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React News Saturday, June 30

Learn React with Kent C. Dodds

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Learn React with Kent C. Dodds

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Interactive Product Page with React and Cloudinary

  • With Cloudinary, we will account for the following challenges in this article: – – – – Varying Image Sizes: Product images in multiple sizes (thumbnail, main image, hi-res zoom image).
  • This is a terrible idea because if each image is 800kb with 3 variations, you end up with the following: – – – – 1 main (800) + (1 thumb (800) x 3 models) = 3200kb = 3.2mb – – Cloudinary enables you to specify the size you prefer during…
  • Let’s see an example: – – import React, { Component } from ‘react’; – import {Image, CloudinaryContext, Transformation} from ‘cloudinary-react’; – – const ImageTransformations = ({width, selectedShirt}) = { – return ( – Image Transformation width={width} crop=scale / – /Image – ); – }; – – class App extends Component…
  • ‘active’: ”} thumb)} key={thumb.id} – {/*Image publicId={thumb.main}*/} – {/*Transformation width=75 crop=scale /*/} – {/*/Image*/} – ImageTransformations – width=75 – rgb={rgb} – selectedShirt={thumb} – text={‘ ‘} / – /li – ) – })} – /ul – /div – /div – /CloudinaryContext – /div – ); – } – } – -…
  • Cloudinary makes it possible to use just one image and adjust the RGB channels from the original color with simple effect=red:255 / – Transformation effect=blue:255 / – Transformation effect=green:255 / – We can apply it in the previous example as shown below: – – … – import { SketchPicker }…

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Interactive Product Page with React and Cloudinary

What can a freelancer do to improve cash flow?

  • This provides the information which highlights the main cash flow issues.
  • As a freelancer, there are many ways to improve your cash flow.
  • Basic Management Tips For Improving Cash Flow: – – – Make preparing invoices one of your highest priorities.
  • Before sending the first invoice to a new customer, ask for the name of the person who authorizes the payment, and addresses the invoice to that person.
  • Mastering cash flow and ensuring that you can afford to pay your bills and feed your family is critical to being a successful freelancer.

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What can a freelancer do to improve cash flow?

How to Prevent Your Users from Using Breached Passwords

  • The new NIST recommendations mean that every time a user gives you a password, its your responsibility as a developer to check their password against a list of breached passwords and prevent the user from using a previously breached password.
  • To combat this, the officially recommended NIST solution is that you check each user-provided password to ensure it isnt one of these leaked credentials thereby reducing the odds that an attacker will be able to easily guess user credentials on your site.
  • To help developers adopt this new NIST recommendation, Troy Hunt created the free service Have I Been Pwned which aggregates all data breaches into a massive database.
  • In order to make it easy for you to check your users passwords against the Have I Been Pwned database, we recently created the passprotect-js developer library.
  • Its designed as a simple JavaScript library that can be dropped into any web page (anywhere on the page), that will check your users passwords against the Have I Been Pwned API service and inform the user if the password theyre using has been involved in a breach: – -…

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How to Prevent Your Users from Using Breached Passwords | Okta Developer

Balance between

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Balance between

A Short List Of Handmade React Components That Will Fit Your Daily Needs

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A Short List Of Handmade React Components That Will Fit Your Daily Needs

Design 4 Drupal: The future of JavaScript in Drupal

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Design 4 Drupal: The future of JavaScript in Drupal | Dries Buytaert

A story about React, Redux and server-side rendering

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A story about React, Redux and server-side rendering | Plow

Ruby on Rails Is Dead — 2018 Edition – JetRuby

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Ruby on Rails Is Dead — 2018 Edition – JetRuby

Top React Courses

Modern React with Redux (86,762 students enrolled)

By Stephen Grider
  • Build amazing single page applications with React JS and Redux
  • Master fundamental concepts behind structuring Redux applications
  • Realize the power of building composable components
  • Be the engineer who explains how Redux works to everyone else, because you know the fundamentals so well
  • Become fluent in the toolchain supporting React, including NPM, Webpack, Babel, and ES6/ES2015 Javascript syntax

Learn more.


The Complete React Native and Redux Course (53,888 students enrolled)

By Stephen Grider
  • Create real-world native apps using React Native
  • Make truly reusable components that look great
  • Understand the terminology and concepts of Redux
  • Prototype and deploy your own applications to the Apple and Google Play Stores
  • Get up to speed with React design principles and methodologies
  • Discover mobile design patterns used by experienced engineers

Learn more.


Advanced React and Redux (35,016 students enrolled)

By Stephen Grider
  • Build a scaleable API with authentication using Express, Mongo, and Passport
  • Learn the differences between cookie-based and token-based authentication
  • Figure out what a Higher Order Component and how to use it to write dramatically less code
  • Write Redux middleware from scratch to uncover what is happening behind the scenes with Redux
  • Set up your own testing environment with Mocha and Chai
  • Realize the power of building composable components

Learn more.


React Redux React-Router: From Beginner to Paid Professional (11,715 students enrolled)

By Leonardo Daniel
  • Building your amazing web applications with React JS and Redux
  • Getting a high-paying job as a front-end developer
  • Getting experience through doing many exercises. Re-enforcing your knowledge of ES6, advanced JavaScript, Redux, React through attempting a lot of quizzes. Practice makes perfect.
  • Becoming familiar with the technologies supporting React, including NPM, Webpack, Babel, and ES6/ES2015.

Learn more.


React Native: Advanced Concepts (16,058 students enrolled)

By Stephen Grider
  • Make compelling applications using expert-level features of React Native
  • Create amazingly smooth and performant animations
  • Build new React Native apps with Expo
  • Understand the latest Navigation options for new React Native apps
  • Add logic to your Firebase backend with Google Cloud Functions
  • Update your users with cross platform Push Notifications
  • Handle your users going offline with Redux Persist

Learn more.


React JS and Redux - Mastering Web Apps (54,299 students enrolled)

By David Katz
  • Develop entire React JS and Redux applications from scratch.
  • Build applications that deal with APIs and web requests.
  • Discuss ES6 and advanced JavaScript.
  • Create web apps with full authentication, and real-time database.

Learn more.


React basic in just 1 hour (22,331 students enrolled)

By Leo Trieu
  • Taste of how to build your very first React component.
  • How to handle event in components.
  • Understand two key concepts of React: State and Props.
  • How to reuse and nest components.
  • How to transfer data between Parent, Child components.
  • How to work with Array, Form

Learn more.


Meteor and React for Realtime Apps (7,889 students enrolled)

By Stephen Grider
  • Create interactive web apps amazingly fast
  • Build amazing single page applications with Meteor and React JS
  • Master fundamental concepts behind structuring Meteor applications
  • Learn the true purpose of Meteor in a modern application
  • Be the engineer who explains how Meteor works to everyone else, because you know the fundamentals so well
  • Build and prototype interesting personal projects in a weekend

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GraphQL with React: The Complete Developers Guide (14,683 students enrolled)

By Stephen Grider
  • Build amazing single page applications with React JS and GraphQL
  • Master fundamental concepts behind structuring GraphQL servers
  • Realize the power of building flexible data schemas
  • Be the engineer who explains how GraphQL works to everyone else, because you know the fundamentals so well
  • Become fluent in the ecosystem supporting GraphQL, including the differences between Apollo and Relay

Learn more.


Essentials in JavaScript ES6 - A Fun and Clear Introduction (40,155 students enrolled)

By David Katz
  • Create ES6 applications from the ground up.
  • Use the terminal/command-line application and a code editor to code.
  • Look at ES6 code and understand keyword and concepts.
  • Create live development servers with Webpack.

Learn more.


The Full JavaScript & ES6 Tutorial - (including ES7 & React) (55,808 students enrolled)

By David Katz
  • Code in JavaScript like a pro.
  • Code in es6 comfortably, using all the new features.
  • Build es6 projects from the ground up using tools like webpack and babel.
  • Create a basic ReactJS application from scratch.

Learn more.