Programmer Think

These simple-looking graphics are all implemented using pure CSS plus an HTML tag. Many of the implementations I've introduced before, or you know, but some believe you haven't seen them before. 1.Square Real-time rendering works as follows: Related CSS code: #square { width: 100px; height: 100px; background: red; } 2. Rectangles Effect: ...

This is the final chapter, permanent missing. Main idea of the title: There are N cards, each card has numbers on both sides, ranging from 1 to 2 N. Find the least number of inversions, so that each card has different numbers on the upward side, and find out the number of solutions to achieve this effect. (multi-test, each card faces upward a ...

After installing the latest Windows 10 update, I noticed a great detail effect in the system UI. In the magnetic paste of the start menu or the UWP-style settings interface, the highlighted border of the element can sense the mouse, and the highlighted part of the border can move with the mouse. Sudden ...

The main contents of this section How to Get Help Documents Introduction to Linux File System Directory operation 1. How to get help documents In the actual working process, we often forget how to use commands, such as what parameters can be followed by ls command. At this time, we can use man command to see how to use commands, ...

This article was first published in the public number "andyqian" of personal WeChat, and we look forward to your attention! Preface Previous article " Java Thread Pool Executor><Analysis of ThreadPoolExecutor Principle ThreadPoolExecutor describes the concepts and principles of ThreadPoolExecutor, and today we'll lo ...

Before we talk about high-precision addition, subtraction, multiplication and division operations, let's first understand what high-precision operations are. In fact, high accuracy means that the range of data and results involved in the operation is beyond the range of data size that standard data type ...

%%% Immortality. It's a graph theory. I always thought it was a bipartite graph or some data structure. Directly speaking, the number is regarded as a node and the card is regarded as a side. From the number of the front side of the card to the side of the negative side with the right of 1 and the opposite side with the right of 0, we can fin ...

This is my first blog, saying that learning is 50% of learning, and the other 50% is explanations. I will share some problems I encounter in the future. Welcome to your blogs for advice. Today, we encounter the problem of sorting object arrays in data processing, which can be summarized as follows: ...

AbstractLoadBalance In Dubbo, all load balancing implementation classes inherit from AbstractLoadBalance, which implements the LoadBalance interface and encapsulates some common logic. as follows public <T> Invoker<T> select(List<Invoker<T>> invokers, URL url, Invocation invoc ...

Write in front File operations in node are quite frequent, and there are many APIs that provide various operations on files and folders. The following is a case study of common APIs to understand their specific usage. A read file fs.readFile(), fs.readFileSync() fs file operation basically includes two ways of synchronization and asynchrony, wh ...