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개발자/백엔드

[Node.js] What is Cookies & Sessions? 2022. 8. 12.
SQL vs NoSQL 정리 2022. 8. 8. SQL vs NoSQL 1. What's SQL? 2. NoSQL 3. SQL vs NoSQL 차이
[Node.js] Dynamic Routing & More on Models 2022. 8. 5. Danamic Routing - You can pass dynamic path segments by adding a ":" to the Express router path - The name you add after ":" is the name by which you can extract the data on req.params - Optional (query) parameters can also be passed (?param=value&b=2) and extracted (req.query.myParam) More on Models - A cart model was added-it holds static methods only - You can interact between models (e.g. de..
[Node.js] MVC란? 2022. 8. 5. Models - Represent your data in your code - Work with your data (e.g. save, fetch) - Responsible for representing your data - Responsible for managing your data (saving, fetching, ...) - Doesn't matter if you manage data in memory, files, databases - Contains data-related logic Views - What the users sees - Decoupled from your application code - What the user sees - Shouldn't contain too much lo..
[Node.js] 기초개념 - 워크플로우 & 디버깅 2022. 7. 29. How the Web Works - Client -> Request -> Server -> Response -> Client Program Lifecycle & Event Loop - Node.js runs non-blocking JS code and uses an event driven code ("Event Loop") for running your logic. - A node program exits as soon as there is no more work to do. - Note: The createServer() event never finishes by default. Asynchronous Code - JS code is non-blocking - Use callbacks and event..
[Node.js] 기초문법 2022. 7. 28. 엄밀히 말하면 Node.js의 문법이 아니라 JavaScript의 문법이지만 Node 강의를 들으면서 간단하게 정리하는 거라 백엔드 카테고리에 작성하였다. 1. let & const let : 재사용가능, 재할당가능 const : 재사용, 재할당 불가. 2. 화살표 함수 // function summarizeUser(userName, userAge, userHasHobby) { // return ( // 'Name is ' + // userName + // ', age is ' + // userAge + // ' and the user has hobbies: ' + // userHasHobby // ); // } const summarizeUser = (userName, userAge, userHasHo..

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