to capture gifs

	#!/usr/bin/env python

	# You'll need to have `xrectsel` and `byzanz-record` installed

	from __future__ import print_function
	import re
	import sys
	import subprocess

	if len(sys.argv) == 1:

chr15m / Makefile

Created February 27, 2020 13:14

Makefile rules to activate Python virtualenv for the whole Makefile

	# get makefile's own path
	mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
	mkfile_dir := $(dir $(mkfile_path))

	# add virtualenv in folder "virtualenv" to the path
	export PATH := $(mkfile_dir)/virtualenv/bin:$(PATH)
	export VIRTUAL_ENV=$(mkfile_dir)/virtualenv

	example: something.py
	python something.py # <- this will be called with virtualenv activated

chr15m / microtest.hy

Created August 29, 2019 05:46

Hy testing microframework

	; *** Test harness
	; Note: works in Hy 0.11.1 - needs to be upgraded for recent Hy

	(defn print-expression [expr]
	(+ "(" (.join " " (list-comp (cond [(= (type x) HyExpression) (print-expression x)]
	[(= (type x) HyString) (+ "\"" x "\"")]
	[True (str x)]) [x expr])) ")"))

	(defmacro test-case [expr]
	(quasiquote (do

chr15m / vintage-old-school-console-effect-css.html

Created March 15, 2019 07:41

Vintage old-school console effect boilerplate HTML and CSS

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta content="width=device-width, initial-scale=1" name="viewport">
	<title>Vintage console</title>
	<script>
	function log(message) {
	document.getElementById("log").textContent += message + "\n";
	}

chr15m / websockets.js

Created July 6, 2018 02:02

Minimal Javascript websocket client/server

	// server
	ws = require('ws');
	wss = new ws.Server({ port: 8033 });
	wss.on('connection', function(s) {
	console.log("got connection", s);
	s.on('message', function incoming(message) {
	console.log("received", message);
	});
	});

chr15m / picore-usb-tether.txt

Created July 2, 2018 12:39

Get USB tethering working on piCore (Tiny Core Linux)

	tce-load -wi net-usb-4.9.22-piCore-v7
	modprobe cdc_ether
	modprobe usbnet
	ifconfig -a
	ifconfig usb0 up
	sudo /sbin/udhcpc -b -i usb0 -x hostname:$HOSTNAME -p /var/run/udhcpc.usb0.pid

chr15m / browser-tab-communication-via-localstorage.html

Created June 8, 2018 12:43

Demo of communicating between tabs via the localStorage storage event

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta content="width=device-width, initial-scale=1" name="viewport">
	<style>
	body {
	font-family: Arial, Sans-serif;
	max-width: 600px;
	margin: 1em auto;

chr15m / dht-ping.sh

Created May 6, 2018 09:24

BitTorrent mainline DHT UDP ping shell script example

echo -n $'d1:ad2:id20:\x23\x71\x0c\x1c\xb4\x50\x7d\x87\x29\xb8\x3f\x87\x2c\xc6\xa2\xa4\x4c\x39\x73\x67e1:q4:ping1:t1:01:y1:qe' | nc -u router.utorrent.com 6881

Chris McCormick chr15m