Developing Spring AOP with annotations

Concept and understanding of AOP: Understanding aspect oriented programming (AOP) by drawing AOP terminology and XML configuration quick start (1) Create target interface and implementation class package com.ssm.aop.service; import com.ssm.aop.game.Role; public interface RoleService { public void printRole(Role role); } package com.ss ...

Posted by Sulman on Thu, 27 Jan 2022 11:10:15 +0100

[es] three query usages: from size, search after and scroll

1, The difference between the three from size: deep pagination occurs when the page is deeply paged or the size is very large. And the self-protection mechanism of es is max_result_window is 10000. When the number of queries exceeds 10000, an error will be reportedThe implementation principle of this query is similar to the limit in mysql ...

Posted by biopv on Thu, 27 Jan 2022 10:08:15 +0100

Understanding and recognition of C + + polymorphism

1. What is polymorphism? Polymorphism refers to the various forms of function calls, which makes us call functions more flexible. Polymorphism can be divided into static polymorphism and dynamic polymorphism 1) Static polymorphism: static polymorphism refers to the polymorphism at compile time, which is realized through function overloading. Fi ...

Posted by kubis on Thu, 27 Jan 2022 10:02:10 +0100

Please answer c + + - getting started C++

After learning the initial level of C language and the advanced level of C language, start to formally learn C + +. This paper mainly involves the introduction of C + +. The contents introduced are C + + keywords, namespaces, default parameters, IO, function overloading, inline functions, auto keywords, new for loops, nullptr and referenc ...

Posted by Davo on Thu, 27 Jan 2022 09:48:12 +0100

Python learning notes 3

8 function The code that needs to be executed repeatedly in the program is generally encapsulated as a function. 8.1 defining functions The syntax format of the custom function is as follows: def Function name (formal parameter list): Function body return Return value The example code is as follows: # -*- coding: utf-8 -*- def re ...

Posted by Jaguar on Thu, 27 Jan 2022 09:25:21 +0100

C language - Joseph problem (Joseph Ring)

Joseph problem is also called Joseph Ring. Joseph problem has many variants. This paper introduces several solutions to several classical Joseph problems. Question 1: Lu Zhishen eats steamed bread. It is said that Lu Zhishen hurried to daxiangguo temple in Kaifeng at noon one day and wanted to have a meal. At that time, there were 99 monks ...

Posted by BeanoEFC on Thu, 27 Jan 2022 09:13:33 +0100

python factory mode

background I've been looking at the source code of the transformers package recently. How can I not look at this package if I do nlp. There are many interesting problems in the process. I'll share them with you here. Problem encountered: when I look at a code block that automatically loads the model in the transformers package and use pycharm ...

Posted by Randwulf on Thu, 27 Jan 2022 08:29:54 +0100

Java library management system

catalogue 1, Core requirements 1. Simple login 2. Management end Organize books (this function is extensible) Consult books Add books Delete books Print book list sign out 3. Client Query books Borrow books Return books sign out 2, Class design 1. Create book related classes Create a package book first 2. Create operation re ...

Posted by chris9902 on Thu, 27 Jan 2022 08:05:29 +0100

I found the reason with Python and became even more hopeless

Kevin, who has disappeared for a week, is back! We won't talk about sensitive things in this issue. Because * I've had enough. Tell me about a friend's bitter history of Yaohao (license plate). And how I used python Technology (crawler, data analysis, visualization) to help him find the reason and make him more sad. The data in this articl ...

Posted by jogisarge on Thu, 27 Jan 2022 07:02:58 +0100

Strengthening learning and actual combat | mine clearance in custom Gym environment

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python actual combat quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 Before starting Consider a few questions first: Q1: how to expand minefree areas?Q2: how to calculate the prompt number of the grid?Q3: how t ...

Posted by George Botley on Thu, 27 Jan 2022 05:17:03 +0100