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  • MySQL Connect in 4 Days - Sessions From Users and Customers

    - by Bertrand Matthelié
    72 1024x768 Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Cambria","serif";} Let’s review today the conference sessions where users and customers will describe their use of MySQL as well as best practices. Remember you can plan your schedule with Schedule Builder. Saturday, 11.30 am, Room Golden Gate 7: MySQL and Hadoop—Chris Schneider, Ning.com Saturday, 1.00 pm, Room Golden Gate 7: Thriving in a MySQL Replicated World—Ed Presz and Andrew Yee, Ticketmaster Saturday, 1.00 pm, Room Golden Gate 8: Rick’s RoTs (Rules of Thumb)—Rick James, Yahoo! Saturday, 2.30 pm, Room Golden Gate 3: Scaling Pinterest—Yashwanth Nelapati and Evrhet Milam, Pinterest Saturday, 4.00 pm, Room Golden Gate 3: MySQL Pool Scanner: An Automated Service for Host Management—Levi Junkert, Facebook Sunday, 10.15 am, Room Golden Gate 3: Big Data Is a Big Scam (Most of the Time)—Daniel Austin, PayPal Sunday, 11.45 am, Room Golden Gate 3: MySQL at Twitter: Development and Deployment—Jeremy Cole and Davi Arnaut, Twitter Sunday, 1.15 pm, Room Golden Gate 3: CERN’s MySQL-as-a-Service Deployment with Oracle VM: Empowering Users—Dawid Wojcik and Eric Grancher, DBA, CERN Sunday, 2.45 pm, Room Golden Gate 3: Database Scaling at Mozilla—Sheeri Cabral, Mozilla Sunday, 5.45 pm, Room Golden Gate 4: MySQL Cluster Carrier Grade Edition @ El Chavo, Latin America’s #1 Facebook Game—Carlos Morales, Playful Play You can check out the full program here as well as in the September edition of the MySQL newsletter. Not registered yet? You can still save US$ 300 over the on-site fee – Register Now!

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  • Hex Dump using LINQ (in 7 lines of code)

    - by Fabrice Marguerie
    Eric White has posted an interesting LINQ query on his blog that shows how to create a Hex Dump in something like 7 lines of code.Of course, this is not production grade code, but it's another good example that demonstrates the expressiveness of LINQ.Here is the code:byte[] ba = File.ReadAllBytes("test.xml");int bytesPerLine = 16;string hexDump = ba.Select((c, i) => new { Char = c, Chunk = i / bytesPerLine })    .GroupBy(c => c.Chunk)    .Select(g => g.Select(c => String.Format("{0:X2} ", c.Char))        .Aggregate((s, i) => s + i))    .Select((s, i) => String.Format("{0:d6}: {1}", i * bytesPerLine, s))    .Aggregate("", (s, i) => s + i + Environment.NewLine);Console.WriteLine(hexDump); Here is a sample output:000000: FF FE 3C 00 3F 00 78 00 6D 00 6C 00 20 00 76 00000016: 65 00 72 00 73 00 69 00 6F 00 6E 00 3D 00 22 00000032: 31 00 2E 00 30 00 22 00 20 00 65 00 6E 00 63 00000048: 6F 00 64 00 69 00 6E 00 67 00 3D 00 22 00 75 00000064: 3E 00Eric White reports that he typically notices that declarative code is only 20% as long as imperative code. Cross-posted from http://linqinaction.net

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  • Register Today for Upcoming Oracle Solaris Events!

    - by Terri Wischmann
    Don't miss out on the exciting upcoming events around Oracle Solaris 11!  Register today for one or all of them - Check out the events below and Register Today! Please join us for the next Oracle Solaris Developer Webinar: "Simplify Your Development Environment with Zones, ZFS & More" on 04/10 @ 9am PT by Eric Reid (Principal Software Engineer) and Stefan Schneider (Chief Technologist ISV-Engineering) Register Now! Check out the upcoming Free OTN Sys Admin Day on April 10th on the Oracle Santa Clara Campus. Full Day of Hands on Labs Training, Demos, and Presentations.  Come learn about Oracle Solaris 11, Oracle Solaris Studio, Oracle Technology Network and Oracle Enterprise Linux! Register Now! Attend the Oracle Solaris 11 Technical Track at the NLUUG Conference in The Netherlands: April 11th, 2012  - This year, the conference will focus on Operating System innovations. Come learn about the innovations Oracle Solaris 11 brings, with technical deep-dive talks presented by Oracle experts. For more information including the agenda click here

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  • ArchBeat Link-o-Rama for December 13, 2012

    - by Bob Rhubart
    Key Takeaway Points and Lessons Learned from QCon San Francisco 2012 | Abel Avram Abel Avram's InfoQ article "summarizes the key takeaways from QConSF 2012, including blog entries written by editors and practitioner attendees for all keynotes, tracks and sessions along with aggregated twitter feedback during the event." Pick Bex's Deep Dive Talk for Collaborate 2013 | Bex Huff Bezzotech, Oracle ACE Director Bex Huff's outfit, is presenting a two-hour deep-dive session on ECM at Collaborate 13 in Denver in April. You can help to determine the focus of that session by submitting your ideas directly to Bex. Get the details in his blog post. E2.0 Workbench Podcast 10 – EBS Order Entry with Webcenter via BPEL and SOA Gateway | John Brunswick John Brunswick's latest E2.0 Workbench video tutorial illustrates how to "create a custom service, create a BPEL process that interacts with it and brokers authentication to the SOA Gateway, and finally consume the BPEL service in WebCenter to allow end users to place simple orders via an extranet. Oracle Fusion Middleware Security: Password Policy in OAM 11g R2 | Rob Otto Rob Otto continues the Oracle Fusion Middleware A-Team "Oracle Access Manager Academy" series with a detailed look at OAM's ability to support "a subset of password management processes without the need to use Oracle Identity Manager and LDAP Sync." Thought for the Day "Smart data structures and dumb code works a lot better than the other way around." — Eric Raymond Source: SoftwareQuotes.com

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  • ArchBeat Link-o-Rama for 2012-06-01

    - by Bob Rhubart
    Complexity of Social Computing - Is it a Consideration for EA's? | Pat Shepherd blogs.oracle.com Pat Shepherd asks, "Does Enterprise Architecture need to consider Social Computing in its scope?" Who should own the Enterprise Architecture? | Michael Glas blogs.oracle.com "Instead of looking at just who owns the architecture," suggests Michael Glas, "think about what the person/role/organization should do." The Application Architecture Domain | Michael Glas blogs.oracle.com Michael Glas asks—and answers: "As an Enterprise Architect, what do I need to consider when looking at/defining/designing the Application Architecture Domain?" CAP Twelve Years Later: How the "Rules" Have Changed | Eric Brewer www.infoq.com The CAP theorem asserts that any net­worked shared-data system can have only two of three desirable properties. How­ever, by explicitly handling partitions, designers can optimize consistency and availability, thereby achieving some trade-off of all three. Oracle DB with OEM in Amazon Cloud | Dr. Frank Munz www.munzandmore.com Dr. Frank Munz shares a video that screencast that explains "how to create an Oracle DB instance in AWS, how to enable OEM...and how to connect to your cloud instance with a local installation of NetBeans." Sample External Login.jsp page for Oracle Access Manager 11g | Brian Eidelman fusionsecurity.blogspot.com A-Team blogger Brian Eidelman expands on a previous post dealing with configuring OAM 11g to use an externally hosted custom login page. Bay Area Coherence Special Interest Group (BACSIG) Meeting June 7 coherence.oracle.com Date: Thursday, June 7, 2012 Time: 5:30pm – 9:00pm PT Where: Oracle Conference Center Room # 103 350 Oracle Parkway Redwood, Shores, CA Presentations: 6:00 p.m. - Coherence 101, The Evolution of Distributed Caching - Noah Arliss (Oracle) 7:00 p.m. - Optimizing Performance for Oracle Coherence and TopLink Grid at OOCL - Matt Rosen, Leo Limqueco (OOCL) 8:00 p.m. - Oracle Coherence Message Bus - Extreme Performance on Oracle Exalogic - Ballav Bihani (Oracle) Thought for the Day "I can't be left unsupervised." — Ron Wood (Born 06/01/1947 Source: Brainy Quote

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  • Should I create my own Assert class based on these reasons?

    - by Mike
    The main reason I don't like Debug.Assert is the fact that these assertions are disabled in Release. I know that there's a performance reason for that, but at least in my situation I believe the gains would outweigh the cost. (By the way, I'm guessing this is the situation in most cases). And yes, I know that you can use Trace.Assert instead. But even though that would work, I find the name Trace distracting, since I don't see this as tracing. The other reason to create my own class is laziness I guess, since I could write methods for the most usual cases like Assert.IsNotNull, Assert.Equals and so forth. The second part of my question has to do with using Environment.FailFast in this class. Would that be a good idea? I do like the ideas put forth in this document. That's pretty much where I got the idea from. One last point. Does creating a design like this imply having an untestable code path, as described in this answer by Eric Lippert on a different (but related) question?

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  • Decreasing Root Disk Size of an "EBS Boot" AMI on EC2

    - by darkAsPitch
    So I have followed Eric's wonderful article here: http://alestic.com/2009/12/ec2-ebs-boot-resize This was the code basically that helped me increase the default size of the AMI: ec2-run-sintances ami-ID -n 1 --key keypair.pem --block-device-mapping "/dev/sda1=:250" Running Ubuntu 11.10 I didn't even have to re-size the disk afterwards, it was immediately a 250GB drive. How do I go about decreasing the default size of the AMI??? I tried: ec2-run-sintances ami-ID -n 1 --key keypair.pem --block-device-mapping "/dev/sda1=:100" Obviously... but I was told: Client.InvalidBlockDeviceMapping: Volume of size 100GB is smaller than snapshot ####### <250

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  • OpenWorld Session: BPM Analytics - Process Dashboards, BAM and Intelligent Optimization

    - by Ajay Khanna
    Blog Contributed by Payal Srivastava, Oracle Product Mamagement   Margin of error for the business is shrinking dramatically. Business needs to accomplish more with less i.e. minimal investment with quick ROI. Learn how you can leverage Oracle BPM suite and complementary technologies to create a robust analytics capability to provide visibility into operations to  C-level executives and Operational managers. We will talk about BPM analytics options available today that will not only enhance the visibility but allow you to intelligently optimize the business process at design time as well as run time.  The session will share some exciting this on our roadmap.  Come meet with the Oracle team members  from Product Development (Avinash Dabholkar , Eric Hsiao) and Product Management (Payal Srivastava) at the session. We would like to hear  your questions/comments about  our offering and roadmap. BPM Analytics: Process Dashboards, BAM and Intelligent Optimization, Moscone South 308, 10/3/12 @11:45am – CON 8598

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  • ArchBeat Link-o-Rama for November 16, 2012

    - by Bob Rhubart
    X.509 Certificate Revocation Checking Using OCSP protocol with Oracle WebLogic Server 12c | Abhijit Patil Abhijit Patil's article focuses on how to use X.509 Certificate Revocation Checking Functionality with the OCSP protocol to validate in-bound certificates. Although this article focuses on inbound OCSP validation using OCSP, Oracle WebLogic Server 12c also supports outbound OCSP validation. Leveraging Oracle Scorecard and Strategy Management for Everyday BI Needs "Oracle Scorecard and Strategy Management (OSSM) is built-upon the premise that a scorecard system should not be separate from the BI system, like many comparable tools are today," says author Kevin McGinely. "Instead of a separate application with its own data, its own data definitions, and its own front-end, Oracle made the choice to integrate OSSM directly into OBIEE." Applying BI for personal productivity recognition and gamification | Capgemini Oracle Blog "It is quite obvious that if you want people to participate you need an appealing and intuitive user interface," says Capgemini's Henk Vermeulen in this interesting exploration of gamification in the enterprise. Build and release OSB projects with Maven | Edwin Biemond "With Maven we are able to build and deploy OSB projects," says Oracle ACE Edwin Biemond. "The artifacts generated by Maven called snaphosts and releases can be automatically uploaded to a software repository. These versioned OSB jars can then be downloaded by the OSB Servers and deployed." Biemond shows you how in this detailed technical post. ADF Generator for Dynamic ADF BC and ADF UI | Andrejus Baranovskis Oracle ACE Director Andrejus Baranovskis' post is an extension of his OOW12 presentation, "Oracle ADF Implementations Around the Globe: Best Practices," and includes the sample application he promised to share. Service-oriented organizations have a head start in the cloud race | ZDNet ZDNet SOA blogger Joe McKendrick offers a snapshot of a recent report Forrester analyst James Staten. Oracle Fusion Middleware Security: X509 Fallback to Form | Debasish BhattacharyaOracle Fusion Middleware A-Team architect Debasish Bhattacharya shares a solution that resulted from brainstorming with colleagues Chris Johnson and Brian Eidelman. "The solution is not very difficult," says Bhattacharya, "though it needs some additional configurations and coding." It's all presented in this detailed post. Agile Architecture | David Sprott "There is ample evidence that Agile Architecture is a primary contributor to business agility, yet we do not have a well understood architecture management system that integrates with Agile methods," observes David Sprott in this extensive post. Thought for the Day "Operating systems are like underwear — nobody really wants to look at them." — Bill Joy Source: SoftwareQuotes.com

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  • Oracle Manageability Presentations at Collaborate 2012

    - by Get_Specialized!
    Attending the Collaborate 2012 event, April 22-26th in Las Vegas, and interested in learning more about becoming specialized on Oracle Manageability? Be sure and checkout these sessions below presented by subject matter experts while your onsite. Set up a meeting or be one of the first Oracle Partners onsite to ask me, and we'll request one of the limited FREE Oracle Enterprise Manager 12c partner certification exam vouchers for you. Can't travel this year? the  COLLABORATE 12 Plug Into Vegas may be another option for you to attend from your own desk presentations like session #489 Oracle Enterprise Manager 12c: What's Changed? What's New? presented by Oracle Specialized Partners like ROLTA   Session ID Title Presented by Day/Time 920 Enterprise Manager 12c Cloud Control: New Features and Best Practices Dell Sun 9536 Release 12 Apps DBA 101 Justadba, LLC Mon 932 Monitoring Exadata with Cloud Control Oracle Mon 397 OEM Cloud Control Hands On Performance Tuning Mon 118 Oracle BI Sys Mgmt Best Practices & New Features Rittman Mead Consulting Mon 548 High Availability Boot Camp: RAC Design, Install, Manage Database Administration, Inc Mon 926 The Only Complete Cloud Management Solution -- Oracle Enterprise Manager Oracle Mon 328 Virtualization Boot Camp Dell Mon 292 Upgrading to Oracle Enterprise Manager 12c - Best Practices Southern Utah University Mon 793 Exadata 101 - What You Need to Know Rolta Tues 431 & 1431 Extreme Database Administration: New Features for Expert DBAs Oracle Tue Wed 521 What's New for Oracle WebLogic Management: Capabilities that Scripting Cannot Provide Oracle Thu 338 Oracle Real Application Testing: A look under the hood PayPal Tue 9398 Reduce TCO Using Oracle Application Management Suite for Oracle E-Business Suite Oracle Tue 312 Configuring and Managing a Private Cloud with Oracle Enterprise Manager 12c Dell Tue 866 Making OEM Sing and Dance with EMCLI Portland General Electric Tue 533 Oracle Exadata Monitoring: Engineered Systems Management with Oracle Enterprise Manager Oracle Wed 100600 Optimizing EnterpriseOne System Administration Oracle Wed 9565 Optimizing EBS on Exadata Centroid Systems Wed 550 Database-as-a-Service: Enterprise Cloud in Three Simple Steps Oracle Wed 434 Managing Oracle: Expert Panel on Techniques and Best Practices Oracle Partners: Dell, Keste, ROLTA, Pythian Wed 9760 Cloud Computing Directions: Understanding Oracle's Cloud AT&T Wed 817 Right Cloud: Use Oracle Technologies to Avoid False Cloud Visual Integrator Consulting Wed 163 Forgetting something? Standardize your database monitoring environment with Enterprise Manager 11g Johnson Controls Wed 489 Oracle Enterprise Manager 12c: What's Changed? What's New? ROLTA Thu    

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  • Looking for an easier Skype video chat alternative

    - by Paul
    Is there any software 'easier to use' than Skype - ie to get a video conversation going you have to turn on the computer, make sure the speakers are turned on, make sure the web cam is connected, make sure you click answer with Video... I would like to buy a 'single red button' which does all of the above. - Any recommendations? Update @Eric Koslow comment My original question title was "Is there any software/hardware 'easier to use' than Skype?" So the answer is not necessarily a computer running a program, although it might be. I realise Skype makes a good attempt at helping to ensure speakers and web cam are working and helps you to sort them out if they are not, and for a person who isnt computer phobic this should be enough. However I am interested if there is anything available that is 'easier' than this - ie I'm looking for my 'single' red button. ie the mobile phone with video call maybe the closest answer so far, but I would prefer something as 'free' as Skype is.

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  • Podcast Show Notes: Architect Meet-Up

    - by Bob Rhubart
    What happens when you get bunch of architects together and just let them talk? The latest ArchBeat Podcast features just such a conversation. The four participants in this conversation responded to a general invitation to my list of some three dozen Usual Suspects to join me on Skype for what I call a virtual meet-up. That conversation took place on March 20, 2012. The Participants Basheer Khan: Oracle ACE Director; Founder, President & CEO at Innowave Technology Lucas Jellema: Oracle ACE Director; CTO of AMIS Services Eric Stephens: a director of Enterprise Architecture at Oracle Derek Sharpe: director of Oracle’s Fusion Middleware Architecture Team The Conversation Listen to Part 1: Meeting the Mobile Challenge The conversation focuses on Oracle ADF Mobile and the challenges of defining a mobile strategy for the enterprise. Listen to Part 2: Mobile Security, Availability, and Usability (April 4) The conversation turns to the security, availability, and usability challenges in the evolution of the mobile enterprise. Listen to Part 3 Evolving Software Development Roles (April 11) The panel closes out the discussion with a look at the interplay between developers and architects, and the evolving nature of both roles.

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  • How do you automate a SharePoint 2010 deployment?

    - by Enrique Lima
    In the last couple of months SharePoint traffic (consulting, training and speaking) has picked up.  And with that also the requests for deployments.  There are good, great, bad and really bad things around this. But that is for another topic.  However part of the good and great has been the fact of organizations wanting to do a proof of concept deployment (even when WSS or MOSS has been deployed). We can go through a session (Microsoft has the SDPS concept, SharePoint Deployment Planning Services) of discovering what the customer wants to achieve from their investment in the platform and then also proceed to model the solution that would fit their needs.  But it should not stop there.  The next step should be a POC (as many have requested) to test out. Now, on to the meat of this post.  How do I deploy?  While it is a good process to watch and see all of it take place, not many have the time to sit through that.  Even more so, when that has been part of the description of deploying the platform in the sessions mentioned above. I will, though, break it into a deployment for development purposes and a deployment of a farm. Two tools (or scripts) for those two different types of deployment. First, let me address the development environment.  Around the last week in October, Chris Johnson (SharePoint Product Team) announced a SharePoint Easy Setup for Developers.  The kit itself will assist you in installing SharePoint Server (in standalone mode), the tools that go around Visual Studio, Expression Studio and the Office 2010 tools. Here is the link to Chris’ post: http://blogs.msdn.com/b/cjohnson/archive/2010/10/28/announcing-sharepoint-easy-setup-for-developers.aspx The other scenario is the use of a script in assisting you through the deployment of a farm. Now, this is not to override planning.  It should highlight the need for planning even more.  How?  Having your service accounts planned, the structure of the sites and the scale of your deployment.  Enter AutoSPInstaller.  This is a CodePlex project, and the intent behind this is not only to automate the installation but to give some meaning and get some sense out of what goes on during a SharePoint deployment. How?  Take for example the creation of the databases, when we do the initial OOB deployment by using the wizard, more times than not, we leave the names as they are.  How is that a “bad thing”?  Let’s make it a better practice to rename those Databases, and have them take on a name that is not “GUID-ized”. Having a better naming convention will not hurt, on the other hand will allow for consistency. Here is the link to AutoSPInstaller’s site on CodePlex: http://autospinstaller.codeplex.com/

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  • How to avoid throwing vexing exceptions?

    - by Mike
    Reading Eric Lippert's article on exceptions was definitely an eye opener on how I should approach exceptions, both as the producer and as the consumer. However, I'm still struggling to define a guideline regarding how to avoid throwing vexing exceptions. Specifically: Suppose you have a Save method that can fail because a) Somebody else modified the record before you, or b) The value you're trying to create already exists. These conditions are to be expected and not exceptional, so instead of throwing an exception you decide to create a Try version of your method, TrySave, which returns a boolean indicating if the save succeeded. But if it fails, how will the consumer know what was the problem? Or would it be best to return an enum indicating the result, kind of Ok/RecordAlreadyModified/ValueAlreadyExists? With integer.TryParse this problem doesn't exist, since there's only one reason the method can fail. Is the previous example really a vexing situation? Or would throwing an exception in this case be the preferred way? I know that's how it's done in most libraries and frameworks, including the Entity framework. How do you decide when to create a Try version of your method vs. providing some way to test beforehand if the method will work or not? I'm currently following these guidelines: If there is the chance of a race condition, then create a Try version. This prevents the need for the consumer to catch an exogenous exception. For example, in the Save method described before. If the method to test the condition pretty much would do all that the original method does, then create a Try version. For example, integer.TryParse(). In any other case, create a method to test the condition.

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  • Twitter Tuesday - Top 10 @ArchBeat Tweets - June 3-9, 2014

    - by OTN ArchBeat
    The Top 10 tweets from @OTNArchBeat for the last seven days. RT @DBAKevlar: #EM12c rel4 is out! Woohoo!! Jun 3, 2014 at 10:36 AM Top 10 Arch Community Articles for May 2014 >> props to @markrittman @kevin_mcginley @porushh et al Jun 4, 2014 at 12:52 PM Architecture of Analytics: @markrittman @kevin_mcginley >> Free OTN Virtual Tech Summit - July 9 Jun 4, 2014 at 09:13 AM My Top 10 Tweets - May 27 - June 2 #ADF #Essbase #FusionApps #Goldengate #Kscope14 #WebLogic. Jun 3, 2014 at 10:27 AM Starting and Stopping a #JavaEE Environment when using Oracle #WebLogic | Rene van Wijk #oracleace Jun 5, 2014 at 11:00 AM Video: #KScope14 Preview: @DebraLilley never stops moving, never stops learning. Jun 3, 2014 at 11:19 AM The OTNArchBeat Daily is out! Stories via @oraclebase Jun 9, 2014 at 01:47 PM Where did my MDB concurrency go? | Eric Gross #weblogic Jun 9, 2014 at 08:48 AM Exalogic Tech tips and code samples from A-Team architect Andrew Hopkinson Jun 6, 2014 at 11:47 AM The OTNArchBeat Daily is out! Stories via @KentGraziano @DBAKevlar @dbasolved Jun 3, 2014 at 01:48 PM adf, essbase,

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  • ArchBeat Link-o-Rama for November 6, 2012

    - by Bob Rhubart
    OAM/OVD JVM Tuning | @FusionSecExpert Vinay from the Oracle Fusion Middleware Architecture Group (the infamous A-Team) shares a process for analyzing and improving performance in Oracle Virtual Directory and Oracle Access Manager. Architects Matter: Making sense of the people who make sense of enterprise IT Why do architects matter? Oracle Enterprise Architect Eric Stephens suggests that you ask yourself that question the next time you take the elevator to the Oracle offices on the 45th floor of the Willis Tower in Chicago, Illinois (or any other skyscraper, for that matter). If you had to take the stairs to get to those offices, who would you blame? "You get the picture," he says. "Architecture is essential for any necessarily complex structure, be it a building or an enterprise." (Read the article...) SOA Galore: New Books for Technical Eyes Only Shake up up your technical skills with this trio of new technical books from community members covering SOA and BPM. Thought for the Day "It goes against the grain of modern education to teach students to program. What fun is there to making plans, acquiring discipline, organizing thoughts, devoting attention to detail, and learning to be self critical?" — Alan Perlis (April 1, 1922 – February 7, 1990) Source: SoftwareQuotes.com

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  • I'm a Subversion geek, why should I consider or not consider Mercurial or Git or any other DVCS?

    - by user2567
    I try to understand the benefits of distributed version control system (DVCS). I found Subversion Re-education and this article by Martin Fowler very useful. Mercurial and others DVCS promote a new way of working on code with changesets and local commits. It prevents from merging hell and other collaboration issues We are not affected by this as I practice continuous integration and working alone in a private branch is not an option, unless we are experimenting. We use a branch for every major version, in which we fix bugs merged from the trunk. Mercurial allows you to have lieutenants I understand this can be useful for very large projects like Linux, but I don't see the value in small and highly collaborative teams (5 to 7 people). Mercurial is faster, takes less disk space and full local copy allows faster logs & diffs operations. I'm not concerned by this either, as I didn't notice speed or space problems with SVN even with very large projects I'm working on. I'm seeking for your personal experiences and/or opinions from former SVN geeks. Especially regarding the changesets concept and overall performance boost you measured. UPDATE (12th Jan): I'm now convinced that it worth a try. UPDATE (12th Jun): I kissed Mercurial and I liked it. The taste of his cherry local commits. I kissed Mercurial just to try it. I hope my SVN Server don't mind it. It felt so wrong. It felt so right. Don't mean I'm in love tonight. FINAL UPDATE (29th Jul): I had the privilege to review Eric Sink's next book called Version Control by Example. He finished to convince me. I'll go for Mercurial.

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  • How do I move *all* the installed software on my EC2 isntance to EBS?

    - by drhyde
    I got started with Eric Hammond's great article over at http://aws.amazon.com/articles/1663 where he goes through installing MySQL and configuring it to use EBS. I got that going. I also have a lot of other stuff installed on that EC2 instance: Rails, a bunch of gems, Nginx+Passenger and so on - my understanding is that unless I explicitly configure it to use EBS, all of this sits on the EC2 instance's ephemeral storage - right? How can I move all the software I have installed to EBS - or better yet how can I set up such that going forward also any new gems etc that I install also go to the EBS volume?

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  • How to insert a list of data files(described in CSV file) from client location into database using PHP programming?

    - by Golam Mustafa
    We have some DVD. Each of them contain ---A CSV file containing some information about the documents. ---The list of pdf file(Scanned document). Example of CSV file Title,Author,FileName Design Document 0455, Eric Clipton,ds0455.pdf Tesign Document 0511,Johanson E,td0511.pdf I want to write PHP code that would read the CSV file , insert each information to database table as record. Can anybody help me to provide any idea about ---- How to select individual file from the client location on the basis of file name in the CSV file using PHP script. Thanks Golam

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  • Building The Right SharePoint Team For Your Organization

    - by Mark Rackley
    I see the question posted fairly often asking what kind SharePoint team an organization should have. How many people do I need? What roles do I need to fill? What is best for my organization? Well, just like every other answer in SharePoint, the correct answer is “it depends”. Do you ever get sick of hearing that??? I know I do… So, let me give you my thoughts and opinions based upon my experience and what I’ve seen and let you come to your own conclusions. What are the possible SharePoint roles? I guess the first thing you need to understand are the different roles that exist in SharePoint (and their are LOTS). Remember, SharePoint is a massive beast and you will NOT find one person who can do it all. If you are hoping to find that person you will be sorely disappointed. For the most part this is true in SharePoint 2007 and 2010. However, generally things are improved in 2010 and easier for junior individuals to grasp. SharePoint Administrator The absolutely positively only role that you should not be without no matter the size of your organization or SharePoint deployment is a SharePoint administrator. These guys are essential to keeping things running and figuring out what’s wrong when things aren’t running well. These unsung heroes do more before 10 am than I do all day. The bad thing is, when these guys are awesome, you don’t even know they exist because everything is running so smoothly. You should definitely invest some time and money here to make sure you have some competent if not rockstar help. You need an admin who truly loves SharePoint and will go that extra mile when necessary. Let me give you a real world example of what I’m talking about: We have a rockstar admin… and I’m sure she’s sick of my throwing her name around so she’ll just have to live with remaining anonymous in this post… sorry Lori… Anyway! A couple of weeks ago our Server teams came to us and said Hi Lori, I’m finalizing the MOSS servers and doing updates that require a restart; can I restart them? Seems like a harmless request from your server team does it not? Sure, go ahead and apply the patches and reboot during our scheduled maintenance window. No problem? right? Sounded fair to me… but no…. not to our fearless SharePoint admin… I need a complete list of patches that will be applied. There is an update that is out there that will break SharePoint… KB973917 is the patch that has been shown to cause issues. What? You mean Microsoft released a patch that would actually adversely affect SharePoint? If we did NOT have a rockstar admin, our server team would have applied these patches and then when some problem occurred in SharePoint we’d have to go through the fun task of tracking down exactly what caused the issue and resolve it. How much time would that have taken? If you have a junior SharePoint admin or an admin who’s not out there staying on top of what’s going on you could have spent days tracking down something so simple as applying a patch you should not have applied. I will even go as far to say the only SharePoint rockstar you NEED in your organization is a SharePoint admin. You can always outsource really complicated development projects or bring in a rockstar contractor every now and then to make sure you aren’t way off track in other areas. For your day-to-day sanity and to keep SharePoint running smoothly, you need an awesome Admin. Some rockstars in this category are: Ben Curry, Mike Watson, Joel Oleson, Todd Klindt, Shane Young, John Ferringer, Sean McDonough, and of course Lori Gowin. SharePoint Developer Another essential role for your SharePoint deployment is a SharePoint developer. Things do start to get a little hazy here and there are many flavors of “developers”. Are you writing custom code? using SharePoint Designer? What about SharePoint Branding?  Are all of these considered developers? I would say yes. Are they interchangeable? I’d say no. Development in SharePoint is such a large beast in itself. I would say that it’s not so large that you can’t know it all well, but it is so large that there are many people who specialize in one particular category. If you are lucky enough to have someone on staff who knows it all well, you better make sure they are well taken care of because those guys are ready-made to move over to a consulting role and charge you 3 times what you are probably paying them. :) Some of the all-around rockstars are Eric Shupps, Andrew Connell (go Razorbacks), Rob Foster, Paul Schaeflein, and Todd Bleeker SharePoint Power User/No-Code Solutions Developer These SharePoint Swiss Army Knives are essential for quick wins in your organization. These people can twist the out-of-the-box functionality to make it do things you would not even imagine. Give these guys SharePoint Designer, jQuery, InfoPath, and a little time and they will create views, dashboards, and KPI’s that will blow your mind away and give your execs the “wow” they are looking for. Not only can they deliver that wow factor, but they can mashup, merge, and really help make your SharePoint application usable and deliver an overall better user experience. Before you hand off a project to your SharePoint Custom Code developer, let one of these rockstars look at it and show you what they can do (in probably less time). I would say the second most important role you can fill in your organization is one of these guys. Rockstars in this category are Christina Wheeler, Laura Rogers, Jennifer Mason, and Mark Miller SharePoint Developer – Custom Code If you want to really integrate SharePoint into your legacy systems, or really twist it and make it bend to your will, you are going to have to open up Visual Studio and write some custom code.  Remember, SharePoint is essentially just a big, huge, ginormous .NET application, so you CAN write code to make it do ANYTHING, but do you really want to spend the time and effort to do so? At some point with every other form of SharePoint development you are going to run into SOME limitation (SPD Workflows is the big one that comes to mind). If you truly want to knock down all the walls then custom development is the way to go. PLEASE keep in mind when you are looking for a custom code developer that a .NET developer does NOT equal a SharePoint developer. Just SOME of the things these guys write are: Custom Workflows Custom Web Parts Web Service functionality Import data from legacy systems Export data to legacy systems Custom Actions Event Receivers Service Applications (2010) These guys are also the ones generally responsible for packaging everything up into solution packages (you are doing that, right?). Rockstars in this category are Phil Wicklund, Christina Wheeler, Geoff Varosky, and Brian Jackett. SharePoint Branding “But it LOOKS like SharePoint!” Somebody call the WAAAAAAAAAAAAHMbulance…   Themes, Master Pages, Page Layouts, Zones, and over 2000 styles in CSS.. these guys not only have to be comfortable with all of SharePoint’s quirks and pain points when branding, but they have to know it TWICE for publishing and non-publishing sites.  Not only that, but these guys really need to have an eye for graphic design and be able to translate the ramblings of business into something visually stunning. They also have to be comfortable with XSLT, XML, and be able to hand off what they do to your custom developers for them to package as solutions (which you are doing, right?). These rockstars include Heater Waterman, Cathy Dew, and Marcy Kellar SharePoint Architect SharePoint Architects are generally SharePoint Admins or Developers who have moved into more of a BA role? Is that fair to say? These guys really have a grasp and understanding for what SharePoint IS and what it can do. These guys help you structure your farms to meet your needs and help you design your applications the correct way. It’s always a good idea to bring in a rockstar SharePoint Architect to do a sanity check and make sure you aren’t doing anything stupid.  Most organizations probably do not have a rockstar architect on staff. These guys are generally brought in at the deployment of a farm, upgrade of a farm, or for large development projects. I personally also find architects very useful for sitting down with the business to translate their needs into what SharePoint can do. A good architect will be able to pick out what can be done out-of-the-box and what has to be custom built and hand those requirements to the development Staff. Architects can generally fill in as an admin or a developer when needed. Some rockstar architects are Rick Taylor, Dan Usher, Bill English, Spence Harbar, Neil Hodgkins, Eric Harlan, and Bjørn Furuknap. Other Roles / Specialties On top of all these other roles you also get these people who specialize in things like Reporting, BDC (BCS in 2010), Search, Performance, Security, Project Management, etc... etc... etc... Again, most organizations will not have one of these gurus on staff, they’ll just pay out the nose for them when they need them. :) SharePoint End User Everyone else in your organization that touches SharePoint falls into this category. What they actually DO in SharePoint is determined by your governance and what permissions you give these guys. Hopefully you have these guys on a fairly short leash and are NOT giving them access to tools like SharePoint Designer. Sadly end users are the ones who truly make your deployment a success by using it, but are also your biggest enemy in breaking it.  :)  We love you guys… really!!! Okay, all that’s fine and dandy, but what should MY SharePoint team look like? It depends! Okay… Are you just doing out of the box team sites with no custom development? Then you are probably fine with a great Admin team and a great No-Code Solution Development team. How many people do you need? Depends on how busy you can keep them. Sorry, can’t answer the question about numbers without knowing your specific needs. I can just tell you who you MIGHT need and what they will do for you. I’ll leave you with what my ideal SharePoint Team would look like for a particular scenario: Farm / Organization Structure Dev, QA, and 2 Production Farms. 5000 – 10000 Users Custom Development and Integration with legacy systems Team Sites, My Sites, Intranet, Document libraries and overall company collaboration Team Rockstar SharePoint Administrator 2-3 junior SharePoint Administrators SharePoint Architect / Lead Developer 2 Power User / No-Code Solution Developers 2-3 Custom Code developers Branding expert With a team of that size and skill set, they should be able to keep a substantial SharePoint deployment running smoothly and meet your business needs. This does NOT mean that you would not need to bring in contract help from time to time when you need an uber specialist in one area. Also, this team assumes there will be ongoing development for the life of your SharePoint farm. If you are just going to be doing sporadic custom development, it might make sense to partner with an awesome firm that specializes in that sort of work (I can give you the name of a couple if you are interested).  Again though, the size of your team depends on the number of requests you are receiving and how much active deployment you are doing. So, don’t bring in a team that looks like this and then yell at me because they are sitting around with nothing to do or are so overwhelmed that nothing is getting done. I do URGE you to take the proper time to asses your needs and determine what team is BEST for your organization. Also, PLEASE PLEASE PLEASE do not skimp on the talent. When it comes to SharePoint you really do get what you pay for when it comes to employees, contractors, and software.  SharePoint can become absolutely critical to your business and because you skimped on hiring a developer he created a web part that brings down the farm because he doesn’t know what he’s doing, or you hire an admin who thinks it’s fine to stick everything in the same Content Database and then can’t figure out why people are complaining. SharePoint can be an enormous blessing to an organization or it’s biggest curse. Spend the time and money to do it right, or be prepared to spending even more time and money later to fix it.

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  • CodePlex Daily Summary for Monday, March 07, 2011

    CodePlex Daily Summary for Monday, March 07, 2011Popular ReleasesDotNetAge -a lightweight Mvc jQuery CMS: DotNetAge 2: What is new in DotNetAge 2.0 ? Completely update DJME to DJME2, enhance user experience ,more beautiful and more interactively visit DJME project home to lean more about DJME http://www.dotnetage.com/sites/home/djme.html A new widget engine has came! Faster and easiler. Runtime performance enhanced. SEO enhanced. UI Designer enhanced. A new web resources explorer. Page manager enhanced. BlogML supports added that allows you import/export your blog data to/from dotnetage publishi...Master Data Services Manager: stable 1.0.3: Update 2011-03-07 : bug fixes added external configuration File : configuration.config added TreeView Display of model (still in dev) http://img96.imageshack.us/img96/5067/screenshot073l.jpg added Connection Parameters (username, domain, password, stored encrypted in configuration file) http://img402.imageshack.us/img402/5350/screenshot072qc.jpgSharePoint Content Inventory: Release 1.1: Release 1.1Menu and Context Menu for Silverlight 4.0: Silverlight Menu and Context Menu v2.4 Beta: - Moved the core of the PopupMenu class to the new PopupMenuBase class. - Renamed the MenuTriggerElement class to MenuTriggerRelationship. - Renamed the ApplicationMenus property to MenuTriggers. - Renamed the ImageLeftOpacity property to ImageOpacity. - Renamed the ImageLeftVisibility property to ImageVisibility. - Renamed the ImageLeftMinWidth property to ImageMinWidth. - Renamed the ImagePathForRightMargin property to ImageRightPath. - Renamed the ImageSourceForRightMargin property to Ima...Kooboo CMS: Kooboo CMS 3.0 Beta: Files in this downloadkooboo_CMS.zip: The kooboo application files Content_DBProvider.zip: Additional content database implementation of MSSQL,SQLCE, RavenDB and MongoDB. Default is XML based database. To use them, copy the related dlls into web root bin folder and remove old content provider dlls. Content provider has the name like "Kooboo.CMS.Content.Persistence.SQLServer.dll" View_Engines.zip: Supports of Razor, webform and NVelocity view engine. Copy the dlls into web root bin folder t...ASP.NET MVC Project Awesome, jQuery Ajax helpers (controls): 1.7.2: A rich set of helpers (controls) that you can use to build highly responsive and interactive Ajax-enabled Web applications. These helpers include Autocomplete, AjaxDropdown, Lookup, Confirm Dialog, Popup Form, Popup and Pager added fullscreen for the popup and popupformIronPython: 2.7 Release Candidate 2: On behalf of the IronPython team, I am pleased to announce IronPython 2.7 Release Candidate 2. The releases contains a few minor bug fixes, including a working webbrowser module. Please see the release notes for 61395 for what was fixed in previous releases.LINQ to Twitter: LINQ to Twitter Beta v2.0.20: Mono 2.8, Silverlight, OAuth, 100% Twitter API coverage, streaming, extensibility via Raw Queries, and added documentation.IIS Tuner: IIS Tuner 1.0: IIS and ASP.NET performance optimization toolMinemapper: Minemapper v0.1.6: Once again supports biomes, thanks to an updated Minecraft Biome Extractor, which added support for the new Minecraft beta v1.3 map format. Updated mcmap to support new biome format.CRM 2011 OData Query Designer: CRM 2011 OData Query Designer: The CRM 2011 OData Query Designer is a Silverlight 4 application that is packaged as a Managed CRM 2011 Solution. This tool allows you to build OData queries by selecting filter criteria, select attributes and order by attributes. The tool also allows you to Execute the query and view the ATOM and JSON data returned. The look and feel of this component will improve and new functionality will be added in the near future so please provide feedback on your experience. Import this solution int...Sandcastle Help File Builder: SHFB v1.9.3.0 Release: This release supports the Sandcastle June 2010 Release (v2.6.10621.1). It includes full support for generating, installing, and removing MS Help Viewer files. This new release is compiled under .NET 4.0, supports Visual Studio 2010 solutions and projects as documentation sources, and adds support for projects targeting the Silverlight Framework. This release uses the Sandcastle Guided Installation package used by Sandcastle Styles. Download and extract to a folder and then run SandcastleI...mytrip.mvc (CMS & e-Commerce): mytrip.mvc 1.0.53.0 beta 2: New SEO Optimisation WEB.mytrip.mvc 1.0.53.0 Web for install hosting System Requirements: NET 4.0, MSSQL 2008 or MySql (auto creation table to database) if .\SQLEXPRESS auto creation database (App_Data folder) SRC.mytrip.mvc 1.0.53.0 System Requirements: Visual Studio 2010 or Web Deweloper 2010 MSSQL 2008 or MySql (auto creation table to database) if .\SQLEXPRESS auto creation database (App_Data folder) Connector/Net 6.3.5, MVC3 RTM WARNING For run and debug SRC.mytrip.mvc 1.0.53.0 dow...AutoLoL: AutoLoL v1.6.4: It is now possible to run the clicker anyway when it can't detect the Masteries Window Fixed a critical bug in the open file dialog Removed the resize button Some UI changes 3D camera movement is now more intuitive (Trackball rotation) When an error occurs on the clicker it will attempt to focus AutoLoLYAF.NET (aka Yet Another Forum.NET): v1.9.5.5 RTW: YAF v1.9.5.5 RTM (Date: 3/4/2011 Rev: 4742) Official Discussion Thread here: http://forum.yetanotherforum.net/yaf_postsm47149_v1-9-5-5-RTW--Date-3-4-2011-Rev-4742.aspx Changes in v1.9.5.5 Rev. #4661 - Added "Copy" function to forum administration -- Now instead of having to manually re-enter all the access masks, etc, you can just duplicate an existing forum and modify after the fact. Rev. #4642 - New Setting to Enable/Disable Last Unread posts links Rev. #4641 - Added Arabic Language t...Snippet Designer: Snippet Designer 1.3.1: Snippet Designer 1.3.1 for Visual Studio 2010This is a bug fix release. Change logFixed bug where Snippet Designer would fail if you had the most recent Productivity Power Tools installed Fixed bug where "Export as Snippet" was failing in non-english locales Fixed bug where opening a new .snippet file would fail in non-english localesChiave File Encryption: Chiave 1.0: Final Relase for Chave 1.0 Stable: Application for file encryption and decryption using 512 Bit rijndael encyrption algorithm with simple to use UI. Its written in C# and compiled in .Net version 3.5. It incorporates features of Windows 7 like Jumplists, Taskbar progress and Aero Glass. Now with added support to Windows XP! Change Log from 0.9.2 to 1.0: ==================== Added: > Added Icon Overlay for Windows 7 Taskbar Icon. >Added Thumbnail Toolbar buttons to make the navigation easier...ASP.NET: Sprite and Image Optimization Preview 3: The ASP.NET Sprite and Image Optimization framework is designed to decrease the amount of time required to request and display a page from a web server by performing a variety of optimizations on the page’s images. This is the third preview of the feature and works with ASP.NET Web Forms 4, ASP.NET MVC 3, and ASP.NET Web Pages (Razor) projects. The binaries are also available via NuGet: AspNetSprites-Core AspNetSprites-WebFormsControl AspNetSprites-MvcAndRazorHelper It includes the foll...Network Monitor Open Source Parsers: Microsoft Network Monitor Parsers 3.4.2554: The Network Monitor Parsers packages contain parsers for more than 400 network protocols, including RFC based public protocols and protocols for Microsoft products defined in the Microsoft Open Specifications for Windows and SQL Server. NetworkMonitor_Parsers.msi is the base parser package which defines parsers for commonly used public protocols and protocols for Microsoft Windows. In this release, we have added 4 new protocol parsers and updated 79 existing parsers in the NetworkMonitor_Pa...Image Resizer for Windows: Image Resizer 3 Preview 1: Prepare to have your minds blown. This is the first preview of what will eventually become 39613. There are still a lot of rough edges and plenty of areas still under construction, but for your basic needs, it should be relativly stable. Note: You will need the .NET Framework 4 installed to use this version. Below is a status report of where this release is in terms of the overall goal for version 3. If you're feeling a bit technically ambitious and want to check out some of the features th...New ProjectsAppFactory: Die AppFactory Dient zur Vereinfachung der entwicklung von WPF Anwedungen. Es ist in C# entwickelt.Change the Default Playback Sound Device: ChangePlaybackDevice makes it easier for personal user to change the default playback sound device. You'll no longer have to change the default playback sound device by hand. It's developed in C#. Conectayas: Conectayas is an open source "Connect Four" alike game but transformable to "Tic-Tac-Toe" and to a lot of similar games that uses mouse. Written in DHTML (JavaScript, CSS and HTML). Very configurable. This cross-platform and cross-browser game was tested under BeOS, Linux, *BSD, Windows and others.Diamond: The all in one toolkit for WPF and Silverligth projects.Digital Disk File Format: Digital Disk is a File format that uses a simple key system, it is currently in development. It is written in vb.net, but will be expanded into other languagesdotnetMvcMalll: this is a asp.net mvc mallEasyCache .NET: EasyCache .NET is a simplified API over the ASP.NET Cache object. Its purpose is to offer a more concise syntax for adding and retrieving items from the cache.Eric Fang SharePoint workflow activities: Eric Fang SharePoint workflow activitiesExpert.NET: Expert.NET is an expert system framework for .NET applications. Written in F#, it provides constructs for defining probabilistic rulesets, as well as an inference engine. Expert.NET is ideal for encoding domain knowledge used by troubleshooting applications.GameGolem: The GameGolem is an XNA Casual Gamers portal. The purpose is to create a single ClickOnce deployed "Game Launcher" which exposes simple API for games to keep track of highscores, achivements, etc. GameGolem will become a Kongregate-like XNA-based casual games portal.Hundiyas: Hundiyas is an open source "Battleship" alike game totally written in DHTML (JavaScript, CSS and HTML) that uses mouse. This cross-platform and cross-browser game was tested under BeOS, Linux, *BSD, Windows and others.ISBC: Practicas ISBC 10/11maocaijun.database: databaseNCLI: A simple API for command line argument parsing, written in C#.nEMO: nEMO is a pure C# framework for Evolutionary Multiobjective Optimization.N-tier architecture sample: A sample on how to practically design a system following an n-tier (multitier) architecture in line with the patterns and practices presented by Microsofts Application Architectural Guide 2.0. Focus is on a service application and it´s client applications of various types.PostsByMonth Widget: This is a simple widget for the Graffiti CMS application that allows you to get a monthly list of new posts to the site. It's configurable to allow for the # of posts to display as well as the the format of the month/year header, the title and the individual line entries. This is written in .Net 3.5 with Vb.Net.Puzzle Pal: Smartphone assistant for all your puzzling events.RavenDB Notification: Notification plugin for RavenDB. With this plugin you are able to subscribe to insert and delete notifications from the RavenDB server. Very helpfull if you need to process new documents on the remote clients and you do not like to query DB for new changes.Teamwork by Intrigue Deviation: A feature-rich team collaboration and project management effort built around Scrum methodology with MVC/2.test_flow: test flowTicari Uygulama Paketi: Ticari Uygulama Paketi (TUP), Microsoft Ofis 2010 ürünleri için gelistirilmis eklenti yazilimidir.XpsViewer: XpsVieweryaphan: yaphan cms.

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  • Nhibernate upgraded getting 'Antlr.Runtime.NoViableAltException' on outer join using *=

    - by user86431
    so we upgraded to newer Nhibernate and Fluent Nhibernate. now I' getting this exception: FailedNHibernate.Hql.Ast.ANTLR.QuerySyntaxException: Exception of type 'Antlr.Runtime.NoViableAltException' was thrown. near line 1, column 459 On this hql, which worked fine before the upgrade. SELECT s.StudId, s.StudLname, s.StudFname, s.StudMi, s.Ssn, s.Sex, s.Dob, et.EnrtypeId, et.Active, et.EnrId, sss.StaffLname, sss.StaffFname, sss.StaffMi,vas.CurrentAge FROM CIS3G.Jcdc.EO.StudentEO s , CIS3G.Jcdc.EO.EnrollmentEO e , CIS3G.Jcdc.EO.EnrollmentTypeEO et , CIS3G.Jcdc.EO.VwStaffStudentStaffEO sss, CIS3G.Jcdc.EO.VwAgeStudentEO vas WHERE ( e.EnrId = et.EnrId ) AND ( s.StudId = vas.StudId ) AND ( s.StudId = e.StudId ) AND ( et.EnrtypeId *= sss.EnrtypeId ) AND ( Isnull ( sss.StudStaffRoleCd , 1044 ) = 1044 ) AND ( s.StudId = 4000 ) Clearly it does nto like the *= syntax, I tried rewritign is as ansi sql outer join and no joy. Can anyone tell me what ineed to change the sql to so I can get the outer join to work correctly? Thanks, Eric-

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  • Diff Algorithm

    - by Daniel Magliola
    I've been looking like crazy for an explanation of a diff algorithm that works and is efficient. The closest I got is this link to RFC 3284 (from several Eric Sink blog posts), which describes in perfectly understandable terms the data format in which the diff results are stored. However, it has no mention whatsoever as to how a program would reach these results while doing a diff. I'm trying to research this out of personal curiosity, because I'm sure there must be tradeoffs when implementing a diff algorithm, which are pretty clear sometimes when you look at diffs and wonder "why did the diff program chose this as a change instead of that?"... Does anyone know where I can find a description of an efficient algorithm that'd end up outputting VCDIFF? By the way, if you happen to find a description of the actual algorithm used by SourceGear's DiffMerge, that'd be even better. NOTE: longest common subsequence doesn't seem to be the algorithm used by VCDIFF, it looks like they're doing something smarter, given the data format they use. Thanks!

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  • Implementing Domain Driven Design

    - by Steve Dunn
    Is anyone using the techniques from Domain Driven Design? I've recently read the Eric Evans book of the same name (well, most of it!) and would be interested to hear from anyone who's implemented all/some of it in a project (particularly in C#/C++) I've kept this question open ended as I'd like to see as many comments as possible, but I have a few questions in particular: 1 - Should value types be real 'value types' if the language supports it? e.g. a struct in C# 2- Is there any feature in C# that makes clearer the association between the language and the model (for instance, this is an entity, this is an aggregate etc.)

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  • What is the recommended toolchain for formatting XML DocBook?

    - by Jonathan Leffler
    I've seen Best tools for working with DocBook XML documents, but my question is slightly different. Which is the currently recommended formatting toolchain - as opposed to editing tool - for XML DocBook? In Eric Raymond's 'The Art of Unix Programming' from 2003 (an excellent book!), the suggestion is XML-FO (XML Formatting Objects), but I've since seen suggestions here that indicated that XML-FO is no longer under development (though I can no longer find that question on StackOverflow, so maybe it was erroneous). Assume I'm primarily interested in Unix/Linux (including MacOS X), but I wouldn't automatically ignore Windows-only solutions. Is Apache's FOP the best way to go? Are there any alternatives?

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