David H Hagan dhhagan

Flask-SQLAlchemy Caching

The following gist is an extract of the article Flask-SQLAlchemy Caching. It allows automated simple cache query and invalidation of cache relations through event among other features.

Usage

retrieve one object

# pulling one User object

user = User.query.get(1)

Intro

To view the progress of a Powerpoint presentation, a progress bar can be displayed at the bottom of the slide show.

How to proceed

Once the slideshow is complete, go to Tools > Macro > Visual Basic Editor.

In the new window, select Insert > Module and copy this text in the blank page:

Sub AddProgressBar()
    On Error Resume Next

	import numpy as np
	from numpy.random import randn, rand
	from scipy.optimize import minimize
	import matplotlib.pyplot as plt
	from nnls import nnlsm_blockpivot as nnlstsq
	import itertools
	from scipy.spatial.distance import cdist

	def censored_lstsq(A, B, M):
	"""Solves least squares problem with missing data in B

	{
	"vars": {
	"@gray-base": "#000",
	"@gray-darker": "lighten(@gray-base, 13.5%)",
	"@gray-dark": "lighten(@gray-base, 20%)",
	"@gray": "lighten(@gray-base, 33.5%)",
	"@gray-light": "lighten(@gray-base, 46.7%)",
	"@gray-lighter": "lighten(@gray-base, 93.5%)",
	"@brand-primary": "darken(#428bca, 6.5%)",
	"@brand-success": "#5cb85c",

	'''
	Written by David Hagan
	January 8, 2015

	This script reads data from the Bacharach ECA 450 Combustion analyzer through the serial interface and
	logs the data to a file

	In the future (If I ever use the Bacharach again), I aim to convert this into a GUI for ease of use.

	Description of Columns:

	{
	"vars": {
	"@gray-darker": "lighten(#000, 13.5%)",
	"@gray-dark": "lighten(#000, 20%)",
	"@gray": "lighten(#000, 33.5%)",
	"@gray-light": "lighten(#000, 46.7%)",
	"@gray-lighter": "lighten(#000, 93.5%)",
	"@brand-primary": "#428bca",
	"@brand-success": "#5cb85c",
	"@brand-info": "#5bc0de",

	#!/usr/bin/env python

	import os, sys
	sys.path.append(os.getcwd())

	import logging
	import rq

	MAX_FAILURES = 3

	jQuery(function($) {
	$('form[data-async]').live('submit', function(event) {
	var $form = $(this);
	var $target = $($form.attr('data-target'));

	$.ajax({
	type: $form.attr('method'),
	url: $form.attr('action'),
	data: $form.serialize(),

	countries = [
	{'timezones': ['Europe/Andorra'], 'code': 'AD', 'continent': 'Europe', 'name': 'Andorra', 'capital': 'Andorra la Vella'},
	{'timezones': ['Asia/Kabul'], 'code': 'AF', 'continent': 'Asia', 'name': 'Afghanistan', 'capital': 'Kabul'},
	{'timezones': ['America/Antigua'], 'code': 'AG', 'continent': 'North America', 'name': 'Antigua and Barbuda', 'capital': "St. John's"},
	{'timezones': ['Europe/Tirane'], 'code': 'AL', 'continent': 'Europe', 'name': 'Albania', 'capital': 'Tirana'},
	{'timezones': ['Asia/Yerevan'], 'code': 'AM', 'continent': 'Asia', 'name': 'Armenia', 'capital': 'Yerevan'},
	{'timezones': ['Africa/Luanda'], 'code': 'AO', 'continent': 'Africa', 'name': 'Angola', 'capital': 'Luanda'},
	{'timezones': ['America/Argentina/Buenos_Aires', 'America/Argentina/Cordoba', 'America/Argentina/Jujuy', 'America/Argentina/Tucuman', 'America/Argentina/Catamarca', 'America/Argentina/La_Rioja', 'America/Argentina/San_Juan', 'America/Argentina/Mendoza', 'America/Argentina/Rio_Gallegos', 'America/Argentina/Ushuai