The latest articles on Forem by Arfan Hosen Ovi (@arfan_hosenovi_10c1a1e52). https://forem.com/arfan_hosenovi_10c1a1e52 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1591892%2F01bcab6c-9f58-4189-8316-60d4af96155c.png https://forem.com/arfan_hosenovi_10c1a1e52 en Arfan Hosen Ovi Tue, 18 Nov 2025 17:56:50 +0000 https://forem.com/arfan_hosenovi_10c1a1e52/why-nodejs-servers-are-lightning-fast-1la4 https://forem.com/arfan_hosenovi_10c1a1e52/why-nodejs-servers-are-lightning-fast-1la4 <p>Node.js architecture reveals why a single-threaded server can be so performant. It shows how asynchronous operations are handled seamlessly and how the Event Loop works together with the Thread Pool to efficiently manage I/O and computation, making Node.js not just JavaScript on the server but a smart, fast, and non-blocking runtime.</p> webdev node Arfan Hosen Ovi Fri, 07 Nov 2025 22:51:29 +0000 https://forem.com/arfan_hosenovi_10c1a1e52/sslcommerz-works-with-frontend-backend-and-database-4df8 https://forem.com/arfan_hosenovi_10c1a1e52/sslcommerz-works-with-frontend-backend-and-database-4df8 <p>🪜 Step 1: Sandbox Account<br> Sign up on SSLCommerz sandbox for test payments. Save your Store ID and Password.</p> <p>🪜 Step 2: Backend Setup<br> Create a Node + Express server, install sslcommerz-lts, and build /init to send payment and customer info plus redirect URLs.</p> <p>🪜 Step 3: Frontend Payment<br> Add a React “Pay Now” button. Post data to /init, get the Gateway URL, and redirect users to SSLCommerz.</p> <p>🪜 Step 4: Handle Result<br> After payment, verify status on redirect URLs and update MongoDB.</p> <p>🪜 Step 5: Display Outcome<br> Show users payment success, failure, or cancellation immediately.</p> node tutorial javascript react