Tutorials
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