miniconda configuration manual – basic configuration, initialization, management of virtual environments, and package operations

Table of Contents Preface The first step is to install the software. This step cannot be skipped. The second step is to configure the basic miniconda. This step mainly involves modifying the “.condarc” file. The third step is miniconda initialization. This step cannot be skipped. Step 4. Manage the virtual environment Step 5: Use the […]

C++ polymorphism and virtual functions

Directory structure 1. Concept 1.1 Polymorphism 1.2 Virtual functions 2. Virtual function 2.1 Function 2.2 Can the destructor be a virtual function? 2.3 Can the constructor be a virtual function? 2.4 Pure virtual functions 2.5 Principle of virtual table? Where are the virtual table pointers stored? 2.6 Does a virtual function appear in the definition […]

Detailed steps for virtual machine creation and connection

Article directory What is a virtual machine? Step 1: Choose virtualization software 1.1 VirtualBox 1.2 VMware Workstation 1.3 VMware Player 1.4 Hyper-V Step 2: Create a virtual machine 2.1 Open the virtualization software 2.2 Create a new virtual machine 2.3 Configure the virtual machine 2.4 Install operating system 2.5 Start the virtual machine Step 3: […]

C++ virtual inheritance memory object model

Article directory C++ virtual inheritance memory object model 1. Ordinary virtual inheritance 1.1 Memory size 1.2 Memory layout 1.3 Pointer assignment 1.4 Base class pointer call 1.5 Calling subclass pointers 2. Subclasses add their own virtual functions 2.1 Virtual function table 2.2 Virtual inheritance table 2.3 Memory layout 3. Diamond inheritance 4. Summary C++ virtual […]

C++ class virtual function memory object model analysis

Article directory C++ Class Virtual Function Memory Object Model Analysis 1. Simple inheritance 2. Add virtual functions to subclasses after simple inheritance 3. The inherited virtual function is not the original subclass 4. Multiple inheritance 5. Summary C++ class virtual function memory object model analysis One of the most important features of object-oriented is polymorphism. […]

Inheritance, Diamond Inheritance and Virtual Inheritance

Inheritance, diamond inheritance and virtual inheritance 1. Concept 2. Define the format 3. Inheritance method 4. Changes in access methods of derived classes inheriting base class members 5. Assignment and conversion of base class and derived class objects 1. Concept 2. Schematic diagram 3. Sample code 4. Features 6. Scope in inheritance 1. Concept 2. […]

Characteristics of tun/tap and veth devices of Linux virtual network devices

In the current cloud era, virtual machines and containers are everywhere, and the network management behind them is inseparable from virtual network devices. Therefore, understanding virtual network devices will help us better understand the network structure in the cloud era. Starting from this article, we will introduce virtual network devices under Linux. The difference between […]

Quickly build domain name websites and subsites on Linux virtual machines

Website requirements: 1. Based on the domain name www.openlab.com, you can access the website content as welcome to openlab!!! 2. Create three sub-interfaces for the company to display student information, teaching materials and payment websites respectively. Access student information based on the website www.openlab.com/student, and access teaching materials www.openlab.com/ based on the website www.openlab.com/data. Money […]