HTML5 Password Validation with Regular Expressions: A Complete Guide
HTML5 Password Validation with Regular Expressions: A Complete Guide Password security is a critical part of modern web development. HTML5 brings native support for form validation using the pattern attribute—no JavaScript required for basic checks. …
Advanced Guide to Nested Serializers in Django Rest Framework
Nested serializers allow you to represent relationships between models in a structured, human-readable way. While basic nesting is simple, advanced nested serialization—especially writable nested serializers—can be more complex. In this article, we’ll cover: ✅ Recap …
Python MongoDB Tutorial – Delete Document with PyMongo
Deleting documents in a MongoDB collection is a fundamental operation, especially when managing data that is outdated, incorrect, or no longer needed. With PyMongo, Python developers can easily perform deletion operations using intuitive methods. In …
Python BigQuery: How to Create a Table
Creating tables in BigQuery using Python allows you to automate data workflows, build ETL pipelines, or set up infrastructure-as-code for your analytics stack. In this article, you'll learn: What a table is in BigQuery How …
A Complete Guide to Sparse Data with Python SciPy
Handling large datasets is a common challenge in scientific computing and data analysis. Often, these datasets contain mostly zero values, and storing or processing them as regular dense arrays can be inefficient. This is where …
Python Matplotlib Grid – A Complete Guide
Grids in data visualizations act as reference lines that make it easier to read and interpret your plot. Matplotlib provides flexible control over grid lines on both x and y axes. This article will teach …
Strong Password Validation in jQuery Using Regex: Require Length, Number, Uppercase, Lowercase, and Special Character
Strong Password Validation in jQuery Using Regex: Require Length, Number, Uppercase, Lowercase, and Special Character Ensuring users create strong passwords is essential for application security. This article shows you how to implement client-side password validation …
PHP Superglobals: Accessing Global Data in PHP Made Easy
Introduction: Why Superglobals Matter In PHP, superglobals are built-in variables that are always accessible—anywhere, anytime. These powerful variables let you: Receive form data ($_POST, $_GET) Access session variables ($_SESSION) Interact with server info ($_SERVER) Handle …
Python BigQuery: How to UPDATE Data in a Table
BigQuery supports the UPDATE SQL statement to modify existing records in a table. This is useful for correcting data, enriching rows, or applying transformations over time. With the BigQuery Python client, you can execute these …
Python MSSQL: How to Use LIMIT (Equivalent in SQL Server)
When working with databases, it's often necessary to limit the number of rows returned from a query — for example, to preview data, implement pagination, or optimize performance. In MySQL, you'd typically use the LIMIT …
Mastering Django ListAPIView: Create Read-Only APIs with Ease in DRF
Introduction: Why ListAPIView Matters in Django When building REST APIs in Django, especially for listing data (like a list of users, products, or blog posts), you want to keep things clean, efficient, and scalable. That’s …
Simulating API Requests in Django with APIClient — A Practical Guide
Introduction: Why Use APIClient in Django? When developing APIs with Django REST Framework (DRF), testing your endpoints is non-negotiable. Bugs in API logic, security vulnerabilities, or bad request handling can derail a production app. To …
Python DynamoDB: How to Insert Data
In this article, you'll learn how to insert items into a DynamoDB table using Python and Boto3, the AWS SDK for Python. We'll cover the fundamentals, syntax, complete examples, and also touch on best practices …
Python NumPy Random: An Introduction
NumPy is a powerful library for numerical computing in Python. One of its most useful submodules is numpy.random, which provides tools for generating random numbers and performing probabilistic simulations. In this article, we’ll explore the …
NumPy ufunc for Finding LCM (Least Common Multiple)
Finding the Least Common Multiple (LCM) is a common task in number theory, cryptography, and system design. With NumPy’s universal functions (ufuncs), you can compute LCM efficiently on arrays using element-wise operations — fast, vectorized, …