Javascript high-order techniques [array]
Javascript high-order techniques [array]
1. Fastest generation of list of [1,2,3,..., n]
It is very fast to generate numbers by using the subscript index of the list
Array(10).fill(true).map((x,i)=>i+1);
> (10) [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
It can also be seen that Array(n).fill(1) can be used to quickly build a list with length n; ...
Posted by cirko on Fri, 03 Dec 2021 08:29:32 -0800
Common problem solving methods (bit operation, double pointer, prefix and)
This paper summarizes some common simple problem-solving methods encountered in the process of brushing questions:
Array is a kind of linear table in data structure. It is often displayed in the form of integer array and string in algorithm problems. In fact, the array contains more data types. This paragraph mainly explains the solutions ...
Posted by zoozle on Tue, 23 Nov 2021 05:43:37 -0800
Quick sorting of 200 cases 66 for Java beginners
Introduction to the author
Author name: Ming Shiyin in programming world Introduction: CSDN blog expert has been engaged in software development for many years and is proficient in Java and JavaScript. Bloggers also learn and grow step by step from scratch, know the importance of learning and accumulation, and like to fight and upgrade with ...
Posted by colossus_09 on Sat, 25 Sep 2021 17:28:59 -0700