Thursday, April 28, 2022

Error Message Hardhat debugging error unsupported engine hardhat, current node v18

Error message


Unsupported engine {

package: 'hardhat@2.9.3',

required: { node: '^12.0.0 || 14.0.0 || 16.0.0' }

current: { node: 'v18.0.0', npm: '8.6.0' }




It may be surprising that to use the latest smart contract development tool Hardhat, you will need to use an older version of Node.js, NOT the current node.js 18. Revert it to node 12, 14, 16.

Friday, April 22, 2022

Getting Started with Twilio for Developers

 Twilio mark up language TwiML

<Response> <Say> <Play> <Gather>. There are more we haven’t listed here.

Example markup file:

<?xml version="1.0" encoding="UTF-8"?>


    <Say>Thanks for calling!</Say>


Natural Language Processing with Twilio

NLP with Twilio

Twilio No Code Solution

No-code development using Twilio Studio, drag and drop, link to make your twilio app.

Twilio Video

Functionality: use command line auto generate an URL utilizes programmable video 
Functionality: video calls

Big Numbers You Should Know - Technical Interviews, Power of 2


Big Numbers You Should Know Technical Interviews Power of 2. 

KB kilobyte, megabytes MB, GB gigabyte, TB terabyte, Peta, Exa, Zetta, Yotta

Udacity illustrates PCA

Udacity uses this analogy to illustrate how to convert a long run-on sentence into a short phrase "I had a coffee and a pastry."

Yarn package manager

 #Installing all the dependencies of project


# Starting a new project

yarn init

"Yarn is a package manager for your code. It allows you to use and share (e.g. JavaScript) code with other developers from around the world."

React UI, UI UX, Reactstrap React Bootstrap

React UI MATERIAL  Install yarn add @material-ui/icons Reactstrap FORMS. Controlled Forms. Uncontrolled Forms.  Columns, grid