Programmer Think

  First of all, let's talk about the process of writing code (take this as an example and don't repeat it): Whether it is a provincial or national competition, I will find that the nixie tube display and matrix keys are essential, so my first step is to restore the content of the dynamic nixie tube, and let the nixie tube display the conten ...

In the previous article Analysis of the whole process of using hystrix from feign In, the workflow of springboot startup is explained in detail through a figure. I haven't enjoyed it yet. Today, I will analyze the instantiation process of beans and how spring solves circular dependency in detail. The following figure related to bean instantiati ...

1.Dijkstra algorithm 1.1 algorithm flow interpretation 1. Initialization: The shortest path length of the starting point is set to zero, and the shortest path length of the other points is set to positive infinity. 2.n wheel slack: Dij algorithm divides the points into the set of points with the shortest path and the set of points without ...

Characteristics of queue First in first out (FIFO) Queue is called queue because of its characteristics. It's very similar to the queue in the supermarket, isn't it? The front keeps walking and the back keeps up In the queue, you can only insert at the back and delete at the front. The insert operation is also called enqueue, and the delete ...

Hello, everyone. I'm your good friend - Xiaofeng^ Introduction to Aviator Aviator is a high-performance and lightweight expression evaluation engine implemented in java language, which is mainly used for dynamic evaluation of various expressions. Now there are many open source java expression evaluation engines available. Why do you ...

In this article, we introduce how to use Protocol Buffers data format in Golang applications. Including the definition of Protocol Buffers and the advantages compared with traditional xml and json, and practicing through several examples. Protocol Buffers data format Protocol Buffers is a data format launched by Google. We know that json/xm ...

From the official account: Gopher points northMoney is a mysterious thing from ancient times. Some are strong and powerful, while others are weak and weakIn a system, especially a system related to money, money is the top priority, and the accuracy of calculation will be the theme of this paper.Why is accuracy so important"Sinking a boat w ...

In the development of industrial instruments, the physical quantities measured by the instruments are often converted into current signals for output and transmission. The characteristics of strong anti-interference and long transmission distance of current signals are widely used in industrial instruments. ADI's AD5420 chip directly converts ...

subjectGiven the head node of a linked list, it returns the first node from the linked list into the ring. If the linked list is acyclic, null is returned.If there is a node in the linked list that can be reached again by continuously tracking the next pointer, there is a ring in the linked list. In order to represent the links in a given linke ...

preface Here is a brief summary of some attacks on FPM and FastCGI Pre knowledge What is CGI? Early Web servers could only respond to the request for HTTP static resources sent by the browser and return the static resources stored in the server to the browser. With the development of Web technology, dynamic technology gradually appea ...