Introduction to docker 1: docker installation, basic commands and redis operation examples

Environmental Science: centos8.2 minimize installationdocker 1, docker concept Official website: https://www.docker.com/ Github Docker source code: https://github.com/docker/docker-ce Docker is an open source application container engine, which is based on Go language and complies with Apache 2.0 0 protocol is open source. Docker allows de ...

Added by azul85 on Thu, 10 Feb 2022 02:19:14 +0200

hadoop cluster building on mac

1. Environmental Instructions Environment & SoftwareEditionOperating System & MacOs11.2.1Virtual Machine & VMware Fusion12.1Server & CentOS7.8jdk1.8hadoop2.9.2 2. Virtual Machine Preparation 1. Configure static ip 1.1 Virtual Machine Network Settings (NAT) VMWARE Fusion sets the virtual machine network adapter link mode to & ...

Added by beyers on Thu, 10 Feb 2022 02:12:24 +0200

Super detailed CentOS installation Mongodb helps you avoid detours (must see)

CentOS7.2 64 bit installation of mongodb4 4.1 (detailed) Here, I use yum to install automatically. I strongly don't recommend Xiaobai to decompress the compressed package for automatic installation. There are too many pits! Introduction to environment variable path mongodb bin directory: / etcdbpath of mongodb: / var/lib/mongologpath of mong ...

Added by SemiApocalyptic on Thu, 10 Feb 2022 02:06:12 +0200

Communication value transfer between components

I Pass parent component to child component Parent components communicate with child components through props attribute Data is one-way flow parent - > child (if props data is modified in the child component, it is invalid, and there will be a red warning) 1. Parent component Vue code is as follows: Father to son Bind an attribu ...

Added by IlikeTheWeb on Thu, 10 Feb 2022 02:01:36 +0200

Python class and instance variables (class and instance properties)

Neither class attributes nor class methods can be used directly outside the class like ordinary variables or functions. We can regard the class as an independent space, then the class attribute is actually a variable defined in the class body, and the class method is a function defined in the class body. As mentioned in the previous chapter, in ...

Added by gp177 on Thu, 10 Feb 2022 01:43:22 +0200

Shader programming_ For the basic texture in unity, use Unity Shader to achieve the rendering effect of the basic texture

Learn how to render basic textures using Unity Shader catalogue Learn how to render basic textures using Unity Shader Q1: describe the diffuse texture, height texture, normal texture, gradient texture and mask texture in detail? Q2: what is model space, tangent space and world space? Q3: what are the advantages and disadvantages of storing ...

Added by Tokunbo on Thu, 10 Feb 2022 01:40:13 +0200

Java annotation realizes data desensitization - decoupled from the main business and associated with permission control

In recent business requirements, in order to prevent the leakage of sensitive information such as user's mobile phone number, it is necessary to deal with the ciphertext of the mobile phone number, taking into account the following two problems There are many businesses and complex logic. It is too hard to find and change the code one by o ...

Added by joelhop on Thu, 10 Feb 2022 01:35:14 +0200

BUAA (spring 2021) minimum wiring (diagram) -- Prim(BFS + greed) + Kruskal (parallel search set) double solution + principle explanation

Notice before reading Key points introduction and brief statement. The seventh computer question is be ing updated Topic content Problem description The main office and scientific research buildings of Beihang include new main building, Yifu Building, such as heart building, office building, library, main building, building 1, etc;. Be ...

Added by NewbieBryan on Thu, 10 Feb 2022 01:24:51 +0200

Day03 operator

Task 3: operator 1. Arithmetic operator +Represents the addition operator-Represents the subtraction operator*Represents the multiplication operator/Represents the division operator%Represents the modulo / remainder operator package com.lagou.Day03; /** * Arithmetic operator */ public class Demo01 { public static void main(String[] ar ...

Added by mobile target on Thu, 10 Feb 2022 01:23:32 +0200

[data structure and algorithm] basic oj exercise of binary tree

1. Single valued binary tree – oj link Solution: 1. Judge whether the value of the left child of the root is the same as the root node. 2. Judge whether the value of the right child of the root is the same as the root node. 3. Judge whether the binary tree with the left child of the root as the root is a single valued binary tre ...

Added by liquid79 on Thu, 10 Feb 2022 01:07:25 +0200