Article directory Problem Description solution 1. Create a tree table 2. Implement the select all function 3. Implement multiple selection function 4. Implement child node selection 5. Implement parent node check in conclusion Welcome to the Java learning route column ~ Solve the problem of selecting all, multiple selections and sub-nodes in Vue 3 + […]
Tag: nodes
Action two nodes in Ros2 actively communicate in two directions
Plan implementation: Process 1: The robot sends an audio piece to the server Process 2: After the server processes the audio, it actively sends a playback request to the robot. Process 3: After the robot completes playback, it sends a response to the server Process 4: Then the server returns the end command to the […]
k8s deploys three nodes zookeeper, 1 master and 2 slave clusters
Zookeeper (zk) is usually used as a registration center in microservice applications. It elects leaders internally and is very convenient to configure and deploy. Things to note when deploying zk in k8s: 1) The zk cluster elects leaders internally, and the minority obeys the majority principle, so at least 3 real columns are deployed; 2) […]
Solve the problem of selecting all, multiple selections and sub-nodes in Vue3 + Element Plus tree table
Original link: Solve the problem of all-select, multi-select and sub-node selection in Vue3 + Element Plus tree table Foreword Recently, I have used the tree form in the Element Plus component library, but the official website example can only achieve one-level check, but cannot achieve multi-level check, which cannot meet the business needs, so I […]
k8s install ingress-nginx DaemonSet + HostNetwork + nodeSelector
k8s v1.23.6 install ingress-nginx Easy to understand: ingress-nginx forwards traffic to services within the cluster, and services within the cluster are forwarded to each pod node. To expose the applications inside the cluster to the outside environment through ingress, you can choose two methods (purchasing cloud services to provide load balancing and ignoring Loadbalancer): Deployment+nodePort […]
7. Linux driver development: Device-automatically create device nodes
Directory Click here to view all blog posts As my work progresses, I come into contact with more and more technology stacks. What gives me a very intuitive feeling is that I remember a certain technology/experience very clearly when I first came into contact with it. Often it will be almost forgotten after a few […]
lintcode3722 · Calculate the distance between two binary tree nodes [medium in-order traversal + find the nearest common ancestor of the two nodes]
Title https://www.lintcode.com/problem/3722 Given the root node root of a binary tree and the values p and q of two nodes in the tree, you need to calculate the distance between the two corresponding nodes of p and q in the binary tree, and add it return. The distance between two nodes in a binary tree […]
Matlab simulation of network performance based on LEACH routing protocol, including data volume, energy consumption, and surviving nodes
Table of Contents 1. Program function description 2. Test software version and display of running results 3. Core program 4. Principle of this algorithm 5. Complete program 1. Program Function Description The principle of LEACH is that it divides sensor nodes into two categories: cluster head nodes and ordinary nodes. Ordinary nodes send data to […]
Tree component that dynamically modifies nodes based on antd
Foreword I encountered a requirement before that I could add or delete child nodes for any node. First of all, the technology stack is based on react + ant design. Ant provides the Tree component, but it renders the tree structure based on fixed data. If you need to add or delete nodes, the official […]
Several ways to render DOM nodes in Vue 3
Directory Conditional rendering List rendering Template RefsRendering Render function rendering This article mainly introduces several ways to render DOM nodes in vue3. Conditional rendering In Vue3, there are two ways of conditional rendering: v-if and v-show. v-if determines whether to render a DOM element through conditional judgment. When the condition is false, the corresponding DOM […]