About Adrian Matei

Adrian Matei (ama [AT] codingpedia DOT org) is the founder of Podcastpedia.org and Codingpedia.org, computer science engineer, husband, father, curious and passionate about science, computers, software, education, economics, social equity, philosophy.

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How to test a REST api from command line with curl

If you want to quickly test your REST api from the command line, you can use curl. In this post I will present how to execute GET, POST, PUT, HEAD, DELETE HTTP Requests against a REST ...
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How to compress responses in Java REST API with GZip and Jersey

There may be cases when your REST api provides responses that are very long, and we all know how important transfer speed and bandwidth still are on mobile devices/networks. I think ...
java-interview-questions-answers

How to build and clear a reference data cache with singleton EJBs, Ehcache and MBeans

In this post I will present how to build a simple reference data cache in Java EE, using singleton EJBs and Ehcache. The cache will reset itself after a given period of time, and can ...
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Custom Reason Phrase in HTTP status error message response with JAX-RS (Jersey)

In some of my recent work I got the request to produce a custom Reason Phrase in the  HTTP status response delivered to one of our REST API consuming clients when an error occurs. ...
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How to connect to MongoDB from a Java EE stateless application

In this post I will present how to connect to MongoDB from a stateless Java EE application, to take advantage of the built-in pool of connections to the database offered by the MongoDB ...
java-interview-questions-answers

How to build and clear a reference data cache with singleton EJBs and MBeans

In one of my projects I had a requirement to load reference data from several sources in a Java EE 6 WebLogic environment, with EclipseLink as ORM framework. Since I couldn’t find ...
spring-interview-questions-answers

Spring Batch Tutorial with Spring Boot and Java Configuration

I’ve been working on migrating some batch jobs for Podcastpedia.org to Spring Batch. Before, these jobs were developed in my own kind of way, and I thought it was high time to use ...
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How to use the new Apache Http Client to make a HEAD request

If you’ve updated your Apache HTTP Client code to use the newest library (at the time of this writing it is version 4.3.5 for the httpclient and version 4.3.2 for httpcore) from the ...
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Tutorial – REST API design and implementation in Java with Jersey and Spring

Looking to REST in Java? Then you’ve come to the right place, because in the blog post I will present you how to “beautifully” design a REST API and also, how to implement it ...
spring-interview-questions-answers

How to compose html emails in Java with Spring and Velocity

In this post I will present how you can format and send automatic emails with Spring and Velocity. Spring offers alone the capability to create simple text emails, which is fine for ...
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