RaphaelSmith TutorialDoctor

I spend most of my time learning new stuff, and sometimes I teach it.

TutorialDoctor / sqlalchemy_relationships.py

Last active January 9, 2022 18:56

Demonstration of SqlAlchemy relationship types

	from sqlalchemy import create_engine,ForeignKey,Column,Date,Integer,String,Boolean
	from sqlalchemy.ext.declarative import declarative_base
	from sqlalchemy.orm import relationship,backref,sessionmaker

	# Course has many sections
	# Section belongs to many courses
	# Section has a label
	# Label belongs to many sections
	# Label belogns to many courses
	# Section has a label

TutorialDoctor / gif_to_pngs

Last active January 8, 2022 10:43

Convert gif to png images

	from PIL import Image
	from PIL import GifImagePlugin
	import os,time,zipfile

	imageObject = Image.open("./source.gif")
	# info = imageObject.info

	for frame in range(0,imageObject.n_frames):
	imageObject.seek(frame)
	#imageObject.info['transparency'] = 255

TutorialDoctor / video_to_png.py

Created November 27, 2020 14:30

Convert MP4 video to a PNG sequence

	# This code is not mine:
	# https://www.geeksforgeeks.org/extract-images-from-video-in-python/

	# pip3 install opencv-python

	# Importing all necessary libraries
	import cv2
	import os

	# Read the video from specified path

TutorialDoctor / vue_vuex.html

Last active January 18, 2020 20:00

Vue Vuex Tailwind and Axios in a single HTML file

	<!DOCTYPE html>
	<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
	<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
	<!--[if IE 8]> <html class="no-js lt-ie9"> <![endif]-->
	<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->
	<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title></title>
	<meta name="description" content="">

TutorialDoctor / summarizer.py

Created January 1, 2020 19:04

Summarize web pages given a URL

	import bs4 as bs
	import urllib.request
	import re
	import nltk

	#Install beautifulsoup
	#Article this is from:
	#https://stackabuse.com/text-summarization-with-nltk-in-python/
	#NLTK help:
	#https://stackoverflow.com/questions/4867197/failed-loading-english-pickle-with-nltk-data-load

TutorialDoctor / python_decorator_tutorial.py

Last active January 7, 2019 10:29

Tutorial Code for Python Decorators

	# A decorator is a function that takes a function as an argument and adds a bow tie on top of it.
	def decorator(func):
	return func
	#This "decorator" doesn't really decorate the input function. It just returns the input function.

	@decorator
	def aFunc():
	print('hello\n')
	aFunc()

TutorialDoctor / edit_distance.py

Created December 12, 2018 14:48

Similarity of two strings using Levenstein distance. Edited slightly from code found online.

	"""
	Problem Statement
	=================
	Given two strings str1 and str2, find the minimum number of edits (edit one character to another, delete char from str1
	or delete char from str2) to change str1 to str2.
	Video
	-----
	* https://youtu.be/We3YDTzNXEk
	Analysis
	--------

TutorialDoctor / basic_mongo.py

Created December 11, 2018 21:13

Testing pymongo for python with a mongo database

	from pymongo import MongoClient
	#pip3 install pymongo

	if __name__ == "__main__":
	client = MongoClient()
	db = client.test_database
	people = db.people

	people.insert_one({'name':'Mike','food':'cheese'})
	people.insert_one({'name':'John','food':'ham','location':'UK'})

TutorialDoctor / student.py

Last active May 5, 2020 10:36

This program can read "A is B" statements and parse them into KEY-VALUE pairs. Trying to teach the computer how to learn.

	import urllib,pprint
	from bs4 import BeautifulSoup

	def train(url):
	html=urllib.urlopen(url).read()
	soup = BeautifulSoup(html)
	# kill all script and style elements
	for script in soup(["script", "style"]):
	script.extract() # rip it out
	text = soup.get_text()

TutorialDoctor / JavascriptSyntax.js

Last active January 28, 2018 01:44

Javascript Syntax

	var intro = "Remove multiline comments to run the code therein"
	var __version__ = "0.1"
	document.write("Version:" +__version__)

	function capitalize(s)
	{
	return s[0].toUpperCase() + s.slice(1);
	}

	function title1(name=""){