Teemu Teemu

Python developer

Teemu / hack.sh

Last active August 29, 2015 14:26

Creating virtualenv with Python3 when everything fails

	pip3 install virtualenv
	python3.4 `which virtualenv` --python=`which python3.4` --no-site-packages env
	mv env ~/.virtualenvs/

Teemu / XX_turing_machine

Last active March 14, 2016 11:16

Turing machine that detects {ww | w contains {a,b}*}, try it at http://turingmachinesimulator.com/shared/gfemhnbiqs

Teemu / reset_webcam

Created March 14, 2016 11:04

Take timelapse with Raspberry Pi and unstable webcam

	#!/bin/sh
	# https://gist.github.com/x2q/5124616#file-usbreset-c-L41
	/usr/bin/usbreset /dev/bus/usb/001/002

Teemu / non_deterministic_automata_convertor.py

Created April 4, 2016 12:36

Convert a nondeterministic finite state automaton to a deterministic finite state automaton

	"""Convert a nondeterministic finite state automaton to a deterministic finite state automaton"""

	from collections import OrderedDict

	START = 'a'
	STATES = {
	'a': {
	0: {'a'},
	1: {'a', 'b'}
	},

Teemu / C++-debug-code.cc

Created April 17, 2016 15:43

C++ debug macros

	int PRINT_TIMES = 0;
	#define PRINT(x) PRINT_TIMES++; if (PRINT_TIMES <= 40) {std::cout << #x << " = " << x << "\n";}
	#define PRINT_VECTOR(x) PRINT_TIMES++; if (PRINT_TIMES <= 40){std::cout << #x << " = "; print_vector(x);}

	template <typename T>
	void print_vector(T &v) {
	std::cout << "{";
	bool first_value = true;
	for (auto i = v.begin(); i != v.end(); ++i) {
	if (first_value) {

Teemu / random_maari.py

Created April 22, 2016 12:08

	#!/usr/bin/env python
	import os
	import random

	computers = ['albatrossi', 'broileri', 'dodo', 'drontti', 'emu', 'fasaani', 'flamingo', 'iibis', 'kakadu', 'kalkkuna', 'karakara', 'kasuaari', 'kiuru', 'kiwi', 'kolibri', 'kondori', 'kookaburra', 'koskelo', 'kuukkeli', 'lunni', 'moa', 'pelikaani', 'pitohui', 'pulu', 'ruokki', 'siira', 'strutsi', 'suula', 'tavi', 'tukaani', 'undulaatti', 'akaatti', 'akvamariini', 'ametisti', 'baryytti', 'berylli', 'fluoriitti', 'granaatti', 'hypersteeni', 'jade', 'jaspis', 'karneoli', 'korundi', 'kuukivi', 'malakiitti', 'meripihka', 'opaali', 'peridootti', 'rubiini', 'safiiri', 'sitriini', 'smaragdi', 'spektroliitti', 'spinelli', 'timantti', 'topaasi', 'turkoosi', 'turmaliini', 'vuorikide', 'zirkoni']
	os.system('ssh %s' % random.choice(computers))

Teemu / thumbnails_and_gif.sh

Created June 18, 2016 16:09

	for FILE in *.mp4
	do
	echo $FILE
	rm output.jpg
	rm output.gif
	ffmpeg -ss 30 -i $FILE -vf "select=gt(scene\,0.4)" -frames:v 1 -vsync vfr -vf fps=fps=1/60 out%02d.jpg
	convert output.jpg -resize 900x900 ${FILE}.jpg
	#rm palette.png
	#ffmpeg -ss 20 -y -t 20 -i $FILE -vf fps=1,scale=640:-1:flags=lanczos,palettegen palette.png
	#ffmpeg -ss 20 -t 20 -i $FILE -i palette.png -filter_complex "fps=1,scale=640:-1:flags=lanczos[x];[x][1:v]paletteuse" output.gif

Teemu / cache_get.py

Created December 23, 2016 00:57

Request JSON data from API and cache the result so you won't abuse the servers when developing

	def cache_get(url):
	"""Request from API and cache the result"""
	import hashlib
	import json
	import os
	import requests

	domain = url.split('/')[2].split('.')[-2]
	path = os.path.join(
	'.cache',

Teemu / Hello.scala

Created August 31, 2017 08:22

	package example
	import dispatch._, Defaults._
	import play.api.libs.json._

	object Hello extends App {
	val svc = url("https://www.metaweather.com/api/location/search/?query=helsinki")
	val response = Http.default(svc OK as.String)
	val json = Json.parse(response())
	val woeid = (json \ 0 \ "woeid").get

Teemu / connect_to_proximo.sh

Created May 21, 2018 10:10

Fetching a file through SFTP using Proximo w/ ncat

sftp -o ProxyCommand='ncat --proxy PROXIMO_URL:1080 --proxy-auth PROXIMO_USERNAME:PROXIMO_PASSWORD --proxy-type socks5 -w 4 %h %p' user@host:FILE