Basic subtree:
git subtree push --prefix {directory} origin gh-pages
| from django.db import models, connection | |
| """ | |
| Haversine formula in Django using Postgres SQL | |
| Queries a model for all rows that are within a certain radius (given in meters) of a central point. | |
| The 'location_model' placeholder should be raplaced with the name of the table (full name) that includes a latitude and longitude column. | |
| The latitude and longitude columns should be decimal fields. | 
| package components | |
| import ( | |
| "crypto/rsa" | |
| jwt "github.com/dgrijalva/jwt-go" | |
| "io/ioutil" | |
| "log" | |
| "time" | |
| ) |