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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A surface indication in code that usually corresponds to a deeper problem in the system, suggesting the need for refactoring.

An optimization technique that caches function results for given inputs, avoiding redundant computations for repeated calls.

Functional Programming

A programming paradigm that treats computation as the evaluation of mathematical functions, avoiding state changes and mutable data.

A programming technique where a function calls itself to solve a problem by breaking it into smaller subproblems.

A data structure that follows Last-In-First-Out (LIFO) ordering, where elements are added and removed from the same end (top).

A step-by-step procedure for solving a problem or performing a computation, defined as a finite sequence of instructions.

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