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How to Keep REST API Credentials Secure


If you are building mobile apps then you are connecting to some REST API. For example, if you want to resolve an address to a latitude/longitude information to display on a map, you might use the Google Geocoding API: Francisco,CA&key=AIzaSyDvFMYGjeR02RH If you are invoking the API from the client, then the API key also has to be present on ...

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Batch Deployment in AWS Elastic Beanstalk


Zero downtime deployment — i.e., making sure your application can be deployed without negative impact to your customers — is something most of us strive for. It is a prerequisite for successful continuous delivery, so you’re able to deploy at any time and never fear pushing a new release. ElasticBeanstalk, the Platform as a Service component of AWS, has great ...

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Learning Spring-Cloud – Infrastructure and Configuration


I got a chance to play with Spring-Cloud to create a sample set of cloud ready microservices and I am very impressed by how Spring-Cloud enables different infrastructure components and services to work together nicely. I am used to creating microservices based on Netflix OSS based stack and typically in a Netflix stack Eureka is considered the hub using which ...

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GC tuning in practice


Tuning Garbage Collection is no different from any other performance-tuning activities. Instead of giving in to temptation for tweaking random parts of the application, you need to make sure you understand the current situation and the desired outcome. In general it is as easy as following the following process: State your performance goals Run tests Measure Compare to goals Make ...

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Copy-Paste Culture


At Agile Israel conference, I was recruited to a “Hit The Experts” panel on engineering practices. Ok, I didn’t put too much of a fight. Most of the questions were not of the engineering nature, though. One of the questions went like this: We’ve adapted the Spotify model, and now there’s no specialization, expectations from testers to write code, and ...

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10 team building tips


                        1. Good Morning When you enter in the office, before sitting on your desk, smile and say good morning to the team. Yes, E V E R Y day. 2. Listen when someone is talking to you. When a team member is talking to you, look him in ...

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30 Java Programming Tips and Best Practices for Beginners


Java is one of the most popular programming languages – be it Win applications, Web Applications, Mobile, Network, consumer electronic goods, set top box devices, Java is everywhere. More than 3 Billion devices run on Java. According to Oracle, 5 billion Java Cards are in use. More than 9 Million developers choose to write their code in Java and it ...

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Monolithic to Microservices Refactoring for Java EE Applications


Have you ever wondered what does it take to refactor an existing Java EE monolithic application to a microservices-based one? This blog explains how a trivial shopping cart example was converted to microservices-based application, and what are some of the concerns around it. The complete code base for monolithic and microservices-based application is at: Read on for full glory! Java ...

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JavaEE or Spring? Neither! We Call Out For a Fresh Competitor!


If you’ve been following some key Java people on Twitter or reading the “news” on Reddit, you could not have missed the hilarious “bitch fight” (pardon my French) between some Spring and JavaEE evangelists. First, Jürgen Höller’s provocative article: “Happy second birthday, Java EE 7! How is it going in production?” Then, Reza Rahman’s response: “The Ghosts of Java EE ...

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