Liner Regression Solved Example for ML
Formula : Y=aX+b So first we calculate a and b a=n* summation(xy)-summation(x)*summation(y) / n* summation(x*x)- summation(x*x) b=1/n * (summation(y)- a * summation(x))
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JSP Automatic Redirect After Session Expire/Timeout
Steps : 1.Create index.jsp and write below code ================================================ <html> <head> <META HTTP-EQUIV="refresh" CONTENT="<%= session.getMaxInactiveInterval() %>; URL=error.jsp" /> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JSP Page</title> </head> <body> </body> </html> ================================================== 2.create error.jsp ================================================== 3. in web.xml write below entry of session in minit <session-config> <session-timeout> 1 ...
Component Mapping With Annotation
When we want to store one class object as value to another class object then we have to use component mapping For Component mapping we have two annotations. 1. Embedable 2.Embeded A class whose object we want to store like a value of another class object should be annotated with ======> @Embedable To the reference variable of embedable class we need to as ===> @Embeded annotation =============================================== @Embeddable public class Address { int hno; String city; } ================================================ @Entity @Table public class Student { @Id int id; @Column String name; @Embedded Address address; ===============================================