Article directory 1 Introduction 2. Presto plug-in architecture 3. Plugin interface 3.1 Plug-in Agreement 3.2 Plug-in implementation class 4. Plug-in loading process 4.1 PluginManager 5. Plug-in application 6. Summary Keywords: Presto Plugin 1. Preface Source code environment of this article: presto: prestoDb version 0.275 Plug-in mechanism design is a very common and powerful extension method […]
Tag: infinite
The springfox-swagger parameter is an infinite recursive solution for objects
1. Background In the interface parameter receiving entity class, add a field to receive nested json parameters. For convenience, the type of this field is another entity class. In the usual development process, this is not the case. problem, and it can save a lot of tedious operations of obtaining values. 2. An error occurs […]
Attachment 3: Provide a python program for infinite PK of bays29 using genetic algorithm (without returning to the starting point)
import random import time import pandas as pd import numpy as np import pickle import datetime starttime=datetime.datetime.now() population_size = 100 # Population size mutation_rate = 0.02 # mutation rate generations = 10000 # Evolutionary generations #Create initial population def create_initial_population(): population = [] cities = list(range(len(distance_matrix))) cities.remove(m) for _ in range(population_size): random.shuffle(cities) population.append(cities[:]) # Randomly […]
The infinite charm of Python: explore its wide range of applications
The infinite charm of Python: explore its wide range of applications Preface First: Python’s multi-field applications Second: The role of Python in data science Third: Python’s web development capabilities Fourth: Application of Python in automation and task automation Fifth: Scientific Computing and Numerical Analysis Sixth: Python’s future prospects: Foreword Python, a programming language that is […]
PHP implements a tree structure of infinite classification, finds all children under it according to the parent ID, and finds all parents according to the child ID
1: Arrange data directly into a tree structure The data structure and methods are as follows: $items = array( 1 => array(‘id’ => 1, ‘pid’ => 0, ‘name’ => ‘Jiangxi Province’), 2 => array(‘id’ => 2, ‘pid’ => 0, ‘name’ => ‘Heilongjiang Province’), 3 => array(‘id’ => 3, ‘pid’ => 1, ‘name’ => ‘Nanchang City’), […]
luming.02 Infinite Progress #My Creation Anniversary
Foreword: After getting up this morning, I saw a system notification from the CSDN official assistant. I happened to have nothing to do, so I clicked to share my creative experience. luming.02 , unknowingly today is the 128th day you have become a creator. To commemorate this day, we have prepared an exclusive surprise for […]
Data structure–“Infinite possibilities for connecting the world–Fig.
As an important concept in data structures, graphs play a role in connecting the world. Compared with trees and binary trees, graphs are more flexible and diverse. They can describe complex relationships in various practical problems, such as interpersonal connections in social networks, route planning in urban transportation, and communication paths in electronic networks. Whether […]
VFP tree planting, one-level tree, infinite level tree, Qiyu_treeview control uses super simple method
As for planting trees, 90% of people will not plant infinite-level trees, and 80% of people will not plant first-level trees. Today, I will teach you how to plant first-level trees and infinite trees. Let’s take a look at the background table first. treedata1, id is an auto-incrementing primary key. 1. Make a form 2. […]
Blog infinite scroll loading (html, css, js) implementation
Introduction This is a page that simply implements a blog waterfall loading function, using html, css, and js. Simple and easy to understand, worth learning from. Demo address: https://i_dog.gitee.io/easy-web-projects/infinite_scroll_blog/index.html Code index.html <!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″> <meta name=”viewport” content=”width=device-width, initial-scale=1.0″> <title>My Blog</title> <link rel=”stylesheet” href=”style.css”> </head> <body> <h1>Blog</h1> <div class=”filter-container”> <input type=”text” class=”filter” […]
[Massive MIMO Detection] Research on large-scale MU-MIMO infinite norm detection based on ADMM with Matlab code
?About the author: A Matlab simulation developer who loves scientific research. He cultivates his mind and improves his technology simultaneously. For cooperation on MATLAB projects, please send a private message. Personal homepage: Matlab Research Studio Personal credo: Investigate things to gain knowledge. For more complete Matlab code and simulation customization content, click Intelligent optimization algorithm […]