PHP MySQL Insert Multiple Rows: Efficient Techniques with Examples and Best Practices
Introduction: Why Insert Multiple Rows in PHP Matters When working with data-driven web applications, it's common to insert multiple records at once—whether importing a CSV, submitting a multi-entry form, or logging bulk user actions. Inserting …
Python NumPy: Binomial Distribution Explained
In probability and statistics, the Binomial Distribution is essential for modeling scenarios with two possible outcomes: success or failure. If you’ve ever flipped a coin, taken a multiple-choice test, or measured yes/no responses, you’ve encountered …
Python Operators – The Complete Beginner’s Guide
Operators in Python are special symbols or keywords used to perform operations on variables and values. Whether you're doing math, making comparisons, or working with conditions, operators are everywhere in Python. In this article, you'll …
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: …
Python NumPy ufunc Hyperbolic Functions – A Complete Guide
Hyperbolic functions play a crucial role in advanced mathematics, physics, and engineering. Just as trigonometric functions describe circles, hyperbolic functions describe hyperbolas. NumPy provides fast, vectorized universal functions (ufuncs) to compute these functions efficiently. In …
Django Discussion – A Deep Dive into the Python Web Framework
Django, the web framework for perfectionists with deadlines, has stood the test of time since its release in 2005. It's one of the most powerful and mature web frameworks available in the Python ecosystem and …
Python Numbers – Complete Guide for Beginners
In Python, numbers are a fundamental data type used for math, logic, and data manipulation. Python supports multiple types of numeric values, including integers, floating-point numbers, and complex numbers. This article covers: Numeric types in …
Python NumPy: Exponential Distribution Explained
The Exponential Distribution is a continuous probability distribution commonly used to model the time between events in a Poisson process — for example, the time between incoming calls at a call center or the lifetime …
Python NumPy ufunc: Rounding Decimals
When working with numerical data, rounding is often necessary to control precision or present cleaner results. In Python, the NumPy library provides a suite of ufuncs (universal functions) specifically designed to perform decimal rounding efficiently …
Why Django REST Framework is Better Than Plain Django Views for APIs
Django is one of the most powerful and popular Python web frameworks. It’s excellent for building full-stack web applications. But when it comes to building APIs—especially RESTful APIs—Django REST Framework (DRF) shines far brighter than …
Python Data Types – The Complete Guide for Beginners
In Python, data types represent the kind of value a variable holds. Understanding data types is critical because Python is dynamically typed, meaning you don’t have to declare the type, but you still need to …
Custom Permissions in Django Rest Framework
Permissions in Django Rest Framework (DRF) control who can access what in your APIs. While DRF provides useful built-in permissions (like IsAuthenticated, IsAdminUser, etc.), most real-world applications require custom permission logic. In this article, you’ll …
Python MongoDB Tutorial – Using limit() with PyMongo
When working with large datasets in MongoDB, retrieving all documents is often unnecessary and inefficient. Fortunately, MongoDB provides a simple method to limit the number of documents returned in a query. In this tutorial, you'll …
Python DynamoDB: Querying Data with Boto3
Amazon DynamoDB is a fully managed NoSQL database that offers fast and predictable performance with seamless scalability. In this tutorial, you'll learn how to query data from a DynamoDB table using Python and Boto3, the …
How to Fetch Rows from One Table That Are Not Present in Another Table Using SQL
When working with databases, there are situations where you need to retrieve rows from one table that do not have corresponding values in another table. This can be achieved efficiently using either the NOT IN …