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#!/bin/bash
# bash generate random alphanumeric string
#

# bash generate random 32 character alphanumeric string (upper and lowercase) and 
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1

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{
    "USD": {
        "symbol": "$",
        "name": "US Dollar",
        "symbol_native": "$",
        "decimal_digits": 2,
        "rounding": 0,
        "code": "USD",
        "name_plural": "US dollars"
    },

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PWA

A lot of people think that native web its best than web

PWA they combine the best of the web with the best of the app

• reliable (low connection)
• fast (animation)
• engagable (notificaiton, home screen)

Caching strategies

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PWA

What and Why

What

Definitions:

Unlike traditional applications, progressive web apps are a hybrid of regular web pages (or websites) and a mobile application. This new application model attempts to combine features offered by most modern browsers with the benefits of mobile experience.

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* { margin: 0; padding: 0; }

abbr,acronym,blockquote,code,dir,kbd,listing,plaintext,q,samp,tt,var,xmp { hyphens: none; }

html {
  padding: 2em;
	
	font: normal 18px/1.25 Source Sans Pro, sans-serif;
	color: #000;
	hyphens: auto;

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export const numberWithThousandsSeparator = (
  number,
  decimalDigits = 0,
  separator = ",",
  decimalSeparator = "."
) => {
  let isNegative = false;

  if (!number) return number;
  if (number >= 0 && number < 1000)

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For example, to override the AppBar (https://material-ui-next.com/api/app-bar/) root class we can do the following:

First method (override Material UI classnames):

1 - Add the property classes in the AppBar component:

    <AppBar classes={{root: 'my-root-class'}}

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Dependences:

sudo apt-get update
sudo apt-get install build-essential
apt-get install python-dev
sudo pip install -U setuptools

Steps:

download from https://mrjbq7.github.io/ta-lib/install.html

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import asyncio
import random


class Hub():

    def __init__(self):
        self.subscriptions = set()

    def publish(self, message):

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########################
# UUID for SQLite hack #
########################

from sqlalchemy.types import TypeDecorator, CHAR
from sqlalchemy.dialects.postgresql import UUID
import uuid


class GUID(TypeDecorator):