💻 Programming A–Z: Practical Developer Concepts — Part 3

🔹 A — Authentication ➜ Verifies who a user is

🔹 B — Branching ➜ Creates different execution paths based on conditions

🔹 C — Continuous Integration ➜ Automatically builds and tests code changes

🔹 D — Debugger ➜ Helps developers inspect and troubleshoot running code

🔹 E — Environment Variables ➜ Store configuration values outside the source code

🔹 F — Frontend ➜ Handles the user-facing part of an application

🔹 G — GraphQL ➜ API query language that lets clients request specific data

🔹 H — Hash Map ➜ Stores key-value pairs for fast data lookup

🔹 I — Integration Testing ➜ Tests how multiple components work together

🔹 J — JWT ➜ Token format commonly used to represent authentication information

🔹 K — Key-Value Pair ➜ Associates a unique key with a corresponding value

🔹 L — Logging ➜ Records application events to help monitor and troubleshoot systems

🔹 M — Middleware ➜ Processes requests between different stages of an application

🔹 N — Normalization ➜ Organizes database data to reduce unnecessary duplication

🔹 O — ORM ➜ Maps programming objects to database tables

🔹 P — Pull Request ➜ Proposes code changes for review before merging

🔹 Q — Queue System ➜ Holds tasks or messages until they can be processed

🔹 R — Refactoring ➜ Improves code structure without changing its intended behavior

🔹 S — Serialization ➜ Converts data into a format suitable for storage or transmission

🔹 T — Token ➜ A piece of data used to represent information or authorization

🔹 U — Unit Test ➜ Tests a small, isolated piece of code

🔹 V — Virtual Environment ➜ Creates an isolated environment for project dependencies

🔹 W — Webhook ➜ Sends information automatically when a specific event occurs

🔹 X — XML Parser ➜ Reads and processes XML data

🔹 Y — YAML Configuration ➜ Stores human-readable application or deployment settings

🔹 Z — Zip Archive ➜ Compresses multiple files into a single archive

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