Simone rtu-dataframe

Enthusiast Founder, CEO & IIOT/Tech addicted.

rtu-dataframe / managers.py

Created February 5, 2024 16:56 — forked from OdinsPlasmaRifle/managers.py

Haversine formula in Django using Postgres SQL

	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.

	# An R script to estimate MQ gas sensors correlation curve and compute Ro, min and max Rs/Ro
	#
	# Copyright (c) Davide Gironi, 2016
	#
	# Released under GPLv3.
	# Please refer to LICENSE file for licensing information.

	# How to use this script:
	# 1) set limits as datasheet curve ("xlim" and "ylim")
	# ex.

rtu-dataframe / dev_signed_cert.sh

Created April 9, 2019 06:12 — forked from dobesv/dev_signed_cert.sh

Script to create (1) a local certificate authority, (2) a host certificate signed by that authority for the hostname of your choice

	#!/usr/bin/env bash
	#
	# Usage: dev_signed_cert.sh HOSTNAME
	#
	# Creates a CA cert and then generates an SSL certificate signed by that CA for the
	# given hostname.
	#
	# After running this, add the generated dev_cert_ca.cert.pem to the trusted root
	# authorities in your browser / client system.
	#

rtu-dataframe / retry.py

Created February 18, 2019 16:56 — forked from willcalderbank/retry.py

Python retry decorator

	def retry(times, exceptions):
	"""
	Retry Decorator

	Retries the wrapped function/method `times` times if the exceptions listed
	in ``exceptions`` are thrown

	:param times: The number of times to repeat the wrapped function/method
	:type times: Int
	:param Exceptions: Lists of exceptions that trigger a retry attempt