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Jenny Xin
Jenny Xin

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Jan 11, 2022

American Football Scoring Made Simple

How many points is a touchdown? What is a field goal? — If a team either passes the ball or runs to the opponent’s end zone (at the opposite end of the field), the team scores a touchdown and earns 6 points. The team can then earn an additional point by kicking the ball through the goal post OR… the team can earn…

American Football

2 min read

American Football Scoring Made Simple
American Football Scoring Made Simple
American Football

2 min read


Sep 6, 2021

Money accounts

Checking associated with a debit card easiest to convert to cash used to pay credit cards typically earns low to no interest typically has no rewards/cash back Institutions: Chase, Bank of America, … Savings long term storage may have limits on withdrawal typically earns low interest Institutions: Marcus, Chase, Bank of America…

Personal Finance

2 min read

Money accounts
Money accounts
Personal Finance

2 min read


Feb 22, 2021

Publish an online portfolio (for free!)

Setup your own website from scratch in 3 easy steps — 1. Code it up A basic website consists of an HTML, CSS, and Javascript file. HTML: content (e.g. text, images, links) CSS: style (e.g. color, sizing, spacing) Javascript: interaction (e.g. buttons, forms, animations) Feel free to use your own .html, .css, and .js file. If not, open a text editor…

Web Development

2 min read

Publish an online portfolio (from scratch!)
Publish an online portfolio (from scratch!)
Web Development

2 min read


Jun 25, 2020

Getting Started with Visa APIs in Spring Boot

Including how to set up Two-Way SSL authentication — The following tutorial goes over how to set up Two-Way SSL authentication by sending a simple API request to https://sandbox.api.visa.com/vdp/helloworld. Configure a Java Key Store 1. Make sure you download the 4 necessary files Private key (can only be downloaded once during the creation of a Visa Developer project) Project Certificate (a) VDP Certificate (b)

Spring Boot

3 min read

Getting Started with Visa API’s in Spring
Getting Started with Visa API’s in Spring
Spring Boot

3 min read


Mar 30, 2020

Upload and display images in an existing MERN app

The easiest guide to using Multer for image handling — FRONT-END 1. Configure component Add a property and handler for the images to the component state. this.state = { ..., images: [] } Then add a handler function to update the state. Remember to bind the function, i.e.this.onChangeImages = this.onChangeImages.bind(this), in the constructor if not using arrow functions! onChangeImages(e) { this.setState({ images: e.target.files …

Multer

3 min read

Upload and display images in an existing MERN app
Upload and display images in an existing MERN app
Multer

3 min read


Mar 30, 2020

Deploy an existing MERN app to Heroku

The easiest way to get an app up and running on a live server in just 5 steps — Before we begin, here is the folder structure we are working with to avoid any confusion. . ├── _client (React app) ├── _node_modules ├── .env ├── .gitignore ├── index.js (server file) ├── package-lock.json ├── package.json └── README.md Now here are the 5 steps: 1. Edit server file. In index.js, near the top add the…

Heroku

3 min read

Deploy an existing MERN project to Heroku
Deploy an existing MERN project to Heroku
Heroku

3 min read

Jenny Xin

Jenny Xin

1 Follower

Trying to remember what I coded @ jennyxin.com

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