Blog
Magic Wormhole: The Simple, Secure Way to Teleport Files Between Computers
If you are looking for easy, one-time, and secure file transfers, look no further than Magic Wormhole. This powerful tool allows you to send files directly from one computer to another without worrying about cloud storage or prying eyes.
Get full model instance from Django's Subquery
Django's Subquery returns Scalars, Learn How to return a full model instance
How to update Queryset with Annotation in Django
Update a Django queryset using annotations and subqueries, explain when this pattern is useful, and highlight common pitfalls to avoid.
Export PostgreSQL data to CSV with Django
Building scalable back‑ends requires smart data ingestion. This guide shows how to stream large query to csv file from PostgreSQL with Django. It compares performance and memory to get the best solution to your use case
Loading Data with Python into PostgreSQL with Psycopg 3
Explore the best way to import messy data from remote source into PostgreSQL using Python and Psycopg3. The data is big, fetched from a remote source, and needs to be cleaned and transformed.
Building an HTTP PDF Generation Service in Go Using HTML Templates and WeasyPrint
In this article you’ll learn how to integrate WeasyPrint with Golang to build a robust invoice-generating application. We walk through the installation, project setup, template design, view logic and PDF production, giving you a complete blueprint to deliver downloadable or printable invoices in your Golang project.
Create PDF files with Django & Weasyprint
In this article you’ll learn how to integrate WeasyPrint with Django to build a robust invoice-generating application. We walk through the installation, project setup, template design, view logic and PDF production, giving you a complete blueprint to deliver downloadable or printable invoices in your Django project.
Fast & Efficient Bulk Create with Django and PostgreSQL
Building scalable back‑ends requires smart data ingestion. This guide shows how to stream large API datasets into PostgreSQL with Django’s bulk_create and the database COPY command. It compares performance and memory use and explains why streaming is essential for handling remote, messy and big data
Stream videos with Go and Http
Learn how to build a simple video‑streaming server in Go. The article explores HTTP range requests and the <video> element, contrasts HTTP, WebSocket and WebRTC approaches, and demonstrates handling Range headers to serve specific byte ranges for smooth playback
Real Time Chat System With Golang, Redis and Server Side Events
Server‑Sent Events provide a lightweight way to push live updates over a single HTTP connection. This post explains SSE’s benefits—simplicity, automatic reconnection and efficiency and walks through building a real‑time chat using Go and Redis Pub/Sub