Using mybatis generator to generate code in spring boot
Please create your springboot project first Add mybatis generator to the project 1. Add plugin in pom <plugin> <groupId>org.mybatis.gener...
C + + Learning (18) (C language part) pointer 2
Pointer1. Overview of pointers What is the pointer? Pointer is an address is a constant Int int a a is a variable What does the pointer do? Easy to us...
spring Boot integrated multi data source (with paging)
According to the needs of the project, the front end needs to be provided with data from different databases. Now a variety of data sources are integ...
centos7 installation process and host configuration
This article records the whole process of CentOS 7 64 bit installation on the virtual machine, which I downloaded for my future installation and use ...
Data structure (C language) course 5: drug sales statistics system of drugstores
Data structure (C language) course 5: drug sales statistics system of drugstores Title Description: You work as a warehouse keeper in an L drug store...
Use SignalR to actively push alert logs from the server to various terminals (desktop, mobile, web)
WeChat public address: Dotnet9 Website: Dotnet9 , questions or suggestions: Please leave a message on the website， If it helps you: Welcome appreciat...
Manage hierarchical data using MySql
Summary We know that relational database tables are better suited for flat lists than for hierarchical data with parent-child relationships that can b...
Create a jdbc connection
This paper introduces how to establish a jdbc connection for database query. Create a java project and import the jar package. Using mysql database, t...
[JavaSE] JDBC programming of Java
JDBC creation process Load database driver Create database connection Create operation command Execute SQL statement Process return result set Close ...
Exception handling in [C + +] 64 μ C + +
C + + exception handling C + + has built-in exception handling syntax element try... Catch try statement handles normal logic code catch statement pro...
Easy to use C language to achieve student achievement management system (source code attached)
image I believe that most beginners have to do such a program, that is to use C language to realize a student performance management system, which re...
bzoj4818 SDOI2017 sequence count
Title Link thinking First of all, consider the scheme number of violence \ (dp \), \ (f[i][j] \) represents the number of first \ (I \), the sum of nu...
The usage of c/c + + overloaded operator standard library function
The usage of overloaded operator standard library function Question: is int(int, int) a common type?? For example, function: int add(int a, int b); Fo...
Python's C/C + + extension -- boost UU Python writing Python module
In the previous section, python uses ctypes to directly call dynamic libraries and uses Python's C language API to encapsulate C functions. This ...
#The way to brush questions with leetcode 40 combination sum II
Given an array candidates and a target number target, find out all combinations of candidates that can make numbers and targets.Each number in candida...
GameFreamWork framework -- Application of event system
Event system is widely used, which is very helpful for processing player data (player gold, experience, level), making data call many times, reducing ...
C pointer principle (15)-C pointer basis
Simple C pointer Pointer to integer and pointer to pointer myhaspl@myhaspl:~ % vim test1.c #include <stdio.h> int main(void){ int x; x=128; int...
Echo server C + + 4-UDP connect version
Calling the connect function for a UDP socket does not establish a connection with the UDP socket of the other party, but registers the destination IP...
Analysis of 25 × and × operators
Operator operator #Operator to convert macro parameters to strings during preprocessing #The conversion of is completed in the preprocessing period, s...
[tree cover] [learning notes]
thought Tree cover tree, like his name, is a tree cover another tree. Use an outer tree to maintain something like intervals. Then each node of the ou...
Add and query data table with object-oriented idea, JDBC code is super detailed
In this paper, the JDBC program is written with the object-oriented idea, and the java program is used to add the student information to the data tabl...
LOJ Chen 6030. "Yali training 2017 Day1" matrix (greedy construction)
meaning of the title link Sol I don't know how to make the series It is not difficult to observe several properties: The best strategy must be to...
SpringBoot practice | using JdbcTemplates to access Mysql
WeChat public number: an excellent wasterIf you have any questions or suggestions, please leave a message in the background. I will try my best to sol...
Dictionary and hash table to implement Redis source code
Through the study of "Redis design and implementation", I intend to implement a "Redis source code" as my own learning record. Stu...
C ා create Excel chart with multi-level classification labels
Compared with data, charts can more intuitively reflect the trend of data changes. In the data table, the same data value may represent different data...
[tutorial] Java MySQL connection
Reprinted from http://www.runoob.com/java/java-mysql-connect.html In this chapter, we will show you how to use JDBC to connect to MySQL database. A d...
Application instance of rewrite Module of Nginx service (actual combat! Can do with it!)
Experimental environment Linux CentOS7 virtual machine (IP: 192.168.52.132)win10 virtual machine (as test machine) 1. Install Nginx and bind services...
django development - building distributed (multi node) task queue with cellery
Today, I'll show you how to use cellery to build a task queue with two nodes in django project (one master node and one child node; the master no...
Luogu P3346 [ZJOI2015] fantasy land favored by gods (generalized suffix automata)
meaning of the title Title Link Sol Board questions of generalized SAM. First, if the leaf node is no more than 20, then the subtree whose root is eac...