• Oct 29, 2020 •LeifMessinger
0 likes • 3 views
questions = Array.from(document.querySelectorAll(".multiple-choice-question")); async function hackRadio(question){ if(question.querySelector(".question-chevron").getAttribute("aria-label") == "Question completed") return; let answerChoices = question.querySelectorAll(".zb-radio-button"); async function guess(answerChoice){ answerChoice.querySelector("label").click(); } let pause = 0; for(let answerChoice of answerChoices){ setTimeout(()=>{guess(answerChoice)},pause); //No need to check given that it will record the correct answer anyways. pause += 1000; } } for(let question of questions){ hackRadio(question); } questions = Array.from(document.querySelectorAll(".short-answer-question")); async function hackShortAnswer(question){ if(question.querySelector(".question-chevron").getAttribute("aria-label") == "Question completed") return; question.querySelector("textarea").value = question.querySelector(".forfeit-answer").textContent; //question.querySelector(".check-button").click(); They are smart bastards } for(let question of questions){ const showAnswerButton = question.querySelector(".show-answer-button"); showAnswerButton.click(); showAnswerButton.click(); hackShortAnswer(question); }
• Nov 19, 2022 •CodeCatch
1 like • 1 view
class DoublyLinkedList { constructor() { this.nodes = []; } get size() { return this.nodes.length; } get head() { return this.size ? this.nodes[0] : null; } get tail() { return this.size ? this.nodes[this.size - 1] : null; } insertAt(index, value) { const previousNode = this.nodes[index - 1] || null; const nextNode = this.nodes[index] || null; const node = { value, next: nextNode, previous: previousNode }; if (previousNode) previousNode.next = node; if (nextNode) nextNode.previous = node; this.nodes.splice(index, 0, node); } insertFirst(value) { this.insertAt(0, value); } insertLast(value) { this.insertAt(this.size, value); } getAt(index) { return this.nodes[index]; } removeAt(index) { const previousNode = this.nodes[index - 1] || null; const nextNode = this.nodes[index + 1] || null; if (previousNode) previousNode.next = nextNode; if (nextNode) nextNode.previous = previousNode; return this.nodes.splice(index, 1); } clear() { this.nodes = []; } reverse() { this.nodes = this.nodes.reduce((acc, { value }) => { const nextNode = acc[0] || null; const node = { value, next: nextNode, previous: null }; if (nextNode) nextNode.previous = node; return [node, ...acc]; }, []); } *[Symbol.iterator]() { yield* this.nodes; } } const list = new DoublyLinkedList(); list.insertFirst(1); list.insertFirst(2); list.insertFirst(3); list.insertLast(4); list.insertAt(3, 5); list.size; // 5 list.head.value; // 3 list.head.next.value; // 2 list.tail.value; // 4 list.tail.previous.value; // 5 [...list.map(e => e.value)]; // [3, 2, 1, 5, 4] list.removeAt(1); // 2 list.getAt(1).value; // 1 list.head.next.value; // 1 [...list.map(e => e.value)]; // [3, 1, 5, 4] list.reverse(); [...list.map(e => e.value)]; // [4, 5, 1, 3] list.clear(); list.size; // 0
0 likes • 2 views
// `arr` is an array const clone = arr => arr.slice(0); // Or const clone = arr => [...arr]; // Or const clone = arr => Array.from(arr); // Or const clone = arr => arr.map(x => x); // Or const clone = arr => JSON.parse(JSON.stringify(arr)); // Or const clone = arr => arr.concat([]);
• Jan 25, 2023 •C S
0 likes • 13 views
// Vanilla JS Solution: var app = document.getElementById('app'); var typewriter = new Typewriter(app, { loop: true }); typewriter .typeString("I'm John and I'm a super cool web developer") .pauseFor(3000) .deleteChars(13) // "web developer" = 13 characters .typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!" .start(); // React Solution: import Typewriter from 'typewriter-effect'; <Typewriter options={{ loop: true }} onInit={typewriter => { typewriter .typeString("I'm John and I'm a super cool web developer") .pauseFor(3000) .deleteChars(13) // "web developer" = 13 characters .typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!" .start(); }} />
• Mar 22, 2022 •LeifMessinger
//QM Helper by Leif Messinger //Groups numbers by number of bits and shows their binary representations. //To be used on x.com const minterms = prompt("Enter your minterms separated by commas").split(",").map(x => parseInt(x.trim())); const maxNumBits = minterms.reduce(function(a, b) { return Math.max(a, Math.log2(b)); }); const bitGroups = []; for(let i = 0; i < maxNumBits; ++i){ bitGroups.push([]); } for(const minterm of minterms){ let outputString = (minterm+" "); //Count the bits let count = 0; for (var i = maxNumBits; i >= 0; --i) { if((minterm >> i) & 1){ ++count; outputString += "1"; }else{ outputString += "0"; } } bitGroups[count].push(outputString); } document.body.textContent = ""; document.body.style.setProperty("white-space", "pre"); for(const group of bitGroups){ for(const outputString of group){ document.body.textContent += outputString + "\r\n"; } }
• Jan 5, 2026 •C S
0 likes • 9 views
<div className="md:self-start sticky top-16 bg-background px-4 mt-1 sm:px-6 md:pt-4 lg:pl-8 lg:pr-4"> <ScrollArea className="whitespace-nowrap"> <div className="w-max flex md:flex-col gap-1 bg-transparent text-muted-foreground pb-2"> {menuData.map((section) => ( <Button key={section.title} onClick={() => handleScrollToSection(section.title)} variant="ghost" size="sm" className={cn( 'w-auto md:w-full hover:cursor-pointer relative md:justify-end', activeSection === section.title ? cn( 'text-foreground after:absolute after:bottom-[-2px] after:bottom-0 after:w-full after:h-[2px] after:bg-primary', 'md:after:right-[-2px] md:after:top-0 md:after:h-full md:after:w-[2px]', ) : '', )} > {section.title} </Button> ))} </div> <ScrollBar orientation="horizontal" /> </ScrollArea> </div>