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Using Maven to Integrate Flyway in an Existing Database – Part 2

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This is the second article of a two-part series on using Maven to integrate Flyway in an existing database. It addresses several key issues including using Maven profiles to manage promotion of migrations to hierarchical levels of a database as well as managing migrations across multiple disparate projects that use the same database. Unless you are an experienced Maven and Flyway user, it is suggested you review the first article of this series, Using Maven to Integrate Flyway in an…

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Using Maven to Integrate Flyway in an Existing Database – Part 1

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I was recently asked by a client to investigate database versioning / migration tools. Having had previous experience with Rails db Rake tasks and Liquibase, both of which require a DSL, I looked for a more Java-friendly tool and found Flyway. One of the pre-requisites was to be able to integrate the tool with an existing database and SQL scripts to reduce the learning curve for application development personnel. We were also looking for a tool we could run with…

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Chariot Day: Then and Now

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New and Cool AJAX, DWR and Spring Intro to JPA Spring and Groovy Intro to Ruby Selenium Web Testing Firebug: Web Debugging Evolved Spring Webflow Django as a Second Language Intro to Maven Google AppEngine: A Simple App Introduction to Asynchronous Servlets Introduction to Spring Batch Apache Camel Intro to Lift Grails Is, Knows, and Can Intro to jQuery/jQuery Beyond Basics Intro to OSGi Spring Roo Akka 2012: Real-Time Web Applications 2012: Griffon: Groovy Desktop Apps 2012: Scala: Definitely Not…

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Scalathon update – attend discounted training from Chariot Solutions, Typesafe, around the event!

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Preparation for Scalathon 2012 is well underway. In addition to the coding and social attractions of last year’s successful event, this year’s Scalathon provides opportunities for Scala training. Typesafe and Chariot Solutions are offering three Scala training classes, in conjunction with Scalathon. Even better, Scalathon attendees are eligible for substantial discounts on the training fees. The week prior to Scalathon, we are offering the Fast Track to Scala course, probably the best way to dive head-first into Scala. This will…

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Read and Write NFC Tags with PhoneGap

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The phonegap-nfc plugin allows you to read and write NFC tags from a PhoneGap application using JavaScript. The plugin originally supported Android. The latest release adds support for Blackberry 7.0. After installing the plugin into your PhoneGap app (See README) it is easy to start scanning tags. Create a function that will handle the NFC events. function onNfc(nfcEvent) { // display the tag as JSON alert(JSON.stringify(nfcEvent.tag)); } Create the optional success and failure callbacks. These callbacks are for success and…

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Testing Spring Roo add-ons

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This is a combination of a two-part article on Spring Roo and Testing I originally posted on rimple.com, where I write about Spring Roo topics periodically around my book, Spring Roo in Action., co-authored with InfoQ’s Srini Penchikala.. You may find more information about writing Roo add-ons from my recent ETE / Richmond JUG presentation, Leaping Forward with Roo add-ons. How to test Roo add-ons I’m working on updates to several Roo add-ons, which I am going to be pushing…

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Camera Access from Android Browser

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The browser in Android 4 is able to take pictures from a web page and display them without any plugins or server interaction. This demo uses the Device API and File API to take and display a picture on a phone using the browser. Try it on your Android phone http://don.github.com/html-cam/. I wrote this demo after reading David Calhoun’s post about Android implementing device APIs. This works on my Google Nexus S running Ice Cream Sandwich (4.0.4). The Device API…

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Securing Data in iOS

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There are numerous ways to secure data that you are storing on an iOS device. The Simple/Built-in Way The simplest way is to take advantage of the iOS Data Protection (iOS 4+). This can be accomplished by setting an attribute on a file like this: [[NSFileManager defaultManager] createFileAtPath:[self filePath] contents:[@”super secret file contents” dataUsingEncoding:NSUTF8StringEncoding] attributes:[NSDictionary dictionaryWithObject:NSFileProtectionComplete forKey:NSFileProtectionKey]]; There are several different levels of file protection. The following was taken from the NSFileManager class reference from Apple: NSFileProtectionNone – no file…

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Notes from the Phorum – Cloud means something a little different to everyone

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Enterprise Enterprise users get dinged for cloud-washing: buying VMware and saying they’re running a cloud.  But many of them do want to offer a “private cloud”.  Some of the differences?  Automation, standard cloud “machine” configurations, self-service provisioning, a single cloud for all business units, calculating runtime costs and charging projects for them.  Some of the obstacles?  Lack of automation in existing processes, trying to bring complex legacy applications on board, trying to migrate existing staff and tools “to the cloud”. …

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