#13: Update Post with React Query useMutation | Sync API and Local Cache

In this video, learn how to efficiently update post titles using React Query's useMutation hook. We’ll cover key techniques like updating the UI without refetching data by using queryClient.setQueryData. This is essential for handling data mutations in real-time applications, ensuring a smoother user experience. As a real-life example, imagine updating a user’s profile without forcing them to refresh the page—this tutorial shows you how! 💸 Get All My YouTube Videos' Source Code for just ₹249! Grab Now - https://thapatechnical.shop/source-code 🔥 Access Source Code, PPT & Notes here for Free : https://www.thapatechnical.com/2024/09/create-responsive-navbar-in-react-js.html 📺 Discover React.js History in Just 10 Minutes - https://youtu.be/MiK2bFqhg1U 📺 Watch the complete Playlist here : https://www.youtube.com/playlist?list=PLwGdqUZWnOp1Rab71vx2zMF6qpwGDB2Z1 ------------------------------------------------------------------------ 🚀 Boost Your Skills with these Pre-Requisite Videos: 🔗 Best HTML Course - https://youtu.be/5ccq_nLHneE 🔗 Best CSS Course - https://youtu.be/MSICFljRcb4 🔗 JavaScript Basics Course Part 1 - https://youtu.be/13gLB6hDHR8 🔗 JavaScript Advanced Course Part 2 - https://youtu.be/YwsOCN8woA8 ------------------------------------------------------------------------ 💸 Build Your Own E-commerce Website for Free! - https://www.thapatechnical.com/2024/03/build-complete-ecommerce-website-using.html ------------------------------------------------------------------------ ✌️ Join Us! 🚀 Become a Member: Unlock perks, free source code, and more Join Now : https://www.youtube.com/channel/UCwfaAHy4zQUb2APNOGXUCCA/join 📷 Connect on Instagram: https://www.instagram.com/thapatechnical 🗨️ Join Our Discord Server: Hang out with fellow programmers Discord Link: https://discord.gg/MdScmCsua6 ------------------------------------------------------------------------ ⌛TIMELINE⏳ 0:00 – Introduction to Updating Posts Using React Query 0:45 – Demo: How to Update Post Title in React App 1:10 – Benefits of React Query for Optimizing API Calls 1:30 – Creating the Update Post API Function 3:20 – Comparing useQuery vs useMutation for Data Fetching 3:50 – Defining the UpdateMutation Function in React Query 9:30 – Adding onClick Function for Update Button with Post ID 10:25 – Understanding How to Console Log Key Properties for Debugging 12:15 – How to Update Local Cache Data Without Refetching 13:10 – Using Ternary Operators to Update Cache Efficiently 14:35 – Alternative Approach: Using Axios with React Query for Updating Data 15:20 – Outro and Subscribe for More Tutorials