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JavaOne 2013 Vicariously

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I was disappointed that I was not able to attend JavaOne 2013, but was happy to see numerous useful posts covering this annual conference. In this post, I link to many of these resources and provide a brief summary of what each post discusses in relation to JavaOne 2013. Keynotes The keynotes are where the “big announcements” tend to occur. ...

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Creating deployment plans with Oracle WebLogic

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Creating deployment plans Deployment plans are part of the JSR-88 deployment standard, although not explicitly stated in this standard. A deployment plan is an XML document that defines a custom WebLogic Server deployment environment. This configuration can be used to override the specific settings defined into the application archive. There are many reasons why you may not want to modify ...

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Swagger: make developers love working with your REST API

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As JAX-RS API is evolving, with version 2.0 released earlier this year under JSR-339 umbrella, it’s becoming even more easy to create REST services using excellent Java platform. But with great simplicity comes great responsibility: documenting all these APIs so other developers could quickly understand how to use them. Unfortunately, in this area developers are on their own: the JSR-339 ...

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Travel Report: JavaOne 2013 – Back To Glory

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I’m back since a few days already and needed to catch up with all the things which had been on hold for the last couple of days. It was the busiest time of the year for me. A complete week of JavaOne and OpenWorld in San Francisco. A very brief travel report. Annual ACED Briefing Many of you know that ...

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XML Security with Digital Signature in JAVA

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Introduction As you know XML plays a major role in our product or project development and from an XML document we gather lot of information and also we can perform CRUD operations with XML files. But it is a matter of concern as to how we can ensure that the data available in an XML file are authentic and data ...

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Creating Password-Based Encryption Keys

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This article discusses creating password-based encryption PBE keys. First a reminder of earlier points – as a rule you should, when practical, use the PBE key as a master key that is used solely to unlock a working key. This has three major benefits: You can have multiple passwords, e.g., an escrowed recovery key, You can change your password without ...

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A Few Thoughts About Method Implementation

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In chapter 17 of “Clean Code” by Robert C. Martin, the author describes the idea of “code smells,” practices in development that, while they don’t explicitly violate any standards (whether unwritten or not), they leave behind a “stench” of inexperience or lack of discipline. I like this idea; it seems to me that I encounter these “code smells” fairly often ...

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Send Email with Attachment in Android

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This is a simple demo for send email in Android with attachment. For attachment I am using Intent.ACTION_GET_CONTENT. Don’t forget to add permissions in your manifest.xml-               <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_INTERNAL_STORAGE" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> 1)MainActivity.java package com.manish.sendemaildemo; import android.app.Activity; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.provider.MediaStore; import ...

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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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