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Almost named method arguments in JDK 8

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Sometimes it would be really nice to have named method parameter in Java, this doesn’t look likely for a long while but there is always another little work around, for example using a builder pattern to get similar behaviour, that will bridge the gap for a little bit. It occurred to me that using the Lambda support in JDK 8 ...

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Android Notification with Sound and Icon Tutorial

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My app needed a simple Android notification with sound and icon. So here’s the code I used to make that happen. I know that there are many other types of notification in Android, but this time, I just want to show you a very simple code that can be a solution to your problem too! I will probably create a ...

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Which memory is faster Heap or ByteBuffer or Direct ?

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Java is becoming new C/C++ , it is extensively used in developing High Performance System. Good for millions of Java developer like me! In this blog i will share my experiment with different types of memory allocation that can be done in java and what type of benefit you get with that. Memory Allocation In Java What type of support ...

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The Dark Side of Best Practices

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Best practices are the backbone of software development (or so we are told). Every developer has his own opinions about software development processes, architecture, and programming. These opinions are based on education, personal experiences, and the experiences of other software developers. These opinions are also known as best practices, and every software company has them. Are best practices a good ...

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Understanding the OutOfMemoryError

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Whenever you find yourself staring a stacktrace with OutOfMemoryError in it, it should all be crystal clear. The program has got no more elbow room and is dying just because of lack of it. From the 10,000 feet or executive chair this might already contain too much information. But those of you who have to build or maintain the applications ...

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Grails – GORM Tutorial

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Grails is known as domain driven language that means we can build application using bottom to top approach which is more nearer to object oriented programming. GORM (Grail Object Relational Mapping) uses intern Hibernate to map the domain with table which gives life to Domain modeling. If we combined everything just only based on domain we could build the whole ...

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Spring Data REST in Action

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What is spring-data-rest? spring-data-rest, a recent addition to the spring-data project, is a framework that helps you expose your entities directly as RESTful webservice endpoints. Unlike rails, grails or roo it does not generate any code achieving this goal. spring data-rest supports JPA, MongoDB, JSR-303 validation, HAL and many more. It is really innovative and lets you setup your RESTful ...

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Android Custom Loader to Load Data Directly from SQLite Database

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Today we’ll discuss about custom loaders in Android. Loaders have been introduced from Android 3.0 but we can also use loaders in prior versions of Android starting from Android 1.6 with the help of Android compatibility library. In this tutorial we won’t discuss the basics of loader which is vastly available in the Internet. A very good tutorial on loaders ...

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An argument against defaulting to auto-increment primary keys

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The de-facto “easy” primary key for ages has been the auto-incrementing integer. Upon insertion of a new record, the database simply increments a counter for the table and uses the new value for the primary key of the inserted row. It’s simple to setup, requires no maintenance, and guarantees a predictable key. For my own purposes, I was under the ...

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SOA and REST with Grails

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I discussed on my previous article about REST and how to leverage RESTful web services on Grails platform. We will further discuss Grails on SOA & REST and try to visualize architecture in details. REST and SOA are different architecture pattern with lots of commonality to make application highly interoperable. As per Thomas Erl SOA is “SOA is a term ...

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