Top "Annotations" questions

In programming, annotations are used to add information to a code element which cannot be expressed by the type system.

a new object was found through a relationship that was not marked cascade PERSIST

In trying to get a @OneToMany relationship between Article and HeaderField I probably have the mapping not quite right, resulting …

jpa orm annotations many-to-many jpql
@Column(s) not allowed on a @ManyToOne property

I have a JPA entity with a property set as @ManyToOne @Column(name="LicenseeFK") private Licensee licensee; But when I …

java hibernate jpa jboss annotations
ggplot2 - annotate outside of plot

I would like to associate sample size values with points on a plot. I can use geom_text to position …

r annotations ggplot2
Error messages for model validation using data annotations

Given the following classes: using System.ComponentModel.DataAnnotations; public class Book{ public Contact PrimaryContact{get; set;} public Contact SecondaryContact{get; …

c# asp.net-mvc validation annotations data-annotations
@OneToMany and composite primary keys?

I'm using Hibernate with annotations (in spring), and I have an object which has an ordered, many-to-one relationship which a …

java hibernate one-to-many annotations composite-key
EnableWebMvc annotation meaning

I read javadoc about @EnableWebMvc. But I don't understand what this annotation mean? Can you expalin it clearly?

java spring spring-mvc annotations
How to supply Enum value to an annotation from a Constant in Java

I'm unable to use an Enum taken from a Constant as a parameter in an annotation. I get this compilation …

java enums annotations
How to plot arrow with data coordinates in Matlab?

I know there is a function named annotation can plot arrows or double arrows. But annotation can only plot in …

matlab plot annotations figure
javax.annotation: @Nullable vs @CheckForNull

What is the difference between the two? Both seem to mean that the value may be null and should be …

java annotations static-analysis findbugs
Multiple @PathVariable in Spring MVC

Couldn't find an answer to this unfortunately so hoping someone can help. In Spring MVC 3.1.0 here is my method: @RequestMapping(…

java spring spring-mvc annotations path-variables