Programming VIP

This article refers to the original text- http://bjbsair.com/2020-03-22/tech-info/2077/ JavaScript is currently one of the most popular programming languages, as most people say: "If you want to learn a programming language, learn JavaScript." Quincy Larson, the founder of FreeCodeCamp, was asked in a recent interview which language ...

1.Codeforces 961F k-substrings Main idea: given a string, for all its substrings    K − substrings    k-substrings\;k − substrings, ask its prefix and suffix the same maximum length, and the length must be odd, if not, then it is    1    \; - 1 \; - 1.    K − substrings    k-substrin ...

Hanoi Tower problem is a common and classic problem solved by recursion. What is the Hanoi Tower? Hanoi Tower originated from the legend of ancient India and an ancient legend of India. When the great Brahman created the world, he made three diamond pillars. On one pillar, 64 pieces of gold disc ...

Body 1. Content summary This paper mainly discusses the following two problems: Bit operation of JavaScript: first, simply review the lower bit operation, which is usually used less. I believe that many people forget about it as much as I do Authority Design: according to the characteristi ...

meaning of the title Water pouring problem "fill A" means to fill cup A, "empty A" means to empty cup A, "pour A B" means to pour water of A into cup B and fill cup B or empty cup A.Input The input contains multiple sets of data. Each group of data input A, B, C data rang ...

Q - Marriage Match IV Do not sincere non-interference. Like that show, now starvae also take part in a show, but it take place between city A and B. Starvae is in city A and girls are in city B. Every time starvae can get to city B and make a data with a girl he likes. But there are two problems wit ...

Key points of this chapter: Using NLTK to understand corpus Import corpus NLTK Library 0, local corpus to Text 1. Search text Article search: concordance() Similar search: similar() Context search: common UU contexts() Visual word frequency: dispersion [plot() 2. Vocabulary count Length: len() ...

There's no reason why I suddenly want to learn Similar to the front end html changed to wxml,css changed to wxss, wechat developers are a bit excellent 1, Preparation before development First, you need to register the developer account WeChat official account platform website https://mp.weixin.q ...

Common Java threading methods Example 1: current thread pause Thread.sleep(1000); indicates that the current thread is suspended for 1000 milliseconds, and other threads are not affected Thread.sleep(1000); an InterruptedException interrupt exception will be thrown because the current thread sleep may be stopped, and InterruptedException will b ...

The content of this section is based on the previous assignment of the most basic vector of R language. After learning R, I feel very comfortable about the index of vector. Because this is much better than Python's index. The index starts from where the index starts and ends where it ends, instead of inputting 0 as Python does sometimes, it act ...