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CrudRepository interface provides deleteById method to delete an employee by id. void deleteById(ID id) Deletes the entity with the ..read more
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CrudRepository interface provides ‘count’ method, it returns number of entities of given type. Example List<Employee> emps = ..read more
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CrudRepository interface provides findAllById() method, it takes collection of ids and return all the instances with given ids. Iterable ..read more
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Updating an entity is two-step process. a.   Get the entity b.   Update specific fields of the entity c.    Use save() ..read more
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CrudRepository interface provides 'findAll' method, it returns all the instances of given type. Iterable<T> findAll() Return all ..read more
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CrudRepository interface provides 'existsById' method, it is used to check whether an entity with given id exists or not. boolean ..read more
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CrudRepository interface provides 'findById' method, it is used to retrieve an entity by id. Optional<T> findById(ID id) Returns ..read more
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CrudRepository interface provides 'saveAll' method, it is used to save all the entities to database. <S extends T> Iterable<S ..read more
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If you provide only user name while accessing the secure API, HTTPie prompt you for the password. Syntax http -a {userName} { ..read more
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Use --output and --print options to send both response header and body to a file. Syntax http --output={fileName} --print=hb {URL} $ ..read more

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