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Function promisification

Nov 19, 2022CodeCatch
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Monotonic Array

Nov 19, 2022CodeCatch

0 likes • 2 views

// Time Complexity : O(N)
// Space Complexity : O(1)
var isMonotonic = function(nums) {
let isMono = null;
for(let i = 1; i < nums.length; i++) {
if(isMono === null) {
if(nums[i - 1] < nums[i]) isMono = 0;
else if(nums[i - 1] > nums[i]) isMono = 1;
continue;
}
if(nums[i - 1] < nums[i] && isMono !== 0) {
return false;
}
else if(nums[i - 1] > nums[i] && isMono !== 1) {
return false;
}
}
return true;
};
let nums1 = [1,2,2,3]
let nums2 = [6,5,4,4]
let nums3 = [1,3,2]
console.log(isMonotonic(nums1));
console.log(isMonotonic(nums2));
console.log(isMonotonic(nums3));

List Largest Files Google Drive

Nov 16, 2023LeifMessinger

0 likes • 6 views

function filePath(file){
let folders = file.getParents();
const parents = [];
function makePathString(folderArray){
let path = "";
folderArray.forEach((folder)=>{
path += "/" + folder.getName();
});
return path;
}
while (folders.hasNext()) {
const folder = folders.next(); //This should hopefully remove that folder from the iterator
parents.unshift(folder);
}
return makePathString(parents);
}
function myFunction() {
const myEmail = Session.getEffectiveUser().getEmail();
Logger.log("My email is " + myEmail);
// Log the name of every file in the user's Drive.
var fileIterator = DriveApp.getFiles();
const files = []; //List of [File, size] entries
const filesMaxSize = 10;
while (fileIterator.hasNext()) {
var file = fileIterator.next();
const owner = file.getOwner();
//Only files I own
if((!(owner)) || (!(owner.getEmail)) || owner.getEmail() != myEmail){
continue;
}
const entry = [file, file.getSize()];
function slideUp(arr, index){
//Let's keep sliding it up so we don't have to sort it at the end.
for(let i = index; i > 0; --i){ //Stops at 1
const nextFile = arr[i-1];
if(nextFile[1] > entry[1]){
break;
}else{
//Swap with the next file to slide the file up
const temp = arr[i];
arr[i] = arr[i - 1];
arr[i - 1] = temp;
}
}
}
if(files.length < filesMaxSize){
files.push(entry);
slideUp(files, files.length - 1);
}else{
if(entry[1] > files[files.length - 1][1]){ //If it's bigger than the smallest file in the list.
files[files.length - 1] = entry; //Replace the smallest file
slideUp(files, files.length - 1); //Slide it up
}
}
}
for(let i = 0; i < filesMaxSize; ++i){
const file = files[i][0];
const size = files[i][1];
Logger.log(size + "\t" + filePath(file) + "/" + file.getName() + "\t" + file.getOwner().getName());
}
}

Destructuring Assignment

Nov 19, 2022CodeCatch

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//JavaScript program to swap two variables
//take input from the users
let a = prompt('Enter the first variable: ');
let b = prompt('Enter the second variable: ');
//using destructuring assignment
[a, b] = [b, a];
console.log(`The value of a after swapping: ${a}`);
console.log(`The value of b after swapping: ${b}`);

containsDuplicate

Nov 19, 2022CodeCatch

0 likes • 0 views

let nums = [1,2,3,1]
var containsDuplicate = function(nums) {
let obj = {};
for(let i =0; i< nums.length; i++){
if(obj[nums[i]]){
obj[nums[i]] += 1;
return true;
}else{
obj[nums[i]] = 1;
}
}
return false;
};
console.log(containsDuplicate(nums));

count substrings

Nov 19, 2022CodeCatch

0 likes • 0 views

const countSubstrings = (str, searchValue) => {
let count = 0,
i = 0;
while (true) {
const r = str.indexOf(searchValue, i);
if (r !== -1) [count, i] = [count + 1, r + 1];
else return count;
}
};
countSubstrings('tiktok tok tok tik tok tik', 'tik'); // 3
countSubstrings('tutut tut tut', 'tut'); // 4

TrackerHeads Acronyms

Aug 30, 2024C S

1 like • 18 views

# Acronyms
## Computer Numerical Control (CNC)
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