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#!/usr/bin/python

# reference => http://www.puffinwarellc.com/index.php/news-and-articles/articles/33.html

from numpy import zeros
from scipy.linalg import svd
from math import log	# needed for TFIDF
from numpy import asarray, sum

titles = ["The Neatest Little Guide to Stock Market Investing",

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[
  {
    "url": "http://money.cnn.com",
    "rss": "http://rss.cnn.com/rss/money_topstories.rss"
  },
  {
    "url": "http://thehill.com",
    "rss": "http://thehill.com/rss/syndicator/19110"
  },
  {

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• any: magic, ill-behaved type that acts like a combination of never (the proper [bottom type]) and unknown (the proper [top type])
  • Anything at all is assignable to any, and any is assignable to anything at all.
  • Identities: any & AnyTypeExpression = any, any | AnyTypeExpression = any
  • Key TypeScript feature that allows for [gradual typing].
• unknown: proper, well-behaved [top type]
  • Anything at all is assignable to unknown. unknown is only assignable to itself (unknown) and any.
  • Identities: unknown & AnyTypeExpression = AnyTypeExpression, unknown | AnyTypeExpression = unknown

• Prefer over any whenever possible. Anywhere in well-typed code you're tempted to use any, you probably want unknown.

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AOE2HD - For Mac OSX

Estimated time: 10 minutes

Notice

PlayOnMac does not work on macOS Catalina, and issues have been reported with the latest version of Steam. Updating is in progress, read more here.

When the updates are released this guide will be updated.

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aws dynamodb create-table --region <REGION> --profile <PROFILE> --table-name "<TABLE>" --attribute-definitions "AttributeName=key,AttributeType=S" --key-schema "AttributeName=key,KeyType=HASH" --billing-mode "PAY_PER_REQUEST"
aws dynamodb create-table --region <REGION> --profile <PROFILE> --table-name "<TABLE>" --attribute-definitions "AttributeName=key,AttributeType=S" --key-schema "AttributeName=key,KeyType=HASH" --billing-mode "PROVISIONED" --provisioned-throughput "ReadCapacityUnits=1,WriteCapacityUnits=1"
aws dynamodb update-time-to-live --region <REGION> --profile <PROFILE> --table-name "<TABLE>" --time-to-live-specification "Enabled=true,AttributeName=ttl"
aws dynamodb scan --region <REGION> --profile <PROFILE> --table-name "<TABLE>"

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/**
 * subscriptions data format: 
 * { eventType: { id: callback } }
 */
const subscriptions = { }
const getNextUniqueId = getIdGenerator()

function subscribe(eventType, callback) {
    const id = getNextUniqueId()

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FILE SPACING:

 # double space a file
 sed G

 # double space a file which already has blank lines in it. Output file
 # should contain no more than one blank line between lines of text.
 sed '/^$/d;G'

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import { useState } from 'react';

// Usage
function App() {
  // Similar to useState but first arg is key to the value in local storage.
  const [name, setName] = useLocalStorage('name', 'Bob');

  return (
    <div>
      <input

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import * as React from 'react';
import Axios, { AxiosInstance } from 'axios';
import { createContext, consume } from '../lib/context-utils';
import { AuthContext } from './AuthProvider';

export const ApiContext = createContext('apiContext', {
  api: undefined as AxiosInstance | undefined,
  auth: undefined as React.ContextType<typeof AuthContext> | undefined,
})

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import React from 'react'
import firebaseConfig from '../path/to/firebase-config'
import firebase from 'firebase/app'
import 'firebase/auth'
import FullPageLoading from '../path/to/full-page-loading'

AuthProvider.actions = {
  setUser: 'SET_USER',
  toggleLoading: 'TOGGLE_LOADING',
}