Programming Concepts Beginner

What is Debugging?

The process of finding and fixing errors (bugs) in software code to ensure correct program behavior.

Debugging is a systematic process: reproduce the bug, isolate the cause, fix the code, and verify the fix. Techniques include print/log statements, interactive debuggers (breakpoints, step-through), and rubber duck debugging (explaining the problem aloud).

Modern IDEs provide powerful debugging tools with variable inspection, call stacks, and conditional breakpoints. Logging frameworks (with levels like DEBUG, INFO, WARN, ERROR) help track issues in production.

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SOLID Principles Breakdown

Five object-oriented design principles that guide developers in creating maintainable, flexible, and scalable software systems.

Two memory regions: the stack stores function call data with automatic cleanup, while the heap stores dynamically allocated objects.

The practice of designing application programming interfaces that are consistent, intuitive, and maintainable for developers to consume.

Object-Oriented Programming (OOP)

A programming paradigm that organizes software design around objects containing data and behavior.

Regex (Regular Expression)

A sequence of characters that defines a search pattern, used for string matching, validation, and text manipulation.

The ability of a program to manage multiple tasks that can make progress during overlapping time periods.

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