Tag Archives: uml

Links for May 25th through May 26th

Posted on May 26, 2012 by Vinny

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• InfoQ: Using DRY: Between Code Duplication and High-Coupling – DRY is an important principle, but abusing it can generate problems such as increased coupling and reduced readability. The lesson here is that no matter how great a principle is, it should not be used disregarding other good programming practices.
• Three Laws of Good Software Architecture | Javalobby – The issue with architectural decisions is that they effect the whole system and/or you often need to make them early in the development process. It means a lot effort if you change that decision a couple of months later. From an economic standpoint architectural decisions are often irrevocable. Good architecture is one that allows an architect to make late decisions without superior effect on efforts and costs. Let's put that on record.
• OutOfMemoryError: Java heap space – Analysis and resolution approach – Java Code Geeks – java.lang.OutOfMemoryError: Java heap problem is one of the most complex problems you can face when supporting or developing complex Java EE applications. This short article will provide you with a description of this JVM HotSpot OutOfMemoryError error message and how you should attack this problem until its resolution.
• Bottle: Python Web Framework – A fast, simple and lightweight WSGI micro web-framework for Python. – Bottle is a fast, simple and lightweight WSGI micro web-framework for Python.
• Thymeleaf: java XML/XHTML/HTML5 template engine – Thymeleaf is an XML/XHTML/HTML5 template engine for Java aimed at creating elegant web code while adding powerful features and retaining prototyping abilities
• Simple Offline Data Synchronization for Mobile Web and PhoneGap Applications – In this article, I describe a simple data synchronization strategy that uses the device’s (or browser’s) SQLite database. The implementation currently leverages the Web SQL API (even though the W3C is no longer actively maintaining the spec) because both iOS and Android support it, but they don’t support IndexedDB, the official alternative
• InfoQ: Andrew Watson On The State of OMG, UML, CORBA, DDS – Andrew Watson talks about the work of the OMG, where CORBA is alive and well (hint: in your car), UML and UML Profiles vs. custom Modeling languages, DDS and other middleware, and much more.
• InfoQ: Cloud Foundry: Design and Architecture – Derek Collison discusses the goals, the design premises and patterns employed in creating the architecture of Cloud Foundry, VMware’s open source PaaS, unveiling internal architectural details.
• Discover Music with Sencha Touch 2! | Blog | Sencha – Today, we are excited to announce the launch of another fine Sencha Touch 2.0 example application, Discover Music, which was designed and created by Modus Create, a Sencha partner.

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Links for November 2nd

Posted on November 3, 2011 by Vinny

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• Cisco Gen-Y study: Mobile devices valued more than higher salaries | ZDNet – New research reveals that Generation Y employees prefer device freedom over higher pay, and they would rather lose their wallets than their smartphones.
• Yahoo! Announces Cocktails – Shaken, Not Stirred · YDN Blog – “Cocktails” is a mix of HTML5, Node.JS, CSS3, JavaScript and a lot of ingenuous, creative mind-bending tricks from Yahoo!’s engineers. Today, we are announcing two Cocktails: Yahoo!’s Mojito, an environment-agnostic JavaScript web application framework, and Yahoo! Manhattan, a hosted platform for Mojito-based applications.
• Are you ready for the era of ‘big data’? – McKinsey Quarterly – Strategy – Innovation – Through investments and forward-looking policies, company leaders and their counterparts in government can capitalize on big data instead of being blindsided by it.
• Amazon, the Company That Ate the World – BusinessWeek – Jeff Bezos' new tablet, the Kindle Fire, is cheap, pretty, and puts Amazon in perfect position to take a bite out of Apple—and every online transaction you make
• InfoQ: Interview and Book Review: Documenting Software Architectures: Views and Beyond, 2nd Edition – InfoQ spoke with Paulo Merson, co-author of the book on software architecture documentation concept and how it can be used to model the architecture to help with the design and development of software applications.
• zeroclipboard – Provides "Copy to Clipboard" functionality for your web site using JavaScript and Flash – The Zero Clipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie, and a JavaScript interface. The "Zero" signifies that the library is invisible and the user interface is left entirely up to you.

Daily del.icio.us for November 9th through November 13th

Posted on November 13, 2008 by Vinny

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• Software Creation Mystery » The Elements of Pragmatic Programming Style. Intention. – The Elements of Pragmatic Programming Style is the collection of rules for pragmatic programmers. This collection doesn’t pretend to be comprehensive guide how to program. Rather it concentrates on fundamentals: how any programmer can build better software for the customer
• Design Patterns | Object Oriented Design –
• RIA Cowboy Videos – Lightstreamer – Data Streaming for Flex | James Ward – RIA Cowboy – While at AjaxWorld 2008 I had the chance to record another episode of the “RIA Cowboy Videos”. This time I talk with Lightstreamer about their AS3 / Flex APIs for streaming data to the client
• Announcing FlexServerLib, The BlazeDS Extension Project | Andrew Powell’s Flex, Java, ColdFusion, and AJAX Blog – FlexServerLib is an open-source project that aims to extend BlazeDS with custom message adapters, endpoints, and services. We will provide, in addition to each piece of server-side functionality, a corresponding SWC to implement the service on the Flex client.
• Artima Developer Spotlight Forum – Dmitry Jemerov on IntelliJ IDEA 8 and RubyMine – JetBrains released the latest major version of IDEA, it's multi-language development environment. In this interview with Artima, JetBrains architect Dmitry Jemerov talks about the most significant IDEA 8 features, including improved core Java support and support for multiple languages. He also discusses JetBrains' new Ruby IDE
• IntelliJ IDEA 8.0 Adds Flex Support | James Ward – RIA Cowboy – IntelliJ IDEA 8.0, the popular Java IDE, has been released and now supports building and debugging Flex applications. This is great validation of Flex’s momentum in the Java community
• java.think(): 8 Reasons You Should Be Using Terracotta, not Oracle Coherence – Unlike Coherence, Terracotta is not based on Java serialization. This fundamental algorithmic difference gives Terracotta superior performance. What's more, as the size of the data set grows, the performance you get from Terracotta remains constant. Compare that to Oracle Coherence – as the size of the data you put into the cache grows, so does the work it has to do to keep the data synchronized. The result is a significant drop in operations/sec.
• 12 Principles For Keeping Your Code Clean | CSS | Smashing Magazine – Let’s take a look at some poorly written HTML, discuss its problems, and then whip it into shape! Bear in mind, we are not passing any judgment on the content or design of this page, only the markup that builds it.
• Is Scala or Clojure poised for stardom? – Is Scala, which was designed only a short while ago (comparatively speaking, that is) poised for stardom? Or will Clojure achieve greatness instead?
• Java Concurrency Synchronizers « PODIDEA – Successful Intelligence – We all know that Java supports synchronization since day one through the synchronized keyword, but the limitation is that this mechanism works at the block level and is limited to a single thread at a time. A number of new mechanisms were introduced. Among them are semaphore, barrier, latch and exchanger.
• Ajaxian » Ext JS 3.0 Roadmap and Developer Tool – Jack Slocum has posted a screencast of the visual designer tool that will be part of upcoming release of Ext.
• Fix Unresponsive or Frozen Linux Computers using Shortcuts | MakeUseOf.com – Linux systems are known for their stable operation, designed to be operational without reboot for years. However if you still manage to pull a string and freeze up your computer there are quite a few ways to get the system back to work.
• Obama’s CTO: Watch out for the turf wars | Outside the Lines – CNET News – Obama will appoint the nation's first Chief Technology Officer (CTO) to ensure that our government and all its agencies have the right infrastructure, policies and services for the 21st century. The CTO will ensure the safety of our networks and will lead an interagency effort, working with chief technology and chief information officers of each of the federal agencies, to ensure that they use best-in-class technologies and share best practices.

Daily del.icio.us for August 28th through September 1st

Posted on September 1, 2008 by Vinny

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• Generation 5 » Stop Catching Exceptions! – A strategy that (i) uses finally as the first resort for containing corrupting and maintaining invariants, (ii) uses catch locally when the exceptions thrown in an area are completely understood, and (iii) surrounds independent units of work with try-catch blocks is an effective basis for using exceptions
• Reverse-engineer Source Code into UML Diagrams | Javalobby – Now that we have UML diagram integrated within our build file, and also our CI job, we can ensure that our code base and the UML diagrams are always in sync. We saw how to include these ant targets in our commit builds or nightly builds of our CI jobs, and also published these artifacts as part of our post build process.
• The Way I Think | Good Bye FireBug. Hello Developer Tools. – If you’re a web developer and you've ever worked on the client side then you've almost certainly used the incredible Firebug. If you work regularly in IE you may have also used the fantastic IE web tool bar. However, IE8 is the first browser to actually build one of these clever little add-ons right into the browser.
• InfoQ: Fowler: Agile Vs. Lean Misses the Point – Many of the people who developed the current crop of agile methodologies were strongly influenced by lean manufacturing and the ideas behind it. This can be seen in the many commonalities between lean and agile, including: People centric approach, Empowered teams, Adaptive planning, Continuous improvement
• Google Web Toolkit Blog: GWT 1.5 Now Available – We're happy to announce that GWT 1.5 is now officially released and available for download. GWT 1.5 delivers what we think are an impressive number of improvements, about four hundred issues if you're counting. We're also happy that one of those is issue 168, our most-requested feature, "Support for Java 5".
• The Inquisitive Coder – Davy Brion’s Blog » Blog Archive » Recommended Books: Clean Code – This week i read Robert C. Martin’s Clean Code book. With so many great books already available about writing good code, the first question i asked myself was: do we really need another one? The answer turns out to be YES!
• Java Reflection – Dynamic Proxies – Using Java Reflection you create dynamic implementations of interfaces at runtime. You do so using the class java.lang.reflect.Proxy. Dynamic proxies can be used for many different purposes, e.g. database connection and transaction management, dynamic mock objects for unit testing, and other AOP-like method intercepting purposes
• Direct access 300 times faster in Java? at Stephans Blog – So for the last years people use more often composition not inheritance with Composite Oriented Programming being the extreme
• Reading the Web – Ideas Blog – NYTimes.com – “Ideas” is a daily blog by Tom Kuntz and other editors of the Week in Review featuring brief posts on interesting articles and other stuff we've come across lately on the Web, in print and elsewhere. We’re generalists, so think of this as a grazing buffet for omnivores. Equally important, “Ideas” is a conversation, so please post your comments and e-mail us your suggestions.
• Google Chrome, Google’s Browser Project – Google Chrome is Google’s open source browser project. As rumored before under the name of Google Browser, this will be based on the existing rendering engine Webkit. Furthermore, it will include Google’s Gears project.
• Linux jumps to 13.4 percent of the stalling server market | The Open Road – The Business and Politics of Open Source by Matt Asay – CNET News – According to a recent IDC report highlighted by ZDNet, Linux is booming. At just 9.4 percent of the overall server market in terms of revenue in 2007, Linux has now climbed to 13.4 percent of the overall server market, with Unix at 7.7 percent and Windows at 36.5 percent.
• A U.S.B. Cable for Splitting Screens and Sharing Files Between Two Computers – NYTimes.com – That’s why Iogear’s new U.S.B. Laptop K.V.M. Switch ($130) is so interesting. One double-ended cable connects two Windows PCs or laptops together (a Mac version should be available soon). Then, you can use one PC to control the other and even drag files and folders between the machines.
• Real Time Economics : Will India Be Tortoise to China’s Hare? – The startling growth in China and India has been the global economic story of the last decade. So far, the Chinese gains have been stronger, but new research argues that India may come out on top in the long run
• 1,000 Essential Recordings You Must Hear : NPR Music – 1,000 Recordings to Hear Before You Die: A Listener's Life List covers all genres of music in its more than 900 pages. It's driven by the notion that "the more you love music, the more music you love."

Daily del.icio.us for May 12th through May 16th

Posted on May 16, 2008 by Vinny

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• James Clark’s Random Thoughts: XML and JSON – I would like to offer a few thoughts about XML and JSON. My previous post came off much too dismissive of JSON. I actually think that JSON does have real value
• 13 reasons for UML’s descent into darkness | Little Tutorials – UML lost the programmers. There is no doubt about it… in my mind. This happened because UML was pushed in a direction that most code writers don’t like: it started to look a lot like bureaucratic paper work
• Guitar Tutorials Rocket Up iTunes Podcast Charts | Listening Post from Wired.com – Modern guitarists have a new option when it comes to learning their instrument. Chord books and music lessons still sell, but for visual learners, the best option is probably the video tutorial. There are several online options, but we really like iVideos
• Sun is bleeding; More engineers leave as JavaFX is pimped on Dion Almaer’s Blog – Well, more heavy hitting engineers are leaving. When the CTO of the client division moves on (to Adobe again, no less), we yet again have a reason to wonder what is happening at Sun.
• davber does IT » Groovy: Java++ by being Java– – Groovy is actually not a brand new language, but rather an extension of Java. The difference between this extension and that of, say C++ over C is that Groovy extends Java by simplifying constructs, ridding the developer of much of the repetitive rituals
• 12 Signs That The Recession Has Hit The Internet | command line idiot – The United States economy is in a funk. Food prices are up, oil is through the roof, real estate has collapsed, and credit is becoming scarce. Here are 12 signs to look for when the recession hits the Internet:
• Clearskys.net Blog » Blog Archive » Introducing StayPress – StayPress is a collection of plugins that will turn a standard vanilla installation of WordPress or WordPress MU into a property management and bookings system
• Ext JS – Using the standard Panel title config to organize Ext JS form fields – Yesterday while working on our internal support system I had a desire to organize the fields on a form a little better. I didn’t want to use a FieldSet and add full wrapping or another layer of indention in my form code so I decided to give the standard
• Real World Haskell – Haskell is most likely quite different from any language you've ever used before. Compared to the usual set of concepts in a programmer's mental toolbox, functional programming offers us a profoundly different way to think about software
• ExtJS 2.1 and Java Demo – ExtJS Ajax Communication Best Practices – Ext JS Forums – I've been evaluating ExtJS 2.1 as the user interface for my client's next application. During my evaluation I've developed a demo (3 actually) that displays the powerful API of ExtJS

Daily del.icio.us for January 29th

Posted on January 29, 2008 by Vinny

• InfoQ: Does TDD Really Ensure Quality? – Our main result is that Test-First programmers write more tests per unit of programming effort. In turn, a higher number of tests lead to proportionally higher levels of productivity. Thus through a chain effect, Test-First appears to improve productivity
• InfoQ: “Can I call you back about that?” Building Asynchronous Services using Service Component Architecture – This article discusses the need for asynchronous services when you build an application using a service-oriented architecture. Building asynchronous services can get complicated, but is made straightforward using Service Component Architecture (SCA).
• InfoQ: Case Study: Applying Java Programming Skill to Flex – In an article published on Adobe Flex Developer Center, Bill Bejeck shares his experience creating components and enforcing separation of concerns with Flex, from a Java developer’s perspective.
• InfoQ: Kent Beck on Implementation Patterns – Kent Beck is interviewed about his new book, "Implementation patterns", the relationship between these patterns and XP, problems when adopting agile and the current status of design patterns.
• Enterprise Java Community: Introducing Apache Wicket – When you’re learning a new framework, it’s helpful to gain an understanding of the terms concepts, then move on to how the pieces come together. Wicket has a few core concepts to master, but once you understand them, you’ll find Wicket much more accessibl
• SpringSource Team Blog » Spring Overtakes EJB as a Skills Requirement – Job listings are a good indicator of the true adoption of technologies. Sometimes these trends can have dramatic implications. Indeed.com shows that in November, 2007, Spring overtook EJB as a skills requirement for Java job listings.
• InfoQ: Flex Load Testing Tool Available to Enterprise RIA application – As InfoQ reported (Forester report), RIA is proliferating in enterprise information workplaces. One of challenges faces a maturing development platform for developing mission critical systems is to produce quality, scalable and well tested applications.
• » Printable Design Patterns Quick Reference Cards – The Gang of Four design patterns have been elegantly distilled into a quick reference guide suitable for printing on 8.5 x 11.
• Merging and branching in Subversion 1.5 – Java World – Branching and merging are two inherently related functions that are due for a long-awaited upgrade in Subversion 1.5
• InfoQ: ExtJS Ecosystem Continues to Expand – New server-side tools are sprouting up around the ExtJS client-side Javascript framework. Community developed server-side support now exists for Java Enterprise Edition, Cold Fusion 8.0, Google Web Toolkit, and Ruby on Rails 2.0