On the relationship among BeanDefinition, BeanDefinitionMap and rootbeandefinition
Through this article, you will gain:
The relationship among rootbeandefinition, BeanDefinition and BeanDefinitionMap is its basic meaning Implementation subclass of BeanDefinition interface Meaning of beanClass member variable in BeanDefinition subclass Process for obtaining rootbeandefinition according to beanName
1, BeanDefinit ...
Posted by bombayduck on Sat, 20 Nov 2021 05:03:48 -0800
549 breadth first traversal search maze path - find the shortest path
Find the shortest path of the maze
How to find the shortest path in the maze???
Use the breadth traversal maze path to search for the shortest path:
0 0 1 1 1 1
1 0 0 0 0 1
1 0 1 1 0 1
1 0 0 0 0 1
1 0 1 1 1 1
1 0 0 0 0 0
Breadth first traversal to find the shortest path
If the value of (0,0) is 1, it means that the intersection of the m ...
Posted by Fredix on Sat, 20 Nov 2021 04:53:23 -0800
Spring Boot + MyBatis + MySQL to realize read-write separation
Author: Waste elder martial brother Source: https://www.cnblogs.com/cjsblog/p/9712457.html
1. Introduction
The task of read-write separation is to select which database to execute an SQL. As for who will select the database, there are no more than two. Either the middleware will help us or the program will do it by itself.
Therefore, general ...
Posted by hdpt00 on Sat, 20 Nov 2021 04:50:14 -0800
Golang standard library binary
binary package implements a simple conversion between a sequence of numbers and bytes.
1,ByteOrder
ByteOrder specifies how to convert a sequence of bytes to a 16, 32, or 64 bit unsigned integer:
type ByteOrder interface {
Uint16([]byte) uint16
Uint32([]byte) uint32
Uint64([]byte) uint64
PutUint16([]byte, uint16)
PutUint32([]byte, uint32 ...
Posted by dewed on Sat, 20 Nov 2021 04:43:34 -0800
Query of general mapper, such as selectByPrimaryKey, select, selectByExample, etc
Recently, there was a query using the general mapper of mybatis. Since I contacted the general mapper, I simply summarized the records so as to help later people.
1, First, put the interface code Mapper.class of mybatis general mapper:
package tk.mybatis.mapper.common;
import tk.mybatis.mapper.annotation.RegisterMapper;
@RegisterMapper
publ ...
Posted by einamiga on Sat, 20 Nov 2021 04:40:56 -0800
js object oriented
1. Basic package type
To facilitate the operation of basic type values, ECMAScript provides three special reference types (basic wrapper types): Boolean, number and string.
Whenever a basic type value is read, a corresponding basic wrapper type object will be created in the background, so that some methods can be called to operate the data.
...
Posted by hmvrulz on Sat, 20 Nov 2021 04:30:49 -0800
Fluent layout - Row, Android framework video
A multi child node control, which is very common in fluent, arranges children in a row. It is estimated that the Flex layout in the Web is used for reference, so many properties and performance are similar to it. Note, however, that it does not have a scrolling attribute. If it exceeds one line, an overflow prompt will be displayed under debug. ...
Posted by Ruud Hermans on Sat, 20 Nov 2021 04:21:52 -0800
CDN log can still play like this!
Author: v ShenIntroduction: Cloud Log Service (CLS) is a one-stop service provided by Tencent cloud Log data The solution platform provides a number of services from log collection, log storage to log retrieval, chart analysis, monitoring alarm, log delivery and so on to help users solve business problems through logs Operation and maintenance ...
Posted by BrianPeiris on Sat, 20 Nov 2021 04:12:54 -0800
RUST learning diary lesson 21 - iterator
RUST learning diary lesson 21 - iterator
0x00 review and opening
The study of functions is over for the time being. This lesson is about iterators. When explaining the for loop earlier, we used the index to traverse each element. If the index position is not required in the traversal process, it is recommended to use the iterator to trave ...
Posted by jigen7 on Sat, 20 Nov 2021 04:04:25 -0800
Guidance process and service control
Linux operating system boot process
Overview of the boot process
1. Post After the server host is powered on, the CPU, memory, graphics card, keyboard and other devices will be preliminarily tested according to the settings in the BIOS of the motherboard. After the test is successful, the system control will be handed over according to t ...
Posted by KnottyAlder on Sat, 20 Nov 2021 03:46:23 -0800