youran | java前后端代码生成【增量生成】 前后分离 | Object-Relational Mapping library
kandi X-RAY | youran Summary
kandi X-RAY | youran Summary
java前后端代码生成【增量生成】,前后分离,后端使用spring-boot、mybatis、mapstruct、swagger、easyexcel,前端采用vue-admin-template,支持一对多、多对多关系,基于freemarker的自定义代码模板
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Top functions reviewed by kandi - BETA
- Assemble project
- Assembly cascade extension list
- Separate many - to - many
- Assemble field list
- Retrieve code tree
- Recursively recursively recursively
- Get default display display
- Checks if default value is wrapped
- The method around the method
- Try to try and retry
- Show er diagram
- Convert a comment to its indent string
- Assembly a chart
- Joins the meta chart source
- Get the client IP address
- Gets file content
- Upload file
- Generate code and zip
- Get directory tree
- Format param comments
- Generate displaying model for given meta entity
- Assembly chart source
- Runs the spring configuration
- Check if commit history exists
- Provides information about a system user
- Download code
youran Key Features
youran Examples and Code Snippets
Community Discussions
Trending Discussions on youran
QUESTION
Hi I am trying to populate a database with a series of questions, but I can't get tables to be populated by the questions to retrieve into the app. I'm getting this error(full error log attached):
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.hp.demo/com.example.hp.demo.MainActivityQuizBasics}: java.lang.IllegalStateException: getDatabase called recursively
I have been trying for the past hour to try and resolve this but I can't work out how to fix this. I know it's to do with calling the getWritableDatabase functions in the addQuestions methods but I don't know what to do to fix it. If anyone has any suggestions that would be much appreciated.
MainActivityQuizBasics
...ANSWER
Answered 2019-May-23 at 01:17Your issue(s (as the issue is repeated)) are that you are using methods that will call the getWriteableDatabase and try to open the database via getWritableDatabase before the database has been properly opened.
e.g. in onCreate you call addQuestionsBasics(); that's where you get the recursion. Instead of using this to refer to the database, you need to pass the SQliteDatabase as passed to the onCreate method to the addQuestionsBasics(); and use that.
As such change addQuestionsBasics(the_question); to
:-
QUESTION
I am very new to learning Java and currently I am working on a program that lets me fight the computer based on simple stats that I have assigned us and a random number to function as a dice roll. I recognize that there may be numerous other problems with my code, but the main issue I am trying to resolve is the "Syntax error on tokens, delete these tokens" on line 84 and the "Syntax error, insert "}" to complete Statement" on line 77.
I don't see what the issue is. What am I doing wrong? Both issues are listed near the bottom of my code in comments next to their corresponding lines.
...ANSWER
Answered 2018-Oct-21 at 17:41There are a few issues with the flow of your program, but the current problem is that you are trying to use else
on your while
loop. This is not possible or necessary.
The while
loop will continue until the defined condition is met. Once that happens, the while
loop ends and the next line of code is executed.
So, remove the else {
from the closing of the while
loop. You can then just evaluate the results.
Here's the corrected code, with a couple comments to show WHERE to remove things:
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Install youran
You can use youran like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the youran component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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