Django API Documentation with ReDoc & drf-yasg
Introduction: Why Use ReDoc for Django REST API Documentation? Great API documentation is non-negotiable. Whether you're building public APIs or internal microservices, good docs: Reduce bugs and misunderstandings Help frontend/mobile teams integrate faster Simplify onboarding …
Python datetime Module: A Complete Tutorial
Working with dates and times is a common requirement in many Python applications — from logging and timestamps to time-based data processing and automation. Python’s built-in datetime module provides a powerful and flexible set of …
Mastering Django RetrieveModelMixin for Clean and Reusable Retrieve APIs
Introduction: Why RetrieveModelMixin Matters APIs often need to fetch a single object by its ID or slug—whether you're viewing a user profile, a blog post, or an individual product. Writing this retrieval logic over and …
PHP XML DOM Parser: Read, Modify & Create XML Like a Pro
Introduction: Why PHP XML DOM Parsing Matters XML (eXtensible Markup Language) is a popular format for data exchange across APIs, config files, and web services. While PHP provides multiple ways to handle XML (SimpleXML, Expat, …
How to Redirect Users After Form Submission in PHP
Redirecting users to a new page after form submission while sending the data via email is a common task in web development. This guide will show you the correct approach to achieve this using PHP. …
Django Unit and Integration Testing: A Practical Guide to Writing Reliable Tests
Introduction: Why Testing in Django Matters In modern web development, testing is not optional—it's essential. When building Django applications, especially with Django REST Framework (DRF), you want to be sure your views, models, serializers, and …
Testing Django REST APIs with APITestCase: A Complete Guide
Introduction: Why API Testing with APITestCase Matters In modern web applications, APIs act as the contract between frontend and backend. Even a small change in the backend can silently break functionality—if it’s not tested. That’s …
Python Arrays – Efficient Collections of Data
In Python, arrays are used to store multiple values in a single variable. While Python lists are more flexible and commonly used, Python also has a dedicated array module for cases where all items are …
Python try-except Tutorial: Mastering Error Handling
Errors are inevitable in programming. But with Python’s try-except blocks, you can gracefully handle exceptions and make your programs more robust, user-friendly, and crash-resistant. This guide explains: What exceptions are How try-except works Common exception …
Connecting Django REST Framework (DRF) with Django Signals
Introduction: Why Combine Django Signals with DRF? In modern web applications, many things need to happen automatically when data changes — like sending an email after user registration, logging changes, or triggering third-party APIs. If …
Django Namespace Versioning: Organize and Scale Your APIs with Precision
Introduction: Why Namespace Versioning Matters As your Django project evolves, API changes become inevitable—new features get added, response formats are updated, and breaking changes sneak in. Without proper versioning, this can quickly turn into a …
PHP Form Validation for Name, Email, URL, Phone, and Gender (with Code Examples)
Introduction: Why PHP Form Validation Is Crucial Form validation is a must-have feature in any PHP-powered web application. Whether you're building a contact form, registration system, or a feedback portal, you need to ensure that: …
How to Use Django RetrieveUpdateAPIView for Flexible, Secure APIs
Introduction: Why RetrieveUpdateAPIView Is Essential In real-world web applications, we frequently need to fetch and update specific resources—think of editing a user profile, updating blog content, or modifying a product. Manually building logic for these …
Python PostgreSQL Tutorial – Filtering Records with WHERE Clause
In real-world applications, retrieving all rows from a database is rarely useful. The WHERE clause lets you filter records based on conditions. In this tutorial, you'll learn how to use WHERE in PostgreSQL queries via …
How to Use Django AnonRateThrottle to Protect Your API from Anonymous Abuse
Introduction: Why Rate Limiting Matters APIs are like highways—without traffic control, they can get clogged or even crash. One common source of "traffic jams" in APIs is anonymous users making too many requests. This could …