JonathonReinhart’s gists

JonathonReinhart / compatrand.py

Last active September 1, 2020 00:46

Python 2.7, 3 compatible random seeding

	from __future__ import print_function
	import random
	import sys

	class CompatibleRandom(random.Random):
	# Inspired by https://stackoverflow.com/a/55800424/119527
	def seed(self, a):
	if sys.version_info >= (3, 2):
	super(CompatibleRandom, self).seed(a, version=1)
	else:

JonathonReinhart / ve.sh

Created August 18, 2020 01:07

Bash function for easy virtualenv activation

	# Put this in your .bashrc or .bash_aliases

	# List virtual envs
	function list-virtualenvs() {
	for d in *; do
	if [[ -d "${d}" && -f "${d}/bin/activate" ]]; then
	echo "${d}"
	fi
	done
	}

JonathonReinhart / check_gofmt.sh

Last active April 17, 2020 21:25

Run gofmt in CI

	#!/bin/bash
	PATHS='*.go internal'

	# Run from project root
	cd "$(dirname "${BASH_SOURCE[0]}")"

	output="$(gofmt -l $PATHS)"

	if [ ! -z "$output" ]; then
	echo -e "The following files are not properly formatted:\n"

JonathonReinhart / human_size.py

Created March 29, 2019 01:52

Python human file size

	#!/usr/bin/env/python3
	import math

	def round_down(n, d=8):
	# https://stackoverflow.com/a/43533589/119527
	d = 10 ** d
	return math.floor(n * d) / d

	def human_size(n, decimal_places=2):
	n = float(n)

JonathonReinhart / ctypes_struct_array.py

Last active March 30, 2018 02:24

Populating an array member of a ctypes structure

	#!/usr/bin/env python3
	import sys
	from ctypes import *

	assert sys.version_info >= (3,5)

	class Struct(LittleEndianStructure):
	_fields_ = [
	('a', c_uint32),
	('b', c_uint32),

JonathonReinhart / Program.cs

Created February 18, 2018 23:12

Gotta catch 'em all: Last-chance exception handling in .NET with WinForms

JonathonReinhart / pipe_client.py

Last active August 8, 2024 12:27

Named Pipes between C# and Python

	import time
	import struct

	f = open(r'\\.\pipe\NPtest', 'r+b', 0)
	i = 1

	while True:
	s = 'Message[{0}]'.format(i).encode('ascii')
	i += 1

JonathonReinhart / rename-svn-repo.sh

Created February 18, 2018 22:38

Rename SVN repository

	#!/bin/bash

	if [[ $# -lt 2 ]]; then
	echo "Usage: `basename $0` oldrepo newrepo"
	exit 1
	fi

	# http://stackoverflow.com/q/1848415/
	OLDREPO=${1%/}
	NEWREPO=$2

JonathonReinhart / ctypes_structs_example.py

Last active November 4, 2022 13:39

Using Python ctypes to manipulate binary data

	#!/usr/bin/env python3
	from __future__ import print_function
	from tempfile import TemporaryFile
	from binascii import hexlify

	from ctypes import *

	class StructHelper(object):
	def __get_value_str(self, name, fmt='{}'):
	val = getattr(self, name)

JonathonReinhart / 20171128_radeon_lockup.txt

Created November 29, 2017 03:06

Radeon driver lockup

	Nov 28 21:24:06.432882 kernel: radeon 0000:01:00.0: ring 0 stalled for more than 10092msec
	Nov 28 21:24:06.441917 kernel: radeon 0000:01:00.0: GPU lockup (current fence id 0x0000000001ff9744 last fence id 0x0000000001ff9755 on ring 0)
	Nov 28 21:24:06.455092 kernel: radeon 0000:01:00.0: ring 4 stalled for more than 10104msec
	Nov 28 21:24:06.455374 kernel: radeon 0000:01:00.0: GPU lockup (current fence id 0x000000000100a400 last fence id 0x000000000100a401 on ring 4)
	Nov 28 21:24:06.655161 kernel: radeon 0000:01:00.0: ring 3 stalled for more than 10080msec
	Nov 28 21:24:06.655451 kernel: radeon 0000:01:00.0: GPU lockup (current fence id 0x0000000000d334fd last fence id 0x0000000000d3350e on ring 3)
	Nov 28 21:24:06.935108 kernel: radeon 0000:01:00.0: ring 0 stalled for more than 10596msec
	Nov 28 21:24:06.935390 kernel: radeon 0000:01:00.0: GPU lockup (current fence id 0x0000000001ff9744 last fence id 0x0000000001ff9755 on ring 0)
	Nov 28 21:24:06.959090 kernel: radeon 0000:01:00.0: ring 4 stalled for more than 106

Jonathon Reinhart JonathonReinhart