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A New Source for MEAN Stack Resources

Mon, 2014-11-10 07:30
One of the most useful aspects of MongoDB is the MEAN stack - a JavaScript-only web development stack that consists of MongoDB, Express, AngularJS, and Node.js. It's a great way to get a full web application working with MongoDB (try this for a look at how to get started). Preview Text:  One of the most useful aspects of MongoDB is the MEAN stack...
Categories: Java

Book Review: Play Framework Essentials

Fri, 2014-10-31 08:00
This post is a review of Julien Richard-Foy's recently published Play Framework Essentials (Packt Publishing).Play Framework E Preview Text:  This post is a review of Julien Richard-Foy's recently published Play Framework Essentials (Packt Publishing). Legacy Sponsored:  ...
Categories: Java

MySQL 5.6 Full Text Search Throwdown: Webinar Q&A

Fri, 2014-10-31 08:00
Originally Written by Bill Karwin Yesterday (Oct. 22) I gave a presentation titled “MySQL 5.6 Full Text Search Throwdown.” If you missed it, you can still register to view the recording and my slides. Preview Text:  Yesterday (Oct. 22) I gave a presentation titled “MySQL 5.6 Full Text Search Throwdown.” If you missed it, you can still...
Categories: Java

Legacy Code to Testable Code #4: More Accessors!

Fri, 2014-10-31 08:00
This post is part of the “Legacy Code to Testable Code” series. In the series we’ll talk about making refactoring steps before writing tests for legacy code, and how they make our life easier. It continues the last post on accessors. Preview Text:  This post is part of the “Legacy Code to Testable Code” series. In the series we’ll...
Categories: Java

How to Setup Custom SSLSocketFactory's TrustManager per Each URL Connection

Fri, 2014-10-31 07:30
We can see from javadoc that javax.net.ssl.HttpsURLConnection provided a static method to override withsetDefaultSSLSocketFory() method. This allow you to supply a custom javax.net.ssl.TrustManagerthat may verify your own  CA certs handshake and validation etc. But this will override the default for all "https" URLs per your JVM! Preview Text:  ...
Categories: Java

Is Your Culture Working the Way You Think it Is?

Fri, 2014-10-31 07:30
Long ago, I was a project manager and senior engineer for a company undergoing a Change Transformation. You know the kind, where the culture changes, along with the process. The senior managers had bought into the changes. The middle managers were muddling through, implementing the changes as best they could. Us project managers and the technical staff, we were the ones doing the bulk of the...
Categories: Java

Swift & Metal: 1,000 Reaction Diffusion Solver Iterations per Second

Fri, 2014-10-31 07:30
Preview Text:  I've spend some time working on my iPad reaction diffusion simulation app written in Swift using Apple's Metal technology. As well as adding some more models: Gray-Scott and Belousov-Zhabotinsky, I've tweaked the code so that I'm getting around 1,000 solver iterations per second on an iPad Air 2. ...
Categories: Java

Aggregate in Mongo Using Only Date Part of a DateTime Property

Fri, 2014-10-31 07:30
If you need to do an aggregation in MongoDB on a DateTime property and you want to aggregate only by Date part, you can use a simple trick and use a filter to compose the date part before the grouping. Here is the code: Preview Text:  If you need to do an aggregation in MongoDb on a DateTime property and you want to aggregate only by Date part, you...
Categories: Java

How Docker is Changing Configuration Management

Fri, 2014-10-31 07:30
[This article was written by Uri Cohen.] With configuration management, there have always been two camps: Bake or Fry? Preview Text:  When it comes to traditional configuration management tools, Chef, Puppet and others, these usually fall into the fry camp. This approach involves dynamic configuration at deployment...
Categories: Java

Extending Scaling Opportunities within Multiple Middleware Stacks

Fri, 2014-10-31 07:01
With Jelastic PaaS, hosting of your applications becomes truly flexible. In addition to the automated vertical scaling, Jelastic also lets you increase/decrease the number of servers in your environment, if it is required for your application. Preview Text:  With Jelastic PaaS, hosting of your applications becomes truly flexible. In addition to the...
Categories: Java

Toro 0.7 Released

Fri, 2014-10-31 07:00
I've just released version 0.7 of Toro. Toro provides semaphores, locks, events, conditions, and queues for Tornado coroutines. It enables advanced coordination among coroutines, similar to what you do in a multithreaded application. Get the latest version with "pip install --upgrade toro". Toro'sdocumentation, with plenty of examples, is on ReadTheDocs. Preview Text:  ...
Categories: Java

New Sumo Robot Assembled, and Looking Good!

Fri, 2014-10-31 07:00
Finally, the new Sumo robot is assembled, and up and moving :-): Somo Robot Assembled The new design is much cleaner, and so far the new motor connector cables are looking good. As always, we had a few bumps: Preview Text:  Finally, the new Sumo robot is assembled, and up and moving. The new design is much cleaner, and so far the new motor...
Categories: Java

Architecting for Continuous Delivery: Microservices with Pivotal CF and Spring Cloud

Fri, 2014-10-31 07:00
Speaker: Matt Stine, Pivotal Slides: https://speakerdeck.com/mstine/architecting-for-continuous-delivery-microservices-with-pivotal-cf-and-spring-cloud Preview Text:  Microservices, Pivotal CF, and Spring Cloud combine to create an operationalized architecture that enables enterprises to continuously deliver value at scale through rapid, iterative...
Categories: Java

Actuate's Data Driven Summit to Showcase Embedded Analytics

Fri, 2014-10-31 07:00
Seven cities, dozens of stories and one central message: BIRT is best for building winning customer experiences. Preview Text:  Seven cities, dozens of stories and one central message: BIRT is best for building winning customer experiences. Legacy Sponsored:  unsponsored ...
Categories: Java

Spring Integration Error Handling with Router, ErrorChannel, and Transformer

Fri, 2014-10-31 07:00
In this article explained how errors are handled when using the messaging system with Spring Integration and how to handle route and redirect to specific channel.High Level Diagramspring-mockrunner.xml Preview Text:  In this article explained how errors are handled when using the messaging system with Spring Integration and how to handle route and...
Categories: Java

Neo4j: LOAD CSV - The Sneaky Null Character

Fri, 2014-10-31 07:00
I spent some time earlier in the week trying to import a CSV file extracted from Hadoop into Neo4j using Cypher’s LOAD CSV command and initially struggled due to some rogue characters. The CSV file looked like this: $ cat foo.csv foo,bar,baz 1,2,3 I wrote the following LOAD CSV query to extract some of the fields and compare others: Preview Text:  ...
Categories: Java

Adaptive Heap Sizing

Thu, 2014-10-30 08:00
While enhancing our test bed to improve the Plumbr GC problem detector,  I ended up writing  Preview Text:  While enhancing our test bed to improve the Plumbr GC problem detector, I ended up writing a small test case I thought might be interesting for the wider audience. Legacy Sponsored:  ...
Categories: Java

Modeling Exercise: The Grocery Store's Checkout Model

Thu, 2014-10-30 08:00
I went to the super market yesterday, and I forgot to get out of work mode, so here is this post. The grocery store checkout model exercise deals with the following scenario. You have a customer that is scanning products in a self-checkout lane, and you need to process the order. In terms of external environment, you have: ProductScanned ( ProductId: string ) event Complete Order...
Categories: Java

Five Things You Didn't Know About Eclipse Infocenter

Thu, 2014-10-30 08:00
Well, maybe you knew them already. Maybe you didn't. Either way, Holger Voormann has an interesting series on his blog, Eclipse Howl, about some nifty info regarding the Eclipse Infocenter. Here's a quick review: Preview Text:  Holger Voormann has an interesting series on his blog, Eclipse Howl, about some nifty info regarding the Eclipse...
Categories: Java

Building a REST API with JAXB, Spring Boot and Spring Data

Thu, 2014-10-30 08:00
If someone asked you to develop a REST API on the JVM, which frameworks would you use? I was recently tasked with such a project. My client asked me to implement a REST API to ingest requests from a 3rd party. The project entailed consuming XML requests, storing the data in a database, then exposing the data to internal application with a JSON endpoint. Preview Text:  ...
Categories: Java

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