Installing and deploying nginx based on CentOS 7

Introduction to web server:The main function of web server is to provide online information browsing service. At present, the information we browse on the Internet is provided by different web servers. Enterprises usually have their own portal, so it is also crucial to master the web server. Now we can get familiar with the common web servers.1 ...

Posted by private_guy on Sat, 27 Nov 2021 20:54:33 -0800

Day 3 - jQuery

Learning objectives: Can name four common registration events, can name the advantages of on binding events, can name the advantages and methods of jQuery event delegation, can name binding events and unbinding events, can name the copy method of jQuery objects, can name two methods of jQuery multi library coexistence, and can use jQuery ...

Posted by alevsky on Sat, 27 Nov 2021 20:52:35 -0800

What is Huffman tree

Write in front The linked list, stack and queue mentioned earlier are linear storage structures, which are one-to-one relationships. Tree is a data structure with one to many relationship. For example, we often say that a class diagram in Wuhan, Hubei Province and Changsha, Hunan Province is similar to an inverted tree. What is a tree Tree is ...

Posted by trevorturtle on Sat, 27 Nov 2021 20:48:09 -0800

Experiment 3 transfer instruction jump principle and its simple application programming

1, Experimental purpose 1. Understand and master the jump principle of transfer instruction 2. Master the method of using call and ret instructions to realize subroutines, and understand and master the parameter transfer mode 3. Understand and master 80 × 25 color character mode display principle 4. Integrate addressing mode and assembly ...

Posted by azfar siddiqui on Sat, 27 Nov 2021 20:33:29 -0800

Experiment 4: Inheritance

1. Experimental task 2 The program source code is as follows: 1 #include <iostream> 2 #include<typeinfo> 3 4 class Graph{ 5 public: 6 virtual void draw(){ 7 std::cout<<"Graph::draw():just as an interface\n"; 8 } 9 }; 10 11 class Rectangle : public Graph 12 { 13 public: 14 ...

Posted by PcGeniusProductions on Sat, 27 Nov 2021 20:32:40 -0800

python data class: dataclass

Original text: https://www.cnblogs.com/dan-baishucaizi/p/14786600.html 1. Introduction to dataclass dataclass is a new attribute (class decorator) from Python 3.7. dataclass refers to "a variable namedtuple with default value". In essence, it is a class. Its attributes can be accessed directly without special circumstances. There are ...

Posted by Dimitri89 on Sat, 27 Nov 2021 20:31:31 -0800

After the emergence of React Hooks, is Render props still useful

render props is a very popular development mode for logical reuse between components. Since the emergence of React 16.8 Customize Hook Is render props NO longer needed after it is used for logical reuse between components? The answer is NO! Render props is still useful for building reusable components What is render prop A render prop is a fu ...

Posted by yacahuma on Sat, 27 Nov 2021 20:19:05 -0800

log usage

log usage It is inevitable that we encounter bugs in the development process. How can we easily find bugs? There is a logging module in Python that can record what is wrong and record relevant information to help us debug easily log level Logs are divided into five levels, from low to high: 1. DEBUG 2. INFO 3. WARNING 4. ERROR 5. C ...

Posted by svivian on Sat, 27 Nov 2021 20:01:35 -0800

Linux file system and log analysis (more content, take your time)

catalogue 1, Linux file system 1. inode and block overview 1.1 block 1.2 inode (index node) 1.3 inode contains the meta information of the file 1.4 three main time attributes of Linux system files 1.5 when the user opens a file through the file name, the internal process of the system 1.6 method of viewing inode number   1.7 str ...

Posted by lorri on Sat, 27 Nov 2021 20:00:14 -0800

[docker series] docker learning VII, DockerFile writing and actual combat

Let's start learning about DockerFile DcokerFile is a file used to build a docker image. It is a command parameter script Steps to build a general docker image: 1. Write a dockerfile file 2. docker build builds into an image 3. docker run run image 4. docker push publish image (we can publish it to DockerHub or alicloud) Let's see how the offic ...

Posted by Kryptix on Sat, 27 Nov 2021 19:52:05 -0800