Python on Rishav Dahal http://www.rishavdahal.com.np/tags/python/ Recent content in Python on Rishav Dahal Rishav Dahal http://www.rishavdahal.com.np/images/default-og-image.jpg http://www.rishavdahal.com.np/images/default-og-image.jpg Hugo en-US Mon, 15 Jun 2026 10:00:00 +0545 Integrating eSewa Intent API v2 in a Django Backend http://www.rishavdahal.com.np/blogs/esewa-intent-api-v2-django/ Mon, 15 Jun 2026 10:00:00 +0545 http://www.rishavdahal.com.np/blogs/esewa-intent-api-v2-django/ A complete step-by-step engineering guide for integrating eSewa Intent API v2 into Django REST Framework, including booking, webhook callbacks, and debugging silent production failures. Cast in Nepal — Surnames, Gotra & Kuldevta Archive http://www.rishavdahal.com.np/projects/cast-in-nepal/ Thu, 20 Feb 2025 10:00:00 +0545 http://www.rishavdahal.com.np/projects/cast-in-nepal/ A fast, searchable open-access digital archive documenting 700+ verified Nepali surnames, gotras, ancestral lineages, and kuldevtas to preserve demographic and cultural knowledge. Modular Query Refinement http://www.rishavdahal.com.np/projects/modular-query-refinement/ Fri, 10 Jan 2025 11:00:00 +0545 http://www.rishavdahal.com.np/projects/modular-query-refinement/ A dynamic web application that uses natural language processing to refine user search queries by analyzing intent, context, and semantics for more accurate results. CGPA Calculator http://www.rishavdahal.com.np/projects/cgpa-calculator/ Fri, 10 Jan 2025 10:30:00 +0545 http://www.rishavdahal.com.np/projects/cgpa-calculator/ A user-friendly software tool that automatically calculates Semester Grade Point Average (SGPA) and Cumulative Grade Point Average (CGPA) for students across multiple semesters. Face Recognition Attendance System http://www.rishavdahal.com.np/projects/face-recognition-attendance-system/ Fri, 10 Jan 2025 10:00:00 +0545 http://www.rishavdahal.com.np/projects/face-recognition-attendance-system/ A simple and effective attendance system using real-time face recognition, Haar cascades, and KNN model for automated attendance logging. Improving OCR Accuracy on Document Images http://www.rishavdahal.com.np/blogs/improving-ocr-accuracy-on-document-images/ Thu, 09 Jan 2025 11:32:00 +0545 http://www.rishavdahal.com.np/blogs/improving-ocr-accuracy-on-document-images/ Explore step-by-step techniques to improve OCR accuracy on document images using OpenCV, noise filtering, adaptive thresholding, and morphological operations. OCR Code Compiler http://www.rishavdahal.com.np/projects/ocr-code-compiler/ Thu, 09 Jan 2025 11:32:00 +0545 http://www.rishavdahal.com.np/projects/ocr-code-compiler/ OCRcompiler 2.0 extracts programming code from document images and executes it in isolated environments across multiple programming languages.