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Paramanantham Harrison

I help beginners to become a pro software engineers through learnwithparam.com

Location Tallinn, Estonia Joined Joined on  Personal website https://learnwithparam.com github website twitter website

Work

Head of Engineering at Jobbatical

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4 Week Writing Streak
Released a visual guide to functional programming in JS

Released a visual guide to functional programming in JS

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1 min read

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Validating a mobile app idea

Validating a mobile app idea

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Beginners to Pro Quiz: Day 5

Beginners to Pro Quiz: Day 5

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Beginners to Pro Quiz: Day 4

Beginners to Pro Quiz: Day 4

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Beginners to Pro Quiz: Day 3

Beginners to Pro Quiz: Day 3

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Beginners to Pro Quiz: Day 2

Beginners to Pro Quiz: Day 2

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Beginners to Pro Quiz: Day 1

Beginners to Pro Quiz: Day 1

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Beginners to Pro Engineering: Choose microservices wisely

Beginners to Pro Engineering: Choose microservices wisely

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React.memo helps you to avoid re-rendering of computationally heavy components

React.memo helps you to avoid re-rendering of computationally heavy components

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Beginners to Pro Engineering: Load-balancing for cyber security

Beginners to Pro Engineering: Load-balancing for cyber security

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Beginners to Pro Quiz app idea?

Beginners to Pro Quiz app idea?

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Let's discuss about book or course about scalable architecture

Let's discuss about book or course about scalable architecture

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Better naming in the API makes better API maintainability

Better naming in the API makes better API maintainability

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Share inspiring source code and templates for flutter

Share inspiring source code and templates for flutter

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How single responsibility of a function helps to write better code

How single responsibility of a function helps to write better code

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Practical example of GraphQL schema design

Practical example of GraphQL schema design

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How your pull request title serves as a documentation for your code changes

How your pull request title serves as a documentation for your code changes

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useRef helps you to avoid re-rendering of the component

useRef helps you to avoid re-rendering of the component

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When to rate-limit your endpoint?

When to rate-limit your endpoint?

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How to provide meaningful error messages in your API response

How to provide meaningful error messages in your API response

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How are you using Map data stricture in your JS applications?

How are you using Map data stricture in your JS applications?

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Learn to create, get and set values in Map data structure in Javascript

Learn to create, get and set values in Map data structure in Javascript

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Snippet by JS Mates: Find common items from two arrays

Snippet by JS Mates: Find common items from two arrays

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Where do you share your articles to build traffic?

Where do you share your articles to build traffic?

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Why the undefined variable is not sent in a JSON API response?

Why the undefined variable is not sent in a JSON API response?

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Managing secrets and environmental variables in Node Js

Managing secrets and environmental variables in Node Js

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How the client request and server response cycle works

How the client request and server response cycle works

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Check whether folder exists on the path using Node Js

Check whether folder exists on the path using Node Js

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How to remove duplicates in an array using JS Set?

How to remove duplicates in an array using JS Set?

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Check whether object is empty in JavaScript

Check whether object is empty in JavaScript

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Check whether a JS variable an array or not

Check whether a JS variable an array or not

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Check whether a condition is met at-least once in a JS array?

Check whether a condition is met at-least once in a JS array?

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Suggest websites that generate code snippet as shareable images

Suggest websites that generate code snippet as shareable images

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Learn by doing - Exploring Hasura Authorization

Learn by doing - Exploring Hasura Authorization

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Learn by doing - Exploring Hasura GraphQL subscriptions

Learn by doing - Exploring Hasura GraphQL subscriptions

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Learn by doing - Exploring graphql queries with Hasura console

Learn by doing - Exploring graphql queries with Hasura console

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Learn by Doing: Getting started with Hasura - Hasura Console

Learn by Doing: Getting started with Hasura - Hasura Console

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How to revert back to older commit in git

How to revert back to older commit in git

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Full stack developer is the most misunderstood word in tech

Full stack developer is the most misunderstood word in tech

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How to select fields in a document in MongoDB

How to select fields in a document in MongoDB

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Do you know spread operator in Javascript object is mutable?

Do you know spread operator in Javascript object is mutable?

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How react profiler can help you to debug performance issues in your react app

How react profiler can help you to debug performance issues in your react app

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How to find a document in mongo using the partial value of a field

How to find a document in mongo using the partial value of a field

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Styled components using emotion in React - Badge component - Styling in React

Styled components using emotion in React - Badge component - Styling in React

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Learn how to handle nested routes and nested content using react router

Learn how to handle nested routes and nested content using react router

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Styling a React component using CSS Modules - Card Component

Styling a React component using CSS Modules - Card Component

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Styling a React component using CSS - Card Component

Styling a React component using CSS - Card Component

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Error handling while using native fetch API in JavaScript

Error handling while using native fetch API in JavaScript

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Managing error and loading state using useReducer

Managing error and loading state using useReducer

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Fetch API data in React using useEffect hooks

Fetch API data in React using useEffect hooks

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React useState example by building a text-size changer

React useState example by building a text-size changer

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Why graphql and how it helps you

Why graphql and how it helps you

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Async functions always return a promise - Lets deep into the Async world

Async functions always return a promise - Lets deep into the Async world

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Rename variables while destructuring

Rename variables while destructuring

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Default values while Destructuring in JavaScript

Default values while Destructuring in JavaScript

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How design system helps to unify frontend across teams and move faster

How design system helps to unify frontend across teams and move faster

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Union of objects in javaScript based on unique value - Merging worlds using javaScript

Union of objects in javaScript based on unique value - Merging worlds using javaScript

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Styling a react app using Emotion CSS in JS library - An introduction to Emotion

Styling a react app using Emotion CSS in JS library - An introduction to Emotion

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Vanilla JS equivalent for counting number of child elements using className

Vanilla JS equivalent for counting number of child elements using className

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SQL or NoSQL - How to choose one based on what they offer

SQL or NoSQL - How to choose one based on what they offer

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