Differential
One-dimensional difference Enter a length ofN ‘s integer sequence. Next inputM operation, each operation contains ...
Learning about functions
I learned about the knowledge related to the function. I learned the precautions and specific usage. In fact, when we ju...
Second opportunity
1. Write a program, define two integer variables, assign and output. #include<stdio.h> main(){ int a=5; int b=6; p...
java foundation (generic wildcard exercises)
User.java package com.klvchen.exer1; public class User { private int id; private int age; private String name; public Us...
Log Integration
We need to import loggingfrom logging.handlers import RotatingFileHandler # Set the log level of the logLogging.basiccon...
java foundation (generic wildcard)
<?> Allow all generic reference calls Wildcard specified upper limit Upper limit extends: The type specified when ...
⑨ state improvement
Multiple components need to reflect the same change data, it is recommended to increase the shared state to the nearest ...
Write the title set
1, [错误点】Object properties call Title: const a = {}; const b = { key : "b" } const c = { key : "c" } //Object call p...
SMS verification notes (arrogant said)
1. Learn about Ali Cloud User Permission Operation The madness said video: https:/space.bilibili.com/95256449/CHANNEL/De...
c language Return statement
Q1: functionReturn语句有什么用？ Q2:Return 0Is there any meaning? A1:ReturnThe role is,Jump out of the current function, and ...