Redux Slice
•CHS
1 like • Mar 11, 2021 • 0 views
JavaScript
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class Graph {constructor(directed = true) {this.directed = directed;this.nodes = [];this.edges = new Map();}addNode(key, value = key) {this.nodes.push({ key, value });}addEdge(a, b, weight) {this.edges.set(JSON.stringify([a, b]), { a, b, weight });if (!this.directed)this.edges.set(JSON.stringify([b, a]), { a: b, b: a, weight });}removeNode(key) {this.nodes = this.nodes.filter(n => n.key !== key);[...this.edges.values()].forEach(({ a, b }) => {if (a === key || b === key) this.edges.delete(JSON.stringify([a, b]));});}removeEdge(a, b) {this.edges.delete(JSON.stringify([a, b]));if (!this.directed) this.edges.delete(JSON.stringify([b, a]));}findNode(key) {return this.nodes.find(x => x.key === key);}hasEdge(a, b) {return this.edges.has(JSON.stringify([a, b]));}setEdgeWeight(a, b, weight) {this.edges.set(JSON.stringify([a, b]), { a, b, weight });if (!this.directed)this.edges.set(JSON.stringify([b, a]), { a: b, b: a, weight });}getEdgeWeight(a, b) {return this.edges.get(JSON.stringify([a, b])).weight;}adjacent(key) {return [...this.edges.values()].reduce((acc, { a, b }) => {if (a === key) acc.push(b);return acc;}, []);}indegree(key) {return [...this.edges.values()].reduce((acc, { a, b }) => {if (b === key) acc++;return acc;}, 0);}outdegree(key) {return [...this.edges.values()].reduce((acc, { a, b }) => {if (a === key) acc++;return acc;}, 0);}}const g = new Graph();g.addNode('a');g.addNode('b');g.addNode('c');g.addNode('d');g.addEdge('a', 'c');g.addEdge('b', 'c');g.addEdge('c', 'b');g.addEdge('d', 'a');g.nodes.map(x => x.value); // ['a', 'b', 'c', 'd'][...g.edges.values()].map(({ a, b }) => `${a} => ${b}`);// ['a => c', 'b => c', 'c => b', 'd => a']g.adjacent('c'); // ['b']g.indegree('c'); // 2g.outdegree('c'); // 1g.hasEdge('d', 'a'); // trueg.hasEdge('a', 'd'); // falseg.removeEdge('c', 'b');[...g.edges.values()].map(({ a, b }) => `${a} => ${b}`);// ['a => c', 'b => c', 'd => a']g.removeNode('c');g.nodes.map(x => x.value); // ['a', 'b', 'd'][...g.edges.values()].map(({ a, b }) => `${a} => ${b}`);// ['d => a']g.setEdgeWeight('d', 'a', 5);g.getEdgeWeight('d', 'a'); // 5
/*** @param {number[]} nums* @return {number[]}*/var productExceptSelf = function(nums) {var output = [];var leftMult = 1;var rightMult = 1;for (var i=nums.length - 1; i >= 0; i--) {output[i] = rightMult;rightMult *= nums[i];console.log({output: JSON.stringify(output), i})}for (var j=0; j < nums.length; j++) {output[j] *= leftMult;leftMult *= nums[j];console.log({output: JSON.stringify(output), j})}return output;};console.log(productExceptSelf([1, 2, 3, 4]))
//Use at https://mee6.xyz/leaderboard/732262089447702588//Higher the spammy stat, the more spammy that person is.//This is because mee doesn't give experience to people who post more comments in a minute.function statBlock(title, value){let elm = document.createElement("div");elm.className = "leaderboardPlayerStatBlock";let titleElm = document.createElement("div");titleElm.className = "leaderboardPlayerStatName";titleElm.textContent = title;let valueElm = document.createElement("div");valueElm.className = "leaderboardPlayerStatValue";valueElm.textContent = value;elm.appendChild(titleElm);elm.appendChild(valueElm);elm.remove = function(){this.parentElement.removeChild(this);}return elm;}for(let player of Array.from(document.getElementsByClassName("leaderboardPlayer"))){if(player.spamminess) player.spamminess.remove();let messages = null;let experience = null;const statBlockArray = Array.from(player.querySelectorAll(".leaderboardPlayerStatBlock"));for(let statBlock of statBlockArray){const statName = statBlock.querySelector(".leaderboardPlayerStatName").textContent;const text = statBlock.querySelector(".leaderboardPlayerStatValue").textContent;const number = ((text.includes("k"))? (text.replace("k","") * 1000.0) : +(text));if(statName.includes("MESSAGES")){messages = number;}else if(statName.includes("EXPERIENCE")){experience = number;}}const stats = player.querySelector(".leaderboardPlayerStats");const messagesElement = stats.firstChild;const spamminess = ((messages/experience)*2000.0).toFixed(2);player.spamminess = stats.insertBefore(statBlock("SPAMMINESS", spamminess), messagesElement);}
function Welcome(props) {return <h1>Hello, {props.name}</h1>;}function App() {return (<div><Welcome name="Sara" /><Welcome name="Cahal" /><Welcome name="Edite" /></div>);}ReactDOM.render(<App />,document.getElementById('root'));
const ResponsiveCardImg = styled(Card.Img)`// For screens wider than 768px@media(min-width: 768px) {// Your responsive styles here.}// For screens smaller than 768px@media(max-width: 768px) {// Your responsive styles here.}`export default function App() {return (<MainContainer><Container><Card text='white' bg='dark' style={styles.mainCard}><ResponsiveCardImgstyle={styles.cardImage}onClick={handleClick}src={apeImage}alt='Degenerate Ape Academy'/><Card.Body><Card.Title className='text-center' as='h2'>{apeId}</Card.Title></Card.Body></Card></Container></MainContainer>);}
arr = [] // empty arrayconst isEmpty = arr => !Array.isArray(arr) || arr.length === 0;// ExamplesisEmpty([]); // trueisEmpty([1, 2, 3]); // false