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CapeDwarf – Google App Engine on Java EE

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I have many hobbyhorses. Coming all the way from the early Java EE specifications and having done the “cloud” excursion with Java EE 7 I was curious to see what newly announced CapeDwarf project has in stock to bring Google’s Platform as a Service offering “Google App Engine” on premise. The Story so Far I did play around with App ...

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Guava 15 – New features

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A new version of the Guava library was released earlier this month and contains several new features and improvements. Here is an overview of some of the significant API additions in this release: 1. Escapers Escapers allow you to “escape” special characters in a string in order to make the string conform to a particular format. For example, in XML, ...

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Sending Email with Java and Akka actors

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Akka is a concurrent framework written by Scala. Here I demonstrate sample application to send emails with Akka and implemented in Java. Reasons I decided to use Akka framework other than concurrency. Built-in configurable supervisor strategy to monitor child workers and decide what policy applies when there is an exception. Can reschedule delivery when application throwing some specific exception. Use ...

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Salary Negotiation For Geeks

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Advice on salary negotiation is abundant, but material written for the general public may not always be applicable to a technology sector where demand is high and the most sought after talent is scarce.  There is quite a bit of misinformation and the glorified mythology of negotiation is often mistaken for the much less interesting reality where little negotiation actually ...

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Javaone 2013 Review

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tl;dr I attended Javaone again this year. It was fun. Sunday The conference kicked off on Sunday, with user group sessions and the main keynote. I was actually unable to attend those, since I was running a Java University training session on the new features in Java SE 7 & 8. This covered project coin, NIO 2 and Fork/Join framework ...

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Scala setup on Windows 7

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This article will be dedicated to installation of Scala on PC with Windows 7. In general, doesn’t metter which Windows you have. All steps you need to perform are approximately the same for all versions of Windows. In my previous post I have described how to install Scala on Mac OS. The first step you need to do is download ...

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Google account Integration in Android – Login with Gmail

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Hello Friends, This is my post for Google account integration with your application,  login with gmail, signup with Google account. Some important step is given below- Step 1- Create new project say GoogleProfileDemo. Step 2- Add “Google play service” libray project. Step 3 – Add needed permission in manifest.xml-     <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <uses-permission android:name="android.permission.GET_ACCOUNTS" /> ...

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Spring 4 Conditional

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Spring 4 is introducing a new feature called Conditional – an annotation targeted towards Spring components which generate beans and vetos the generation of these beans, in essence it provides a way to conditionally generate beans. Consider a simple example: I have a service called “CustomerService”, with two implementations of this service, say “CustomerService1” and “CustomerService2”. Based on the presence ...

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Ahoy There Callbacks!

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Because it’s my bag, I like JavaScript. In fact, I’ve grown to love JavaScritp’s asynchronous callback oriented style of programming. Consequently, when I find myself in a non-JavaScript environment, say, like Java, I tend to miss using callbacks. The good news is that you can emulate asynchronous callbacks in Java. In fact, I did just that recently with a library ...

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Android Header and Footer layout example

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In this article we are going to see how you can create a simple Android Layout that includes a header part, a footer part and the content area. It is relatively easy to do that in the Android platform. The important bit is to try to make your layouts reusable and independent from one another, so you can use it ...

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