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Java - OS independent line separator

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 You might already knew, the new line character depends on your OS. \n for Unix \r\n for Windows and  \r for old Macs and so on Alwa...

Spring Interview Questions Answers - Mostly Asked 2

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Spring Interview Questions - 2 Question: What are the pros or benefits of Spring framework ? The pros of Spring framework are as fol...

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path - Solution

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Solution to the Java Web Project error : " The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Pa...

Hibernate Interview Questions Answers - Most Asked

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Hibernate Interview Questions Q. What are the id generator classes in hibernate? A:   The optional  <generator>  child element...

Spring Interview Questions Answers - Mostly Asked 1

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Spring Interview Questions 1 Q. Explain DI or IOC pattern.   A:  Dependency injection (DI) is a programming design pattern an...

Excel to Wiki table converter

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Tab separated table - Excel / Google Sheet to Wiki table converter Input : Paste Tab-separated table data ( eg : row/column from Excel,...

Logging levels - meanings and use

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All the popular logging frameworks follow the similar convention and naming for log levels. There are five priority levels in use. Order (...

grails detecting environment - groovy & gsp code

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Grails/Groovy working code snippet to detect the current environment (development, test, production, or your  custom). Custom environment ar...

Grails - auto login in spring security

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Consider a typical web application where you have multiple user roles (like SUPER_ADMIN, OPERATOR, VISITOR etc ) and you need to do login an...

Groovy Grails - Dynamic Method n Variable name and invoking them

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Groovy allows to use dynamic method name and variable name and invoke/use them. Dynamic Variable Names Groovy allows to use variable na...