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• Minimizing Dependencies For GUIs

  - by tuba09

  I've been working on a project, and have been charged with designing the projects GUI front-end. I'm coding in Java and using the Swing toolkit. Usability-wise, the GUI front-end follows all of Nielsen's heuristics. Users can easily get to where they want to go through the click of a button / JComboBox. Essentially, in Swing terms, what happens is their actions drive the creation/deletion of custom panels. The GUI is coming along fine for the most part. However, I have to admit to being utterly dismayed at the tight web of dependencies my code is being smothered in. The main problem that I've encountered, that I haven't been able to fix as of yet, is how to keep a reference to the panels/buttons being changed. I'll give an example: Say there's a button A Say there's a panel B displaying picture C Say there's another picture D (not currently being displayed by panel B) When user clicks A, panel B should remove picture C and display picture D My question is, what's the best way of keeping track of panel B? Since I need a global point of access to panel B, my solution has so far been to just shoehorn it into a static variable, and access it through a series of static getters and setters. And this static variable is usually stored in the reference's original class. I.e. UserPanel has a static variable that stores a reference to itself. Is there an easy, tried-and-true way of dealing with these kinds of situations? Like my GUI works fine, but it is not modular and/or robust at all. To add to this, the dreaded 'cyclical dependencies' issue that's shunned by so many programmers is out here in full effect. I'm fairly new to development and just want to make sure that my code will be fairly extensible and won't cause much of a headache to the next person that decides to get a try at it. I know there's loads of books out there that probably have a nice elegant solution to this, but unfortunately I just don't have the time to leisure read right now. I need something that's quick and dirty. Thanks in advance

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• What books would I recommend?

  - by user12277104

  One of my mentees (I have three right now) said he had some time on his hands this Summer and was looking for good UX books to read ... I sigh heavily, because there is no shortage of good UX books to read. My bookshelves have titles by well-read authors like Nielsen, Norman, Tufte, Dumas, Krug, Gladwell, Pink, Csikszentmihalyi, and Roam. I have titles buy lesser-known authors, many whom I call friends, and many others whom I'll likely never meet. I have books on Excel pivot tables, typography, mental models, culture, accessibility, surveys, checklists, prototyping, Agile, Java, sketching, project management, HTML, negotiation, statistics, user research methods, six sigma, usability guidelines, dashboards, the effects of aging on cognition, UI design, and learning styles, among others ... many others. So I feel the need to qualify any book recommendations with "it depends ...", because it depends on who I'm talking to, and what they are looking for.  It's probably best that I also mention that the views expressed in this blog are mine, and may not necessarily reflect the views of Oracle. There. I'm glad I got that off my chest. For that mentee, who will be graduating with his MS HFID + MBA from Bentley in the Fall, I'll recommend this book: Universal Principles of Design -- this is a great book, which in its first edition held "100  ways to enhance usability, influence perception, increase appeal, make better design decisions, and teach through design." Granted, the second edition expanded that number to 125, but when I first found this book, I felt like I'd discovered the Grail. Its research-based principles are all laid out in 2 pages each, with lots of pictures and good references. A must-have for the new grad. Do I have recommendations for a book that will teach you how to conduct a usability test? Yes, three of them. To communicate what we do to management? Yes. To create personas? Yep -- two or three. Help you with UX in an Agile environment? You bet, I've got two I'd recommend. Create an excellent presentation? Uh hunh. Get buy-in from your team? Of course. There are a plethora of excellent UX books out there. But which ones I recommend ... well ... it depends. 

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• Video on Architecture and Code Quality using Visual Studio 2012&ndash;interview with Marcel de Vries and Terje Sandstrom by Adam Cogan

  - by terje

  Find the video HERE. Adam Cogan did a great Web TV interview with Marcel de Vries and myself on the topics of architecture and code quality.  It was real fun participating in this session.  Although we know each other from the MVP ALM community,  Marcel, Adam and I haven’t worked together before. It was very interesting to see how we agreed on so many terms, and how alike we where thinking.  The basics of ensuring you have a good architecture and how you could document it is one thing.  Also, the same agreement on the importance of having a high quality code base, and how we used the Visual Studio 2012 tools, and some others (NDepend for example)  to measure and ensure that the code quality was where it should be.  As the tools, methods and thinking popped up during the interview it was a lot of “Hey !  I do that too!”.  The tools are not only for “after the fact” work, but we use them during the coding.  That way the tools becomes an integrated part of our coding work, and helps us to find issues we may have overlooked.  The video has a bunch of call outs, pinpointing important things to remember. These are also listed on the corresponding web page. I haven’t seen that touch before, but really liked this way of doing it – it makes it much easier to spot the highlights.  Titus Maclaren and Raj Dhatt from SSW have done a terrific job producing this video.  And thanks to Lei Xu for doing the camera and recording job.  Thanks guys ! Also, if you are at TechEd Amsterdam 2012, go and listen to Adam Cogan in his session on “A modern architecture review: Using the new code review tools” Friday 29th, 10.15-11.30 and Marcel de Vries session on “Intellitrace, what is it and how can I use it to my benefit” Wednesday 27th, 5-6.15 The highlights points out some important practices.  I’ll elaborate on a few of them here: Add instructions on how to compile the solution.  You do this by adding a text file with instructions to the solution, and keep it under source control.  These instructions should contain what is needed on top of a standard install of Visual Studio.  I do a lot of code reviews, and more often that not, I am not even able to compile the program, because they have used some tool or library that needs to be installed.  The same applies to any new developer who enters into the team, so do this to increase your productivity when the team changes, or a team member switches computer. Don’t forget to document what you have to configure on the computer, the IIS being a common one. The more automatic you can do this, the better.  Use NuGet to get down libraries. When the text document gets more than say, half a page, with a bunch of different things to do, convert it into a powershell script instead.  The metrics warning levels.  These are very conservatively set by Microsoft.  You rarely see anything but green, and besides, you should have color scales for each of the metrics.  I have a blog post describing a more appropriate set of levels, based on both research work and industry “best practices”.  The essential limits are: Cyclomatic complexity and coupling:  Higher numbers are worse On method levels: Green :  From 0 to 10 Yellow:  From 10 to 20  (some say 15).   Acceptable, but have a look to see if there is something unneeded here. Red: From 20 to 40:   Action required, get these down. Bleeding Red: Above 40   This is the real red alert.  Immediate action!  (My invention, as people have asked what do I do when I have cyclomatic complexity of 150.  The only answer I could think of was: RUN! ) Maintainability index:  Lower numbers are worse, scale from 0 to 100. On method levels: Green:  60 to 100 Yellow:  40 – 60.    You will always have methods here too, accept the higher ones, take a look at those who are down to the lower limit.  Check up against the other metrics.) Red:  20 – 40:  Action required, fix these. Bleeding red:  Below 20.  Immediate action required. When doing metrics analysis, you should leave the generated code out.  You do this by adding attributes, unfortunately Microsoft has “forgotten” to add these to all their stuff, so you might have to add them to some of the code.  It most cases it can be done so that it is not overwritten by a new round of code generation.  Take a look a my blog post here for details on how to do that. Class level metrics might also be useful, at least for coupling and maintenance.  But it is much more difficult to set any fixed limits on those.  Any metric aggregations on higher level tend to be pretty useless, as the number of methods vary pretty much, and there are little science on what number of methods can be regarded as good or bad.  NDepend have a recommendation, but they say it may vary too.  And in these days of data binding, the number might be pretty high, as properties counts as methods.  However, if you take the worst case situations, classes with more than 20 methods are suspicious, and coupling and cyclomatic complexity go red above 20, so any classes with more than 20x20 = 400 for these measures should be checked over. In the video we mention the SOLID principles, coined by “Uncle Bob” (Richard Martin). One of them, the Dependency Inversion principle we discuss in the video.  It is important to note that this principle is NOT on whether you should use a Dependency Inversion Container or not, it is about how you design the interfaces and interactions between your classes.  The Dependency Inversion Container is just one technique which is based on this principle, but which main purpose is to isolate things you would like to change at runtime, for example if you implement a plug in architecture.  Overuse of a Dependency Inversion Container is however, NOT a good thing.  It should be used for a purpose and not as a general DI solution.  The general DI solution and thinking however is useful far beyond the DIC.   You should always “program to an abstraction”, and not to the concreteness.  We also talk a bit about the GRASP patterns, a term coined by Craig Larman in his book Applying UML and design patterns. GRASP patterns stand for General Responsibility Assignment Software Patterns and describe fundamental principles of object design and responsibility assignment.  What I find great with these patterns is that they is another way to focus on the responsibility of a class.  One of the things I most often found that is broken in software designs, is that the class lack responsibility, and as a result there are a lot of classes mucking around in the internals of the other classes.  We also discuss the term “Code Smells”.  This term was invented by Kent Beck and Martin Fowler when they worked with Fowler’s “Refactoring” book. A code smell is a set of “bad” coding practices, which are the drivers behind a corresponding set of refactorings.  Here is a good list of the smells, and their corresponding refactor patterns. See also this.

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• List of resources for database continuous integration

  - by David Atkinson

  Because there is so little information on database continuous integration out in the wild, I've taken it upon myself to aggregate as much as possible and post the links to this blog. Because it's my area of expertise, this will focus on SQL Server and Red Gate tooling, although I am keen to include any quality articles that discuss the topic in general terms. Please let me know if you find a resource that I haven't listed! General database Continuous Integration · What is Database Continuous Integration? (David Atkinson) · Continuous Integration for SQL Server Databases (Troy Hunt) · Installing NAnt to drive database continuous integration (David Atkinson) · Continuous Integration Tip #3 - Version your Databases as part of your automated build (Doug Rathbone) · How the "migrations" approach makes database continuous integration possible (David Atkinson) · Continuous Integration for the Database (Keith Bloom) Setting up Continuous Integration with Red Gate tools · Continuous integration for databases using Red Gate tools - A technical overview (White Paper, Roger Hart and David Atkinson) · Continuous integration for databases using Red Gate SQL tools (Product pages) · Database continuous integration step by step (David Atkinson) · Database Continuous Integration with Red Gate Tools (video, David Atkinson) · Database schema synchronisation with RedGate (Vincent Brouillet) · Database continuous integration and deployment with Red Gate tools (David Duffett) · Automated database releases with TeamCity and Red Gate (Troy Hunt) · How to build a database from source control (David Atkinson) · Continuous Integration Automated Database Update Process (Lance Lyons) Other · Evolutionary Database Design (Martin Fowler) · Recipes for Continuous Database Integration: Evolutionary Database Development (book, Pramod J Sadalage) · Recipes for Continuous Database Integration (book, Pramod Sadalage) · The Red Gate Guide to SQL Server Team-based Development (book, Phil Factor, Grant Fritchey, Alex Kuznetsov, Mladen Prajdic) · Using SQL Test Database Unit Testing with TeamCity Continuous Integration (Dave Green) · Continuous Database Integration (covers MySQL, Perason Education) Technorati Tags: SQL Server,Continous Integration

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• Favorite Programmer Quotes…

  - by SGWellens

    "A computer once beat me at chess, but it was no match for me at kick boxing." — Emo Philips   "There are only 10 types of people in the world, those who understand binary and those who don't. " – Unknown.   "Premature optimization is the root of all evil." — Donald Knuth   "I should have become a doctor; then I could bury my mistakes." — Unknown   "Code softly and carry a large backup thumb drive." — Me   "Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live." — Martin Golding   "DDE…the protocol from hell"— Charles Petzold   "Just because a thing is new don't mean that it's better" — Will Rogers   "The mark of a mature programmer is willingness to throw out code you spent time on when you realize it's pointless." — Bram Cohen   "A good programmer is someone who looks both ways before crossing a one-way street." — Doug Linder   "The early bird may get the worm but it's the second mouse that gets the cheese." — Unknown   I hope someone finds this amusing. Steve Wellens CodeProject

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• DDD Melbourne -lessons leant

  - by Michael Freidgeim

  I've attended DDD Melbourne and want to list the interesting points, that I've leant and want to follow. To read more: * Moles-Mocking Isolation framework for .NET. Documentation is here.   (See also Mocking frameworks comparison created October 4, 2009 ) * WebFormsMVP * PluralSight   http://www.pluralsight-training.net/offers/default.aspx?cc=trial   * ELMAH: Error Logging Modules and Handlers *Rhino.Mocks   * VS UI Test Recorder -see posts Visual Studio 2010 Coded UI Test User Guide. Note that Microsoft Test Manager (MTM) toolis a separate application, that can be started from Program files/VS 2010 menu.It is not a menu inside Visual Studio.   * CodeContract- seems great in Debug. Will be good if in production  will be possible runtime configuration, ability to log instead of throw exception. Current recommendation to customize Debug.Assert is not trivial The programmer is free to use the customization provided by Debug.Assert using assert listeners to obtain whatever runtime behavior they desire (e.g., ignoring the error, logging it, or throwing an exception).   // Clears the existing list of assert listener (the default pop-up box) System.Diagnostics.Debug.Listeners.Clear(); // Install your own listener System.Diagnostics.Debug.Listeners.Add(MyTraceListener); Note that you can't catch specific ContractException, but can catch generic Exception(see How come you cannot catch Code Contract exceptions?)   Books recommended "Working effectively with legacy code" by Michael Feathers (corresponding article)   Fowler, Martin Refactoring: Improving the Design of Existing Code, slides http://jaoo.dk/jaoo1999/schedule/MartinFowlerRefractoring.pdf

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• Tab Sweep: Arquillian, Power Mac, PowerPC, JSP Performance, JMX Connection, ...

  - by arungupta

  Recent Tips and News on Java, Java EE 6, GlassFish & more : • Extreme Portability: OpenJDK 7 and GlassFish 3.1.1 on Power Mac G5! (Mark Heckler) • Using GlassFish domain templates to easily create several customized domains (Masoud Kalali) • OpenJDK 7 on Apple G5 PowerPC on Mac OS X 10.5.8 (John Yeary) • ENABLING REMOTE ADMINISTRATION FOR GLASSFISH (Adam Bien) • The Java EE 7 Feature List: Cloud Focused Upgrades (devx) • Improve JavaServer Pages Performance with Caching (distributedcaching) • Interactive Glassfish configuration and application deployment (mpashworth) • Allow JMX connection on JVM 1.6.x (Martin Muller) • Arquillian 1.0.0.Final released! Ready for GlassFish and WebLogic! Death to all bugs! (Markus Eisele) • Using GlassFish and APEXListener as backend for Apache so server APEX (Ronald Rod) • Installing and running Eclipse, Glassfish and Ubuntu 12.04 Precise for Web Applications (Connected Web) • Java EE 6 and modular JAX-RS services (Parijat) • ARQUILLIAN CONFIGURATION FOR EMBEDDED GLASSFISH 3.1.2 AND MAVEN 3 (Adam Bien) • Atmosphere .9 released (JeanFrancois Arcand) • Make JSF your friend again (Daniel Pfeifer)

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• What are some respectable online colleges to get my BS in Software Engineering? [closed]

  - by Charity

  I have an AA in Social Science and want to earn my BS in Software Engineering. However, I work full time and have a family to support, so my only option is online. I'm really considering Colorado Technical University. They promote a program called Bachelor of Science in Software Engineering on their website and Google searches, however, while I'm filling out the application; the program is actually called Bachelor of Science in Information Technology with a concentration in Software Systems Engineering Specialization. This shoots up a red flag for me. I spent the past week looking online for all kinds of schools and would prefer to go to a "brick and mortar" school's online program, however those only seem to be for international students, which I am not. Living in Colorado Springs, CO (and being prior Army) there are tons of Government DOD contractors, Lockheed Martin, Boeing, etc... that need software engineers and I'm just not sure what school they would like to see me coming from. Not only a reputable school, but also one that has great programs and will teach me real world situations and actually prepare me for my career. I would greatly appreciate any and all information or help you can offer.

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• GWB | Got Geekswithblogs Suggestions? Try UserVoice

  - by Staff of Geeks

  We have struggled in the past with different approaches of getting feedback from you as bloggers.  We really want to know what you would like to see, what other systems have that is helpful, and where we need to grow.  This community is made up of many different individuals so the system for feedback needed a voting or liking tool for us to gage what was a popular thought or just one guys request.  We would love to put every request in, but that would make the system function for some and unusable for others. This is where UserVoice comes in.  In a suggestion of features, Martin Hinshelwood suggested we give UserVoice a chance.  He had used it with other projects and sites and thought it would be a good feedback tool for Geekswithblogs.net.  We tried it out and agreed.  Give it a try and let us know what you want to see on Geekswithblogs.net and vote on other suggestions.  Feedback is key to the success of this community and we would love to hear what you have to say.   UserVoice for Geekswithblogs.net Feedback   Technorati Tags: UserVoice,Geekswithblogs,Feedback,Community

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• Oracle Linux at DOAG 2012 Conference in Nuremberg, Germany (Nov 20th-22nd)

  - by Lenz Grimmer

  This week, the DOAG 2012 Conference, organized by the German Oracle Users Group (DOAG) takes place in Nuremberg, Germany from Nov. 20th-22nd. There will be several presentations related to Oracle Linux, Oracle VM and related infrastructure (including a dedicated MySQL stream on Tue+Wed). Here are a few examples picked from the infrastructure stream of the schedule: Tuesday, Nov. 20th 10:00 - Virtualisierung, Cloud und Hosting - Kriterien und Entscheidungshilfen - Harald Sellmann, its-people Frankfurt GmbH, Andreas Wolske, managedhosting.de GmbH 14:00 - Virtual Desktop Infrastructure Implementierungen und Praxiserfahrungen - Björn Rost, portrix Systems GmbH 15:00 - Oracle Linux - Best Practices und Nutzen (nicht nur) für die Oracle DB - Manuel Hoßfeld, Lenz Grimmer, Oracle Deutschland 16:00 - Mit Linux Container Umgebungen effizient duplizieren - David Hueber, dbi services sa Wednesday, Nov. 21st 09:00 - OVM 3 Features und erste Praxiserfahrungen - Dirk Läderach, Robotron Datenbank-Software GmbH 09:00 - Oracle VDI Best Practice unter Linux - Rolf-Per Thulin, Oracle Deutschland 10:00 - Oracle VM 3: Was nicht im Handbuch steht... - Martin Bracher, Trivadis AG 12:00 - Notsystem per Virtual Box - Wolfgang Vosshall, Regenbogen AG 13:00 - DTrace - Informationsgewinnung leicht gemacht - Thomas Nau, Universität Ulm 13:00 - OVM x86 / OVM Sparc / Zonen und co. - Bertram Dorn, Oracle Deutschland Thursday, Nov. 22nd 09:00 - Oracle VM 3.1 - Wie geht's wirklich? - Manuel Hoßfeld, Oracle Deutschland, Sebastian Solbach, Oracle Deutschland 13:00 - Unconference: Oracle Linux und Unbreakable Enterprise Kernel - Lenz Grimmer, Oracle Deutschland 14:00 - Experten-Panel OVM 3 - Björn Bröhl, Robbie de Meyer, Oracle Corporation 14:00 - Wie patcht man regelmäßig mehrere tausend Systeme? - Sylke Fleischer, Marcel Pinnow, DB Systel GmbH 16:00 - Wo kommen denn die kleinen Wolken her? OVAB in der nächsten Generation - Marcus Schröder, Oracle Deutschland On a related note: if you speak German, make sure to subscribe to OLIVI_DE - Oracle LInux und VIrtualisierung - a German blog covering topics around Oracle Linux, Virtualization (primarily with Oracle VM) as well as Cloud Computing using Oracle Technologies. It is maintained by Manuel Hoßfeld and Sebastian Solbach (Sales Consultants at Oracle Germany) and will also include guest posts by other authors (including yours truly).

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• DON'T MISS THE ORACLE LINUX GENERAL SESSION @ORACLE OPENWORLD

  - by Zeynep Koch

  We have had great sessions today at Openworld but tomorrow will be even better. The session that you should not miss is : Tuesday, Oct 2nd : General Session: Oracle Linux Strategy and Roadmap   10:15am, Moscone South #103   Wim Coekaerts, Sr.VP, Oracle Linux and Virtualization Engineering will talk about what Oracle Linux strategy and what is coming in the next 12 months. This is one session you should not miss and people are already registering. Stop by to hear Wim and ask questions about Linux development Top Technical Tips for Automatic and Secure Oracle Linux Deployments,  11:45am, Moscone South # 270 In this session, you will hear about deployment best practices and tips from Lenz Grimmer from Oracle and two Linux customers, Martin Breslin from SEI and Ed Bailey from Transunion talk about their experiences and insights Why Switch to Oracle Linux?, 3:30pm, Moscone South #270 In this session you will learn why Oracle Linux is best for your enterprise. There will be an Oracle speaker and Mike Radomski from SUNY talk about why they chose Oracle Linux. Please also visit the Oracle Linux Pavilion. If you stop by in one of our Partners booth you can be in the drawing for this beautiful, plush penguin. See you all tomorrow.

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• How far to go with Domain Driven Design?

  - by synti

  I've read a little about domain driven design and the usage of a rich domain model, as described by Martin Fowler, and I've decided to put it in practice in a personal project, instead of using transaction scripts. Everything went fine until UI implementation started. The thing is some views will use rich components that are backed up by unusual models and, thus, I must transform the domain model into what is used by those components. And that transformation is specially "complex" in the view-to-domain portion, up to the point that some business logic is involved. Wich brings me to the questioning: where should I do these adaptations? So far I've got the following conclusions: Doing it in the presentation layer is good because, well, if that layer imposes restrictions in it's model, then it should be the one to handle them. But it's bad because there'll be some business leakage. If I do it on the services objects (controllers, actions, whatever), then it'd be good because there won't be any change to the domain API just because of presentation layer, but it's bad because then I'd have transaction scripts, wich is not the intended design. Finally, if I do it on the domain model, there'd be no leakage of business logic at all. But in the future I could expect an explosion of the API into a series of methods designed just to handle that view-model <- domain-model adaptation. I hope I could make myself clear on this.

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• Bad Spot to Be In: Playing Catch-up with Mobile Advertising

  - by Mike Stiles

  You probably noticed, there’s a mass migration going on from online desktop/laptop usage to smartphone/tablet usage.  It’s an indicator of how we live our lives in the modern world: always on the go, with no intention of being disconnected while out there. Consequently, paid as it relates to mobile advertising is taking the social spotlight. eMarketer estimated that in 2013, US adults would spend about 2 hours, 21 minutes a day on mobile, not counting talking time. More people in the world own smartphones than own toothbrushes (bad news I suppose if you’re marketing toothpaste). They’re using those mobile devices to access social networks, consuming at least 17% of their mobile time on them. Frankly, you don’t need a deep dive into mobile usage stats to know what’s going on. Just look around you in any store, venue or coffee shop. It’s really obvious…our mobile devices are now where we “are,” so that’s where marketers can increasingly reach us. And it’s a smart place for them to do just that. Mobile devices can be viewed more and more as shopping facilitators. Usually when someone is on mobile, they are not in passive research mode. They are likely standing near a store or in front of a product, using their mobile to seek reassurance that buying that product is the right move. They are the hottest of hot prospects. Consider that 4 out of 5 consumers use smartphones to shop, 52% of Americans use mobile devices for in-store for research, 70% of mobile searches lead to online action inside of an hour, and people that find you on mobile convert at almost 3x the rate as those that find you on desktop or laptop. But what are marketers doing? Enter statistics from Mary Meeker’s latest State of the Internet report. Common sense says you buy advertising where people are spending their eyeball time, right? But while mobile is 20% of media use and rising, the ad spend there is 4%. Conversely, while print usage is at 5% and falling, ad spend there is 19%. We all love nostalgia, but come on. There are reasons marketing dollar migration to mobile has not matched user migration, including the availability of mobile ad products and the ability to measure user response to mobile ads. But interesting things are happening now. First came Facebook’s mobile ad, which let app developers pay to get potential downloads. Then their mobile ad network was announced at F8, allowing marketers to target users across non-Facebook apps while leveraging the wealth of diverse data Facebook has on those users, a big deal since Nielsen has pointed out mobile apps make up 89% of the media time spent on mobile. Twitter has a similar play in motion with their MoPub acquisition. And now mobile deeplinks have arrived, which can take users straight to sub-pages of mobile apps for a faster, more direct shopper/researcher user experience. The sooner the gratification, the smoother and faster the conversion. To be clear, growth in mobile ad spending is well underway. After posting $13.1 billion in 2013, Gartner expects global mobile ad spending to reach $18 billion this year, then go to $41.9 billion by 2017. Cheap smartphones and data plans are spreading worldwide, further fueling the shift to mobile. Mobile usage in India alone should grow 400% by 2018. And, of course, there’s the famous statistic that mobile should overtake desktop Internet usage this year. How can we as marketers mess up this opportunity? Two ways. We could position ourselves in perpetual “catch-up” mode and keep spending ad dollars where the public used to be. And we could annoy mobile users with horrid old-school marketing practices. Two-thirds of users told Forrester they think interruptive in-app ads are more annoying than TV ads. Make sure your brand’s social marketing technology platform is delivering a crystal clear picture of your social connections so the mobile touch point is highly relevant, mobile optimized, and delivering real value and satisfying experiences. Otherwise, all we’ve done is find a new way to be unwanted. @mikestiles @oraclesocialPhoto: Kate Mallatratt, freeimages.com

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• In the Aggregate: How Will We Maintain Legacy Systems?

  - by Jim G.

  NEW YORK - With a blast that made skyscrapers tremble, an 83-year-old steam pipe sent a powerful message that the miles of tubes, wires and iron beneath New York and other U.S. cities are getting older and could become dangerously unstable. July 2007 Story About a Burst Steam Pipe in Manhattan We've heard about software rot and technical debt. And we've heard from the likes of: "Uncle Bob" Martin - Who warned us about "the consequences of making a mess". Michael C. Feathers - Who gave us guidance for 'Working Effectively With Legacy Code'. So certainly the software engineering community is aware of these issues. But I feel like our aggregate society does not appreciate how these issues can plague working systems and applications. As Steve McConnell notes: ...Unlike financial debt, technical debt is much less visible, and so people have an easier time ignoring it. If this is true, and I believe that it is, then I fear that governments and businesses may defer regular maintenance and fortification against hackers until it is too late. [Much like NYC and the steam pipes.] My Question: Do you share my concern? And if so, is there a way that we can avoid the software equivalent of NYC and the steam pipes?

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• Oracle HCM User Group (OHUG) 2012 Conference

  - by Maria Ana Santiago

  The PeopleSoft HCM team is looking forward to a great OHUG conference and to meeting with our PeopleSoft HCM Customers there! The OHUG Global Conference 2012 will be held at the Mirage in Las Vegas, Nevada, June 18-22, 2012. With Oracle Corporation's continued support of the Global OHUG Conference, this event is one of the best opportunities PeopleSoft HCM Customers have to interact and communicate directly with PeopleSoft Strategy, Development and Support and understand the entire Oracle HCM opportunities that await. PeopleSoft HCM has 10 exciting sessions and several Meet the Experts sessions planned to highlight the value and opportunities with PeopleSoft applications. For details on the PeopleSoft HCM tracks and sessions please visit the OHUG Session Line Up page. PeopleSoft HCM will be offering an annual General Roadmap session by Tracy Martin and multiple Product specific sessions. Our PeopleSoft HCM General session will provide very valuable information on our continuous delivery strategy and upcoming HCM 9.2 release and beyond. Tracy will also address opportunities that await PeopleSoft customers with co-exist opportunities with Fusion, Taleo, Oracle BI and more. Our Product Roadmap sessions will go into product specific areas providing roadmap information for the corresponding product domains. There will also be a PeopleTools Roadmap and Vision session that will let Customers see what is new in PeopleTools and what is planned for the future. And last, but not least, PeopleSoft will be holding the annual Meet the Experts sessions. Customers who want to have focused discussions on specific areas or products can meet with PeopleSoft Strategy, Development and Support teams who will be available to discuss product features and answer Customers' questions. Don’t miss this opportunity! If you are a PeopleSoft HCM Customer, join us at OHUG! Look forward to seeing you there.

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• OBIEE 11g 11.1.1.6.11 is Available For BI Enterprise and Exalytics

  - by p.anda

  (in via Ian & Martin) OBIEE 11g 11.1.1.6.11 is Available For BI Enterprise and Exalytics The Business Intelligence Enterprise Edition 11.1.1.6.11 patch set has been released and is available to download from My Oracle Support (https://support.oracle.com).Per the patch readme: This patch set is available for all customers who are using Oracle Business Intelligence Enterprise Edition 11.1.1.6.0, 11.1.1.6.1, 11.1.1.6.2, 11.1.1.6.2 BP1, 11.1.1.6.4, 11.1.1.6.5, 11.1.1.6.6, 11.1.1.6.7, 11.1.1.6.8, 11.1.1.6.9 and 11.1.1.6.10. Oracle Exalytics customers must only install this Oracle Business Intelligence patch set if it is certified for the specific Oracle Exalytics patch or patch set update that they are applying. For more information see Oracle Fusion Middleware Installation and Administration Guide for Oracle Exalytics In-Memory Machine and the Oracle Exalytics certification information. The Oracle Business Intelligence 11.1.1.6.11 patch set is comprised of the following patches: Patch 16747681 - 1 of 7 Oracle Business Intelligence Installer (BIINST)Patch 16747684 - 2 of 7 Oracle Real Time Decisions (RTD)Patch 16747692 - 3 of 7 Oracle Business Intelligence Publisher (BIP)Patch 16747699 - 4 of 7 Oracle Business Intelligence ADF Components (BIADFCOMPS)Patch 16747703 - 5 of 7 Enterprise Performance Management Components Installed from BI Installer 11.1.1.6.x (BIFNDNEPM)Patch 16717325 - 6 of 7 Oracle Business Intelligence: (OBIEE)Patch 16747708 - 7 of 7 Oracle Business Intelligence Platform Client Installers and MapViewer Note: - The Readme files for the above patches describe the bugs fixed in each patch, and any known bugs with the patch.- This patch is cumulative, and therefore, contains all of the fixes included in the earlier 11.1.1.6.2, 11.1.1.6.4, 11.1.1.6.5, 11.1.1.6.6, 11.1.1.6.7, 11.1.1.6.8, 11.1.1.6.9 and 11.1.1.6.10 patch sets.- However, lists of fixes from included patch sets need to be looked up in the respective patches' readme files, and are not included in the above patches' readme files.- The instructions to apply the above patches are identical, and are contained in the readme file for patch 16747681.- Please bear in mind, that the readme states to apply patch 13952743 for JDeveloper, too.

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• Learn to Take a Punch, Learn to Counter, Keep Moving Forward

  - by D'Arcy Lussier

  Originally posted on: http://geekswithblogs.net/dlussier/archive/2013/10/28/154483.aspxDuring a boxing workout a few months ago our trainer had us do something called “breadbaskets”. That’s where you hold your arms up and a partner punches you in your midsection – your breadbasket. I put my arms up, and braced for impact. The trainer came over, saw I was a bit nervous, and coached me through. I can see the fear in your eyes. Don’t be afraid to take the punch. Tighten your core, breathe through the hit. Don’t panic. Over the summer we’d do counter drills as well. This is where a partner throws a punch, you defend but also throw one back – a counter punch. You never just sit back and take a beating, you deflect the blow and come back with one more powerful. These lessons on fighting can apply to all aspects of our lives and any attempts at success that we have. I saw this image recently and agree with it 100%: Success is never a straight forward line. It’s messy, its wrought with failures, its learning over time and applying those life lessons. It’s learning how to take punches and lose your fear, its seeing a punch coming and countering it, but most of all its not giving up and continually moving forward. We do stairs at boxing, which is running up and down three flights of stairs. I’m not anywhere near incredible shape and after doing multiple stairs in a single workout you can feel gassed, tired, even discouraged after hitting the second floor and seeing everyone else running by you. I read a quote from Martin Luther King Jr. that I cling to throughout my day: You want to be successful? Take the punches, but learn how to take them. Counter them. and no matter what, always move forward.

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• OBIEE Version 11.1.1.7.140527 Now Released

  - by Lia Nowodworska - Oracle

  (in via Martin) The Oracle Business Intelligence Enterprise Edition (OBIEE) 11g 11.1.1.7.140527 Bundle Patch is now available to download via My Oracle Support | Patches & Updates. This is provided as single Bundle Patch  Patch  18507268 and is comprised of the following: Patch 16913445 - 1 of 8 Oracle BI Installer (BIINST) Patch 18507640 - 2 of 8 Oracle BI Publisher (BIP) Patch 18657616 - 3 of 8 EPM Components Installed from BI Installer 11.1.1.7.0 (BIFNDNEPM) Patch 18507802 - 4 of 8 Oracle BI Server (BIS) Patch 18507778 - 5 of 6 Oracle BI Presentation Services (BIPS) Patch 17300045 - 6 of 8 Oracle Real-Time Decisions (RTD) Patch 16997936 - 7 of 8 Oracle BI ADF Components (BIADFCOMPS) Patch 18507823 - 8 of 8 Oracle BI Platform Client Installers and MapViewer NOTE: Also required to be downloaded: Patch 16569379 - Dynamic Monitoring Service patch This patch set is available for all customers who are using Oracle Business Intelligence Enterprise Edition 11.1.1.7.0, 11.1.1.7.1, 11.1.1.7.131017, 11.1.1.7.140114, 11.1.1.7.140225 and 11.1.1.7.140415 NOTE: It is also available for Exalytics customers who have applied the Exalytics PS3 patch. For more information refer to: OBIEE 11g 11.1.1.7.140527 Bundle Patch is Available for OBIEE ( Doc ID 1676798.1 ) The OBIEE Suite Bundle Patches are cumulative - the content of the previous 11.1.1.7.x bundle patches are included in this latest bundle patch. Ensure to review the Readme documentation for further important patch information.  This is available via the My Oracle Support | Patches & Updates screen when downloading. Keep up to-date with the latest OBIEE Patches and Patch Set Updates by visiting OBIEE 11g: Required and Recommended Patches and Patch Sets (Doc ID 1488475.1 )

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• Best of OTN - Week of August 17th

  - by CassandraClark-OTN

  Architect CommunityThe Top 3 most popular OTN ArchBeat video interviews of all time: Oracle Coherence Community on Java.net | Brian Oliver and Randy Stafford [October 24, 2013] Brian Oliver (Senior Principal Solutions Architect, Oracle Coherence) and Randy Stafford (Architect At-Large, Oracle Coherence Product Development) discuss the evolution of the Oracle Coherence Community on Java.net and how developers can actively participate in product development through Coherence Community open projects. Visit the Coherence Community at: https://java.net/projects/coherence. The Raspberry Pi Java Carputer and Other Wonders | Simon Ritter [February 13, 2014] Oracle lead Java evangelist Simon Ritter talks about his Raspberry Pi-based Java Carputer IoT project and other topics he presented at QCon London 2014. Hot Features in Oracle APEX 5.0 | Joel Kallman [May 14, 2014] Joel Kallman (Director, Software Development, Oracle) shares key points from his Great Lakes Oracle Conference 2014 session on new features in Oracle APEX 5.0. Friday Funny from OTN Architect Community Manager Bob Rhubart: Comedy legend Steve Martin entertains dogs in this 1976 clip from the Carol Burnette show. Database Community OTN Database Community Home Page - See all tech articles, downloads etc. related to Oracle Database for DBA's and Developers. Java Community JavaOne Blog - JRuby and JVM Languages at JavaOne!  In this video interview, Charles shared the JRuby features he presented at the JVM Language Summit. He'll be at JavaOne read the blog to see all the sessions. Java Source Blog - IoT: Wearables! Wearables are a subset of the Internet of Things that has gained a lot of attention. Learn More. I love Java FaceBook - Java Advanced Management Console demo - Watch as Jim Weaver, Java Technology Ambassador at Oracle, walks through a demonstration of the new Java Advanced Management Console (AMC) tool. Systems Community OTN Garage Blog - Why Wouldn't Root Be Able to Change a Zone's IP Address in Oracle Solaris 11? - Read and learn the answer. OTN Garage FaceBook - Securing Your Cloud-Based Data Center with Oracle Solaris 11 - Overview of the security precautions a sysadmin needs to take to secure data in a cloud infrastructure, and how to implement them with the security features in Oracle Solaris 11.

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• Jersey 2 Integrated in GlassFish 4

  - by arungupta

  JAX-RS 2.0 has released Early Draft 3 and Jersey 2 (the implementation of JAX-RS 2.0) released Milestone 5. Jakub reported that this milestone is now integrated in GlassFish 4 builds. The first integration has basic functionality working and leaves EJB, CDI, and Validation for the coming months. TOTD #182 explains how to get started with creating a simple Maven-based application, deploying on GlassFish 4, and using the newly introduced Client API to test the REST endpoint. GlassFish 4 contains Jersey 2 as the JAX-RS implementation. If you want to use Jersey 1.1 functionality, then Martin's blog provide more details on that. All JAX-RS 1.x functionality will be supported using standard APIs anyway. This workaround is only required if Jersey 1.x functionality needs to be accessed. Here are some pointers to follow JAX-RS 2 Specification Early Draft 3 Latest status on specification (jax-rs-spec.java.net) Latest JAX-RS 2.0 Javadocs Latest status on Jersey 2 (jersey.java.net) Latest Jersey API Javadocs Latest GlassFish 4.0 Promoted Build Follow @gf_jersey Provide feedback on Jersey 2 to [email protected] and JAX-RS specification to [email protected].

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• if/else statements or exceptions

  - by Thaven

  I don't know, that this question fit better on this board, or stackoverflow, but because my question is connected rather to practices, that some specified problem. So, consider an object that does something. And this something can (but should not!) can go wrong. So, this situation can be resolved in two way: first, with exceptions: DoSomethingClass exampleObject = new DoSomethingClass(); try { exampleObject.DoSomething(); } catch (ThisCanGoWrongException ex) { [...] } And second, with if statement: DoSomethingClass exampleObject = new DoSomethingClass(); if(!exampleObject.DoSomething()) { [...] } Second case in more sophisticated way: DoSomethingClass exampleObject = new DoSomethingClass(); ErrorHandler error = exampleObject.DoSomething(); if (error.HasError) { if(error.ErrorType == ErrorType.DivideByPotato) { [...] } } which way is better? In one hand, I heard that exception should be used only for real unexpected situations, and if programist know, that something may happen, he should used if/else. In second hand, Robert C. Martin in his book Clean Code Wrote, that exception are far more object oriented, and more simple to keep clean.

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• When does the "Do One Thing" paradigm become harmful?

  - by Petr

  For the sake of argument here's a sample function that prints contents of a given file line-by-line. Version 1: void printFile(const string & filePath) { fstream file(filePath, ios::in); string line; while (file.good()) { getline(file, line); cout << line << endl; } } I know it is recommended that functions do one thing at one level of abstraction. To me, though code above does pretty much one thing and is fairly atomic. Some books (such as Robert C. Martin's Clean Code) seem to suggest breaking the above code into separate functions. Version 2: void printLine(const string & line) { cout << line << endl; } void printLines(fstream & file) { string line; while (file.good()) { getline(file, line); printLine(line); } } void printFile(const string & filePath) { fstream file(filePath, ios::in); printLines(file); } I understand what they want to achieve (open file / read lines / print line), but isn't it a bit of overkill? The original version is simple and in some sense already does one thing - prints a file. The second version will lead to a large number of really small functions which may be far less legible than the first version. Wouldn't it be, in this case, better to have the code at one place? At which point does the "Do One Thing" paradigm become harmful?

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• sp_help

  - by David-Betteridge

  One of the nice things about SQL Server Management Studio (SSMS) is that you can highlight a table name in a script and press Alt + F1 to perform sp_help on it. Unfortunately I've never been able to use that feature as the majority of the tables in our product belong to a schema other than dbo.    On a long train journey back to York I wondered if I could solve this problem by writing my own replacement for sp_help (which I’ve called sp_help_table_schemas).  My version works by first checking the system tables to find out which schemas the table belongs to SELECT s.Name   --Find the schema FROM sys.schemas s  JOIN sys.tables t on t.schema_id = s.schema_id  WHERE t.name = 'Orders'It then dynamically calls the standard sp_help method but this time supplying the table owner as well.SET @cmd = 'EXEC sp_help ''' + QUOTENAME(@SchemaName) + '.' + QUOTENAME(@ObjectName) + ''' ;' ;           EXEC ( @cmd )Once I had proved the basics worked I wrapped it up into a stored procedure and deployed it to the master database on my laptop.  It was then just a question of going into Tools à Options within SSMS and defining the keyboard short cutA couple of notes You can’t amend the existing Alt+F1 entry to I went with Ctrl+F1.  You need to open new query window for the change to be picked upSo I can now highlight a table name and press Ctrl+F1 The completed script is attached.   Thanks go to Martin Bell who reviewed my stored procedure and give some valuable advice.

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• foobar2000 truncate media library

  - by MartinM

  Hi, I want to start using the media library feature of foobar2000 v1.0 and added one music folder, which contains a couple of subfolders with music of different albums. I restricted the filetypes to *.mp3;*.flac. Now my problem is that I don't want all albums/folders in my media library. But I can't seem to find an option to remove a particular album from the library. Do you have an idea what I can do? I thought about adding just the appropriate folders, but that would take a ages because one can only add one folder at a time :( Thanks -Martin

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• ASMLib

  - by wcoekaer

  Oracle ASMlib on Linux has been a topic of discussion a number of times since it was released way back when in 2004. There is a lot of confusion around it and certainly a lot of misinformation out there for no good reason. Let me try to give a bit of history around Oracle ASMLib. Oracle ASMLib was introduced at the time Oracle released Oracle Database 10g R1. 10gR1 introduced a very cool important new features called Oracle ASM (Automatic Storage Management). A very simplistic description would be that this is a very sophisticated volume manager for Oracle data. Give your devices directly to the ASM instance and we manage the storage for you, clustered, highly available, redundant, performance, etc, etc... We recommend using Oracle ASM for all database deployments, single instance or clustered (RAC). The ASM instance manages the storage and every Oracle server process opens and operates on the storage devices like it would open and operate on regular datafiles or raw devices. So by default since 10gR1 up to today, we do not interact differently with ASM managed block devices than we did before with a datafile being mapped to a raw device. All of this is without ASMLib, so ignore that one for now. Standard Oracle on any platform that we support (Linux, Windows, Solaris, AIX, ...) does it the exact same way. You start an ASM instance, it handles storage management, all the database instances use and open that storage and read/write from/to it. There are no extra pieces of software needed, including on Linux. ASM is fully functional and selfcontained without any other components. In order for the admin to provide a raw device to ASM or to the database, it has to have persistent device naming. If you booted up a server where a raw disk was named /dev/sdf and you give it to ASM (or even just creating a tablespace without asm on that device with datafile '/dev/sdf') and next time you boot up and that device is now /dev/sdg, you end up with an error. Just like you can't just change datafile names, you can't change device filenames without telling the database, or ASM. persistent device naming on Linux, especially back in those days ways to say it bluntly, a nightmare. In fact there were a number of issues (dating back to 2004) : Linux async IO wasn't pretty persistent device naming including permissions (had to be owned by oracle and the dba group) was very, very difficult to manage system resource usage in terms of open file descriptors So given the above, we tried to find a way to make this easier on the admins, in many ways, similar to why we started working on OCFS a few years earlier - how can we make life easier for the admins on Linux. A feature of Oracle ASM is the ability for third parties to write an extension using what's called ASMLib. It is possible for any third party OS or storage vendor to write a library using a specific Oracle defined interface that gets used by the ASM instance and by the database instance when available. This interface offered 2 components : Define an IO interface - allow any IO to the devices to go through ASMLib Define device discovery - implement an external way of discovering, labeling devices to provide to ASM and the Oracle database instance This is similar to a library that a number of companies have implemented over many years called libODM (Oracle Disk Manager). ODM was specified many years before we introduced ASM and allowed third party vendors to implement their own IO routines so that the database would use this library if installed and make use of the library open/read/write/close,.. routines instead of the standard OS interfaces. PolyServe back in the day used this to optimize their storage solution, Veritas used (and I believe still uses) this for their filesystem. It basically allowed, in particular, filesystem vendors to write libraries that could optimize access to their storage or filesystem.. so ASMLib was not something new, it was basically based on the same model. You have libodm for just database access, you have libasm for asm/database access. Since this library interface existed, we decided to do a reference implementation on Linux. We wrote an ASMLib for Linux that could be used on any Linux platform and other vendors could see how this worked and potentially implement their own solution. As I mentioned earlier, ASMLib and ODMLib are libraries for third party extensions. ASMLib for Linux, since it was a reference implementation implemented both interfaces, the storage discovery part and the IO part. There are 2 components : Oracle ASMLib - the userspace library with config tools (a shared object and some scripts) oracleasm.ko - a kernel module that implements the asm device for /dev/oracleasm/* The userspace library is a binary-only module since it links with and contains Oracle header files but is generic, we only have one asm library for the various Linux platforms. This library is opened by Oracle ASM and by Oracle database processes and this library interacts with the OS through the asm device (/dev/asm). It can install on Oracle Linux, on SuSE SLES, on Red Hat RHEL,.. The library itself doesn't actually care much about the OS version, the kernel module and device cares. The support tools are simple scripts that allow the admin to label devices and scan for disks and devices. This way you can say create an ASM disk label foo on, currently /dev/sdf... So if /dev/sdf disappears and next time is /dev/sdg, we just scan for the label foo and we discover it as /dev/sdg and life goes on without any worry. Also, when the database needs access to the device, we don't have to worry about file permissions or anything it will be taken care of. So it's a convenience thing. The kernel module oracleasm.ko is a Linux kernel module/device driver. It implements a device /dev/oracleasm/* and any and all IO goes through ASMLib - /dev/oracleasm. This kernel module is obviously a very specific Oracle related device driver but it was released under the GPL v2 so anyone could easily build it for their Linux distribution kernels. Advantages for using ASMLib : A good async IO interface for the database, the entire IO interface is based on an optimal ASYNC model for performance A single file descriptor per Oracle process, not one per device or datafile per process reducing # of open filehandles overhead Device scanning and labeling built-in so you do not have to worry about messing with udev or devlabel, permissions or the likes which can be very complex and error prone. Just like with OCFS and OCFS2, each kernel version (major or minor) has to get a new version of the device drivers. We started out building the oracleasm kernel module rpms for many distributions, SLES (in fact in the early days still even for this thing called United Linux) and RHEL. The driver didn't make sense to get pushed into upstream Linux because it's unique and specific to the Oracle database. As it takes a huge effort in terms of build infrastructure and QA and release management to build kernel modules for every architecture, every linux distribution and every major and minor version we worked with the vendors to get them to add this tiny kernel module to their infrastructure. (60k source code file). The folks at SuSE understood this was good for them and their customers and us and added it to SLES. So every build coming from SuSE for SLES contains the oracleasm.ko module. We weren't as successful with other vendors so for quite some time we continued to build it for RHEL and of course as we introduced Oracle Linux end of 2006 also for Oracle Linux. With Oracle Linux it became easy for us because we just added the code to our build system and as we churned out Oracle Linux kernels whether it was for a public release or for customers that needed a one off fix where they also used asmlib, we didn't have to do any extra work it was just all nicely integrated. With the introduction of Oracle Linux's Unbreakable Enterprise Kernel and our interest in being able to exploit ASMLib more, we started working on a very exciting project called Data Integrity. Oracle (Martin Petersen in particular) worked for many years with the T10 standards committee and storage vendors and implemented Linux kernel support for DIF/DIX, data protection in the Linux kernel, note to those that wonder, yes it's all in mainline Linux and under the GPL. This basically gave us all the features in the Linux kernel to checksum a data block, send it to the storage adapter, which can then validate that block and checksum in firmware before it sends it over the wire to the storage array, which can then do another checksum and to the actual DISK which does a final validation before writing the block to the physical media. So what was missing was the ability for a userspace application (read: Oracle RDBMS) to write a block which then has a checksum and validation all the way down to the disk. application to disk. Because we have ASMLib we had an entry into the Linux kernel and Martin added support in ASMLib (kernel driver + userspace) for this functionality. Now, this is all based on relatively current Linux kernels, the oracleasm kernel module depends on the main kernel to have support for it so we can make use of it. Thanks to UEK and us having the ability to ship a more modern, current version of the Linux kernel we were able to introduce this feature into ASMLib for Linux from Oracle. This combined with the fact that we build the asm kernel module when we build every single UEK kernel allowed us to continue improving ASMLib and provide it to our customers. So today, we (Oracle) provide Oracle ASMLib for Oracle Linux and in particular on the Unbreakable Enterprise Kernel. We did the build/testing/delivery of ASMLib for RHEL until RHEL5 but since RHEL6 decided that it was too much effort for us to also maintain all the build and test environments for RHEL and we did not have the ability to use the latest kernel features to introduce the Data Integrity features and we didn't want to end up with multiple versions of asmlib as maintained by us. SuSE SLES still builds and comes with the oracleasm module and they do all the work and RHAT it certainly welcome to do the same. They don't have to rebuild the userspace library, it's really about the kernel module. And finally to re-iterate a few important things : Oracle ASM does not in any way require ASMLib to function completely. ASMlib is a small set of extensions, in particular to make device management easier but there are no extra features exposed through Oracle ASM with ASMLib enabled or disabled. Often customers confuse ASMLib with ASM. again, ASM exists on every Oracle supported OS and on every supported Linux OS, SLES, RHEL, OL withoutASMLib Oracle ASMLib userspace is available for OTN and the kernel module is shipped along with OL/UEK for every build and by SuSE for SLES for every of their builds ASMLib kernel module was built by us for RHEL4 and RHEL5 but we do not build it for RHEL6, nor for the OL6 RHCK kernel. Only for UEK ASMLib for Linux is/was a reference implementation for any third party vendor to be able to offer, if they want to, their own version for their own OS or storage ASMLib as provided by Oracle for Linux continues to be enhanced and evolve and for the kernel module we use UEK as the base OS kernel hope this helps.

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