fabiochiu/medium-articles huggingface dataset:
Caregiving in the U.S. Military
By: Jeannette Haynie
Tags: Gender Equality, Military, Parenthood, Gender, Caregiving

Security | Gender

On December 1, we at Athena Leadership Project held our third round table event in partnership with the amazing women at the Center for New American Security’s Military, Veterans, and Society program. CNAS and MVS have been amazing supporters of our work at Athena — despite the craziness of a pandemic and how it’s thrown our world upside down.

Caregiving can place unique burdens on service members given the demands of a military career, burdens that disproportionately affect women. Additionally, the family unit has changed substantially in the past few decades, potentially outpacing existing work/life policies. This includes trends toward later marriage and parenthood, more dual-income couples, multi-generational households, and an increase in the number of single parents, while those in the “sandwich generation” may be caring for both children and aging parents. Identifying ways to better support troops who are trying to juggle competing demands is an increasingly high priority. As the military seeks to retain top-tier talent in an increasingly diverse America, we will discuss those burdens in the context of how the military can better support individuals, particularly women, and families.

Athena Leadership Project directors Jeannette Gaudry Haynie, PhD and Kyleanne Hunter, PhD led a powerful discussion on the lived experiences of panelists MSgt Elizabeth Delellis, USMC (Ret); MSgt Tonya James, USMC (Ret); LCDR Alison Maruca, USNR; and Maj Frances Mercado, USAF.

Today, caregiving is — if at all possible — more relevant now than ever. As COVID has changed the shape of our lives in every way, we can see the way the burdens of caregiving are disproportionately impacting women. The toll of caregiving is pushing women out of the labor force at alarming rates — and potentially setting women back a generation.

And far from a new trend, this is just an extension of business as normal for the United States, which has long used mothers as the “backup plan” for life’s crises.

So when we met with our panel for a conversation on caregiving and careers on December 1, COVID was on everyone’s minds. Please join us and listen into the audio from our event — and stay tuned for future events! Follow us on Twitter and LinkedIn too.

Audio: https://www.cnas.org/events/virtual-panel-discussion-caregiving-in-the-military-athena-leadership-project
Social Media App(SocialApe)
By: Rahul Singh
Tags: React, Reactjs, API, Firebase

SocialApe is an open-source project built on React . React is a powerful library of Javascript to construct the user interface. In this post, as a social network, we tried to show some characteristics of react components. It is convenient for a developer to build his or her own concept and environment for the structure of this project. The app stores its data in Firebase. It uses Redux to manage the internal state of the application and it uses Material Design for the UI, along with React.

To make the App, Steps are:

Intialize and Configure firebase. Make API end points. Create React App. Integrate the backend and frontend part.

Check Out Final App video : https://drive.google.com/file/d/1Lpco5UYuwlxX7buGiSyqr7JW4-rVVfwL/view?usp=sharing

Github Link for code : https://github.com/rahulsingh2310/socialape/tree/main

Create all the tables which store user data.

Firebase Database

Create all the apis which is necessary.

Scream APIs

app.get(‘/screams’, getAllScreams);

app.post(‘/scream’, FBAuth , postOneScream);

app.get(‘/scream/:screamId’, getScream);

app.post(‘/scream/:screamId/comment’, FBAuth, commentOnScream);

app.get(‘/scream/:screamId/like’, FBAuth, likeScream);

app.get(‘/scream/:screamId/unlike’, FBAuth, unlikeScream);

app.delete(‘/scream/:screamId’, FBAuth, deleteScream);

User APIs

app.post(‘/signup’, signup);

app.post(‘/login’, login);

app.post(‘/user/image’, FBAuth, uploadImage);

app.post(‘/user’, FBAuth, addUserDetails);

app.get(‘/user’, FBAuth, getAuthenticatedUser);

app.get(‘/user/:handle’, getUserDetails);

app.post(‘/notifications’, FBAuth, markNotificationsRead);

React App to display and update, Post data

Summary

This app basically based on CRUD (Create, Read, Update, Delete) which are four basic functions. It is social media like app where user can post , see all the posts , update its bio and delete the post. It brush up my CRUD functions. The APIs were really good handling all the errors , for posting the data we have middleware which makes our api more secure. The Authentication was Token - based. The React app also brushup the Css properties, Material UI as well as Redux. I have created this blog as part of ImbueDesk ENS Pvt Ltd Interview process.

Rahul Kumar Singh

INDIAN INSTITUTE OF INFORMATION TECHNOLOGY, SRICITY

ImbueDesk ENS Pvt Ltd
What are the Props? (React-1)
By: Chaudhary Sarimurrab
Tags: React, Reactjs, Props And State

30 Sec Read

We send the data from parent to child component using PROPS. Functional components or Class components send the data from parent to child that’s why we call it unidirectional in nature.

Parent Component — APP

Here, App is the Parent component and Lunch is the child component. We are passing the data as props in the Lunch tag in the Parent component(App). And we are using the data in child component (Lunch)

Child Component — Lunch

Now, Make your own definition for PROPS.
Zero-bundle-Size | Server Components all you need to know.
Tags: React, Reactjs, Servercomponents, Facebook

If you’re reading this story I’m sure that you at least know what React Component is and I know, now you’re in a rush and have no time to read things that you don’t understand. So, I try my best to make things easy.

So, What is a Server Component?

Components that are rendered on the server and returned to the client and all the JSX inside the server component are returned not as HTML but as a different format. Server components are not something that you will soon get in an upcoming update but it is something that Facebook wants to introduce in react. There is no official documentation or something like that about the Server Component.

Pros and Cons:

Cannot have any interactivity and is static, which means we can’t view state or add event listeners.

Server Components can import Client components so if you wish to add interactivity, Client components can have interactivity so use the Client component inside the Server component.

We can pass props to the Client component from the Server component only if that prop is serializable over the network else is an error. That means you cannot pass a function as props as it is not serializable & of course JSX is serializable.

SSR(Server Side Rendering) and Server Components are both similar in concepts. In Server Components the client-side state is never blown away and it’s always preserved. That means if you open a dropdown menu and click a component that displays another server component you can still see the dropdown or no change to client-side state even after using the network. The reason why we can do this on a Server Component is Server Component doesn’t render to HTML they render to a special format. That’s one advantage that you will never get in SSR. Yes, you can use both SSR and Server Component in your application both are complimentary.

Server Components have zero effect on bundle size.

Server Components let you access the backend resources directly such as database or file system.

New concepts

After an update to React with Server Components, it’s totally your wish to use the Server Component, React never forces you to use it.

If you want to create a server component you need an extension “.server.js”.

For example ProductList.server.js

And if you want to create a Client Component you need an extension “.client.js”.

This way of formatting aware React which is Server Component and which is Client Component.

What happens if you don’t add “.client” or “.server” to the Component file name?

Then these components are called Shared Components. Shared components can render on both server and client. Whether or not it renders on the server or client is determined by what kind of component is importing the component. If you import it in Server Component then it is Server Component else it is Client Component. Shared components will not get downloaded earlier they get downloaded according to the need.

You can find a youtube video explaining all about Server Component: link

Thanks.
Hi Tyler,
By: Eyas Mattar
Tags: React, Reactjs, JavaScript, Hooks

Hi Tyler,

Thank you.

The UseResizeObserver assumes you are using React, so when invoking, it is found in a context where we have React library, some component and jsx.

If we want to use native JS or some browser API instead of getting React.refs, we should be careful here because you cant know how your actual DOM tree looks like, so for an example if you write:

getElementById(“#someId”)

you need some how to be sure that when you execute this line of code, this element is already found in the DOM.

I recommend always using React.refs inside components as it is a safer approach if getting an element when using React.
Quick tip — 3 ways to clip-path exceeding svg graphics in React
By: Eli Elad Elrom
Tags: Reactjs, CSS, D3js, SVG, React

When working with svg there are times that you need to cut an svg that exceeds the size of the parent container. This can happen when you scale or zoom an svg graphic. When it comes to React there are few options to choose from. In this quick tutorial, I will show you three solutions.

When you need to cut an exceeding graphic that bleeds over a parent container, the easiest way is to just clip the excessive svg, but how?

In this article, I am going to show you three options on how you can cut that excessive svg.

Here are the three options;

jsx d3 CSS

Let’s get started.

#1 React JSX

JSX allows us to write HTML elements in JavaScript and place them in the DOM, the React team did a good job and we can use the same solution that is well known in the HTML world of creating a ‘defs’ tag with a ‘clipPath’ child.

For instance, to create a rectangle of size 300 by 200px and use that to clip my svg content, my code will look like so;

<svg className="container" width="400" height="300">

<defs>

<clipPath id="clip">

<rect x="0" y="0" width="300" height="300" />

</clipPath>

</defs>

<g clipPath="url(#clip)">

... your svg content

</g>

</svg>

My container is 400 x 300 and my clipPath is 300x300 so it will clip the svg by 100px horizontally.

#2 Use d3 to append def and ClipPath

The second option is to do the same as jsx just using d3. I personally prefer using jsx because it’s more intuitive as well as allow React’s VDOM to control the elements and avoid side effects, however, if you need to programmatically adjust or append elements, d3 is the way to go;

const container = d3.select('.container') // Clipping

container.append('defs')

.append('clipPath')

.attr('id', 'clip')

.append('rect')

.attr('x', 0)

.attr('y', 0)

.attr('width', 300)

.attr('height', 300)



container.append('g')

.attr('clipPath', 'url(#clip)')

In this code, I am creating the ‘defs’ and ‘clipPath’ tags, as well as an svg group tag and applying the clipPath.

# 3 The simple approach — use CSS

The third and probably the simplest approach is to use CSS. Using CSS I can actually go to a wrapping div and have that div clipPath my svg content.

Take a look;

.wrapperDiv {

width: 400px;

height: 300px;

clip-path: inset(10px 20px 30px 40px);

} <div className="wrapperDiv">

... your svg content

</div>

Let’s Recap

In this quick tutorial, I showed you three ways to clip-path svg content in React. I showed you how to do that using jsx, d3, and CSS.

Where to go from here?

Check out my other articles on integrating d3 with React;

If you like this article, don’t be shy to clap 🙏. Happy H̵a̵c̵k̵i̵n̵g̵ coding ✌
🎅🏾 Happy Holidays: Ionic Framework Video and Blog Tutorial Dump from 2020
By: Clearly Innovative
Tags: JavaScript, Reactjs, Vuejs, Ionic, Tutorial

🎅🏾 Happy Holidays: Ionic Framework Video and Blog Tutorial Dump from 2020 Clearly Innovative ·Dec 27, 2020

There is a little bit of everything here showing how to use Ionic Framework with either VueJS or ReactJS to build something amazing.

This is just a sampling; there is additional content available on my YouTube Channel, please take a look, like, and subscriber and leave a comment or suggestion.
How to install and use React Router
By: Carlos Hernandez
Tags: Create React App, React, Reactjs, React Router

Implementing React Router

Now that we have React Router installed, we are able to utilize the package and its components to create Routes for our application. In your App.js file, add the following import statement:

The basic structure of using React Router is as follows:

The <Router> holds our <Switch> which then holds our apps <Routes>

{/* A <Switch> looks through its children <Route>s and

renders the first one that matches the current URL. */}

A Route allows us to specify which component we wish to display when the inputted route matches the <Routes> ‘exact path’ value.

When a user visits my application’s empty route (“/”) or home route (“/home”) the HomePage component will be rendered on the DOM.

If a user visits my “dragon” route (“/dragon”) we will render the DragonPage components content.
Why I’m starting a reactjs blog in 2021?
By: Salym Akhmedov
Tags: Reactjs, Blog, Blogging

Hey, my name is Salym Akhmedov, and I build modern websites with ReactJS.

I started my journey almost two years ago now, and I wish I would have created a blog the very first day I console logged Hello world, but it’s never too late to get started, so let’s get started.

When it comes to frontend development, the technologies are constantly evolving and improving, and I find myself having to learn and stay up to date with it, so I decided I want to start a blog and share what I know.

What will we explore?

The scope of frontend development is vast, and there are thousands of different ways of building the same website. Let’s say you don’t like Bootstrap, well you can try Bulma CSS, let’s say you don’t like ReactJS, well you can give VueJS a try, the options are endless, and that’s the beauty of frontend development, and that’s what keeps me curious.

ReactJS

If you want to build modern websites in this day and age, I think reactjs is the way to go. I have enjoyed using it this year, and I want to dive deeper into react’s ecosystem on this blog.

The main topics I will cover in this blog are:

ReactJS

GatsbyJS

Tailwind CSS

Working with clients

And much more

The Process

The process I will use to give you the most value from this blog will be to learn, build, and teach what I know.

Learn

Whenever I take a new course, learn a better way of solving frontend development problems, create a cool piece of UI component, or anything that I think might be beneficial to you, the reader, then I will talk about it here on this blog.

2. Build

Instead of just regurgitating what I learn, I will build something with it and test out what I’ve learned; that way, I know the ins and outs of what I’m teaching.

3. Teach

I will use this blog to talk about what I’ve learned the best way I can, and also, I’m thinking about making a separate YouTube video for each blog; that way, if you prefer to watch a video, you have that option. This part of the process is a win-win for you and me, you’re getting information that may be of value to you, and I’m solidifying what I’ve learned. There is a saying out there that when you teach something, you learn it twice.

In conclusion, this blog’s philosophy will be to learn, build, teach, and repeat. I’m excited to start this journey with you guys, and I look forward to 2021, let me know what other topics I should teach. Thank you.
12 WEEKS ROAD-MAP TO BECOME A FRONT END DEVELOPER
By: Suggu Sandeep
Tags: Website Developers India, Reactjs, Ecommerce Web Development, Frontend Development, Full Stack Developer

WEEK #1

Learn about basic HTML and CSS (Includes Tables, Forms, FlexBox, CSS Grid, and Responsive designs).

Create a simple google landing page (Teaches you about positioning).

Create your personalised landing page

WEEK #2

Learn about JavaScript(Variables. data types, loops, functions, objects, arrays, etc-)

Create a to-do list app with JavaScript, HTML, and CSS

WEEK #3

Deep Problem Solving With Javascript

Go to hackerrank and practice the basic problems which teach you how to logically think as a developer

WEEK #4

Learn about OOP (Object Oriented Programming)

Understand about constructors

and inheritance in classes

Create a calculator app with OOP concept

WEEK #5

Learn about CSS frameworks like bootstrap

Create an home page with JavaScript DOM concepts and page routing with buttons

WEEK #6

Learn about ES6+. This includes fetch apis, arrow functions, asynchronous JavaScript, etc.

This will take more time than the previous skills.

Spend this week learning about es6, and try to mess around with the code as much as you can.

WEEK #7

This is when you implement all the skills you have learnt so far.

Make a weather app from scratch using any weather API available on the internet.

Try to include your own design and functionality instead of using other resources.

I would Highly encourage you to give this project your best.

WEEK #8

My recommendation to you would be React JS as it is trending, powerful, and easy to learn and use.

This is the perfect point to start learning about front end frameworks.

Learn about the basics, aka what is virtual DOM, how to set up an app in react, what are the differences between class based and functional based components.

WEEK #9

Now it is time to move to concepts like hooks, react context api, and learn about state management.

Have fun while doing this, and make sure that you are thorough with all your concepts

After this, try to create an advanced project of your choice, for example a Tinder clone.

WEEK #10

This is the time to create at least 2 amazing projects with react as the front end and firebase as the backend.

I highly recommend creating a netflix clone and a spotify clone. Both of these will clear out your concepts about apis and help you design better front end UI. The more projects you build and the more time you spend on understanding, the better you become.

WEEK #11

Here is when you create a fully fledged e-commerce store with react JS and any backend.

I recommend checking out firebase or commerce.js for the backend.

This project will teach you a lot and will surely make you a better developer.

WEEK #12

The time for you to learn soft skills and communication skills. I am sure that throughout the journey you have encountered bugs and looked stuff up on stack overflow, and now is the time for you to become a pro at soft skills.
React development and design patterns guide
By: Ed Jamal
Tags: Javascript Tips, Reactjs, Front End Development, Design Patterns, React

A collection of open-source documentation to understand advanced React design patterns using practical examples. These concepts are essential for building scalable and easy to maintain React applications. Knowing how to write React components is not enough to build an application, and that’s what I’m trying to address with this guide.

React developer roadmap

Javascript

React design patterns and techniques

React anti-patterns

React performance tips

React Unit/Integration tests
React Navigation 5 ile StackNavigator Kullanımı (Part 1)
By: Ugur Genc
Tags: React Hook, Reactjs, React Navigation, React Native, React

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Civixa.ai is looking for Lead/Senior Full stack developers
By: Talha Yasin
Tags: Full Stack, Reactjs, Development, Hiring

What is Civixa.ai?

Civixa.ai is a Chile-based award-winning product founded by alums of Startup Chile. We provide fully managed data labeling/annotation services to enable AI researchers, developers, and organizations. Our services go beyond just cleaning and labeling data, but also training Machine learning models and applying to specific business problems, and solving them using our artificial intelligent models.

As Civixa.ai grows, we need a world-class Software Engineer who will drive our product portfolio to the next stage by delivering innovative applications to an already impressive client base.

We are looking for a Full Stack Engineer with extensive experience in dynamic, responsive web applications.

The ideal candidate will have:

3+ years of developing scalable backend and front end applications using some of the following technologies:

Node.js/ Express.js/ Python Flask/ Django

Angular/ Ionic/ React/ Vue.js

Understanding of Git repositories, how to maintain them, and work with other programmers’ code.

Experience in developing RESTful API’s.

Should be able to manage a small team. Participate in code reviews of junior developers.

Should have experience of working with best practices (testing and automation, continuous integration, continuous deployment, etc.)

Bonus Skills

Development with ES6 and TypeScript is a plus.

Being able ble to explain the technical context to non-technical clients.

Ability to work with a remote team globally

Our Technology Stack consists of Python, Django, AngularJS, Nginx, Nginx, MySQL, React, TypeScript, NodeJS, etc.

The position is based in Civixa.ai Karachi, Pakistan office.
Material UI Customization is the Best way to style your React JS App . MUI customization made easy.
By: Saurabh Shah
Tags: React Hook, Reactjs, Themes, Material Design, Material Ui

Primary agenda of this story is to cover Theming with Material UI.

At the end of this story, you should have a React JS application with all the colors, typography (fonts), spacing, breakpoints, and other styling options set as default through out the website/application.

React JS + Material UI

✓1. create-react-app

✓2. add material-ui

✓3. add material-icons

✓4. add font

✓5. blend and create your custom Style-Guide based Theme

✓6. integrate the Theme to your React app

✓7. BONUS: codesandbox with themeSwitch example.

VOILA! 😀

Now that we are aware of the above sequence, lets rush through the steps and concentrate on creating the custom MUI-Theme

Follow the below steps:

$ npx create-react-app myapp

$ cd myapp

$ npm start $ npm install @material-ui/core $ npm install @material-ui/icons $ npm install fontsource-roboto

You can choose to install any font of your choice.

Material design guidelines may help you choose fonts.

Also Google Fonts collection can be a good source to pick from.

This is the moment. You can actually start using Material UI components in your react js app now.

for example: Typography is used in above component.

No other setup is required to use any MUI components.

Although, there is no further configurations required, most of the time you will not be creating any website with default MUI theme provided colors and typography.

Thus, Theming — Material-UI is required to create customized theme as per your client’s requirements / style-guide.
Getting Started with Heroku and Deploy a React.js App using Heroku
By: Muhammad Zain Tariq
Tags: Web Hosting, Reactjs, Heroku Deployment, Reactjs Deployment, Heroku

A beginner’s guide to Deploy a React.js App using Heroku

In this Blog, You will Learn

What is Heroku?

Create a Heroku Project

Deploy React.js App using Heroku

What is Heroku ?

Heroku is a container-based cloud Platform as a Service (PaaS). Developers use Heroku to deploy, manage, and scale modern apps.

Signup in Heroku

Now we will Signup for Heroku from here and fill up the information required

Create a Heroku Project

Step 1

Now Sign in your project and move to dashboard

Step 2

Now create app by clicking Create new app

Step 3

Now write a valid App name(must be lower case) select a region and click create app

Step 4

Click Open app to check you app.

and in below figure you can check you opened app

Hurry! a Heroku App created.

Deploy React.js App using Heroku

In this Blog I will Discuss two methods to Deploy A React App using Heroku which are.

Deploy using Heroku Cli

Deploy using Github Connection

Deploy using Heroku Cli

For using Heruko CLi / Heruko Git First you need to take following steps

Optional Steps

1.install the Heroku Cli from Here.

2.Create a React App if not created yet using following command

npm create-react-app YourProjectName

Step 1

If you haven’t already, log in to your Heroku account and follow the prompts to create a new SSH public key.

heroku login

Step 2

Now move to root directory of your react.js app and use following command to Initialize a Heroku git repository in a new or existing directory

Herokuprojectname in my case it was reactjs-heroku-deployment as i created in above section.

git init

heroku git:remote -a Herokuprojectname

Step 3

Commit your code to the repository and deploy it to Heroku using Git.

Using following commands

git add .

git commit -am "make it better"

git push heroku master

Step 4

Now move to your heroku dashboard and open your project in which you used for deployment and click open app

and your project open in new tab as my open’s in below tab

Hurry ! we have deployed our project using Heroku Cli.

Deploy using Github Connection

Now we will use another way to deploy our react app using Heroku

Step 1 Create Github Repo.

For Deploying React app we will first create a Github Repo for this we will follow few steps

Click at + option as shown below

Now we will click at new repository

Now we will write our repository name and than click create repository

Hurry ! we have created our Github repository.

Step 2 Upload Project code on Github Repo.

Now we will upload our project on Github Repo so open your terminal and follow few steps

Move toward root directory of your react.js project and write the following command to upload project on Github.



git branch -M main

git push -u origin main git remote add origin https://github.com/{user name}/{repo name}.gitgit branch -M maingit push -u origin main

and below you can see that we have successfully uploaded our repository.
Create-react-appでAirbnbのESLintを使う方法
By: Ayumi Takahashi
Tags: Reactjs, Create React App, Airbnb Style Guide, React, Eslint

airbnb/javascript

This package provides Airbnb's .eslintrc as an extensible shared config. We export three ESLint configurations for your…
Adding Navigation In React SSR
By: Anil Verma
Tags: JavaScript, Server Side Rendering, Reactjs, React, Development

Adding Navigation in React App with SSR is very simple. As a React Developer, you know that BrowserRouter Needed for Routing but on server side BrowserRouter will not work. So We have StaticRouter on Server side and BrowserRouter for Client side.

Go to index file and make following change

Express as server will not handle our routing logic. it will pass all incoming requests to React and React will handle all request.

2. Create a Routes.js file inside client folder

This will we shared file. it will be used for server side loading and hydration on browser(React Side).

3. Now change renderer.js file like

So, Same as React, we have to wrap routing with StaticRouter to work perfectly on server side. context is required property of StaticRouter , So on initial setup, we can assign it with blank OBJ. Location props is optional for initial setup.

4. Change Client.js file

By Doing this changes , Routing will be enabled. Enjoy React Coding…
ES6篇－函式與作用域／傳⼊參數預設值(Default Parameters)
Tags: Reactjs, ES6

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How to establish a Link to Plaid’s API using ReactJS and Node.JS
By: Carlos Hernandez
Tags: Plaid, React, Reactjs, Nodejs

For those that don’t know, Plaid is a company that created the infrastructure to connect a users financial information to applications such as Venmo. Their API allows developers to connect their own applications to users’ bank accounts without actually having to go through every single bank’s API (many banks don’t actually allow small projects to connect to their API’s without submitting a request and being approved).

To get started you will need to register an account with Plaid. I won’t document the process of registering an account, but you will need to do so in order to gain access to developer keys to access their API. Feel free to go through their Quick Start project to gain an understanding of how their Link integration works!

Plaid Documentation: https://plaid.com/docs/

A “Link” is the client-side component that your users will interact with in order to link their accounts to Plaid and allow you to access their accounts via the Plaid API. I created a React component that will serve as a quick-drop in feature that will establish a Link connection to be able to actually make API calls; the use of Plaid’s API all starts with the Link! This year Plaid recently changed their token flow and switched from having a public_token to using a new link_token. Unfortunately their community links for ReactJS were still using the public_token flow which forced me to have to approach this project without clear guidance so hopefully this article will serve as a guide for someone else :)

Project Setup

Create your React app by using the create-react-app package. (https://github.com/facebook/create-react-app)

2. After your project is created, we will need to add a .env file and a server.js file to the root of the folder.
Build An 8-bit Spotify Controller | Phase 6
By: An Object Is A
Tags: Reactjs, Web Development, Chrome Extension, React, Programming

All that’s left to do is pair our Spotify API logic in the Background script to the function calls in our Foreground script.

We won’t go into every function pairing here, we’ll show you one.

See the video tutorial for a detailed walk-through.

In the Foreground.js component we have our start_pause function message our Background.js script.

start_pause = () => {

chrome.runtime.sendMessage({ message: this.state.isPlaying ? ‘pause’ : ‘play’, payload: { isPlaying: !this.state.isPlaying } }, response => {

if (response.message === ‘success’) {

this.setState(_state => {

return {

isPlaying: !_state.isPlaying,

current_track: response.current_track

}

});

}

});

}

In our Background.js script, we catch that message, call the Spotify API, and send back a response to the Foreground.js component.
Front End Technologies
By: Tanishka Gupta
Tags: Framework, JavaScript, Reactjs, Front End Development, Libraries

While learning web development, you come across a series of concepts that engulf you completely.

Browsers? Servers? Client/Server-side? AJAX?

Fortunately, to create a basic website locally, you only need to understand HTML and CSS. But to understand how a website can eventually go live on the web, understanding the concept of front-end vs. back-end is very important.

Consider this basic analogy: When you visit a restaurant, the waiter takes your order and serves you the food, whereas, the chef cooks the food for you. Similarly, front-end and back-end together make your website functional.



In the case of a restaurant, the chef prepares high-quality, delicious food efficiently. Whereas the waiters are well efficient in managing the customers, their orders, and serving them.

Similarly, Each side of a website has different but significant functionality.

Front-end web development, also known as client-side development is all about the visual aspects of any website which ensures that a user can see and interact with using a browser.

The most common frontend languages are HTML, CSS, and JavaScript. In this blog, we shall discuss the roles the different technologies play in the front-end of a website.
ES6－解構賦值
Tags: Reactjs, ES6

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ES6－展開與其餘運算符
Tags: Reactjs, ES6

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ironCoin
By: M. Rehnert
Tags: Cryptocurrency, NPM, Reactjs, React Developer, Frontend Developer

Explore the world’s newest crypto app!

Introduction

The task was simple… create an application using React.js to render API data and display cryptocurrency price trends. The process, not so much.

For those not familiar with the term, React is an open-source JavaScript library for building user interfaces for web and mobile applications. Using the React framework simplifies and streamlines the development process while providing an enhanced user experience that would not be possible with traditional JavaScript.

This short video displays the functionality of ironCoin

ironCoin is the brainchild of three young web developers from the Ironhack coding academy. This was our first endeavor together as a team, and we appreciated the opportunity to sharpen our skills and achieve new heights thanks to the flexibility provided by React.

We used React.js and multiple associated npm packages as the framework for the application, with a healthy dose of Bulma CSS to smooth out the edges. The majority of the data displayed by ironCoin is rendered using two APIs. This data is sourced from CoinMarketCap, a well-renowned authority employed by the likes of Coinbase and Samsung, and CryptoControl, the leading aggregate source of news from the cryptocurrency space.

A view of the news page (component).

During the development process, we used npm, Microsoft Visual Studio, and the Google Developer Console to render and debug the code. Once testing was complete, the application was deployed live on Netlify and will be maintained and updated as needed to provide an engaging experience to our users.

I congratulate my team members, Shane Schipper and Anthony Gutilla, for their significant contributions to the success of this project. A special thanks goes out to Niko Tzikas, Stefan Culafic, and Juan Grajales of the Ironhack instructor team for their patience and guidance throughout the development process.
Do I need to import React in functional components?
By: Zaharia Anton
Tags: JavaScript, Reactjs, Functional Component, React, Import React

This question came in mind while I was writing a Redux action and I was exporting as default a function, as usual, and then I jumped into creating a new functional component for my app.

I realised that I doing almost the same thing in both files and I started to research why do I need to import React in a component, that it’s basically a JS function.

What I firstly found out was about JSX, and how Babel converts our code from:

to:

and, if I wouldn’t import React, the React.createElement will no work and crash my app.

I was a pretty obvious thing after I realised the process under the hood.

Than I land up on reactjs.org where I found out about the New JSX Transform.

This new feature allow us to write a simple functional component without importing React. I’m saying simple because if we need to use Hooks or other exports that React provides, we’ll need to import React also.

How is that happening? JSX transform will compile:

notice that I’m not importing React*

to:

That being said, a small and simple functional component doesn’t need to import React anymore.

You can find out more here:

https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html
Simple Calendar using ReactJS & MomentJS
By: Ajmal Shah
Tags: Momentjs, Reactjs, Fullcalendar, React, Calendar

Step 1 : First of all lets create a ReactJS project using the command

npx create-react-app Calendar (using your terminal in your desired folder)

Step 2 : Install momentjS inside project terminal

npm i moment (link)

Step 3 : create a functional component and import moment from moments

Step 4 : Lets save all the months from momentJS to a variable and also get the year.

Step 5: Lets write a function to get all days from a month with week basis.

Step 6: Lets map all the months and calender to the table

We are passing the months as the index value. 0 as jan … 11 as dec.. to our getDate() calendar function

Check out the complete program at my codesandbox.io
Which programming language should you learn first?
By: Cristian Florea
Tags: JavaScript, Reactjs, Frontend Development, Webdevelopment, Frontend

Funny that you asked!

Well, none. A programming language is just a tool.

A tool for what? For solving problems!

One of the biggest misconceptions is that you need to memorise the syntax and all the small features that a language offers. Nothing can be further from the truth!

Well, you need to learn some of the syntax, but that comes with practice.

What matters most actually is your creative thinking and your ability to solve problems.

This is what differentiates professionals from amateurs.

But how can you become a professional and develop your creative thinking if you are just starting out?

Well, from my experience of teaching myself and of teaching others, I realised that I need to deliver you the right problem, at the right time.

The problem should be just a bit more difficult than your current level, that keeps you in flow…

Wikipedia: “In positive psychology, a flow state, also known colloquially as being in the zone, is the mental state in which a person performing some activity is fully immersed in a feeling of energized focus, full involvement, and enjoyment in the process of the activity.“

If you need help with learning to program and getting your first web development job, apply for a free consultation call on my website http://floreacristian.com/
Having Trouble Learning ReactJS??
By: Silvoj Rajesh Kumar
Tags: JavaScript, First Post, Reactjs, Beginner, Web Development

It is normal to get stuck at some point in the learning stage, there are some steps to be taken if you lose confidence in learning and building projects.

There are many ways to learn Reactjs, it is available to learn through online courses and Reactjs official documentation, and some of the youtube channels, we can choose based on our style of learning.

1. Learning react just after HTML, CSS, JAVASCRIPT, will be a bit confusing in the beginning, so don’t give up.

2. Without the proper knowledge of javascript will create a lot of confusion, so learn or go through the basics thoroughly.

3. Tutors may not be perfect in some aspects if you don’t follow any of the steps, do refer to alternative sources.

4. It will be difficult to note down each and every line of code so try to bookmark the difficult code or copy down code to some notepad or word.

5. Don’t forget to build the projects in between the courses or at least watch the building of projects like we watch TV shows on NETFLIX😂.

6. Take breaks in between, don’t stress out a lot on building projects or to learn for long hours.

These are some of the points which I found helpful while learning react.👍👍

Share your views in the comment section.
練習REACT （２）. JSX只能一個ROOT…
Tags: Reactjs

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A First Look at React’s New Server Components
By: Louis Petrik
Tags: JavaScript, Reactjs, Web Development, React, Nodejs

A First Look at React’s New Server Components

Yesterday, the React team announced a new feature: Server Components.

The feature is still experimental; there is no real documentation yet.

What it’s about is simply put: data & component fetching in React.js.

Server Components allow us to load components from the backend. The components have already been rendered in the backend and can be seamlessly integrated into the running app.

So it’s a bit like server-side rendering but works differently.

Similar to what you know from Next.js with getInitialProps, server components can fetch data and pass it to front-end components.

However, unlike classic SSR, Server Components are a bit more dynamic. We can fetch a server tree during the app's execution; the client state is not lost.

They also work differently technically. With SSR, our JavaScript code is rendered into HTML on the server. This creates an HTML template, which is the visible part of our web page.

This is sent to the client, plus the JavaScript code used for interactivity. Thanks to SSR, we see something earlier, but the interactivity can be delayed.

Server components are dynamically included in the app and passed in a special form, as shown in the following image.

All JavaScript instructions are executed. 1 + 1 becomes 2, which is also passed in the format. The components are static and cannot be interactive. Compared to SSR, only the visible part is passed — the interactivity is missing.

Where is the big advantage of Server Components?

Zero-Bundle-Size-Components

The JavaScript world is full of huge libraries. Just think of packages like Moment.js, which are many kilobytes in size, but of which we only use a few functions.

For the app's performance, and thus for the user, this is, of course, very bad — all the code is shipped to the front-end.

Tree-shaking can be used to save code that we don’t need. What remains is still a lot of code, which is often executed only once. For example, to format a date.

Thanks to Server Components, we can spare our front-end this code as well.
Why React?. ReactJS is an open-source JavaScript…
By: Bello Noah
Tags: React Components, React State, Reactjs, React Virtual Dom, React Jsx

React is an open-source JavaScript designed by Facebook. It focuses on individual components instead of working on the entire web app. This means that React allows developers to break down complex UI into simpler components. Therefore resulting in a faster and more efficient web app with minimum code.

React was developed to help improve the total rendered pages from the website server. Besides, it utilizes nodes to render on the client-side.

The major reason why you should start using React are:

UI State becomes difficult to handle with just Vanilla JavaScript. Focus on business logic, not on preventing your app from exploding. High ecosystem, active community, and high performance.

Let’s look at these reasons in a broader view below:

It allows developers to write their apps within JavaScript. This is due to the feature React provides for developers. JSX (a syntactical sugar) is one common feature that allows custom HTML in JavaScript.

It is a component-based framework. Write a component once and reuse it in JavaScript (JSX). These allow developers to focus on components instead of the entire web app. That is since it is component-based, developers can break down a complex UI into components for the best rendering performance.

Props allow developers to pass custom data to a blank UI component for a better manageable state. It only updates data that changes rather than the entire web app.

The state makes it possible to store changes in one section. This makes debugging easier to fix because changeable contents are in a single location (State).

It uses Virtual DOM for faster apps. The idea of Virtual DOM allows React to know when exactly to re-render or when to ignore some specific pieces of DOM because it detects when data changes. This is crucial in enhancing the user experience.

It is easy to learn.

It has a large community of developers.

Because companies are in high demand for React developers, there’s a lot of employment for experienced React developers.

It is SEO-friendly. How Google Works is that the lower the page load time, and the faster the rendering speed, the higher the app ranking on Google. Thanks to the fast rendering, React, compared to other frameworks, significantly reduces the page load time, which greatly helps businesses in securing the first rank on Google Search Engine Result Page.

Below is a survey of the most wanted frameworks by Stack Overflow (2020).

Techstack article, sponsored by Flutterwave. Flutterwave is the easiest way to make and accept payments both online and offline from customers anywhere in the world. It is absolutely free!!! Sign up today.
Axios ve Reactjs ile JSON Verisi Nasıl Çekilir?
By: Murat Umutlu
Tags: Data Fetching, Reactjs, Axios, Json Data Example

At the Intersection of the Development, Front-End, Back-End, and Mobile || JavaScript, Python, and AWS || murat@muum.dev
Medium writers are leaving Twitter.
Tags: Twitter, Social Media

Medium writers are leaving Twitter. If having a following on Twitter is useful to get more views for our Medium stories, why would any Medium writers want to delete their Twitter accounts?

I’m seeing more articles by Medium writers who are leaving Twitter because of its toxic character. I recently returned to Twitter after many years away from it. I had a goal of posting three tweets a day and didn’t even write three tweets this past week!

I’ve heard of Minds but haven’t checked it out yet. I’m not interested in Facebook or Instagram. Since I’m not a professional, LinkedIn makes no sense for me either.

Is there another social platform I need to look into?