bjpcjp

# Rails 6.0.2.3
# 'Behavior' = std Rails scaffold with one name:string attribute.
# rails db:migrate = no problem.
# rails test = 2 fails below. other controllers (~60, identical except for object name) pass.

Error:
BehaviorsControllerTest#test_should_destroy_behavior:
NoMethodError: undefined method `count' for ActionDispatch::IntegrationTest::Behavior:Module
    test/controllers/behaviors_controller_test.rb:42:in `block in <class:BehaviorsControllerTest>'
    test/controllers/behaviors_controller_test.rb:42:in `block in <class:BehaviorsControllerTest>'

bjpcjp

# Author: Tom Dupre la Tour
#
# License: BSD 3 clause
import time
import sys

try:
    import annoy
except ImportError:
    print("The package 'annoy' is required to run this example.")

bjpcjp

from blankly import Alpaca, CoinbasePro # supports stocks, crypto, and forex
import numpy as np
from math import sqrt


def cagr(start_value: float, end_value: float, years: int):
    return (end_value / start_value) ** (1.0 / years) - 1

def sharpe(account_values: np.array, risk_free_rate, annualize_coefficient):
    diff = np.diff(account_values, 1) / account_values[1:] # this gets our pct_return in the array

bjpcjp

#!/usr/bin/env bash

# source: https://sharats.me/posts/shell-script-best-practices/

set -o errexit
set -o nounset
set -o pipefail
if [[ "${TRACE-0}" == "1" ]]; then
    set -o xtrace
fi