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Praveen Kumar Purushothaman

Oct 19, 2022 • 19 tweets • 45 min read • Read on X

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@Yugabyte

Hello hello London! 👋🏻 We’re at IET Savoy Place, London for DSS London 2022 by #YugaByteDB. It’s gonna be super interesting tech session starting at 2 pm today! Don’t miss my #Live #Tweets in this #thread! 🤩🧵
@Yugabyte #DSS22 #DistributedSQL #PraveenScience

@Yugabyte

Yes, the setup is going on for the grand presentation of the #Tech #Track. The master is teaching the student here! #JustKidding Say hi to Julie Wise and Dave Roberts from #YugaByteDB! 👋🏻

@Yugabyte #DSS22 #DistributedSQL #PraveenScience

@rachel_pescador

We’ve got our Social Media / Content Director @rachel_pescador from #YugaByteDB here, who’s busy at work and got some cool #swag! 🤩

@Yugabyte #DSS22 #DistributedSQL #PraveenScience

@Yugabyte

Let’s see if I ever get a chance to throw off a #Workshop on #React #JavaScript using #NodeJS #ExpressJS to connect to #YugaByteDB and make a small #App? 🤩

@Yugabyte #DSS22 #DistributedSQL #PraveenScience

@Yugabyte

Ready and started with my #Live Tweet setup too! 🤩

(Hmm... May be this is just a mini-setup?) 🤣

@Yugabyte #DSS22 #YugaByteDB #DistributedSQL #PraveenScience

The #food was one of the best in this event! I guess those who aren’t here are definitely missing! 😁 Coming up next, the #Tech #Track. 💻

#DSS22 #YugaByteDB #DistributedSQL #PraveenScience

@Yugabyte

#Tech #Track began with David Walker explaining about what’s #DistributedSQL, why they started #YugaByteDB & the founders behind @Yugabyte. 🤩 #Fun #Fact: We can use #postgreSQL drivers to work with the #DB + Mgmt #Console (Port 5433). 🎉

#DSS22 #DistributedSQL #PraveenScience

@Yugabyte

This one’s got an #innovative #architecture and use-cases, even in #Banking. #Modern, #distributed, pluggable, what not? Supports #IOT & #Streaming too! 🤩

Some #massive #numbers on the #cloud. 😍

@Yugabyte #DSS22 #YugaByteDB #DistributedSQL #PraveenScience #Temenos #Benchmark

@Yugabyte

Currently Dave Roberts & Wierd van der Haar, engineers from @Yugabyte are talking about “Delivering Cloud Scale Throughput & Availability” and discussing a 3 #node #cluster configuration and failover cases. Great #questions! 💪🏻

#DSS22 #YugaByteDB #DistributedSQL #PraveenScience

@Yugabyte

Woohoo! 🤩 It’s #demo time! 🤩 Here the folks are using #AWS, #EC2, #Grafana for around 30+ #Node setup. 🤩

#Simple #Provisioning using #Kubernets & #Cloud as well is possible. 👍🏻

@Yugabyte #DSS22 #YugaByteDB #DistributedSQL #PraveenScience #Availability #Surge #Scaling

@Yugabyte

Aha! Demo’s over! 👍🏻 Here’s a Summary! 😁

@Yugabyte #DSS22 #YugaByteDB #DistributedSQL #PraveenScience

@Yugabyte

Next session by Karl & Jason, Sr. Adv. #Tech #Engineers at @Yugabyte on #Voyager: #Online #Migration Journey to #YugaByteDB, #Database #Modernisation, #Refactoring & #Replatforming #Architecture with a #Feature #Summary. 👍🏻

@Yugabyte #DSS22 #DistributedSQL #PraveenScience

@Yugabyte

See the #architecture of #Voyager for different #configurations, #migration steps, #highlights and #performance. 👍🏻

@Yugabyte #DSS22 #DistributedSQL #PraveenScience

@Yugabyte

Yay! #Demo time it is! 🤩 Some cool info about the demos themselves... 👍🏻

Created Indexes, Tracking Activities #RealTime. 👍🏻

@Yugabyte #DSS22 #DistributedSQL #PraveenScience

@Yugabyte

Here’s a #Summary of #YugaByteDB #Voyager! 🤩

Finishing the day with questions to @Yugabyte team! 👍🏻

Expect a short video with David Walker, soon! 😁

#DSS22 #DistributedSQL #PraveenScience #London

@davidmwalker

Meet David M Walker (@davidmwalker), a Principal Consultant at @Yugabyte. Let’s hear from him about the event in short! 🤩

#YugaByteDB #DSS22 #DistributedSQL #PraveenScience #London

Finally ended the day with more #stickers and #swags + #drinks! 🍻

#YugaByteDB #DSS22 #DistributedSQL #PraveenScience #London

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More from @praveenscience

Praveen Kumar Purushothaman

@praveenscience

Jan 6

🚀 Master the Most Asked ReactJS Scenarios: A Must-Try Guide for Learners and Interview Prep! 💻

Are you learning ReactJS or gearing up for a React interview? 🎯

Here’s a comprehensive list of 40+ essential React scenarios that will take your skills to the next level.
🚀

From fundamental concepts to advanced techniques, this guide has you covered! 💪🏻

Dynamic Rendering & Data Binding

1️⃣ How do you display dynamic HTML data in React?
2️⃣ Sending data from a parent component to a child component – what’s the approach?
3️⃣ How do you call a parent component's method from a child component?
4️⃣ Accessing the DOM element – what are the best practices?
5️⃣ How to bind arrays or objects to a dropdown in React?

Performance Optimisation & Conditional Rendering

6️⃣ Implement lazy-loaded components for faster rendering.
7️⃣ Display user-entered data dynamically in another textbox.
8️⃣ Looping through arrays or objects – best practices.
9️⃣ How do you conditionally render elements or text?
🔟 Changing styles dynamically based on conditions.

Form Handling & Interactivity

1️⃣1️⃣ Show or hide data conditionally in your UI.
1️⃣2️⃣ Binding arrays or objects to radio buttons.
1️⃣3️⃣ Displaying selected radio button values in a textbox.
1️⃣4️⃣ Triggering methods when a component renders for the first time.

State Management Simplified

1️⃣5️⃣ Looping through keys and values in objects.
1️⃣6️⃣ Re-rendering components on value changes.
1️⃣7️⃣ Calling methods on every re-render.
1️⃣8️⃣ Adding data to useState arrays in functional components.

Practical Implementations

1️⃣9️⃣ Create a search box filter.
2️⃣0️⃣ Build a counter component using useState.
2️⃣1️⃣ Take it up a notch with a counter using useReducer.

Continued in the next one...

Practical Implementations

1️⃣9️⃣ Create a search box filter.
2️⃣0️⃣ Build a counter component using useState.
2️⃣1️⃣ Take it up a notch with a counter using useReducer.
2️⃣2️⃣ Enable/disable a textbox in a child component based on parent button clicks.
2️⃣3️⃣ Master debouncing to improve performance.
2️⃣4️⃣ Fetch data from an API and display it dynamically.

Advanced React Concepts

2️⃣5️⃣ Force a re-render without using useState.
2️⃣6️⃣ Trigger actions immediately after state updates or re-renders.
2️⃣7️⃣ Implement a character counter for textareas using useRef.
2️⃣8️⃣ Create dynamic dropdowns (e.g., states based on selected country).
2️⃣9️⃣ Ensure type safety with prop-types.

Context & Hooks

3️⃣0️⃣ Share data seamlessly with the Context API.
3️⃣1️⃣ Optimise performance using useMemo.
3️⃣2️⃣ Simplify callbacks with useCallback.
3️⃣3️⃣ Build an error boundary to handle unexpected issues.

Miscellaneous Must-Knows

3️⃣4️⃣ Display dropdown selections in another field.
3️⃣5️⃣ Understand pure components and when to use them.
3️⃣6️⃣ Differentiate between controlled and uncontrolled components.
3️⃣7️⃣ Craft a custom hook for reusability.
3️⃣8️⃣ Create a popup using portals.

Lifecycle & Beyond

3️⃣9️⃣ Which class lifecycle methods are replaced by useEffect?
4️⃣0️⃣ Build a pagination component for large datasets.
4️⃣1️⃣ Safeguard your application – key strategies.
4️⃣2️⃣ Explore React Suspense and Lazy Loading for enhanced performance.

🔑 Mastering these scenarios will not only sharpen your React skills but also boost your confidence for interviews and real-world projects. Which one do you want to try first? Let me know in the comments! 🚀💬

Feel free to bookmark and share this with fellow React enthusiasts. Let’s grow together! 🌱

Check out my LinkedIn post for the same! 🚀

Master the Most Asked React JS Scenarios: A Must-Try Guide for Learners and Interview Prep! 💻

linkedin.com/feed/update/ur…

Read 5 tweets

Praveen Kumar Purushothaman

@praveenscience

Dec 6, 2024

Hey all, checking out the amazing event space here! 🤩

Met @HaimantikaM and a lot others! 💪🏻🥹

@DevRelCon #DevRelCon #DevRelConBlr

Say hi to our very own amazing DevRels @siddharth_hacks and @adityaoberai1! 🤩

@DevRelCon #DevRelCon #DevRelConBlr

Met really amazing people too! 🤩And welcome to @CatsIn_Tech! 😻

Khushi Trivedi
Aastha Gupta
Sharu Hampali
Ritvi Mishra

@DevRelCon #DevRelCon #DevRelConBlr

Read 32 tweets

Praveen Kumar Purushothaman

@praveenscience

May 1, 2024

🚀 30 Days of JavaScript & TypeScript 🚀

Starting a #LinkedIn series covering 30 awesome code blocks over 30 days! TypeScript is becoming the industry standard for Front End—thanks, @Microsoft! 🗔

Follow along for code snippets, explanations, and real-world use cases. 💻

Perfect for Front End developers who want to level up their skills! Check out my first post tomorrow. 🎉

#JavaScript #TypeScript #FrontEnd #Microsoft

Here the series starts! 💯
linkedin.com/feed/update/ur…

Day 1 of my 30-day #JavaScript & #TypeScript series! 👋🏻

Learn how to shuffle an array using the Fisher-Yates algorithm. 🔀

Perfect for randomising quizzes, shuffling decks, or rearranging lists. 🚀

Check out the LinkedIn Post for more details! 💻

#Coding #Tech #FrontEnd #30DaysOfJSTS #30DaysOfJSTSPrav

Read 64 tweets

Praveen Kumar Purushothaman

@praveenscience

Mar 16, 2024

Hey folks, so I’m here at the #GDGLondon’s International Womens’ Day event at #Huckletree Shoreditch, #London! 🤩

Met @sureshchouksey and Ravi Gautam here. 👋🏻

Who’s ready for an amazing thread of events? 🧵

@GDG_London #GDGLondon #WTMLondon #IWDLondon24

Got my cool swag bag to start with! 👚 What an amazing way to start the day with! 🤩

@GDG_London #GDGLondon #WTMLondon #IWDLondon24

How can I forget to geek out with @EddieJaoude bro! 🤗🫂

@GDG_London #GDGLondon #WTMLondon #IWDLondon24

Read 44 tweets

Praveen Kumar Purushothaman

@praveenscience

Mar 8, 2024

Folks, I am here at @Amazon #AWS #WomensDay Event at Principal Place, #London hosted by #CityJS #JSMonthly! 💪🏻

Amazing welcome from @xjamundx and yay, I found my #Amazon Plushie! 🐻

Who's up for an amazing thread? 🧵