We can use something like this:
async function resolveToNumber () {
const promise = Promise.resolve(1)
const [error, result] = await to(promise)
console.log(error, result) // [null, 1] -> Here we have the result, and error will be null
}
/* | |
This JavaScript code snippet implements row reduction algorithms for solving systems of linear equations. | |
The rowReductionAlgorithms function provides methods for row replacement, interchange, and scaling operations on matrices. | |
The example cases demonstrate the application of these algorithms to augmented matrices representing systems of linear equations. | |
The code supports operations like row replacement, interchange, and scaling, providing a flexible tool for solving systems of linear equations. | |
Each step is illustrated with examples, showcasing the transformation of augmented matrices to their row-reduced echelon form. | |
*/ |
const parseStringPercentToFloat = percentageArray => percentageArray.map(percentage => parseFloat(percentage.slice(0, -1)) / 100); | |
const parseFloatToStringPercent = percentageArray => percentageArray.map(floatValue => (floatValue * 100).toFixed(2) + "%"); | |
const areArraysEqual = (arr1, arr2) => { | |
if (arr1.length !== arr2.length) { | |
return false; | |
} | |
return arr1.every((element, index) => element === arr2[index]); |
//=========================- - Backtracking Algorithms - -=========================// | |
/* | |
- Backtracking algorithms: | |
are a type of algorithmic technique that is used to solve problems by trying out different | |
possible solutions and "backtracking" or undoing a choice when it is found to be incorrect or not feasible. | |
These algorithms are useful for solving problems where there are many possible solutions, | |
but only a few of them are actually valid or optimal. | |
- Sudoku puzzles: Backtracking algorithms are often used to solve Sudoku puzzles, which involve filling a 9x9 grid with |
//=========================- - Dynamic Programming Algorithms - -=========================// | |
/* | |
- Dynamic Programming: | |
is a problem-solving technique that involves breaking down a complex problem into smaller, simpler | |
subproblems and solving each subproblem only once, storing the results to avoid redundant calculations. | |
The technique is based on the idea of using the solutions of previously solved subproblems to solve the larger problem. | |
- Optimization problems: Dynamic Programming algorithms can be used to solve optimization problems, such as the Knapsack | |
problem, where the goal is to maximize the value of objects that can be placed in a knapsack subject to its weight capacity. |
//=========================- - Search Algorithms - -=========================// | |
//- Binary Search | |
//Binary Search assumes that the input array is already sorted in ascending order. | |
function binarySearch(arr: number[], target: number, start = 0, end = arr.length - 1) { | |
if (start > end) return -1 | |
const mid = Math.floor((start + end) / 2) |
// - - Sorting Algorithms | |
// - Bubble Sort - O(n^2) - Quadratic Time | |
// - Merge Sort - O(n log n) - Quasilinear Time | |
// - Quick Sort - O(n log n) - Quasilinear Time | |
// - Heap Sort - O(n log n) - Quasilinear Time | |
// - Counting Sort - O(n + k) - where k is the range of the input integers | |
// - Radix Sort - O(d(n+k)) - where d is the number of digits in the input integers and k is the range of the input integers | |
// - Bucket Sort - O(n + k) - where k is the number of buckets used | |
// - insertion sort - O(n^2) - Quadratic Time | |
// - selection sort - O(n^2) - Quadratic Time |