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Education

Introduction Configuration of an actor system affects the way in which the Akka actor libraries and microkernel interact with actors. The visibility of a configuration is limited to the specific actor system with which the configuration has been associated. The effective configuration for any given actor system is a merger of three sources. In Fig. 1 below the precedence of...
on Oct 30, 2013
Introduction This week I am presenting a coding of a simple two actor application designed to show actor creation, message passing, and actor termination. This application is called the "Fortune Cookie Application". It is the next state of the art beyond the HelloWorld program. Despite its simplicity this application shows the elements that every actor application uses. What We Will Be...
on Oct 22, 2013

J2SE

Much of what you do in Java is to define classes that package data and functionality together by concept to represent the desired problem-space element. When you instantiate a class, you create an object that has it's own piece of memory made up of other objects. Java has a peculiar means of manipulating these elements in memory. This is to say even though you treat everything as an object, you...
on Oct 25, 2013

Extreme Programming

Have you experienced Scrum? "agile" development? I have.
on Oct 17, 2013

Programming

Exciting information technologies emerge from new discoveries and re-emerge from past discoveries at a rapid rate. Despite the glamor and curiosity appeal engendered by cutting edge technologies when they debut, after the hype fades and we look at what actually is there in the cold light of reason we find ourselves turning to our pragmatic side and asking: “Ok, but what advantages do we...
on Oct 15, 2013

GUI

#How to run the dev test cases ================================ #Annotation: All of the test cases can't be ran on the windows platform because the firefox can't support the ajax and JSF based on the windows platform very well. If you want to ran the tests, please check out all of the codes to the linux, ubuntu or mac platform. #Steps: 1). Download the firefox and install it, On my platform, I...
on Oct 14, 2013
Visual Library is a library in NetBeans, which you can use in standalone Java apps, for doing beautiful, complex, animated layouts. JUNG is a library for exploring graphs of connected data. What if we put those two things together? That's what I did. The result is on GitHub. Video demo and more info over on my timboudreau.com blog.
on Sep 4, 2013

Blogging

MEAP (Manning Early Access Program) grants a reader early access to the book, chapter by chapter, as soon as they become available. By subscribing to MEAP chapters, you get an opportunity to participate in the most sensitive, final piece of the publishing cycle by offering feedback to the author. Reader feedback to the author is welcome in the Author Online forums. After all chapters are...
on Oct 8, 2013
Save 45% on these MEAP (Manning Early Access Program) updates: Solr in Action, Ember.js in Action, and Node.js in Practice with Promotional code 100513jn at manning.com. “Query suggestions," "Solr Cloud," and "Working with the Solr code-base" are new to Solr in Action by Trey Grainger and Timothy Potter. Chapters 1-9, 11,12, and 14 have been updated with revised material and the following items...
on Oct 5, 2013
Save 45% on BDD in Action, SBT in Action, Gradle in Action , Scalatra in Action , and Responsive WordPress with code ml092013jn at manning.com. BDD in Action by John Ferguson Smart What's new? Chapter 5, “From examples to executable specifications” Chapter 5 looks at turning the features and user stories generated through the requirements analysis phase of development into executable scenarios...
on Sep 20, 2013
This week at manning.com the following books have been updated + 45% off with code ml091313jn at manning.com. Practical Data Science with R by Nina Zumel and John Mountis. Chapter 5, "Choosing and Evaluating Models" Some business problems you might face as a data scientists are increasing look-to-buy ratios, identifying fraudulent transactions, or predicting and managing the losses of a loan...
on Sep 12, 2013
"Geocoding and Reverse Geocoding with TIGER Geocoder" is new to PostGIS in Action, Second Edition by Regina O. Obe and Leo S. Hsu. What's new? The tiger geocoder is a suite of SLQ functions packaged with PostGIS 2.0+ that utilizes Topologically Integrated Geographic Encoding and Referencing (TIGER) U.S. Census data. Chapter 8 shows you how to standardize addresses for geocoding preparation, load...
on Sep 9, 2013
Authentication through a third-party authentication system - Mozilla Persona from is new to Ember.js in Action Ember.js in Action by Joachim Haagen Skeie in MEAP added Chapter 9 and Chapters 1,2, and 6 have been updated with recently released Ember 1.0.0. What's new? •Chapter 9, "Authentication through a third-party authentication system - Mozilla Persona," has been added. •Chapters 1 and 2 and...
on Sep 6, 2013
The Joy of Clojure, Second Edition by Michael Fogus and Chris Houser has 4 new chapters! Save 45% with Promo code mlfogus2jn at manning.com. What's new? The authors have released the following chapters: •Chapter 14, "Data-oriented programming" •Chapter 15, "Performance" •Chapter 16, "Thinking programs" •Chapter 17, "Clojure changes the way you think" We have four new chapters for you. Chapter...
on Sep 3, 2013

J2EE

I will be presenting the following sessions at Silicon Valley Code Camp 2013. For those in the Bay Area, Silicon Valley Code Camp is on Oct 5,6 2013 in Foothill College, Los Altos. It is a very well organized conference by the developers for the developers. This year has 232 sessions and 4500 registrations and am always amazed at the way Peter Kellner and his team pull this off! These are my...
on Oct 2, 2013
According to research, most complex report development work can be simplified by performing the data source computation in advance. For example, find out the clients who bought all products in the given list, and then present the details of these clients. In developing such reports, it is the “computation” part and not the “presentation” part that brings about major difficulties. In which stage...
on Sep 11, 2013

JavaOne

2013-09-25 Table of Contents 8:30am - nuvos: the Universal SDK case-study backend frontend features 10:00am - OAuth 2.0 : A Standard is Coming of Age 11:30am - Java Flight Recorder Behind the Scenes Last Modified : 2013 Sep 26 (Thu) 16:25:00 by carr. Wednesday, Sep 25, 2013 8:30am - nuvos: the Universal SDK Kevin McCarthy - President / CEO, IntraMeta This presentation is...
on Sep 26, 2013
2013-09-24 Table of Contents 8:30am - Functional Reactive Programming with RxJava 10:00am - The JVM is dead! Long live the Polyglot VM! 1pm - invokedynamic in 45 minutes java.lang.invoke bytecode your turn 3pm - Wholly Graal - Java on GPU graal overview GPU offload 5:30pm - Experimenting with the Boundaries of Static Typing 7:30pm - Developing Small Languages with Scala Parser...
on Sep 24, 2013
2013-09-23 Table of Contents 10:00am - Looking into the JVM Crystal Ball JDK 7 JDK 8 Removing Permanent Generation (JEP 122) Tiered Compilation Memory Footprint JVM Future Cloud Manageability and Observability Multi-Language Scalability JVM Components Compiler GC Runtime Serviceability Misc Participate 11:30am - Purely Functional Data Structures Mutability 1pm - Performance...
on Sep 24, 2013

Web Services and XML

Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface. JAX-RS provides a standardized API for building RESTful web services in Java. This example will show how to...
on Sep 16, 2013