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generic paradigm 1. Introduction to generics: 1.1 basic concepts of generics: 1.2 benefits of generics: Better code readability (no coercion); Program more secure 1.3 erasure type: Type parameters written in generics during encoding will be removed by the compiler during compilation, which is called "type erasure" 2. Use of g ...

I Download docker and install it Docker Desktop official download address 1. Installing docker in CentOS 7 1. Use the official installation script to install automatically curl -sSL https://get.daocloud.io/docker | sh 2. Install docker engine community 2.Win10 installation Just keep clicking on the next step If not, check to see if Hyper ...

Deploying K8s cluster using kubeadm on Ubuntu 20.04 LTS 1. Environmental Information MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports) macOS Big Sur Version 11.5.2 2.3 GHz Quad-Core Intel Core i7 16 GB MemoryVirtualBox 6.1.22 r144080Ubuntu 20.04.2 LTS server Although this experiment was conducted on Mac, it is still theoretically ap ...

Pod life cycle Pod can have multiple containers in which applications run, but it may also have one or more Init containers that start before the application container The Init container is very similar to an ordinary container, except for the following two points: The Init container always runs until successful completionEach Init conta ...

1. Resource allocation list In order to better solve the problem of service arrangement, Kubernetes introduced the Deployment controller in v1.2. This controller does not directly manage the Pod, but indirectly manages the Pod by managing the ReplicaSet. Therefore, the function of Deployment is more powerful than that of the ReplicaSet; ...

summary: Since bloggers use docker in their daily development work, they specially find some materials for in-depth study of docker technology, and introduce it to you in combination with their commonly used docker commands in their daily work. Docker commands can be roughly divided into three categories: startup commands, image commands and c ...

Traversal of container: void printlist(list<int>& L) { for (list<int>::const_iterator it = L.begin(); it != L.end(); it++) { cout << *it << " "; } cout << endl; } I Constructor List < int LST > / / list Cao Yong template class try next year, the default construction form of the object list(beg,en ...

Docker common commands Docker Hub official website: https://hub.docker.com/ 1. Help command docker version # Display Docker version information. docker info # Displays Docker system information, including the number of images and containers docker --help # help Among the three commands, docker --help is the most commonly used. When ...

catalogue 1, Docker introduction 2, Installation 1. Uninstall old version 2. Install system tools 3. Add Docker yum 4. Update source cache 5. Install Docker 3, Basic use 1. Preparatory work 2. Image download 4, Container 1. Create container 2. View current container 3. Delete container 4. Entry and exit 1, Docker introducti ...

Kube scheduler source code analysis (1) - initialization and startup analysis Introduction to Kube scheduler Kube scheduler component is one of the core components in kubernetes. It is mainly responsible for the scheduling of pod resource objects. Specifically, Kube scheduler component is responsible for scheduling the unscheduled pod to the ...