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@chr15m
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
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
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
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
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
chr15m / git-cloc
Last active January 14, 2022 02:29
Count lines of code in your git repo
#!/bin/sh
# Count the lines of source code checked into your repository
# Requires the `cloc` command as a dependency.
# You can pass extra arguments to cloc like this:
# git cloc --exclude-dir=build --exclude-ext=js
git ls-tree -r `git branch | grep '^*' | colrm 1 2` --name-only | sed 's/.*/"&"/' | xargs cloc "$@"
@chr15m
chr15m / extract-modplug-channel-names.py
Created March 28, 2022 03:19
Extract channel names from xm or it files saved with modplug tracker
from sys import argv
f = open(argv[1], "rb").read()
i = f.index(bytearray("CNAM", "utf8"))
for n in range(3):
x = f[i+n*20+8:i+n*20+28].decode("utf8")
print(n, x)
@chr15m
chr15m / extract-latest-log-date.awk
Last active May 13, 2022 23:46
Extract only the latest log lines from apache/nginx logs
#!/usr/bin/awk -f
# Usage:
# zcat -f access.log.* | ./extract-latest-log-date.awk > latest-log.txt
BEGIN {
# pre-compute months field lookup
m=split("Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec",d,"|")
for(o=1;o<=m;o++){
months[d[o]]=sprintf("%02d",o)
@chr15m
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
@chr15m
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