studylida

// solution.js // Not code written by me. This is example code import express from "express"; import bodyParser from "body-parser"; import pg from "pg"; import bcrypt from "bcrypt"; import passport from "passport"; import { Strategy } from "passport-local"; import session from "express-session"; import env from "dotenv"; const app = express(); const port = 3000; const saltRounds = 10; env.config..

import express from "express"; import bodyParser from "body-parser"; import pg from "pg"; const app = express(); const port = 3000; const db = new pg.Client({ user: "postgres", host: "localhost", database: "secrets", password: "password", port: 5432, }); db.connect(); app.use(bodyParser.urlencoded({ extended: true })); app.use(express.static("public")); app.get("/", (req, res) => { res.render("h..

import express from "express"; import bodyParser from "body-parser"; import pg from "pg"; const app = express(); const port = 3000; app.use(bodyParser.urlencoded({ extended: true })); app.use(express.static("public")); const db = new pg.Client({ user:"postgres", host: "localhost", database: "permalist", password: "password", port:5432, }) db.connect(); let items = []; app.get("/", async (req, re..

```ejs ``` ```js app.post("/user", async (req, res) => { if (req.body.예시1 === "예시2") { res.render("new.ejs"); } else { currentUserId = req.body.user; res.redirect("/"); } }); ``` // Connected like this import express from "express"; import bodyParser from "body-parser"; import pg from "pg"; const app = express(); const port = 3000; const db = new pg.Client({ user: "postgres", host: "localhost", ..

`req.body.country`와 `req.body["country"]` 모두 `req.body` 객체 내의 `country` 속성을 참조하는 방법입니다. 그러나 상황에 따라 사용하는 방법이 다를 수 있습니다: 1. **점 표기법 (dot notation)**: - 사용하기 간편하며, 속성 이름이 유효한 변수 이름 규칙을 따라야 합니다. 즉, 공백이나 특수 문자가 없어야 합니다. - 예: `req.body.country` 2. **대괄호 표기법 (bracket notation)**: - 속성 이름이 변수 이름 규칙을 따르지 않거나, 공백이나 특수 문자를 포함하는 경우에도 사용할 수 있습니다. - 예: `req.body["country"]` 따라서 코드 작성 시 변수 이름의 유효성과 속성 이름의 특수한 ..

import express from "express"; import bodyParser from "body-parser"; import pg from "pg"; const app = express(); const port = 3000; const db = new pg.Client({ user:"postgres", host: "localhost", database: "world", password: "password", port:5432, }); db.connect(); app.use(bodyParser.urlencoded({ extended: true })); app.use(express.static("public")); // function checkCountry(addCode) { // } app.g..

index.js import express from "express"; import bodyParser from "body-parser"; const app = express(); const port = 4000; // In-memory data store let posts = [ { id: 1, title: "The Rise of Decentralized Finance", content: "Decentralized Finance (DeFi) is an emerging and rapidly evolving field in the blockchain industry. It refers to the shift from traditional, centralized financial systems to peer..

import express from "express"; import bodyParser from "body-parser"; const app = express(); const port = 3000; const masterKey = "4VGP2DN-6EWM4SJ-N6FGRHV-Z3PR3TT"; app.use(bodyParser.urlencoded({ extended: true })); //1. GET a random joke app.get("/random", (req, res) => { const idx = Math.floor(Math.random * jokes.length); res.json(jokes[idx]); }) //2. GET a specific joke // app.get("/joke", (r..

import axois from "axios"; app.get("/", async (req, res) => { try{ const response = await axios.get("https://bored-api.appbrewery.com/random"); res.render("index.ejs", {activity: response.data}); } catch (error) { console.error("Failed to make requests:", error.message); res.status(500).send("Failed to fetch activity. Please try again."); } }); import express from "express"; import bodyParser fr..

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