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  • What Is A Software Architect&rsquo;s Job Today?

    - by Tim Murphy
    Originally posted on: http://geekswithblogs.net/tmurphy/archive/2013/10/25/what-is-a-software-architectrsquos-job-today.aspx It was 2001 when a project manager first put my job title as architect on a statement of work.  A lot has changed over the last twelve years.  The concepts around what an architect is has evolved.  In the early days I would have said that they just rebranded the role of the system analyst.  Now we have a multitude of architect titles: application, solution, IT, data, enterprise.  Whatever the title the goals are the same.  An architect takes the business needs and maps them to the solutions that are needed and at the same time works to ensure the quality of the solution and its maintainability. One of the problems I see these days is that we are expecting every developer to have architect skills.  That in itself is not a problem.  This reduces the need for dedicated architects.  Not every developer though is going to be able to step up to this level.  Some are just good at solving small problems instead of thinking in the larger abstract. Another problem is the accelerating speed and breadth of new technologies and products.  For an architect to be good at his job he needs to spend large amounts of personal time studying just to stay relevant. In the end I don’t think the main objectives of an architect has changed, just the level of commitment needed to stay of value to your company.  Renew your commitment to your profession and keep delivering great solutions. Technorati Tags: software architect,enterprise architect,data architect,solution architect,IT architect,PSC,PSC Group

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  • Trying to install apache 2.4.10 with openssl 1.0.1i

    - by AlexMA
    I need to install apache 2.4.10 using openssl 1.0.1i. I compiled openssl from source with: $ ./config \ --prefix=/opt/openssl-1.0.1e \ --openssldir=/opt/openssl-1.0.1e $ make $ sudo make install and apache with: ./configure --prefix=/etc/apache2 \ --enable-access_compat=shared \ --enable-actions=shared \ --enable-alias=shared \ --enable-allowmethods=shared \ --enable-auth_basic=shared \ --enable-authn_core=shared \ --enable-authn_file=shared \ --enable-authz_core=shared \ --enable-authz_groupfile=shared \ --enable-authz_host=shared \ --enable-authz_user=shared \ --enable-autoindex=shared \ --enable-dir=shared \ --enable-env=shared \ --enable-headers=shared \ --enable-include=shared \ --enable-log_config=shared \ --enable-mime=shared \ --enable-negotiation=shared \ --enable-proxy=shared \ --enable-proxy_http=shared \ --enable-rewrite=shared \ --enable-setenvif=shared \ --enable-ssl=shared \ --enable-unixd=shared \ --enable-ssl \ --with-ssl=/opt/openssl-1.0.1i \ --enable-ssl-staticlib-deps \ --enable-mods-static=ssl make (would run sudo make install next but I get an error) I'm essentially following the guide here except with newer slightly newer versions. My problem is I get a linker error when I run make for apache: ... Making all in support make[1]: Entering directory `/home/developer/downloads/httpd-2.4.10/support' make[2]: Entering directory `/home/developer/downloads/httpd-2.4.10/support' /usr/share/apr-1.0/build/libtool --silent --mode=link x86_64-linux-gnu-gcc -std=gnu99 -pthread -L/opt/openssl-1.0.1i/lib -lssl -lcrypto \ -o ab ab.lo /usr/lib/x86_64-linux-gnu/libaprutil-1.la /usr/lib/x86_64-linux-gnu/libapr-1.la -lm /usr/bin/ld: /opt/openssl-1.0.1i/lib/libcrypto.a(dso_dlfcn.o): undefined reference to symbol 'dlclose@@GLIBC_2.2.5' I tried the answer here, but no luck. I would prefer to just use aptitude, but unfortunately the versions I need aren't available yet. If anyone knows how to fix the linker problem (or what I think is a linker problem), or knows of a better way to tell apache to use a newer openssl, it would be greatly appreciated; I've got apache 1.0.1i working otherwise.

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  • Java Spotlight Episode 113: John Ceccarelli on Netbeans @JCeccarelli1

    - by Roger Brinkley
    Interview with John Ceccarelli on Netbeans. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News JCP Star Spec Leads 2012 Nominations open now until 31 December Java EE 7 Survey Results JavaFX for Tablets Survey JavaFX Scene Builder - Developer Preview Release Oracle JDK 7u10 released with new security features jtreg update, December 2012 Food For Tests: 7u12 Build b05, 8 b68 Preview Builds + Builds with Lambda & Type Annotation Support Developer Preview of Java SE 8 (with JavaFX) for ARM Project Nashorn: The Vote Is In Events Dec 20, 9:30am JCP Spec Lead Call December on Developing a TCK Jan 15-16, JCP EC Face to Face Meeting, West Coast USA Jan 14-17, IOUG, Redwood Shores Jan 29-31, Distributech,  San Diego Feb 2-3 FOSDEM, Brussels Feb 4-6 Jfokus, Sweden Feature Interview John Jullion-Ceccarelli is the head of engineering for the NetBeans open source project and for the VisualVM Java profiler. John started with Sun Microsystems in 2001 as a technical writer and has since held a variety of positions including technical publications manager, engineering manager, and NetBeans IDE 6.9 Release Boss. He recently relocated to the San Francisco Bay Area after 13 years living in Prague, the Czech Republic. What’s Cool Glassfish is 3 years old Arduino/Raspberry-Pi/JavaFX mash-up by Jose Pereda Early Access of Drombler FX for building modular JavaFX applications with OSGi and Maven Eclipse Modeling Framework Support coming for e(fx)clipse 8003562: Provide a command-line tool to find static dependencies Duke’s Choice Awards Winners LAD - includes JCP EC Member TOTVS London Java Community and SouJava jointly win JCP member of the year

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  • Frederick .NET User Group May 2010 Meeting

    - by John Blumenauer
    FredNUG is pleased to announce our May speaker will be Kevin Griffin.  Kevin has been speaking at several community events this spring and we’re pleased he’s stopping by FredNUG to present at our May meeting.  On May 18th, we’ll start with pizza and social networking at 6:30 PM.  Then, starting at 7 PM, Kevin Griffin will present “Awesomize Your Windows Apps.”   The scheduled agenda is:   6:30 PM - 7:00 PM - Pizza/Social Networking/Announcements 7:00 PM - 8:30 PM - Main Topic: Awesomize Your Windows Apps with Kevin Griffin  Main Topic Description:  Awesomize Your Windows Apps With the release of Windows 7, many developers might be looking to take advantage of the features Windows 7 offers. This presentation offers attendees a broad overview of the Windows API Code Pack, which is a managed library for .NET developers to use for accessing some of the underlying functionality of Windows that was typically reserved for Interop fans. Topics and demos include Windows 7 taskbar functionality, Task dialogs, Libraries support, and more. Speaker Bio: Kevin Griffin is a .NET Developer for Antech Systems, located in Chesapeake, VA. He's an ASPInsider and the leader of the Hampton Roads .NET Users Group. Additionally, he serves as an INETA mentor for the state of Virginia. Often, he can be found speaking at or attending other local user group meetings or code camps. He enjoys working with new technology, and consistently works on being a better developer and building the best software he can. Follow Kevin on Twitter: http://www.twitter.com/1kevgriff Read Kevin's Blog: http://www.kevgriffin.com    8:30 PM - 8:45 PM – RAFFLE! Please join us and get involved in our .NET developers community!

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  • CodePlex Daily Summary for Friday, April 09, 2010

    CodePlex Daily Summary for Friday, April 09, 2010New Projects(SocketCoder) Free Silverlight Voice/Video Conferencing Modules: The Goal of this project is to provide complete Open Source Voice/Video Chatting Client/Server Modules Using Silverlight techniques, this project i...AJAX Control Framework: Do PageMethods and the UpdatePanel make you feel dirty? Think making AJAX enabled custom ASP.NET controls should WAY easier than it is? Wish ASP.NE...Bluetooth Radar: WPF 4.0 Application working with The final release of 32feet.net (v2.2) to Discover Bluetooth devices, send files and more cool stuff for Bluetooth...Bomberman: Bomberman c++ Project Code Library: This is just a personal storage place for a utility library containing extension methods, new classes, and/or improvements to existing classes.DianPing.com MogileFS Client: MogileFS Client for .Net 2.0Dirty City Hearts Website: Dirty City Hearts WebsiteDocGen - SharePoint 2010 Bulk Document Loader: DocGen is a SharePoint 2010 multithreaded console application for bulk loading sample documents into SharePoint. This program generates Microsoft ...dou24: WebSite for DOUExplora: Explora es un navegador de archivos que no pretende ser un sustituto del explorador de Windows, sino un experimento de codificación que compartir c...HobbyBrew Mobile: This project is basic beer brewing software for Windows Mobile able to read HobbyBrew xml files. Developed in C# and Windows FormsjLight: Interop between Silverlight and the javascript based on jQuery. The syntax used in Silverlight is as close as posible to the jQuery syntax.johandekoning.nl samples: Sample code project which are discussed on johandekoning.nl / johandekoning.com. Most examples are / will be developed with C#Kanban: this is a agile paroject managementMETAR.NET Decoder: Project libraries used to decode airport METAR weather information into adequate data types, change them and back, create resulting METAR informati...Micro Framework: MFDeploy with Set/Get mote SKU ID: This is a modification to the Micro Framework's MFDeploy utility that lets the user set and get the mote's ID (aka SKU). It can be done via the GUI...MobySharp: MobySharp is a implementation of the Mobypicture.com API written in C#NGilead: NGilead permits you to use your NHibernate POCO (and especially the partially loaded ones) outside the .NET Virtual Machine (to Silverlight for exa...OpenIdPortableArea: OpenIdPortableArea is an MvcContrib powered Portable Area that encapsulates logic for implementing OpenId encapsulation (using DotNetOpenAuth).OrderToList Extension for IEnumerable: An extension method for IEnumerable<T> that will sort the IEnumerable based on a list of keys. Suppose you have a list of IDs {10, 5, 12} and wa...project3140.org: Code repository for project3140.org.Prometheus Backup Solution: The Prometheus Backup Solution is a free and small Backup Utility for personal use and for small businesses.Roids: an asteroids clone for Silverlight and XNA: An example of a simple game cross-compiling for both Silverlight and XNA using SilverSprite.SemanticAnalyzer: 3rd phase of Compiler Design ProjectSSRS SDK for PHP: SQL Server Reporting Service SDK for PHPWorking Memory Workout: Working Memory Workout is a working memory training game based on the N-back, a task researchers say may improve fluid intelligence. It greatly ex...Wouters Code Samples: This Project will host some of my sample projects I created. I'm a professional SharePoint/BizTalk developer so most of the provided samples will ...New Releases(SocketCoder) Free Silverlight Voice/Video Conferencing Modules: Silverlight Voice Video Chat Modules: Client/Server Silverlight Voice Video Chat ModulesAccessibilityChecker: Accessibility Checker V0.2: Accessibility Checker V0.2 - Direct url´s input functionality added - XHTML, WAI validation modules, easy to extend. (W3C and Achecker modules incl...AStar.net: AStar.net 1.1 downloads: AStar.net 1.1 Version detailsGreatly improved path finding speed and memory usage from version 1.0. Avalaible downloads:AStar.net 1.1 dll - Runtim...AutoPoco: AutoPoco 0.2: This release will bring some non-generic alternatives to configuration + some more automatic configuration options such as assembly scanningBluetooth Radar: Version 1: Basic version only with the ability to discover Bluetooth devices around you.Convert-Media PowerShell Module for Expression Encoder: Release 1.0.0.2: This is a build that incorporates the latest change sets including perform publish. No other changesDevTreks -social budgeting that improves lives and livelihoods: Social Budgeting Web Software, DevTreks alpha 3e: Alpha 3e is a general debug. It also upgrades the software's family budgeting capabilities, including the addition of a new 'Food Nutrition Input'...dV2t Enterprise Library: dV2tEntLib 1.0.0.3: dV2tEntLib 1.0.0.3EnhSim: Release v1.9.8.3: Release v1.9.8.3 Change Armour Penetration calcs to apply the "Rouncer fix" (current version displays debug info to assist users in testing that th...HouseFly controls: HouseFly controls alpha 0.9: HouseFly controls 0.9 alpha binaries (Includes HouseFly.Classes and HouseFly.Controls).Jitbit WYSWYG BBCode Editor: Release: ReleaseMicro Framework: MFDeploy with Set/Get mote SKU ID: MFDeploy with get, set mote ID: The Micro Framework 4.0 MFDeploy, modified to let the user get & set the mote IDMobySharp: MobySharp 1.0: Initial ReleaseOpenIdPortableArea: OpenIdPortableArea: OpenIdPortableArea.Release: DotNetOpenAuth.dll DotNetOpenAuth.xml MvcContrib.dll MvcContrib.xml OpenIdPortableArea.dll OpenIdPortableAre...OrderToList Extension for IEnumerable: Release 0.9b: I'm calling this 0.9 because I came up with it yesterday and there's little real word use so there's probably something that needs fixing or improv...Prometheus Backup Solution: Prometheus BETA: Actual BETA Release. Restore Functions are not available...Reusable Library: V1.0.6: A collection of reusable abstractions for enterprise application developer.Reusable Library Demo: V1.0.4: A demonstration of reusable abstractions for enterprise application developerSharePoint Labs: SPLab4005A-FRA-Level100: SPLab4005A-FRA-Level100 This SharePoint Lab will teach you the 5th best practice you should apply when writing code with the SharePoint API. Lab La...SharePoint Labs: SPLab6001A-FRA-Level200: SPLab6001A-FRA-Level200 This SharePoint Lab will teach you how to create a generic Feature Receiver within Visual Studio. Creating a Feature Receiv...SharePoint LogViewer: SharePoint LogViewer 2.0: Supports live Farm monitoring. Many bug fixes.Simple Savant: Simple Savant v0.5: Added support for custom constraint/validation logic (See Versioning and Consistency) Added support for reliable cross-domain writes (See Version...SQL Server Extended Properties Quick Editor: Release 1.6.1: Whats new in 1.6.1: Add an edit form to support long text editing. double click to open editor. Add an ORM extended properties initializer to creat...SSRS SDK for PHP: SSRS SDK for PHP: Current release includes the SSRSReport library to connect to SQL Server Reporting Services and a sample application to show the basic steps needed...Table Storage Backup & Restore for Windows Azure: Table Storage Backup 1.0.3751: Bug fix: Crash when creating a table if the existing table had not finished deleting. Bug fix: Incorrect batch URI if the storage account ended in ...VCC: Latest build, v2.1.30408.0: Automatic drop of latest buildVisual Studio DSite: Audio Player (Visual C++ 2008): An audio player that can play wav files.Working Memory Workout: Working Memory Workout 1.0: Working Memory Workout is a working memory trainer based on the N-back memory task.Wouters Code Samples: XMLReceiveCBR: This is a Custom Pipeline component. It will help you create a Content Based Routing solution in combination of a WCF Requst/Response service. Gene...Xen: Graphics API for XNA: Xen 1.8: Version 1.8 (XNA 3.1) This update fixes a number of bugs in several areas of the API and introduces a large new Tutorial. [Added] L2 Spherical Ha...Most Popular ProjectsWBFS ManagerRawrMicrosoft SQL Server Product Samples: DatabaseASP.NET Ajax LibrarySilverlight ToolkitAJAX Control ToolkitWindows Presentation Foundation (WPF)ASP.NETMicrosoft SQL Server Community & SamplesFacebook Developer ToolkitMost Active ProjectsnopCommerce. Open Source online shop e-commerce solution.Shweet: SharePoint 2010 Team Messaging built with PexRawrAutoPocopatterns & practices – Enterprise LibraryIonics Isapi Rewrite FilterNB_Store - Free DotNetNuke Ecommerce Catalog ModuleFacebook Developer ToolkitFarseer Physics EngineNcqrs Framework - The CQRS framework for .NET

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  • Learn to Create Applications Using MySQL with MySQL for Developers Course

    - by Antoinette O'Sullivan
    If you are a database developer who wants to create applications using MySQL, then the MySQL for Developers course is for you. This course covers how to plan, design and implement applications using the MySQL database with realistic examples in Java and PHP. To see more details of the content of the MySQL for Developers course, go to http://oracle.com/education/mysql and click on the Learning Paths tab and select the MySQL Developer path. You can take this course as a: Live-Virtual Event: Follow this live instructor-led event from your own desk - no travel required. Choose from a selection of events on the calendar in languages such as English, German and Korean. In-Class Event: Travel to an education center to take this class. Below is a sample of events on the schedule.  Location  Date  Language  Vienna, Austria  4 March 2013  German  London, England  4 March 2013  English  Gummersbach, Germany  11 February 2013  Germany  Hamburg, Germany  14 January 2013  Germany  Munich, Germany  15 April 2013  Germany  Budapest, Hungary  15 April 2013  Hungarian  Milan, Italy  21 January 2013  Italy  Rome, Italy  11 March 2013  Italy  Amsterdam, Netherlands  28 January 2013  Dutch  Nieuwegein, Netherlands  13 May 2013  Dutch  Lisbon, Portugal  18 February 2013  European Portugese  Porto, Portugal  18 February 2013  European Portugese  Barcelona, Spain  18 February 2013  Spanish  Madrid, Spain  28 January 2013  Spanish  Bern, Switzerland  11 April 2013  German  Zurich, Switzerland  11 April 2013  German  Nairobi, Kenya  21 January 2013  English  Petaling Jaya, Malaysia  17 December 2012  English  Sao Paulo, Brazil  11 March 2013  Brazilian Portugese For more information on this class or other courses on the authentic MySQL curriculum, or to express your interest in additional events, go to http://oracle.com/education/mysql. Note, many organizations deploy both Oracle Database and MySQL side by side to serve different needs, and as a database professional you can find training courses on both topics at Oracle University! Check out the upcoming Oracle Database training courses and MySQL training courses. Even if you're only managing Oracle Databases at this point of time, getting familiar with MySQL will broaden your career path with growing job demand.

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  • Thoughts on the new JavaFX by Jim Connors

    - by Jacob Lehrbaum
    First, a brief editorial if I may.  The upcoming JavaFX 2.0 platform has been getting overwhelmingly positive reaction from the community so far.  While the public sentiment seems to be cautiously optimistic, I've heard nothing but positive reactions from everyone that I've spoken to about the platform.   In fact, many of the early adopters of JavaFX have told us directly that they are very encouraged about the direction the platform is taking.One such early adopter is Oracle's own Jim Connors.  As his day job, Jim is a principal sales consultant (basically an engineer that supports Oracle's sales efforts) in the New York area.  However, Jim also co-wrote a book with Jim Clarke and Eric Bruno on JavaFX and has spoken and conducted training sessions at events like the New York Java Developer Day, the Java Road Trip, and other events.In his thoughtful editorial, Jim discusses some of the reasons why he believes the new directions Oracle is taking JavaFX make sense, including:Better developer toolsLower barriers to adoption -> better accessibility to existing Java developersImproved performanceMore flexibility (ability to use other dynamic languages, etc)To read more about Jim's thoughts on the new JavaFX, check out his blog.  Or if you want to learn more about the JavaFX platform, pick up a copy of his book.  And if you still want to use JavaFX Script, you can check out Project Visage

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  • Async & Await in C# with Xamarin

    - by Wallym
     One of the great things about the .NET Framework is that Microsoft has worked long and hard to improve many features. Since the initial release of .NET 1.0, there has been support for threading via .NET threads as well as an application-level threadpool. This provided a great starting point when compared to Visual Basic 6 and classic ASP programming. The release of.NET 4 brought significant improvements in the area of threading, asynchronous operations and parallel operations. While the improvements made working with asynchronous operations easier, new problems were introduced, since many of these operations work based on callbacks. For example: How should a developer handle error checking? The program flow tends to be non-linear. Fixing bugs can be problematic. It is hard for a developer to get an understanding of what is happening within an application. The release of .NET 4.5 (and C# 5.0), in the fall of 2012, was a blockbuster update with regards to asynchronous operations and threads. Microsoft has added C# language keywords to take this non-linear callback-based program flow and turn it into a much more linear flow. Recently, Xamarin has updated Xamarin.Android and Xamarin.iOS to support async. This article will look at how Xamarin has implemented the .NET 4.5/C# 5 support into their Xamarin.iOS and Xamarin.Android productions. There are three general areas that I'll focus on: A general look at the asynchronous support in Xamarin's mobile products. This includes async, await, and the implications that this has for cross-platform code. The new HttpClient class that is provided in .NET 4.5/Mono 3.2. Xamarin's extensions for asynchronous operations for Android and iOS. FYI: Be aware that sometimes the OpenWeatherMap API breaks, for no reason.  I found this out after I shipped the article in.

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  • Java Spotlight Episode 84: Anil Gaur on JavaEE 7

    - by Roger Brinkley
    Tweet Interview with Anil Gaur, VP of Java Platform for Enterprise Edition and GlassFish Server, on JavaEE 7. Joining us this week on the Java All Star Developer Panel are Dalibor Topic, Java Free and Open Source Software Ambassador and Arun Gupta, Java EE Guy. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News Tori Wieldt - Judges Selected for Duke's Choice Awards Donald Smith - #OpenJDK interview in Java Magazine Henrik Ståhl - Java 7 adoption at 23% JavaOne Kicks Off with Sunday Keynotes at Masonic Auditorium Jersey 2.0 M4 JSF 2.2 Latest Snapshot NetBeans IDE 7.2 - Deploy to Cloud Events May 30, OTN Java Developer Day, Redwood Shores June 11-14, Cloud Computing Expo, New York City June 12, Boulder JUG June 13, Denver JUG June 13, Eclipse Juno DemoCamp, Redwoood Shore June 13, JUG Münster June 14, Java Klassentreffen, Vienna, Austria June 18-20, QCon, New York City June 26-28, Jazoon, Zurich, Switzerland July 5, Java Forum, Stuttgart, Germany July 30-August 1, JVM Language Summit, Santa Clara Feature InterviewAnil Gaur is the Vice President of Java Platform, Enterprise Edition, and GlassFish Server at Oracle in the Fusion Middleware Group. Is responsible for creation of Java EE Specifications, Reference Implementation, and Compatibility Test Suites. Leading the evolution on Java EE into Cloud and PaaS environment through the Java EE 7 standard. Prior to that, managed the delivery of Java EE 6 Platform and SDK which quickly gained momentum in enterprise application development and deployments. In this episode we talk about GlassFish 3.1 release. Mail Bag What’s Cool RFR (L): Adding core file parsing on Mac OS X to SA Sergio Del Valle @swdelvalle is the 1,000 @JavaSpotlight twitter follower

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  • JCP Party at JavOne and other JCP events

    - by heathervc
    Don't miss all of these great opportunities to get involved with the JCP program at JavaOne next week. The details are listed below and listed on the JCP at JavaOne page  as well. Join us for the annual JCP community party on Tuesday evening, 2 October, to be held at the Infusion Lounge. Drop by starting at 6:30 pm to meet fellow Java Community members, JCP members and EC representatives, enjoy appetizers/beer, pick up a door prize, enter a raffle and congratulate the winners and nominees (newly updated nominee information available now) of the 10th annual awards in three categories: JCP Member of the Year, Outstanding Spec Lead, and Most Significant JSR. The day by day breakdown is as follows... Sunday 9/30/12JCP and OpenJDK: Using the JUGs' "Adopt" Programs in Your Group Session ID: UGF10434Location: Moscone West - 2002Date and Time: 9/30/12, 12:15 PM - 1:00 PMJCP Public Executive Committee Face-to-Face Meeting Open to Executive Committee Members and the Java Developer CommunityLocation: Clift Hotel, 495 Geary Street, San Francisco - Rita Room (downstairs from Lobby)Date and Time: 9/30/12, 2:00 PM - 3:30 PM; Agenda includes open Q&A, JCP.Next, EC Elections - no JavaOne pass required! Monday 10/1/12JCP in the OTN Java DEMOgrounds Location: Hilton Hotel Grand BallroomDate and Time: 10/1/12, 4:00 PM - 4:30 PMJCP.Next: Reinvigorating Java Standards Session ID: BOF6272Location: Hilton San Francisco - Plaza A/BDate and Time: 10/1/12, 4:30 PM - 5:15 PM101 Ways to Improve Java: Why Developer Participation Matters Session ID: BOF6283Location: Hilton San Francisco - Continental Ballroom 4Date and Time: 10/1/12, 5:30 PM - 6:15 PM Tuesday 10/2/12JCP in the OTN Java DEMOgrounds Location: Hilton Hotel Grand BallroomDate and Time: 10/2/12, 12:00 PM - 1:30 PMSpec Leads Meeting with the JCP PMO Location: Hilton San Francisco - Van Ness RoomDate and Time: 10/2/12, 3:00 PM - 4:00 PMCome learn how you benefit from the changesMeet the JCP Executive Committee Candidates Session ID: BOF6307Location: Hilton San Francisco - Golden Gate 3/4/5Date and Time: 10/2/12, 4:30 PM - 5:15 PMThe 10th Annual JCP Awards Presentation and Party Enjoy an evening with this year's JCP Award nominees and watch as we announce the winners -  no JavaOne pass required! Location: Infusion Lounge - 124 Ellis Street, San FranciscoDate and Time: 10/2/12, 6:30 PM - 9:00 PM Hope to see you there!

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  • Java Spotlight Episode 35: JVM Performance and Quality

    - by Roger Brinkley
    Tweet Interview with Vladimir Ivanov, Ivan Krylov, Sergey Kuksenko on the JDK 7 Java Virtual Machine performance and quality. Joining us this week on the Java All Star Developer Panel are Dalibor Topic, Java Free and Open Source Software Ambassador, and Alexis Moussine-Pouchkine, Java EE Developer Advocate. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link: Java Spotlight Podcast in iTunes. Show Notes News Java 7 Launch Event GlassFish 3.1.1 re-planning done, first RC on July 7th, lots of component updates following customer and community feedback Mojarra 2.1.2 is here, just a little ahead of the GlassFish 3.1.1 release. In other JSF-related news, JSF 2.0 has a first expert draft New OpenJDK Project proposed: JDK 7 Update Events June 20-23 JAX, San Jose, CA June 21 Java + MySQL Webinar at 9:00 AM PDT June 21-23 JaZoon, Zurich, Switzerland June 22nd and 28th GlassFish Webinars (one in Portuguese) June 29-July 2 12th Forum Internatioal Software Livre, Porto Alegre, Brazil July 3, Sao Jose do Rio Preto, Brazil July 5, Brasilia, Brazil (DFJUG) July 6, Goiania, Brazil (GOJava) July 6-10 The Developers Conference, Sao Paulo, Brazil July 7 Java 7 Launch Event live in Redwood Shores, CA; Sao Paulo, BR; London, England. July 9, Joao Pessoa, Brazil (PBJUG) July 11, Natal, Brazil (JavaRN) July 14, Fortaleza, Brazil (CEJUG) July 16, Salvador, Brazil (JavaBahia) July 19, Toledo, Brazil (UNIPAR) July 21, Maringa, Brazil (RedFoot) Feature interview This weeks feature interview is with Vladimir Ivanov, HotSpot JVM Quality Engingeer;  Ivan Krylov, Licensee Engineering;  and Sergey Kuksenko, Java SE Performance Team on the JDK 7 Java Virtual Machine peformance and quality. What's Cool Ongoing OpenJDK Bylaws ratification results Show Transcripts Transcript for this show is available here when available

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  • Sevensteps and I are joining forces

    - by Dennis Vroegop
    As of today, I will be partnering with Sevensteps when it comes to developing great Surface, Windows Phone 7 and Windows 7 Touch applications. Below you’ll find the press release we sent out today. I am looking forward to this partnership and expect great things coming from us both in the future!   Dennis Vroegop, Microsoft MVP, joins Sevensteps partner network 1 March 2011, Seattle / Amersfoort Today Dennis Vroegop and Bart Roozendaal, both Microsoft Most Valuable Professional for Microsoft Surface, announce the joining of Dennis Vroegop to the Sevensteps partner network. Dennis and Bart already worked together very closely through the Microsoft MVP connection, but decided to combined their efforts to make the new Microsoft Surface and our solutions for it, a success. Dennis will join the other Sevensteps partners in creating state of the art solutions for Microsoft Surface, Windows Phone 7 and Windows 7 Touch. Dennis brings a vast amount of knowledge about these technologies, as well as his network in the Dutch developer community. With Dennis joining the Sevensteps partner network we bring unique expertise, power and insight in the platforms, that no other company worldwide can offer. This step brings our goal of Sevensteps being the knowledge hub for Microsoft Surface of choice a whole lot closer. About Dennis Vroegop Dennis is a Microsoft MVP for Microsoft Surface and chairman of the Dutch dotNed user group. He has a long history promoting Microsoft Surface in the developer community. Dennis is a regular speaker at local and international conferences and a frequent writer of articles, including but not limited to Microsoft Surface. Dennis has a bachelor’s degree in computer sciences and has spent all of his professional life writing software for the Microsoft platform. About Sevensteps For more information about Sevensteps and Bart Roozendaal please point to http://www.sevensteps.com Tags: surface,wp7,windows touch

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  • Have you changed your coding style recently? It wasn't hard wasn't it?

    - by Ernelli
    I've used to write code in C-like languages using the Allman style, regarding the position of braces. void foo(int bar) { if(bar) { //... } else return; //... } Now the last two years I have been working mostly in JavaScript and when we adopted jslint as part of our QA process, I had to adopt to the Crockford way of doing things. So I had to change the coding style into: function foo(bar) { if (bar) { //... } else { return; } //... } Now apart from comparing a C/C++ example with JavaScript, I must say that my JavaScript-Crockford-coding style now has spread into my C/C++/Java coding when I revise old projects and work on code in those languages that for example has no problem with single line statements or ambiguous newline insertion. I used to consider the later format very awkward, I have never had any problems with adapting my coding style to the one chosen by my predecessors, except for when I was a Junior developer mostly being the solve developer on legacy projects and the first thing I did was to change the indenting style. But now after a couple of months I consider the Allman style a little bit too spacious and feel more comfortable with the K&R-like style. Have you changed your coding style during your career?

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  • The future for Microsoft

    - by Scott Dorman
    Originally posted on: http://geekswithblogs.net/sdorman/archive/2013/10/16/the-future-for-microsoft.aspxMicrosoft is in the process of reinventing itself. While some may argue that it’s “too little, too late” or that their growing consumer-focused strategy is wrong, the truth of the situation is that Microsoft is reinventing itself into a new company. While Microsoft is now calling themselves a “devices and services” company, that’s not entirely accurate. Let’s look at some facts: Microsoft will always (for the long-term foreseeable future) be financially split into the following divisions: Windows/Operating Systems, which for FY13 made up approximately 24% of overall revenue. Server and Tools, which for FY13 made up approximately 26% of overall revenue. Enterprise/Business Products, which for FY13 made up approximately 32% of overall revenue. Entertainment and Devices, which for FY13 made up approximately 13% of overall revenue. Online Services, which for FY13 made up approximately 4% of overall revenue. It is important to realize that hardware products like the Surface fall under the Windows/Operating Systems division while products like the Xbox 360 fall under the Entertainment and Devices division. (Presumably other hardware, such as mice, keyboards, and cameras, also fall under the Entertainment and Devices division.) It’s also unclear where Microsoft’s recent acquisition of Nokia’s handset division will fall, but let’s assume that it will be under Entertainment and Devices as well. Now, for the sake of argument, let’s assume a slightly different structure that I think is more in line with how Microsoft presents itself and how the general public sees it: Consumer Products and Devices, which would probably make up approximately 9% of overall revenue. Developer Tools, which would probably make up approximately 13% of overall revenue. Enterprise Products and Devices, which would probably make up approximately 47% of overall revenue. Entertainment, which would probably make up approximately 13% of overall revenue. Online Services, which would probably make up approximately 17% of overall revenue. (Just so we’re clear, in this structure hardware products like the Surface, a portion of Windows sales, and other hardware fall under the Consumer Products and Devices division. I’m assuming that more of the income for the Windows division is coming from enterprise/volume licenses so 15% of that income went to the Enterprise Products and Devices division. Most of the enterprise services, like Azure, fall under the Online Services division so half of the Server and Tools income went there as well.) No matter how you look at it, the bulk of Microsoft’s income still comes from not just the enterprise but also software sales, and this really shouldn’t surprise anyone. So, now that the stage is set…what’s the future for Microsoft? The future I see for Microsoft (again, this is just my prediction based on my own instinct, gut-feel and publicly available information) is this: Microsoft is becoming a consumer-focused enterprise company. Let’s look at it a different way. Microsoft is an enterprise-focused company trying to create a larger consumer presence.  To a large extent, this is the exact opposite of Apple, who is really a consumer-focused company trying to create a larger enterprise presence. The major reason consumer-focused companies (like Apple) have started making in-roads into the enterprise is the “bring your own device” phenomenon. Yes, Apple has created some “game-changing” products but their enterprise influence is still relatively small. Unfortunately (for this blog post at least), Apple provides revenue in terms of hardware products rather than business divisions, so it’s not possible to do a direct comparison. However, in the interest of transparency, from Apple’s Quarterly Report (filed 24 July 2013), their revenue breakdown is: iPhone, which for the 3 months ending 29 June 2013 made up approximately 51% of revenue. iPad, which for the 3 months ending 29 June 2013 made up approximately 18% of revenue. Mac, which for the 3 months ending 29 June 2013 made up approximately 14% of revenue. iPod, which for the 3 months ending 29 June 2013 made up approximately 2% of revenue. iTunes, Software, and Services, which for the 3 months ending 29 June 2013 made up approximately 11% of revenue. Accessories, which for the 3 months ending 29 July 2013 made up approximately 3% of revenue. From this, it’s pretty clear that Apple is a consumer-and-hardware-focused company. At this point, you may be asking yourself “Where is all of this going?” The answer to that lies in Microsoft’s shift in company focus. They are becoming more consumer focused, but what exactly does that mean? The biggest change (at least that’s been in the news lately) is the pending purchase of Nokia’s handset division. This, in combination with their Surface line of tablets and the Xbox, will put Microsoft squarely in the realm of a hardware-focused company in addition to being a software-focused company. That can (and most likely will) shift the revenue split to looking at revenue based on software sales (both consumer and enterprise) and also hardware sales (mostly on the consumer side). If we look at things strictly from a Windows perspective, Microsoft clearly has a lot of irons in the fire at the moment. Discounting the various product SKUs available and painting the picture with broader strokes, there are currently 5 different Windows-based operating systems: Windows Phone Windows Phone 7.x, which runs on top of the Windows CE kernel Windows Phone 8.x+, which runs on top of the Windows 8 kernel Windows RT The ARM-based version of Windows 8, which runs on top of the Windows 8 kernel Windows (Pro) The Intel-based version of Windows 8, which runs on top of the Windows 8 kernel Xbox The Xbox 360, which runs it’s own proprietary OS. The Xbox One, which runs it’s own proprietary OS, a version of Windows running on top of the Windows 8 kernel and a proprietary “manager” OS which manages the other two. Over time, Windows Phone 7.x devices will fade so that really leaves 4 different versions. Looking at Windows RT and Windows Phone 8.x paints an interesting story. Right now, all mobile phone devices run on some sort of ARM chip and that doesn’t look like it will change any time soon. That means Microsoft has two different Windows based operating systems for the ARM platform. Long term, it doesn’t make sense for Microsoft to continue supporting that arrangement. I have long suspected (since the Surface was first announced) that Microsoft will unify these two variants of Windows and recent speculation from some of the leading Microsoft watchers lends credence to this suspicion. It is rumored that upcoming Windows Phone releases will include support for larger screen sizes, relax the requirement to have a hardware-based back button and will continue to improve API parity between Windows Phone and Windows RT. At the same time, Windows RT will include support for smaller screen sizes. Since both of these operating systems are based on the same core Windows kernel, it makes sense (both from a financial and development resource perspective) for Microsoft to unify them. The user interfaces are already very similar. So similar in fact, that visually it’s difficult to tell them apart. To illustrate this, here are two screen captures: Other than a few variations (the Bing News app, the picture shown in the Pictures tile and the spacing between the tiles) these are identical. The one on the left is from my Windows 8.1 laptop (which looks the same as on my Surface RT) and the one on the right is from my Windows Phone 8 Lumia 925. This pretty clearly shows that from a consumer perspective, there really is no practical difference between how these two operating systems look and how you interact with them. For the consumer, your entertainment device (Xbox One), phone (Windows Phone) and mobile computing device (Surface [or some other vendors tablet], laptop, netbook or ultrabook) and your desktop computing device (desktop) will all look and feel the same. While many people will denounce this consistency of user experience, I think this will be a good thing in the long term, especially for the upcoming generations. For example, my 5-year old son knows how to use my tablet, phone and Xbox because they all feature nearly identical user experiences. When Windows 8 was released, Microsoft allowed a Windows Store app to be purchased once and installed on as many as 5 devices. With Windows 8.1, this limit has been increased to over 50. Why is that important? If you consider that your phone, computing devices, and entertainment device will be running the same operating system (with minor differences related to physical hardware chipset), that means that I could potentially purchase my sons favorite Angry Birds game once and be able to install it on all of the devices I own. (And for those of you wondering, it’s only 7 [at the moment].) From an app developer perspective, the story becomes even more compelling. Right now there are differences between the different operating systems, but those differences are shrinking. The user interface technology for both is XAML but there are different controls available and different user experience concepts. Some of the APIs available are the same while some are not. You can’t develop a Windows Phone app that can also run on Windows (either Windows Pro or RT). With each release of Windows Phone and Windows RT, those difference become smaller and smaller. Add to this mix the Xbox One, which will also feature a Windows-based operating system and the same “modern” (tile-based) user interface and the visible distinctions between the operating systems will become even smaller. Unifying the operating systems means one set of APIs and one code base to maintain for an app that can run on multiple devices. One code base means it’s easier to add features and fix bugs and that those changes become available on all devices at the same time. It also means a single app store, which will increase the discoverability and reach of your app and consolidate revenue and app profile management. Now, the choice of what devices an app is available on becomes a simple checkbox decision rather than a technical limitation. Ultimately, this means more apps available to consumers, which is always good for the app ecosystem. Is all of this just rumor, speculation and conjecture? Of course, but it’s not unfounded. As I mentioned earlier, some of the prominent Microsoft watchers are also reporting similar rumors. However, Microsoft itself has even hinted at this future with their recent organizational changes and by telling developers “if you want to develop for Xbox One, start developing for Windows 8 now.” I think this pretty clearly paints the following picture: Microsoft is committed to the “modern” user interface paradigm. Microsoft is changing their release cadence (for all products, not just operating systems) to be faster and more modular. Microsoft is going to continue to unify their OS platforms both from a consumer perspective and a developer perspective. While this direction will certainly concern some people it will excite many others. Microsoft’s biggest failing has always been following through with a strong and sustained marketing strategy that presents a consistent view point and highlights what this unified and connected experience looks like and how it benefits consumers and enterprises. We’ve started to see some of this over the last few years, but it needs to continue and become more aggressive and consistent. In the long run, I think Microsoft will be able to pull all of these technologies and devices together into one seamless ecosystem. It isn’t going to happen overnight, but my prediction is that we will be there by the end of 2016. As both a consumer and a developer, I, for one, am excited about the future of Microsoft.

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  • Dilemma for growing a project: Open source volunteer developers VS closed source paid / revshare developers? [closed]

    - by giorgio79
    I am trying to grow my project, and I am vaccillating between some examples. Some options seem to be: 1. open sourcing the project to draw volunteer developers. Pros This would mean anyone can try and make some money off the code that would motivate them to contribute back and grow the project. Cons Existing bigger could easily copy and paste my work so far. They can also replicate without having access to the code, but that would take more time. I also thought of using AGPL license, but again, code can still be copied without redistribution. After all, enforcing a license costs a lot of money, and I cannot just say to a possible copycat that it seems you copied my code, show me what you got. 2. Keep the project closed source, but create some kind of a developer program where they get revshare Pros I keep the main rights for the project, but still generate interest by creating a developer program. Noone can copy code easily, just with some considerable effort, but make contributions easy as a breeze. I am also seeing many companies just open source a part of their projects, like Acquia does not open source its multisite setup, or github does not open source some of its core business. Cons Less attention from open source committed devs. Conclusion So option 2 seems the most secure, but would love some feedback.

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  • No endpoint listening at.........

    - by Michael Stephenson
    I was having some very frustrating behaviour on our build server and while I found a number of articles online with similar error messages none of them helped me.  I thought I would just explain this here incase if helps me or anyone else in future.The error message we were getting is:There was no endpoint listening at http://localhostStubs.ExternalApplication/SampleService.svc that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more detailsOur scenario is as follows:We have a solution where a WCF service application hosting the WCF routing service is listening to the Windows Azure Service Bus Relay.  We have an acceptance test project in the solution which sends a message to the service bus which is then received by the WCF routing service and routed to SampleService.svc which is hosted in another IIS application on the same box.  A response is flowed back through to the test.  In the tests there are 5 scenarios simulating a successful message, and various error conditions.  On my developer machine it was working absolutely fine every time, and a clean build on my developer machine worked fine.  On the build server however one or more of the tests would fail each time with the above error message.  There didnt seem to be any pattern to which test would fail.The solution was building on a Windows 2008 R2 machine with IIS 7 and AppFabric Server installed with auto-start configured for the IIS Application which would be listening to service bus.After lots of searching online and looking at logs etc it turned out to be a simple solution to just restart the WAS service (Windows Process Activation Service) and the services it advised you to restart with it.  Hope this helps someone else

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  • Is there something special about the number 65535?

    - by Nick Rosencrantz
    2¹6-1 & 25 = 25 (or? obviously ?) A developer asked me today what is bitwise 65535 & 32 i.e. 2¹6-1 & 25 = ? I thought at first spontaneously 32 but it seemed to easy whereupon I thought for several minutes and then answered 32. 32 seems to have been the correct answer but how? 65535=2¹6-1=1111111111111111 (but it doesn't seem right since this binary number all ones should be -1(?)), 32 = 100000 but I could not convert that in my head whereupon I anyway answered 32 since I had to answer something. Is the answer 32 in fact trivial? Is in the same way 2¹6-1 & 25-1 =31? Why did the developer ask me about exactly 65535? Binary what I was asked to evaluate was 1111111111111111 & 100000 but I don't understand why 1111111111111111 is not -1. Shouldn't it be -1? Is 65535 a number that gives overflow and how do I know that?

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  • Essential roles for web application team

    - by jromero
    Some friends of mine came up with an idea for a web application which we (so far) think could be great. I made the analysis and all the early stages of the development process and I'm about to start the coding. I'm talking about something that is barely a mid-level project, so I consider one developer (myself) should be enough. The thing is that we are trying to assign roles to each one of us so we can be focused on our duties and have clear our responsibilities within the team. We are a crew of four people, three of us (my friends) are business people who would do the marketing, customer relationship, management and accounting stuff and I'm basically the developer. I have in mind to get them involved into the development process by giving them documentation to write and use them as testers, all of that besides the management duties they have. Perhaps someone out there have been in the same situation, so I would appreciate if the experience is shared so we can effectively give ourselves positions in the project based on what I explained above. Which are the essential roles or the optimal team layout so the idea can be developed successfully? The question is not strictly about programming, but it's related to build a software entrepreneurship beyond the code, that is something that I'm sure plenty of us are looking. Any help is really appreciated! Regards.

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  • Java Spotlight Episode 107: Adam Bien on JavaEE Patterns and Futures @AdamBien

    - by Roger Brinkley
    Interview with Adam Bien, Java Champion and Ace Director, on his book Real World Java EE Patterns-Rethinking Best Practices and Java EE futures. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News NightHacking Tour Continues - Don't Miss It! JavaFX Ensemble in the Mac App Store12 Announcing the JavaFX UI controls sandbox Java EE 7 Status Update - November 2012 2012 Executive Committee (EC) Elections Events Nov 5-9, Øredev Developer Conference, Malmö, Sweden Nov 13-17, Devoxx, Antwerp, Belgium Nov 20-22, DOAG 2012, Nuremberg, Germany Dec 3-5, jDays, Göteborg, Sweden Dec 4-6, JavaOne Latin America, Sao Paolo, Brazil Dec 14-15, IndicThreads, Pune, India Feature InterviewAdam Bien is a Java Champion, NetBeans Dream Team Founding Member, Oracle ACE Director, Java Developer of the Year 2010. He has worked with Java since JDK 1.0, with Servlets/EJB since 1.0. He participates in the JCP as an Expert Group member for the Java EE 6 and 7, EJB 3.X, JAX-RS, CDI, and JPA 2.X JSRs. The author of several books about JavaFX, J2EE, and Java EE, including Real World Java EE Patterns—Rethinking Best Practices and Real World Java EE Night Hacks—Dissecting the Business Tier.The Kindle version of Real World Java EE Patterns-Rethinking Best Practices was released October 31. It’s only $9.99, but if you are an Amazon Prime members you can “borrow” the book for free. What’s Cool Building OpenJFX 2.2 Again

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  • Running ADF Essentials in Tomcat

    - by Rodrigues, Raphael
    Oracle released a few days ago ADF Essentials, which is a free version of its Oracle ADF Framework. Oracle ADF Essentials can run on the Glassfish Application Server, well explained by Shay here  . Glassfish is also certified to run ADF Essentials Application. However, It could be possible to run ADF Essentials Applications in a Java EE Container. So, I’ll describe the steps to run the ADF Faces Rich Client demo application into a Tomcat 7. Before we start, you should download the files: • Apache Tomcat 7 : http://tomcat.apache.org/download-70.cgi • Oracle ADF Essentials 11.1.2.3 : http://www.oracle.com/technetwork/developer-tools/adf/downloads/index.html • Oracle ADF Faces Components Demo 11.1.2.3: http://www.oracle.com/technetwork/developer-tools/adf/downloads/index.html Steps: 1. Extract your tomcat 7. In my case, I choose D:\ apache-tomcat-7.0.29 2. Extract ADF Essentials zip file inside the %TOMCAT_HOME%\lib 3. Put the rcf-dvt-demo.war file inside the %TOMCAT_HOME%\webapps 4. Open the file %TOMCAT_HOME%\bin\catalina.bat (or .sh if you’re in linux environment) and add in the end of the line ‘set JAVA_OPTS=%JAVA_OPTS% %LOGGING_CONFIG%’ this -Xms1024m -Xmx1024m If you don’t do this, probably when you start you’ll see a OutOfMemory error. 5. Here is the little trick, tomcat does not come with jsf jar’s, so you have to put there. So, I went to the Oracle Jdeveloper 11.1.2 instalation and search for this files: • jsf-api.jar • jsf-impl.jar • glassfish.jstl_1.2.0.1.jar 6. You’re ready to start tomcat in %TOMCAT_HOME%\bin\startup.bat If everything is fine, you will be able to open your favourite browser and type http://localhost:8080/rcf-dvt-demo/faces/index.jspx

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  • Evil DRY

    - by StefanSteinegger
    DRY (Don't Repeat Yourself) is a basic software design and coding principle. But there is just no silver bullet. While DRY should increase maintainability by avoiding common design mistakes, it could lead to huge maintenance problems when misunderstood. The root of the problem is most probably that many developers believe that DRY means that any piece of code that is written more then once should be made reusable. But the principle is stated as "Every piece of knowledge must have a single, unambiguous, authoritative representation within a system." So the important thing here is "knowledge". Nobody ever said "every piece of code". I try to give some examples of misusing the DRY principle. Code Repetitions by Coincidence There is code that is repeated by pure coincidence. It is not the same code because it is based on the same piece of knowledge, it is just the same by coincidence. It's hard to give an example of such a case. Just think about some lines of code the developer thinks "I already wrote something similar". Then he takes the original code, puts it into a public method, even worse into a base class where none had been there before, puts some weird arguments and some if or switch statements into it to support all special cases and calls this "increasing maintainability based on the DRY principle". The resulting "reusable method" is usually something the developer not even can give a meaningful name, because its contents isn't anything specific, it is just a bunch of code. For the same reason, nobody will really understand this piece of code. Typically this method only makes sense to call after some other method had been called. All the symptoms of really bad design is evident. Fact is, writing this kind of "reusable methods" is worse then copy pasting! Believe me. What will happen when you change this weird piece of code? You can't say what'll happen, because you can't understand what the code is actually doing. So better don't touch it anymore. Maintainability just died. Of course this problem is with any badly designed code. But because the developer tried to make this method as reusable as possible, large parts of the system get dependent on it. Completely independent parts get tightly coupled by this common piece of code. Changing on the single common place will have effects anywhere in the system, a typical symptom of too tight coupling. Without trying to dogmatically (and wrongly) apply the DRY principle, you just had a system with a weak design. Now you get a system which just can't be maintained anymore. So what can you do against it? When making code reusable, always identify the generally reusable parts of it. Find the reason why the code is repeated, find the common "piece of knowledge". If you have to search too far, it's probably not really there. Explain it to a colleague, if you can't explain or the explanation is to complicated, it's probably not worth to reuse. If you identify the piece of knowledge, don't forget to carefully find the place where it should be implemented. Reusing code is never worth giving up a clean design. Methods always need to do something specific. If you can't give it a simple and explanatory name, you did probably something weird. If you can't find the common piece of knowledge, try to make the code simpler. For instance, if you have some complicated string or collection operations within this code, write some general-purpose operations into a helper class. If your code gets simple enough, its not so bad if it can't be reused. If you are not able to find anything simple and reasonable, copy paste it. Put a comment into the code to reference the other copies. You may find a solution later. Requirements Repetitions by Coincidence Let's assume that you need to implement complex tax calculations for many countries. It's possible that some countries have very similar tax rules. These rules are still completely independent from each other, since every country can change it of its own. (Assumed that this similarity is actually by coincidence and not by political membership. There might be basic rules applying to all European countries. etc.) Let's assume that there are similarities between an Asian country and an African country. Moving the common part to a central place will cause problems. What happens if one of the countries changes its rules? Or - more likely - what happens if users of one country complain about an error in the calculation? If there is shared code, it is very risky to change it, even for a bugfix. It is hard to find requirements to be repeated by coincidence. Then there is not much you can do against the repetition of the code. What you really should consider is to make coding of the rules as simple as possible. So this independent knowledge "Tax Rules in Timbuktu" or wherever should be as pure as possible, without much overhead and stuff that does not belong to it. So you can write every independent requirement short and clean. DRYing try-catch and using Blocks This is a technical issue. Blocks like try-catch or using (e.g. in C#) are very hard to DRY. Imagine a complex exception handling, including several catch blocks. When the contents of the try block as well as the contents of the individual catch block are trivial, but the whole structure is repeated on many places in the code, there is almost no reasonable way to DRY it. try { // trivial code here using (Thingy thing = new thingy) { //trivial, but always different line of code } } catch(FooException foo) { // trivial foo handling } catch (BarException bar) { // trivial bar handling } catch { // trivial common handling } finally { // trivial finally block } The key here is that every block is trivial, so there is nothing to just move into a separate method. The only part that differs from case to case is the line of code in the body of the using block (or any other block). The situation is especially interesting if the many occurrences of this structure are completely independent: they appear in classes with no common base class, they don't aggregate each other and so on. Let's assume that this is a common pattern in service methods within the whole system. Examples of Evil DRYing in this situation: Put a if or switch statement into the method to choose the line of code to execute. There are several reasons why this is not a good idea: The close coupling of the formerly independent implementation is the strongest. Also the readability of the code and the use of a parameter to control the logic. Put everything into a method which takes a delegate as argument to call. The caller just passes his "specific line of code" to this method. The code will be very unreadable. The same maintainability problems apply as for any "Code Repetition by Coincidence" situations. Enforce a base class to all the classes where this pattern appears and use the template method pattern. It's the same readability and maintainability problem as above, but additionally complex and tightly coupled because of the base class. I would call this "Inheritance by Coincidence" which will not lead to great software design. What can you do against it: Ideally, the individual line of code is a call to a class or interface, which could be made individual by inheritance. If this would be the case, it wouldn't be a problem at all. I assume that it is no such a trivial case. Consider to refactor the error concept to make error handling easier. The last but not worst option is to keep the replications. Some pattern of code must be maintained in consistency, there is nothing we can do against it. And no reason to make it unreadable. Conclusion The DRY-principle is an important and basic principle every software developer should master. The key is to identify the "pieces of knowledge". There is code which can't be reused easily because of technical reasons. This requires quite a bit flexibility and creativity to make code simple and maintainable. It's not the problem of the principle, it is the problem of blindly applying a principle without understanding the problem it should solve. The result is mostly much worse then ignoring the principle.

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  • Average SPA weight [on hold]

    - by Emmanuel Istace
    First, sorry my noobs questions, but I'm mainly Windows Developer and not Web Developer :) I'm developing a single page application with a lot of css & javascript. For now the page is 1.3Mo composed by 5 section. Here are the rounded stats : Document : 10kb Style : 60kb Images : 450 kb (already compressed, include a big gallery thumbnails) Javascript : 700kb - 600kb of "framework" (jquery, jquery-ui, boostrap, modernizer, waypoint, ...) and 100kb of custom js. Fonts : 125kb And the site is not finished yet. (Will include gmap api, and some others...) My questions are : Do you have any statistics about the average weight of an SPA ? As this is the whole website, do you think it's acceptable ? Is lazy load (for images) a solution ? What will be impact for SEO ? Is the "200kb rule" of google still relevant ? Do you know great tools to detect which javascript code is not used during the the exection of a page and then the availability to optimize these 700kb of framework js stuffs ? Can a caching strategy be an answer ? Thank you in advance for you help ! Best regards

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  • iOS: Using Jenkins for nightly internal builds (TestFlight), plus frequent client builds

    - by Amy Worrall
    I'm an iOS dev, working for a small agency. I'm currently on a few smaller projects where I'm the only developer. We recently acquired a Jenkins server, but each project is left to fend for themselves as for how to use it. I'd like to use it for making and distributing builds. My ideal would be: Every commit is built as a single IPA that is placed in a HTTP-accessible location. (It only needs to keep the latest one, otherwise the disk would fill up — some of our apps are 500MB or more.) Once a day it makes a build, signs it with our internal provisioning profile, tacks a build number onto the end of the version number, and sends it to our internal TestFlight team. When manually prompted, it builds the latest commit, gives it a manually specified version number, signs it with the client's provisioning profile and sends it to TestFlight. I'm pretty new to Jenkins. The developer who set up the server is running it on one of our projects, so I know it has the right stuff installed to do Xcode builds. I believe he's only using it to run unit tests though, not to do any of the code signing, IPA creation or TestFlight stuff. So my questions: I've listed three distinct kinds of build. How does Jenkins cope with that? I see there's a "build triggers" section in the config for a Jenkins project, but it doesn't seem to mention different types of build. Should I just set up multiple Jenkins projects, called "App X (continuous)", "App X (nightly)" and "App X (client)"? How do I specify the provisioning profile through Jenkins? If there isn't a way, I guess I could make different configurations in the Xcode project… Has anyone else used Jenkins to actually do the release (i.e. build and push to TestFlight) of beta builds of their apps? Is it a good idea? Or should I continue just doing it manually?

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  • Using Scrum on small projects where Owner doesn't want to be involved

    - by Andrej Mohar
    Recently I've been reading and learning quite a lot about scrum and I like it a lot. However, I do have a couple of likely scenarios in my head to which I don't know the solution. So let's say that I might want to organize an agile team of (for instance) four web developers (one of them UI/UX designer). This team would operate on scrum principles. Initially we would probably be working on projects like landing pages for ordinary people's small businesses, like renting apartments, selling cookies... Such customers simply can't be set with Product Owner role (IMHO), because they usually expect to hire a company, give them the overall project goal with some details, and then expect the job to be done (including a lot of decision making) with as little of their involvement as possible (in their opinion, they have more important things to do). Let's say I'd like to engage myself in a developer/scrum master role (I know that even that is debatable, being a team member and scrum master at once), so I simply shouldn't take the role of the product owner as well. So as for my questions: If I'm my company's business owner, do I simply need to be a product owner as well (do these roles include each other)? Can I employ a sales person which might have the product owner role? Would it be better if it is an experienced developer instead of a sales person? Is this even a smart move? Lastly, is there another agile approach that might better suit my position? EDIT: Thank you everyone for good inputs. I added some comments, any aditional info will be greatly appreciated.

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  • links for 2010-06-17

    - by Bob Rhubart
    Live Webcast: Alcatel-Lucent Delivers Modern Customer User Experience with New Interactive Portal Saeed Hosseiniyar (CIO of Alcatel-Lucent’s Enterprise Products Group) and Andy MacMillan  (VP of Product Management for Oracle’s Enterprise 2.0 Solutions) discuss how  Alcatel used Oracle’s Enterprise 2.0 solutions to build a community and  give customers a rich interactive experience. (tags: oracle otn webcast enterprise2.0) Up Next, More Browser Tools for WebCenter Sharing | The AppsLab On the heels of our bookmarklet for sharing to WebCenter, today we were designing another other way to help people interact with WebCenter from the browser (tags: ping.fm oracle e20) BPM 11gR1 now available on Amazon EC2 "This is a fully configured image which requires absolutely no installation and lets you get hands on experience with the software within minutes," says  Prasen Palvankar. "This image has all the required software installed and configured." (tags: oracle otn bpm amazon ec2) Webcast: Introducing Next-Generation Business Process Management Hasan Rizvi, Senior Vice President, Oracle Product Development, discusses innovations in Oracle's new BPM Suite 11g in this webcast. (tags: oracle otn webcast bpm) Tim Pinchetti: Architecture as a navigation system "Metaphors have value in communicating different aspects of architecture. So I’d like to explore different perspectives on architecture using different metaphors, starting with: navigation!" -- Tim Pinchetti  (tags: architecture enterprisearchitecture entarch) Oracle Fusion Middleware Innovation Awards 2010 Nominate your organization today for a chance to be recognized for your cutting-edge solution using Oracle Fusion Middleware products. (tags: oracle openworld fusionmiddleware innovation) Oracle OpenWorld Key Financials Sessions Theresa Hickman with highlights on the some of the 70 financial sessions scheduled for Oracle Open World,  crossing all the financials product lines: e-Business Suite, JD Edwards, PeopleSoft, and Fusion. (tags: oracle otn openworld financials) Liberate Your Laptops! The Return of Virtual Developer Day Details on the upcoming Oracle Technology Network Virtual Developer Day - Tuxedo. (English-language version scheduled for July 27th.)  (tags: oracle tuxedo virtualbox otn) Webcast: Effective Smart Data Grid Management David Haak (Accenture), Brad Williams (Oracle), and Chris Foretich (Southern) discuss the strategy behind and the application of smart data grid technology in this on-demand webcast.  (tags: ping.fm oracle bpm)

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