Course 16395
Course Introduction:MySQL is a relational database management system developed by the Swedish MySQL AB company and is currently a product of Oracle. MySQL is one of the most popular relational database management systems. In terms of WEB applications, MySQL is the best RDBMS (Relational Database Management System) application software.
Course 2857
Course Introduction:Course introduction: 1. Cross-domain processing, token management, route interception; 2. Real interface debugging, API layer encapsulation; 3. Secondary encapsulation of Echarts and paging components; 4. Vue packaging optimization and answers to common problems.
Course 1795
Course Introduction:Apipost is an API R&D collaboration platform that integrates API design, API debugging, API documentation, and automated testing. It supports grpc, http, websocket, socketio, and socketjs type interface debugging, and supports privatized deployment. Before formally learning ApiPost, you must understand some related concepts, development models, and professional terminology. Apipost official website: https://www.apipost.cn
Course 5521
Course Introduction:(Consult WeChat: phpcn01) The comprehensive practical course aims to consolidate the learning results of the first two stages, achieve flexible application of front-end and PHP core knowledge points, complete your own projects through practical training, and provide guidance on online implementation. Comprehensive practical key practical courses include: social e-commerce system backend development, product management, payment/order management, customer management, distribution/coupon system design, the entire WeChat/Alipay payment process, Alibaba Cloud/Pagoda operation and maintenance, and project online operation. .....
Course 5172
Course Introduction:(Consult WeChat: phpcn01) Starting from scratch, you can solve conventional business logic, operate MySQL with PHP to add, delete, modify, and query, display dynamic website data, master the MVC framework, master the basics of the ThinkPHP6 framework, and learn and flexibly master all knowledge involved in PHP development. point.
Vite-proxy node v17+ encounters ECONNREFUSED error
2023-11-07 20:00:40 0 1 262
vite cannot load configuration from vite.config.js,
2023-10-26 15:36:15 0 2 248
2023-10-26 14:52:04 0 2 211
Rejections are not propagated in chained promises
2023-10-23 17:50:47 0 2 257
Ways to resolve "Error: error:0308010C:digital envelope routines::unsupported" error in Nodejs 18
2023-10-18 15:53:45 0 2 220
Course Introduction:How to traverse nodes in jquery: 1. Use the [children()] method to match the set of child elements of the element; 2. Use the [next()] method to match the sibling elements immediately following the element; 3. Use the [prev()] method to match the element The immediately preceding sibling element.
2020-11-16 comment 0 3556
Course Introduction:JQ methods for traversing nodes: 1. children(); 2. next(); 3. prev(); 4. siblings(); 5. find(); 6. eq(); 7. first(); 8. last(); 9. filter(); 10. is(); 11. map() and so on.
2021-11-15 comment 0 2676
Course Introduction:The traversal method of in-order traversal is: for the current node, first traverse the left subtree, then visit the current node, and finally traverse the right subtree. In-order traversal is a type of binary tree traversal, also called mid-root traversal and in-order tour.
2021-06-18 comment 0 5437
Course Introduction:Tree traversal means visiting every node in the tree. Unlike linear data structures that can be traversed in a single way, binary trees are hierarchical data structures that can be traversed in different ways. Characteristics of the tree traversal structure: 1. Each node of the tree carries a piece of data. 2. There are two subtrees under each tree. There are three types of tree traversal. 1. In-order traversal first traverses all the nodes of the left subtree, then the root node, and finally Visit all nodes in the right subtree. 2. Preorder traversal first traverses the root node, then visits all nodes in the left subtree, and finally visits all nodes in the right subtree. 3. Post-order traversal first visits all nodes in the left subtree, then visits all nodes in the right subtree, and finally visits the root node. Python implements tree traversal classNode:def__init__(self,
2024-01-22 comment 0 155
Course Introduction:Preorder traversal is a type of binary tree traversal. The traversal order is to traverse the root node first, then traverse the left subtree, and finally traverse the right subtree. In golang, recursive algorithms can be used to implement preorder traversal. First, we need to define the structure of the binary tree node, including the node value, left subtree and right subtree pointers. ```gotype Node struct { Value int Left *Node Right *Node}``` Next,
2023-05-10 comment 0 215