プログラマ向け

(<div id="app">{{ message }}</div>) <div id="app">{{ message }}</div> (app.use(MyPlugin)) app.use(MyPlugin) (const express = require('express')) const express = require('express') (<div class="card" style="width: 18rem;">) <div class="card" style="width: 18rem;"> (<p class="card-text"></p>) <p class="card-text"></p> (import { Text, View } from 'react-native';) import { Text, View } from 'react-native'; (const screen = () => () const screen = () => ( (<Text style={heading}>sampleText</Text>) <Text style={heading}>sampleText</Text> (const obj = {[key]: 10};) const obj = {[key]: 10}; (<button onClick={onFetchClick}>) <button onClick={onFetchClick}> ({ render() { return <View />; }}) { render() { return <View />; }} (for (var num of [1, 2, 3]) {) for (var num of [1, 2, 3]) { (const foo = object.foo ?? 'default';) const foo = object.foo ?? 'default'; (array1.find((element) => element > 10);) array1.find((element) => element > 10); ({ name: "apples", quantity: 4 },) { name: "apples", quantity: 4 }, (results.forEach(v => console.log(v));) results.forEach(v => console.log(v)); (data.includes(inputValue)) data.includes(inputValue) (for (const key of iterator) {) for (const key of iterator) { (array1.toLocaleString('en', { timeZone: 'UTC' });) array1.toLocaleString('en', { timeZone: 'UTC' }); (return decodeURI(v) !== decodeURIComponent(v);) return decodeURI(v) !== decodeURIComponent(v); (JSON.stringify({ x: 5, y: 6 })) JSON.stringify({ x: 5, y: 6 }) (JSON.parse(text, reviver);) JSON.parse(text, reviver); (npm install json-server --dev) npm install json-server --dev ("id": "uid1",) "id": "uid1", (import axios, { AxiosResponse } from "axios";) import axios, { AxiosResponse } from "axios"; (export const Http: React.VFC = () => {) export const Http: React.VFC = () => { (AxiosResponse<Member[]> = await axios.get(memberData);) AxiosResponse<Member[]> = await axios.get(memberData); ([name]=${ user.name }) [name]=${ user.name } (<p>{members.length}</p>) <p>{members.length}</p> (document.getElementById('root')) document.getElementById('root') (fetch('http://localhost:8080/myapp').then( res => res.json() )) fetch('http://localhost:8080/myapp').then( res => res.json() ) (res => res.json()) res => res.json() (deviceInfo.filter(item => item.id !== target.id)) deviceInfo.filter(item => item.id !== target.id) (<input type="button" value="edit" onClick={() => this.updateInfo(value)}/>) <input type="button" value="edit" onClick={() => this.updateInfo(value)}/> (JSON.stringify({ title: this.refs.value })) JSON.stringify({ title: this.refs.value }) (({ 'Content-type' : 'application/json' })) ({ 'Content-type' : 'application/json' }) (}).then( () => {) }).then( () => { (#include <stdio.h>) #include <stdio.h> (int main(void)) int main(void) (<main role="main" class="container d-flex justify-content-md-center">) <main role="main" class="container d-flex justify-content-md-center"> (<link rel="stylesheet" href="/public/stylesheets/style.css" />) <link rel="stylesheet" href="/public/stylesheets/style.css" /> (.catch((err) => {) .catch((err) => { (router.get('/:id', async (req, res, next) => {) router.get('/:id', async (req, res, next) => { (var data = results[0][0]) var data = results[0][0] (import java.io.IOException;) import java.io.IOException; (import javax.servlet.http.HttpServlet;) import javax.servlet.http.HttpServlet; (@WebServlet("/test")) @WebServlet("/test") (public class Login extends HttpServlet {) public class Login extends HttpServlet { (private static final long serialVersionUID = 1L;) private static final long serialVersionUID = 1L; (protected void doGet(HttpServletRequest request, HttpServletResponse response)) protected void doGet(HttpServletRequest request, HttpServletResponse response) (throws ServletException, IOException {) throws ServletException, IOException { (request.getRequestDispatcher("./jsp/mytyping.jsp");) request.getRequestDispatcher("./jsp/mytyping.jsp"); (Vue.createApp({) Vue.createApp({ (return `Hello ${this.userName}`;) return `Hello ${this.userName}`; (changeMessage(event, message) {) changeMessage(event, message) { (import org.junit.jupiter.api.Test;) import org.junit.jupiter.api.Test; (@Override) @Override (public void setId(long id) {) public void setId(long id) { (public Collection<? extends GrantedAuthority> getAuthorities() {) public Collection<? extends GrantedAuthority> getAuthorities() { (private String username;) private String username; (private static final) private static final (public void configure(WebSecurity web)) public void configure(WebSecurity web) (.antMatchers("/", "/signup", "/login")) .antMatchers("/", "/signup", "/login") (http.formLogin().loginPage("/login")) http.formLogin().loginPage("/login") (http.authorizeRequests()) http.authorizeRequests() (List<String> errorMsgList) List<String> errorMsgList (new ArrayList<String>();) new ArrayList<String>(); (new ModelAndView();) new ModelAndView(); (extends TestServletInitializer) extends TestServletInitializer (public static void main(String[] args) {) public static void main(String[] args) { (path('admin/')) path('admin/') ('use strict';) 'use strict'; (const http = require('http');) const http = require('http'); (const server = http.createServer((req, res) => {) const server = http.createServer((req, res) => { (const now = new Date().getTime();) const now = new Date().getTime(); (res.end(req.headers.cookie);) res.end(req.headers.cookie); (server.listen(port, () => {) server.listen(port, () => { (Buffer.concat(body).toString();) Buffer.concat(body).toString(); (@user = User.find(params[:id])) @user = User.find(params[:id]) (./gradlew bootRun) ./gradlew bootRun