Development process of class initialization

c++ Class to assign values to member variables , Is it to open up a piece of memory on the stack during code compilation ?

2022-06-24 | CSDN Q & A | 349浏览

Visitor status and login status of mobile app

Want to use html、css、js Achieve the following functions : 1、 When the user is in tourist status , Can only watch app Basic contents in ; 2、 The user fills in all the information on the registration page and presses the submit registration button , T...

2022-06-24 | CSDN Q & A | 460浏览

Quartz dynamically creates a job. The job contains initialization parameters. An error is reported when executing the job. How to solve it

Quartz Timing task , I want to do distributed scheduled tasks , Dynamically create ,JobDetail, At the time of creation Found an error , Because I have to JobDetail in , There's a way to structure , It needs to pass in Ip, It's equivalent to me for ...

2022-06-24 | CSDN Q & A | 260浏览

Structure design (calculation and search)

requirement : Enter the student's grades in each subject , Design a function to calculate the average score of each subject 、 The average score of all students in each subject 、 Find student grades , Then output the results . I hope some friends c...

2022-06-24 | CSDN Q & A | 584浏览

The use of JSX custom instruction in vue3

Custom directive only argument It is recommended to use const App = { directives: { custom: customDirective }, setup { return = a v custom:arg={val} / ; },};const App = { directives: { custom: customDirective }, setup { return = a v custom={ val, ...

2022-06-24 | CSDN Q & A | 437浏览

JPA @query query dynamic table name

The phenomenon and background of the problem BFCUSTOMITEM2022 The suffix of this table is year , New tables are used every year Problem related code , Do not paste screenshots @Query value = 'SELECT f.CUSITEMCODE FROM BFCUSTOMITEM2022 f WHERE ...

2022-06-24 | CSDN Q & A | 918浏览

The HelloWorld code learned from the video is different from the code I wrote when running

img https://img mid.csdnimg.cn/release/static/image/mid/ask/592881164556179.jpeg?x oss process=image/auto orient,1/resize,w 320,m lfit img https://img mid.csdnimg.cn/release/static/image/mid/ask/345232164556144.jpeg?x oss process=image/auto orient,1...

2022-06-24 | CSDN Q & A | 345浏览

asp. Net using URL in layui upload

I would like to ask you ,URL How to write it ? Where should the background code be written ah ? I'm in XXX .aspx.cs Write a method in stay URL Write in ‘ So-and-so .aspx/ Method name ’ Will report a mistake :Request Url is abnormal:Ok I'm in a...

2022-06-24 | CSDN Q & A | 933浏览

3DMAX export multi object information list, unity read and create

There's an idea , I don't know if I can achieve 3dmax There are many of the same objects in , Put the position of these objects , Self rotation information , export Excel Or a file in any format ,unity To specify a prefab, Read the file information...

2022-06-24 | CSDN Q & A | 123浏览

Problems encountered in exercises when learning C

The phenomenon and background of the problem Exercises done , It has been modified according to the standard answer that can be run , But it will still report an error Problem related code , Do not paste screenshots / define CRT SECURE NO WARN...

2022-06-24 | CSDN Q & A | 465浏览

Vs2019 cannot use Microsoft Visual Studio 6.0 package normally. The source file cannot be opened

vs2019 Not working properly Microsoft Visual Studio 6.0 Package Post open report Unable to open source file img https://img mid.csdnimg.cn/release/static/image/mid/ask/517062064556129.png?x oss process=image/auto orient,1/resize,w 320,m lfit img ...

2022-06-24 | CSDN Q & A | 986浏览

Whether the client session will be destroyed after the current window is closed or the session will be destroyed after all windows are closed is unknown.

Is the client's session Will it be destroyed or after all windows are closed session Will be destroyed , To be puzzled .

2022-06-24 | CSDN Q & A | 171浏览

Basic use of echart in HTML5

echart Basic use of Unable to get the child nodes inside img https://img mid.csdnimg.cn/release/static/image/mid/ask/482984954556190.png?x oss process=image/auto orient,1/resize,w 320,m lfit document.getElementById 'traceChart' .getElementsByTagN...

2022-06-24 | CSDN Q & A | 622浏览

In Python, what happens when the conversion of int() fails?

img https://img mid.csdnimg.cn/release/static/image/mid/ask/991914954556115.jpg?x oss process=image/auto orient,1/resize,w 320,m lfit That is, what happens ValueError? Count the words : When the spider web mercilessly sealed my Candlestick ……

2022-06-24 | CSDN Q & A | 650浏览

An error is reported after unity joins the fungus plug-in

my unity Project joining fungus After the plug-in GUI Error: Invalid GUILayout state in FlowchartWindow view. Verify that all layout Begin/End calls match UnityEngine.GUIUtility:ProcessEvent int,intptr,bool This mistake , But it works , And the fu...

2022-06-24 | CSDN Q & A | 763浏览

Spring boot integration redis failed

org.springframework.data.redis.RedisConnectionFailureException: Unable to connect to Redis; nested exception is org.springframework.data.redis.connection.PoolException: Could not get a resource from the pool; nested exception is io.lettuce.core.Redis...

2022-06-24 | CSDN Q & A | 222浏览

Edem2018 always has problems importing models. I don't know what's going on. Let's find out

This EDEM2018 The model cannot be imported smoothly , It has been studied for several days , Crazy ing, Please give me some advice img https://img mid.csdnimg.cn/release/static/image/mid/ask/647436854556157.png?x oss process=image/auto orient,1/res...

2022-06-24 | CSDN Q & A | 396浏览

Using multiple files in c++ to realize a program function

img https://img mid.csdnimg.cn/release/static/image/mid/ask/15921985455614.jpg?x oss process=image/auto orient,1/resize,w 320,m lfit Why have I defined account.h This header file is missing But the main function still shows that the file cannot b...

2022-06-24 | CSDN Q & A | 437浏览

Incomplete vscode code suggestions

Small bai I want to ask , stay VSCODE Editor , In general , Enter the first letter of the word , You will be prompted for the relevant attributes , Normally, common attributes are prompted , But I want some attributes that don't prompt for matching...

2022-06-24 | CSDN Q & A | 890浏览

What is the problem with C language?

/ include stdio.h int main { int a,b,sum; printf ' Please enter two integers :' ; scanf '%d,%d', a, b ; sum=a+b; printf ' The sum of these two numbers is :%d n',sum printf ' The calculation is complete , Thank you for using. ' ; return 0; }

2022-06-24 | CSDN Q & A | 783浏览