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Couchbase Docker Container on Amazon ECS

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This blog will explain how to run a Couchbase Docker container using Amazon EC2 Container Service (Amazon ECS). Many thanks to @moviolone for helping understand the concepts and getting this setup running. What is Amazon ECS? Amazon ECS is a container management service that makes it easy to run, stop, and manage Docker containers on a cluster of Amazon EC2 instances. Amazon ...

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Build a Java Web App Quickly With Java Servlet, JSP Tags and Stormpath

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Building Identity Management, including authentication and authorization? Try Stormpath! Our REST API and robust Java SDK support can eliminate your security risk and can be implemented in minutes. Sign up, and never build auth again! We just released a major upgrade of our Java SDK, which now includes Java Webapp (Servlet 3.0+) support with a ton of user automation. Just ...

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Message Level Authorization in Apache ActiveMQ

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While the last post covered Broker Level Authentication, this blogpost is about more strict authorization on message level. I didn’t have this fine granular authorization out there in real life projects, but I want to do it myself and give readers a tutorial to widen their knowledge about security in ActiveMQ and ease their beginning with it. Sometimes it can be ...

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How to remove duplicate rows from a table in SQL

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There are a couple of ways to remove duplicate rows from a table in SQL e.g. you can use a temp tables or a window function like row_number() to generate artificial ranking and remove the duplicates. By using a temp table, you can first copy all unique records into a temp table and then delete all data from the original table ...

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How To Import Any JBoss BRMS Example Project

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This tips & tricks comes to you after I have been asked the following repeatedly over the last few weeks by users of the JBoss BRMS demos: “How can I import the projects associated with the various JBoss BRMS demo projects into my own existing installation?” What this means is that users want to have an example project in their ...

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Using cost of delay to determine schedule

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“When does the business need it?” is far more important than “When will the developers have it ready?”. Business needs should drive schedules, engineers need to create solutions which fit within business schedules. That does not mean cutting corners, it does not mean shipping with bugs or technical debt. Its the art of the possible and its what engineers have ...

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Goldilocks Microservices

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How to structure microservices? When structuring microservices we have to consider; how fine grain should our components be? how distributed should they be? I believe it’s important to treat these as separate concerns, even to the extent of ensuring your business logic components are not dependant on the choice of transport, or even whether you have a transport at all. ...

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Spring Cloud Zuul – Writing a Filter

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Netflix OSS project Zuul serves as a gateway to backend services and provides support for adding in edge features like security, routing. In the Zuul world specific edge features are provided by components called the Zuul Filter and writing such a filter for a Spring Cloud based project is very simple. A good reference to adding a filter is here. Here I ...

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