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How to understand "heap" Heap sorting is an in-situ sorting algorithm with time complexity of O(nlogn) There are two characteristics of the heap: A complete binary treeEach node in the heap must be greater than or equal to (or less than or equal to) the value of its left and right child nodes; The heap whose value of each node is g ...

catalogue CSS triangle Interface style Mouse cursor outline Prevent dragging text field resize Vertical alignment of inline and inline block elements vertical-align Blank gap at the bottom of the picture Overflow text ellipsis display Single line overflow text ellipsis display Layout skills Clever use of negative margin Text ...

explain Project linkWhat does the microservice framework include?How to implement RPC remote call?Open source RPC framework Restricted languageCross language RPC frameworkBuild ZooKeeper with local Docker Download ImageStart containerView container logRPC interfaceNetty RPC server Interface implementationService startupRegistratio ...

🏠: Blog home page: Incoming bogey 📕: Today's article: [Java] IO stream Foundation 💝: I hope my interpretation of the source code can help you 🎈 🌱: Boji is still trying to learn JavaSE. If you have any questions or omissions, please give me more advice 🙏 ☀️: On the way of self-study and growth, thank you for your company! No hurry ， ...

The previous article introduces the common communication methods between processes: nameless pipeline and named pipeline. This article introduces memory mapping. Memory mapping is very convenient when multiple processes access files to read and write.1. Introduction to memory mapping mmap functionThe mmap function can map the files on the disk ...

Combined with experiment 2 code 1, Experimental purpose Master the basic principle of DPCM codec system. Preliminarily master the experiment, program the DPCM encoder with C/C++/Python and other languages, and analyze its compression efficiency. 2, Experimental principle 1.DPCM encoding and decoding principle DPCM is the abbreviatio ...

The standard pipeline flow, nameless pipeline, named pipeline and mmap memory mapping have been introduced one after another. This article introduces shared memory segments.1. Shared memory mechanism (shmget) Shared memory is also a common means of communication between processes (there is no need for inheritance relationship between processes) ...

1. String type "hello boys and girls. \n" This string of characters enclosed by double quotes is called String Literal, or simply string. As follows: • Example 1 1 //String type 2 #include <stdio.h> 3 int main() 4 { 5 "abcdef"; 6 "";//Empty string 7 return 0; 8 } • Example 2 ...

Go Kratos framework mall micro service actual user service (5) This article is mainly about the preparation of services that provide http interfaces to the web. You can see where you don't write clearly Source code , you are welcome to give advice. Note: vertical... Code is omitted. In order to keep the article concise, I will use vertical fo ...

1, Interface 1.1 what is the interface First of all, explain the rookie tutorial, which is very professional Interface (English: Interface), an abstract type in JAVA programming language, is a collection of abstract methods. Interfaces are usually declared as interfaces. A class inherits the abstract methods of the interface by inheritin ...