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Integrate with Legacy SOAP APIs using Node.js

Discover how to consume and interact with a SOAP web service from a Node.js backend application using a dedicated SOAP client library, handling WSDL and XML.

Persist State with a `useLocalStorage` React Hook

Create a custom `useLocalStorage` hook to effortlessly synchronize React component state with the browser's local storage for data persistence.

Get the Previous Value of State or Prop with `usePrevious`

Create a custom React `usePrevious` hook to easily track and access the prior value of any state variable or prop between renders.

Track Window Dimensions with a `useWindowSize` Hook

Implement a `useWindowSize` React hook to get real-time width and height of the browser window, enabling dynamic and responsive UI adjustments.

Retrieve Orders with Customer Details from Last 30 Days

Fetch recent customer orders, joining customer and order tables with a date-based filter for active or recent transactions.

Calculate Total Sales Per Product Category with Minimum Threshold

Summarize total revenue for each product category, filtering to show only categories that have achieved a minimum sales volume, using GROUP BY and HAVING.

Find Customers Who Have Placed No Orders

Identify and list customers who have registered but have not yet placed any orders, leveraging the EXISTS operator for efficient conditional filtering.

Calculate Running Total of Sales Using CTE

Compute a cumulative running total of daily sales using a Common Table Expression (CTE) to improve query readability and manage complex aggregations.

Upsert Data into a Table (Insert or Update)

Perform an upsert operation to either insert a new record or update an existing one if a unique constraint is violated, ensuring data integrity.

Implement Server-Side API Rate Limiting

Prevent abuse and control traffic to your API by implementing server-side rate limiting using middleware in Node.js with Express, ensuring fair resource usage.

Fetch and Display Paginated API Data

Learn to fetch and display paginated data from a REST API in a React application. Implement navigation buttons for previous and next pages to enhance user experience.

Verify Webhook Signatures for Security

Enhance webhook security by implementing signature verification in Node.js. Validate incoming requests to ensure they originate from trusted sources, preventing spoofing and tampering.