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Spring Boot

@Value in Spring Boot

In this article, we will see about the spring boot annotation @Value. The

Two Login Form in One Login Page Spring Boot Security

In this post, we will see how to create two login form in

Multiple Login Pages using Spring Boot Security with Database Authentication

In Spring Boot Security, we will discuss how to create multiple login pages

Spring Boot Security Database Authentication using UserDetailsService Example

In spring boot security, we see the database authentication and authorization using UserDetailsService

@Autowired Injecting Arrays and Collections in Spring Boot

In the spring boot, @Autowired injects object arrays and java collections. Java collections

Python

TypeError: unsupported operand type(s) for +: ‘NoneType’ and ‘int’

In python, TypeError: unsupported operand type(s) for +: ‘NoneType’ and

TypeError: unsupported operand type(s) for -: ‘str’ and ‘str’

The python error TypeError: unsupported operand type(s) for -: ‘str’

TypeError: unsupported operand type(s) for -: ‘str’ and ‘int’

The python error TypeError: unsupported operand type(s) for-: ‘str’ and

ValueError: invalid literal for long() with base 10:

The python error ValueError: Invalid literal for long() with base

ValueError: invalid literal for int() with base 16:

The python error ValueError: Invalid literal for int with base

Spring Boot

Circular view path

The spring boot error Circular view path occurs when the

java.lang.IllegalStateException: Ambiguous mapping. Cannot map method

The spring boot exception IllegalStateException: Ambiguous mapping. Cannot map method

AnnotationConfigApplicationContext has not been refreshed yet

In the spring boot web application development, you may need

javax.json.bind.JsonbException: Can’t deserialize JSON array into: class com.yawintutor.Student

The error message “javax.json.bind.JsonbException: Can’t deserialize JSON array into: class

javax.json.bind.JsonbException: Cannot create instance of a class: class, No default

For json binding api the default implementation is org.eclipse.yasson. The