How to disable the default spring security in spring boot ?

How to disable the default spring security in spring boot ? To disable the spring boot’s default spring security / to disable the security for all the urls then include the below method in your custom security class which extends WebSecurityConfigurerAdapter Method to include: /* to permit all */ @Override protected void configure(HttpSecurity http) throws Exception { http.csrf().disable().authorizeRequests().anyRequest().permitAll(); } Full […]

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Bean validation in Spring Rest using @Valid

Bean validation in Spring Rest using @Valid: Bean validation is important to validate the input bean received in the spring restful requestbody. And also default error messages may not be properly understandable by our consumers, so validating the bean and responding the proper readable message to our consumers makes our spring restful webservice better.   How are we going to […]

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Entity to DTO using Model Mapper in Spring Restful Web services

Entity to DTO using Model Mapper in Spring Restful Web services: In spring restful webservices we can not directly expose our entity pojo classes as json responses as it has lot of issues like security/unwanted data’s exposure etc. Data Transfer Object (DTO) is a design pattern which actually resolves this issue. I am going to do these sample in spring […]

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Difference between @Inject and @Autowired

Difference between @Inject and @Autowired This is one of the important interview question of spring / spring boot framework interviews. Auto-wiring is the great feature we got to wire our application dependencies spring way, but it can be done by both JSR annotation and spring provided annotation. It is important to know the difference between these both to make use […]

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When does spring create instances to be injected ?

When does spring create instances to be injected ? This is one of the famous spring / spring boot framework interview question. Spring creates the instances to be injected during the start up. If you have configured spring beans with lazy-init attribute then spring creates the instances of those bean only when you inject/any of it’s dependencies injects it. By […]

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Reading ClassPath file in Spring Boot/Core Example

This below program reads the status.txt file from the classpath, that is src/main/resources in the maven projects using classpathloader in spring core/spring boot projects. Classpathloader converts it to inputstream, from inputstream we can convert to bufferedinputstream and read the file contents easily. File Structure: Here we have status.txt file inside the resources folder, and we have only the value 100 […]

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5 New Things you should know in Angular 5:

5 New Things you should know in Angular 5: Even though angular 5 announced as a major release, nothing affects the angular 4 applications and developers. Because majority of the things are modified behind the scenes (than HttpClient), we do not want to worry much about angular 5.     We knew angular 1 to angular 2 transformation, that is […]

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How to upgrade angular 4 to angular 5?

How to upgrade angular 4 to angular 5? In this article, we are going to see how to upgrade from angular 4 to angular 5.   Do remember, you will be able to see the angular core/http/common/router etc versions if you check only inside the angular projects. To Update Angular CLI:   The CLI can be updated by, Uninstalling old […]

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Angular 4 CLI + Angular Universal Setup Steps

Angular 4 CLI + Angular Universal Setup Steps: Angular universal is superb component for angular projects for server side rendering, which really resolves SEO related issues to the great extend. But setting up a angular universal will become little complex if you try after developing your complete applications. Because some of the component you used in your angular 4 project […]

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[Updated] Adding Angular Material 2 to Angular 4 CLI

Adding Angular Material 2 to Angular 4 CLI: Recently breaking changes has been made to angular material 2 as per this github link, so step to add angular material 2 to angular 4 cli is also changed. I have followed the new steps and it works fine without any issues. I have shared the step by step instruction below to […]

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