Category: Programming
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![How to Choose the Right SQL Numeric Type — INT, BIGINT, DECIMAL & FLOAT Explained [DB Design Guide]](https://toolcluster.app/wp-content/uploads/2026/03/category-programming.png)
How to Choose the Right SQL Numeric Type — INT, BIGINT, DECIMAL & FLOAT Explained [DB Design Guide]
A practical guide to SQL numeric types: INT, BIGINT, DECIMAL, and FLOAT. Learn why FLOAT must never be used for money, when BIGINT is truly needed, and how to pick the optimal type for every column in your database.
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What Are SOLID Principles? A Beginner-Friendly Guide to the 5 Core Object-Oriented Design Principles [With Python Examples]
SOLID principles are five foundational rules of object-oriented design for writing code that is resilient to change and easy to maintain. This guide explains Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion with Python examples, bad-vs-good comparisons, and real-world applications.
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The Complete Programming Language Comparison Guide [2026] — Use Cases, Features & How to Choose
A practical 2026 comparison of 9 major languages — Python, JavaScript, Go, Rust, Java, C#, PHP, Ruby, TypeScript — covering use cases, performance, frameworks, and career fit.