[spring] dependency injection @ Autowired find beans that can be injected: findAutowireCandidates

@Bean s that Autowired can inject The source code of this article is based on spring-framework-5.3.10.Source location: org springframework. beans. factory. support. DefaultListableBeanFactory. findAutowireCandidates(String, Class<?>, DependencyDescriptor)This article focuses on how @ Autowired can select those beans for dependency inject ...

Posted by dude81 on Tue, 22 Feb 2022 16:54:25 +0100

Reading notes of C language programming (Chapter 11 - structure and common body)

11.1 structure 11.1.1 general Sometimes different types of data need to be combined into an organic whole for easy reference, so a structure appears. Similar to classes in high-level languages such as Java. For example, a student has attributes such as student number / name / gender / age / address: int num; char name[20]; char sex; int age; ...

Posted by silvercover on Tue, 22 Feb 2022 14:26:25 +0100

Detailed explanation of JAVA process control - including exercises

JAVA learning-02-mr. Han Shunping Detailed explanation of JAVA process control - including exercises Branch control Single branch /* Basic grammar if (Conditional expression){ if Statement block } */ int a = 10; if ( a > 8 ) { System.out.println("Entered if Statement block"); } Double branch /* Basic grammar if (Conditional expres ...

Posted by Strings on Tue, 22 Feb 2022 14:10:10 +0100

3 Python comparison operator

5.3 comparison operators 5.3.1 id function view variable flag [experience code] # Three integer variables are defined by unpacking assignment method a,b,c = 10,10,20.5 # View the values of three variables print(a) print(b) print(c) # View the data types of three variables print(type(a)) print(type(b)) print(type(c)) # View the IDs of the ...

Posted by cafegirl on Tue, 22 Feb 2022 13:55:08 +0100

[programming help] use of Python basic syntax and example demonstration

1. Notes 1.1 notes - single line notes    ① "#" is a single line annotation, and the Python interpreter will ignore the input after #, and will not execute it.    ② # can be placed on the top and right of the code.    ③ long press the left mouse button to select a single line or multiple lines of ...

Posted by siesmith on Tue, 22 Feb 2022 12:32:23 +0100

Daily learning - Java design pattern (Day8) -- singleton pattern

We must put forward such tasks for ourselves: first, learning, second, learning, and third, learning. There is never a shortcut to learning. You can reach the peak step by step. 1, Introduction to single example design mode The so-called class singleton design pattern is to take certain methods to ensure that there can only be one obj ...

Posted by chomedey on Tue, 22 Feb 2022 07:18:53 +0100

Python core programming

1. Preface 1.1 access to resources Browser input: code tarena. com. cn Account No.: tarenacode Password: Code_ two thousand and thirteen Address: AIDCode/aid2202/01_month01/to_student_for_month01.zip 1.2 Course Introduction 1.3 learning philosophy 1.3.1 weak grammar, emphasizing essence It is a learning process that weakens languag ...

Posted by kooks on Tue, 22 Feb 2022 06:37:41 +0100

[C + + basic] usage and constant reference

1.1 basic use of references Function: alias the variable. The new alias points to the same block of memory.Syntax: data type & alias = original name #include<iostream> using namespace std; //Reference, alias variables int main(){ int a = 10; int &b = a; cout << "a = " << a << endl; cout << "b = " ...

Posted by daveh33 on Tue, 22 Feb 2022 03:28:04 +0100

Write a few lines of Python code and you can monitor the computer

preface: Following the monitoring of fishing behaviors such as playing games and watching videos, the tendency of migrant workers to leave will also be monitored. Some netizens broke the news that Zhihu was laying off low-key staff, and the video related departments had to lay off almost half. In the discussion area of Zhihu layoffs, some net ...

Posted by discostudio on Tue, 22 Feb 2022 01:04:51 +0100

Simple analysis of ReentrantLock source code

Simple analysis of ReentrantLock source code Most of the content comes from reprint https://www.cnblogs.com/waterystone/p/4920797.html , I only wrote the state and Condition sections, Author: Water rock source: http://www.cnblogs.com/waterystone Articles not reproduced in this blog belong to the author Water rock It is shared with the b ...

Posted by RHolm on Mon, 21 Feb 2022 22:04:12 +0100