Skip to content

Instantly share code, notes, and snippets.

View copperlight's full-sized avatar

Matthew Johnson copperlight

44 followers · 5 following
View GitHub Profile
@copperlight
copperlight / raspberry_pi-ssh_lag_fix
Created November 19, 2015 06:48
https://github.com/raspberrypi/linux/issues/963
I found that changing a line in /etc/nsswitch.conf fixes it, with avahi-daemon running.
"hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4"
should become:
"host: files dns"
@copperlight
copperlight / raspberry_pi-wifi_config
Created November 19, 2015 06:50
# for 2.4G networks; the edimax adapter does not support 5G
pi@raspberrypi ~ $ sudo cat /etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
network={
ssid="$SSID"
psk="$PRE_SHARED_KEY"
proto=RSN
key_mgmt=WPA-PSK
@copperlight
copperlight / raspberry_pi-enable_ssh
Created November 19, 2015 06:51
sudo raspi-config
Advanced > SSH > Enable
@copperlight
copperlight / diamond.clj
Created April 17, 2016 21:10
(defn diamond [width offset]
(doseq [w (take-nth 2 (concat (range 1 width) (range width 0 -1)))]
(do
(print (apply str (repeat offset " ")))
(print (apply str (repeat (/ (- width w) 2) " ")))
(print (apply str (repeat w "x")))
(println))))
@copperlight
copperlight / fizzbuzz.clj
Created April 17, 2016 22:03
(defn fizzbuzz [start end]
(doseq [n (range start end)]
(cond
(zero? (mod n 15)) (println "FizzBuzz")
(zero? (mod n 5)) (println "Buzz")
(zero? (mod n 3)) (println "Fizz")
:else (println n))))
@copperlight
copperlight / diamond.py
Created April 28, 2016 17:40
def diamond(width, offset):
for w in (range(1, width) + range(width, 0, -1))[::2]:
print " " * offset,
print " " * int((width - w) / 2),
print "x" * w
@copperlight
copperlight / bottle_and_gunicorn.py
Last active June 8, 2016 01:12 — forked from ourway/bottle_and_gunicorn.py
Running a bottle app with gunicorn
from bottle import Bottle
app = Bottle()
@app.route('/')
def index():
'''test me'''
return '<h1>Hello Bottle!</h1>'
app.run(host='localhost', port=8080, server='gunicorn', reload=True, workers=4, debug=True)
@copperlight
copperlight / install-python-3.7.sh
Last active August 17, 2019 07:09
Install Python 3.7 on Raspbian Stretch
sudo apt-get install screen
screen
PACKAGES=(
"build-essential"
"libbz2-dev"
"libdb5.3-dev"
"libexpat1-dev"
"libffi-dev"
@copperlight
copperlight / alsa-config-raspbian.md
Last active August 19, 2019 03:07
Raspbian Stretch ALSA Config for PyAudio
@copperlight
copperlight / logprocessing.py
Last active October 22, 2020 04:50
import bz2
import fnmatch
import gzip
import os
import re
from typing import Callable, Generator, List, Optional, Pattern, Tuple
"""
Generators for building log processing pipelines.