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Programming Concepts Beginner

What is Technical Debt?

The implied cost of additional rework caused by choosing a quick solution now instead of a better approach that would take longer.

Technical debt is a metaphor comparing shortcuts in code to financial debt — borrowing speed now costs interest (maintenance burden) later. Types include deliberate debt (conscious trade-offs for deadlines), accidental debt (poor design due to inexperience), and bit rot (code degrading as requirements evolve). Symptoms include slow feature development, frequent bugs, long onboarding times, and fear of changing code. Managing technical debt requires tracking it explicitly, allocating time for repayment (refactoring sprints), preventing accumulation (code review, testing), and making debt visible to stakeholders. Some technical debt is strategic; unmanaged debt is dangerous.

Related Terms

Memoization
An optimization technique that caches function results for given inputs, avoiding redundant computations for repeated calls.
Big O Notation
A mathematical notation that describes the worst-case performance of an algorithm as input size grows.
Queue
A data structure that follows First-In-First-Out (FIFO) ordering, where elements are added at the rear and removed from the front.
Concurrency
The ability of a program to manage multiple tasks that can make progress during overlapping time periods.
Closure
A function that captures and retains access to variables from its enclosing scope, even after that scope has finished executing.
Event-Driven Architecture
A software design pattern where components communicate by producing and consuming events rather than direct method calls.
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