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# THIS PROJECT IS AN EXAMPLE APP. SOME CODE MAY NOT BE ACTUALLY USEFUL
# FOR DEMONSTRATION PURPOSES ONLY
# YOUR MILEAGE MAY VARY
# Requirements are Flask, Flask-WTF, Flask-SQLAlchemy

import os

from flask import (Flask,
                   Blueprint,
                   redirect,

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[
  {
    "name": "Aboleth",
    "meta": "Large aberration, lawful evil",
    "Armor Class": "17 (Natural Armor)",
    "Hit Points": "135 (18d10 + 36)",
    "Speed": "10 ft., swim 40 ft. ",
    "STR": "21",
    "STR_mod": "(+5)",
    "DEX": "9",

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package main

import (
	"fmt"

	"github.com/spf13/viper"
)

// Create private data struct to hold config options.
type config struct {

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package main

// This is an example of a resilient service worker program written in Go.
//
// This program will run a worker every 5 seconds and exit when SIGINT or SIGTERM
// is received, while ensuring any ongoing work is finished before exiting.
//
// Unexpected panics are also handled: program won't crash if the worker panics.

import (

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// http://en.wikipedia.org/wiki/Pairing_function
package main

import (
	"fmt"
	"math"
)

func InvertedCantorPairing(z int) (int, int) {
	w := int(math.Floor((math.Sqrt(float64(8*z+1)) - 1) / 2))

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// Embedded in this article https://medium.com/p/c98e491015b6
package main

import (
	"fmt"
	"log"
	"net/http"
	"time"

	"github.com/graph-gophers/graphql-go"

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// CSVToMap takes a reader and returns an array of dictionaries, using the header row as the keys
func CSVToMap(reader io.Reader) []map[string]string {
	r := csv.NewReader(reader)
	rows := []map[string]string{}
	var header []string
	for {
		record, err := r.Read()
		if err == io.EOF {
			break
		}

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# -*- coding: utf-8 -*-

import Image

def resize_and_crop(img_path, modified_path, size, crop_type='top'):
    """
    Resize and crop an image to fit the specified size.

    args:
        img_path: path for the image to resize.

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import "math"

// haversin(θ) function
func hsin(theta float64) float64 {
	return math.Pow(math.Sin(theta/2), 2)
}

// Distance function returns the distance (in meters) between two points of
//     a given longitude and latitude relatively accurately (using a spherical
//     approximation of the Earth) through the Haversin Distance Formula for

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How to migrate Django from SQLite to PostgreSQL

Dump existing data:

python3 manage.py dumpdata > datadump.json

Change settings.py to Postgres backend.

Make sure you can connect on PostgreSQL. Then: