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• Silverlight Cream for March 10, 2011 -- #1058

  - by Dave Campbell

  In this Issue: Ian T. Lackey, Peter Kuhn, WindowsPhoneGeek(-2-), Jesse Liberty(-2-), Martin Krüger, John Papa, Jeremy Likness, Karl Shifflett, and Colin Eberhardt. Above the Fold: Silverlight: "Silverlight TV 65: 3D Graphics" John Papa WP7: "Developing a Windows Phone 7 Jump List Control" Colin Eberhardt Shoutouts: Telerik announced a special sale on their RadControls for WP7... check it out: RadControls for Windows Phone 7 - on Sale from March 16th at a Special Promo Price! From SilverlightCream.com: Prism BootStrapper Load ModuleCatalog Ansyc Ian T. Lackey has a post up about reading the module catalog for Prism from an XML file asynchronously... fun stuff... this is how we kick-started our app... XNA for Silverlight developers: Part 6 - Input (accelerometer) Peter Kuhn has Part 6 of his XNA for Silverlight devs up at SilverlightShow. This post is on the use of the accelerometer... some great diagrams and explanations of it's use along with some code to play with... including a 'problems and pitfalls' section, and some good external links. Getting Started with Unit Testing in Silverlight for WP7 WindowsPhoneGeek has an introduction to Unit Testing in general, and then moves into Unit Testing in Silverlight for WP7, providing 3 options with links to the materials and code demonstrating the concepts. Using DockPanel in WP7 Responding to reader's questions, WindowsPhoneGeek's next post is on the DockPanel from the Silverlight Toolkit, and using it in WP7... defined declaratively and in code. Reactive Extensions–More About Chaining Jesse Liberty has post number 10 on Rx up and is a follow-on to the last one on Chaining. This time he exercises the chaining aspect of SelectMany. Yet Another Podcast #26–Walt Ritscher In his next post, Jesse Liberty has his 26th 'Yet Another Podcast' up and is chatting with my friend Walt Ritscher. If you don't know who Walt is, check out the links Jesse has on the post... I'm sure you've crossed paths. How to: Create A half square from a regular polygon (triangle) Martin Krüger demonstrates the exact placement of a half-square (isosceles right triangle), formed with a regular polygon in Blend... this is much more involved than I've made it sound... check out his post. Silverlight TV 65: 3D Graphics John Papa has Silverlight TV number 65 up and it's all about the 3D graphics stuff we saw at the Firestarter. John is talking with Danny Riddel, the CEO of Archetype, the company that built the awesome 3D demo we all gushed over. Jounce Part 12: Providing History-Based Back Navigation Jeremy Likness has part 12 of his Jounce exploration up... and discussing the stack of navigated pages that Jounce retains and providing a 'go back' functionality... and provides a good example of using it all. Prism 4 Region Navigation with Silverlight Frame Navigation and Unity Karl Shifflett has a post for all us Prism afficianados... Prism, Unity, and the Silverlight Frame Navigation framework. Some great external links for 'required reading' too. Developing a Windows Phone 7 Jump List Control Colin Eberhardt has an awesome tutorial up for creating a JumpList control for WP7... what a bunch of effort... this is a step-by-step description of designing the control he built and blogged about a while back... and it's still cool! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Before the Summit of 2012

  - by Ajarn Mark Caldwell

  Today, Monday, was the first day of the PASS Summit Preconference training events, but instead I spent the day at the free SQL in the City event put on by Red Gate. For me this was not a financial decision (pre-con sessions cost extra above the general Summit registration) but rather a matter of interest.  I had already included money for pre-cons in this year’s training budget, but none of them really stood out to me, so even if the Red-Gate event were not going on at the same time, I probably would not have gone to any pre-cons this year.  However, the topics being presented at the SQL in the City event were of great interest to me.  There promised to be good information on Continuous Integration and automated deployment of database changes, which lately has been a real hot topic at my work.  And indeed, Red-Gate announced the release of a new tool (still in Early Access Program…a.k.a. Beta) which is called the Deployment Manager.  Since we are in the middle of a TFS implementation project, it will be interesting to see how this plays out and compares to what we put together with the automated builds in TFS.  But, as I understand it, the primary focus of Deployment Manager is not to be the Build process (Red Gate uses JetBrains’ Team City for that in their shop) but rather to aid in the deployment of those build packages, as well as providing easy rollback and a good visualization of which versions of software are in which environments.  It looks promising and I’ve already downloaded the installer package to play with it later. Overall, I was quite impressed with the SQL in the City event.  Having heard many current and past members of the PASS Board of Directors describe the challenges of putting on a large conference, and the growing pains that the PASS Summit has gone through, I am even more impressed that the Red Gate event ran as smoothly as it did.  And it is quite impressive the amount of money that Red Gate must have spent given that this was a no-charge event to attend, they had a very nice hot lunch, and the after-event drinks celebration.  Well done, folks! Of course it was great to hear from a variety of speakers.  Today I listened to some folks from Red Gate like Grant Fritchey (blog | @GFritchey) and David Atkinson (Product Manager for SQL Source Control and now the Deployment Manager tool set); and also Brent Ozar (blog | @BrentO) and Buck Woody (blog | @BuckWoody).  By the way, if you have never seen either Brent or Buck speak, you really should.  Different styles, but both are very entertaining and educational at the same time.  I love Buck’s sense of humor (here’s a tip…don’t be late to Buck’s session or you’ll become part of the presentation) and I praise Brent’s slides.  Brent’s style very much reminds me of that espoused by Garr Reynolds on his Presentation Zen blog (and book) and I am impressed that he can make a technical presentation so engaging. It was a great day, a great way to kick off the week, and I am excited to get into the full Summit!

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• SQL SERVER – OVER clause with FIRST _VALUE and LAST_VALUE – Analytic Functions Introduced in SQL Server 2012 – ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING

  - by pinaldave

  Yesterday I had discussed two analytical functions FIRST_VALUE and LAST_VALUE. After reading the blog post I received very interesting question. “Don’t you think there is bug in your first example where FIRST_VALUE is remain same but the LAST_VALUE is changing every line. I think the LAST_VALUE should be the highest value in the windows or set of result.” I find this question very interesting because this is very commonly made mistake. No there is no bug in the code. I think what we need is a bit more explanation. Let me attempt that first. Before you do that I suggest you read yesterday’s blog post as this question is related to that blog post. Now let’s have fun following query: USE AdventureWorks GO SELECT s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty, FIRST_VALUE(SalesOrderDetailID) OVER (ORDER BY SalesOrderDetailID) FstValue, LAST_VALUE(SalesOrderDetailID) OVER (ORDER BY SalesOrderDetailID) LstValue FROM Sales.SalesOrderDetail s WHERE SalesOrderID IN (43670, 43669, 43667, 43663) ORDER BY s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty GO The above query will give us the following result: As per the reader’s question the value of the LAST_VALUE function should be always 114 and not increasing as the rows are increased. Let me re-write the above code once again with bit extra T-SQL Syntax. Please pay special attention to the ROW clause which I have added in the above syntax. USE AdventureWorks GO SELECT s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty, FIRST_VALUE(SalesOrderDetailID) OVER (ORDER BY SalesOrderDetailID ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FstValue, LAST_VALUE(SalesOrderDetailID) OVER (ORDER BY SalesOrderDetailID ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) LstValue FROM Sales.SalesOrderDetail s WHERE SalesOrderID IN (43670, 43669, 43667, 43663) ORDER BY s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty GO Now once again check the result of the above query. The result of both the query is same because in OVER clause the default ROWS selection is always UNBOUNDED PRECEDING AND CURRENT ROW. If you want the maximum value of the windows with OVER clause you need to change the syntax to UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING for ROW clause. Now run following query and pay special attention to ROW clause again. USE AdventureWorks GO SELECT s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty, FIRST_VALUE(SalesOrderDetailID) OVER (PARTITION BY SalesOrderID ORDER BY SalesOrderDetailID ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FstValue, LAST_VALUE(SalesOrderDetailID) OVER (PARTITION BY SalesOrderID ORDER BY SalesOrderDetailID ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) LstValue FROM Sales.SalesOrderDetail s WHERE SalesOrderID IN (43670, 43669, 43667, 43663) ORDER BY s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty GO Here is the resultset of the above query which is what questioner was asking. So in simple word, there is no bug but there is additional syntax needed to add to get your desired answer. The same logic also applies to PARTITION BY clause when used. Here is quick example of how we can further partition the query by SalesOrderDetailID with this new functions. USE AdventureWorks GO SELECT s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty, FIRST_VALUE(SalesOrderDetailID) OVER (PARTITION BY SalesOrderID ORDER BY SalesOrderDetailID ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FstValue, LAST_VALUE(SalesOrderDetailID) OVER (PARTITION BY SalesOrderID ORDER BY SalesOrderDetailID ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) LstValue FROM Sales.SalesOrderDetail s WHERE SalesOrderID IN (43670, 43669, 43667, 43663) ORDER BY s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty GO Above query will give us windowed resultset on SalesOrderDetailsID as well give us FIRST and LAST value for the windowed resultset. There are lots to discuss for this two functions and we have just explored tip of the iceberg. In future post I will discover it further deep. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Function, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• Agile Manifesto, Revisited

  - by GeekAgilistMercenary

  Again, conversations give me a zillion things to write about.  The recent conversation that has cropped up again is my various viewpoints of the Agile Manifesto.  Not all the processes that came after the manifesto was written, but just the core manifesto itself.  Just for context, here is the manifesto in all the glory. We are uncovering better ways of developing software by doing it and helping others do it. Through this work we have come to value: Individuals and interactions over processes and tools Working software over comprehensive documentation Customer collaboration over contract negotiation Responding to change over following a plan That is, while there is value in the items on the right, we value the items on the left more. Several of the key signatories at the time went on to write some of the core books that really gave Agile Software Development traction.  If you check out the Agile Manifesto Site and do a search for any of those people, you will find a treasure trove of software development information. My 2 Cents First off, I agree with a few people out there.  Agile is not Scrum for instance.  Do NOT get these things confused when checking out Agile, or pushing forward with Scrum.  As David Starr points out in his blog entry, "About 35 minutes into this discussion, I realized I hadn?t heard a question or comment that wasn?t related to Scrum. I asked the room, ?How many people are on an agile team that is NOT using Scrum?? 5 hands. Seriously, out of about 150 people of so. 5 hands." So know, as this is one of my biggest pet peves these days, that Scrum is not Agile.  Another quote David writes, "I assure you, dear reader, 2 week time boxes does not an agile team make." This is the exact problem.  Take a look at the actual manifesto above.  First ideal, "Individuals and interactions over processes and tools".  There are a couple of meanings in this ideal, just as there are in the other written ideals.  But this one has a lot of contention with a set practice such as Scrum.  There are other formulas, namely XP (eXtreme) and Kanban are two that come to mind often.  But none of these are Agile, but instead a process based on the ideals of Agile. Some of you may be thinking, "that?s the same thing".  Well, no, it is not.  This type of differentiation is vitally important.  Agile is a set of ideals.  Processes are nice, but they can change, they may work for some and not others.  The Agile Manifesto covers the ideals behind what is intended, that intention being to learn and find new ways to build better software. Ideals, not processes.  Definition versus implementation.  Class versus object.  The ideals are of utmost importance, the processes are secondary, the first ideal is what really lays this out for me "Individuals and interactions over processes and tools".  Yes, we need tools but we need the individuals and their interactions more. For those coming into a development team, I hope you take this to mind.  It is of utmost importance that this differentiation is known and fought for.  The second the process becomes more important than the individuals and interactions, the team will effectively lose the advantages of Agile Ideals. This is just one of my first thoughts on the topic of Agile.  I will be writing more in the near future about each of the ideals.  I will make a point to outline more of my thoughts, my opinions, and experience with the ideals of Agile and the various processes that are out there.  Maybe, I may stumble upon something new with the help of my readers?  It would be a grand overture to the ideals I hold. For the original entry, check out my personal blog with other juicy tech tidbits, rants, raves, and the like. Agilist Mercenary

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• Surface V2.0

  - by Dennis Vroegop

  It’s been quiet around here. And the reason for that is that it’s been quiet around Surface for a while. Now, a lot of people assume that when a product team isn’t making too much noise that must mean they stopped working on their product. Remember the PDC keynote in 2010? Just because they didn’t mention WPF there a lot of people had the idea that WPF was dead and abandoned for Silverlight. Of course, this couldn’t be farther from the truth. The same applies to Surface. While we didn’t hear much from the team in Redmond they were busy putting together the next version of the platform. And at the CES in January the world saw what they have been up to all along: Surface V2.0 as it’s commonly known. Of course, the product is still in development. It’s not here yet, we can’t buy one yet. However, more and more information comes available and I think this is a good time to share with you what it’s all about! The biggest change from an organizational point of view is that Microsoft decided to stop producing the hardware themselves. Instead, they have formed a partnership with Samsung who will manufacture the devices. This means that you as a buyer get the benefits of a large, worldwide supplier with all the services they can offer. Not that Microsoft didn’t do that before but since Surface wasn’t a ‘big’ product it was sometimes hard to get to the right people. The new device is officially called the “Samsung SUR 40 for Microsoft Surface” which is quite a mouthful. The software that runs the device is of course still coming from Microsoft. Let’s dive into the technical specs (note: all of this is preliminary, it’s still in the Alpha phase!): Audio out HDMI / StereoRCA / SPDIF / 2 times 3.5mm audio out jack Brightness 300 CD/m2 Communications 1GB Ethernet/802.11/Bluetooth Contrast Ratio 1:1000 CPU AMD Athlon X2 245e 2.9Ghz Dual Core Display Resolution Full HD 1080p 1920x1080 / 16:9 aspect ratio GPU AMD Radeon HD 6750 1GB GDDRS HDD 320 GB / 7200 RPM HDMI In / HDMI out Yes I/O Ports 4 USB, SD Card reader Operation System Embedded Windows 7 Professional 64 bits Panel Size 40” diagonal Protection Glass Gorilla Glass RAM 4 GB DD3 Weight / with standard legs 70.0 Kg / 154 lbs Weight / standalone 39.5 Kg / 87 lbs Height (without legs) 4 inch Contact points recognized > 50 Cool Factor Extremely   Ok, the last point is not official, but I do think it needs to be there. Let’s talk software. As noted, it runs Windows 7 Professional 64 bit, which means you can run Visual Studio 2010 on it. The software is going to be developed in WPF4.0 with the additional Surface SDK 2.0. It will contain all the things you’ve seen before plus some extra’s. They have taken some steps to align it more with the Surface Toolkit which you can download today, so if you do things right your software should be portable between a WPF4.0 Windows 7 Multi-touch app and the Surface v2 environment. It still uses infrared to detect contacts, so in that respect nothing much has changed conceptually. We still can differentiate between a finger, a tag or a blob. Of course, since the new platform has a much higher resolution (compared to the 1024x768 of the first version) you might need to look at your code again. I’ve seen a lot of applications on Surface that assume the old resolution and moving that to V2 is going to be some work. To be honest: as I am under NDA I cannot disclose much about the new software besides what I have told you here, but trust me: it’s going to blow people away. Now, the biggest question for me is: when can I get one? Until we can, have a look here: Tags van Technorati: surface,samsung,WPF

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• Poll Results: Foreign Key Constraints

  - by Darren Gosbell

  A few weeks ago I did the following post asking people – if they used foreign key constraints in their star schemas. The poll is still open if you are interested in adding to it, but here is what the chart looks like as of today. (at the bottom of the poll itself there is a link to the live results, unfortunately I cannot link the live results in here as the blogging platform blocks the required javascript)   Interestingly the results are fairly even. Of the 78 respondents, fractionally over half at least aim to start with referential integrity in their star schemas. I did not want to influence the results by sharing my opinion, but my personal preference is to always aim to have foreign key constraints. But at the same time, I am pragmatic about it, I do have projects where for various reasons some constraints are not defined. And I also have other designs that I have inherited, where it would just be too much work to go back and add foreign key constraints. If you are going to implement foreign keys in your star schema, they really need to be there at the start. In fact this poll was was the result of a feature request for BIDSHelper asking for a feature to check for null/missing foreign keys and I am entirely convinced that BIDS is the wrong place for this sort of functionality. BIDS is a design tool, your data needs to be constantly checked for consistency. It's not that I think that it's impossible to get a design working without foreign key constraints, but I like the idea of failing as soon as possible if there is an error and enforcing foreign key constraints lets me "fail early" if there are constancy issues with my data. By far the biggest concern with foreign keys is performance and I suppose I'm curious as to how often people actually measure and quantify this. I worked on a project a number of years ago that had very large data volumes and we did find that foreign key constraints did have a measurable impact, but what we did was to disable the constraints before loading the data, then enabled and checked them afterwards. This saved as time (although not as much as not having constraints at all), but still let us know early in the process if there were any consistency issues. For the people that do not have consistent data, if you have ETL processes that you control that are building your star schema which you also control, then to be blunt you only have yourself to blame. It is the job of the ETL process to make the data consistent. There are techniques for handling situations like missing data as well as  early and late arriving data. Ralph Kimball's book – The Data Warehouse Toolkit goes through some design patterns for handling data consistency. Having foreign key relationships can also help the relational engine to optimize queries as noted in this recent blog post by Boyan Penev

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• ArchBeat Facebook Friday: Top 10 Posts - August 8-14, 2014

  - by Bob Rhubart-Oracle

  5,307 people pay attention to the OTN ArchBeat Facebook Page. Here are the Top 10 posts from that page for the last seven days, August 8-14, 2014. Podcast: ODTUG Kscope 2014: Anatomy of a User Conference - Part 3 There is more to a great user conference than a shared interest in Oracle products. In the final segment of this 3-part OTN ArchBeat Podcast panelists Danny Bryant , Chet "ORACLENERD" Justice, Cameron Lackpour, Debra Lilley, and Mike Riley discuss the nature and importance of community Oracle SOA Suite 12c: The LDAP Adapter quick and easy | Maarten Smeets Maarten Smeets' how-to post describes the installation and configuration of an LDAP server and browser (ApacheDS and Apache Directory Studio). Process level Exception Handling in BPM12c | Abhishek Mittal When an exception occurs while running a process flow you have two choices: 1) retry running the flow object that caused that process flow or 2) move the process instance to the next flow object in the main process flow. Abhishek Mittal shows you how to do both. Building a Responsive WebCenter Portal Application | JayJay Zheng Oracle ACE JayJay Zheng's article addresses the essentials of responsive web design, shows you how to design and develop a responsive WebCenter Portal application, and reviews key development considerations. Cloud Control authorization with Active Directory | Jeroen Gouma Jeroen Gouma takes you step-by-step through the user authortization process in Oracle Enterprise Manager Cloud Control 12c. Video: CIOs Guide to Oracle Products and Solutions | Jessica Keyes The CIO's Guide to Oracle Products and Solutions author Jessica Keyes talks about why input from users and developers is essential to CIOs who want to avoid being escorted out of the building by security guards. Read A CIO's Guide to Oracle Cloud Computing, a sample chapter from the book. Twitter Tuesday - Top 10 @ArchBeat Tweets - August 5-11, 2014 @OTNArchBeat followers from across the galaxy have spoken! Here are the Top 10 tweets for the past seven days. Topics include: Hyperion, OBIEE, ODI, Oracle MAF, and SOA Suite. Recap: Fusion Middleware Summer Camps - Lisbon 2014 | Simon Haslam Oracle ACE Director Simon Haslam's recap of his experience at the Oracle Fusion Middleware Summer Camp in Lisbon, Portugal will make you wish you had been there. WebLogic Data Source Connection Labeling | Steve Felts The connection labeling feature was added in WLS release 10.3.6, and enhanced in release WLS 12.1.3. This post by Steve Felts describes two new connection properties that can be configured on the data source descriptor. Why Mobile Apps <3 REST/JSON | Martin Jarvis Martin Jarvis explores the preference for REST and JSON over SOAP and XML for mobile web services.

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• Oracle User Productivity Kit Translation

  - by ultan o'broin

  Oracle's customers just love the User Productivity Kit (UPK). I hear only great things about it from our international customers at the Oracle Usability Advisory Board meetings too. The UPK is the perfect solution for enterprise applications training needs (I previously reviewed a fine book about UPK btw). One question I am often asked is how source content created using the UPK can be translated into another language. I spoke with Peter Maravelias, Principal Product Strategy Manager for UPK about this recently. UPK is already optimized for easy source-target translation already. There is even a solution for re-recording demos. Here's what you can do to get your source content into another language: Use UPK's ability to automatically translate events and actions. UPK comes with XML templates that allow you to accomplish this in 21 languages with a simple publishing action switch. These templates even deal with the tricky business of using gender-based translations. Spanish localization template sample Japanese localization template sample Use the Import and Export localization features to export additional custom content in a format like XLIFF, easily handled by translation tools. You could also export and import in Word format. Re-record the sound (audio) files that go with the recordings, one per screen. UPK's granular approach to the sound files means that timing isn't an option. Retiming demos isn't required. A tip here with sound files and XLFF-exported custom content is to facilitate translation context by avoiding explicit references to actions going on in the screen recordings. A text based storyboard with screenshots accompanying the sound files should also be provided to the translators. Provide a glossary of terms too. Use the re-record option in UPK to record any demo from a translated application. This will allow all the translated UI labels to be automatically captured. You may be required to resize any action events here due to text expansion issues. Of course, you will need translated data in the translated application too, so plan for this in advance. However, source-target language skills aren't required for the re-recording. The UPK Player itself, of course, is also available from Oracle along with content and doc in 21 languages. The Developer and Setup is also translated in a smaller number of languages. Check the Oracle UPK website for latest details. UPK is a super solution for global enterprise applications training deployments allowing source content to be translated into multiple languages easily. See this post on the UPK blog for more insight too!

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• ArchBeat Link-o-Rama for 2012-07-10

  - by Bob Rhubart

  Free Event Today: Virtual Developer Day: Oracle Fusion Development This free event—another in the ongoing series of OTN Virtual Developer Days—focuses on Oracle Fusion development, and features three session tracks plus hands-on labs. Agenda and session abstracts are available now so you can be ready for the live event when it kicks off today, July 10, 9am to 1pm PST / 12pm to 4pm EST / 1pm to 5pm BRT. Podcast: The Role of the Cloud Architect - Part 1/3 In part one of this three-part conversation, cloud architects Ron Batra (AT&T) and James Baty (Oracle) talk about how cloud computing is driving the supply-chaining of IT and the "democratization of the activity of architecture." Middleware and Cloud Computing Book | Tom Laszewski Cloud migration expert Tom Laszewski describes Middleware and Cloud Computing by Frank Munz as "one of only a couple books that really discuss AWS and Oracle in depth." Cloud computing moves from fad to foundation | David Linthicum "When enterprises make cloud computing work, they view the application of the technology as a trade secret of sorts, so there are no press releases or white papers," says David Linthicum. "Indeed, if you see one presentation around a successful cloud computing case study, you can bet you're not hearing about 100 more." Oracle Real-Time Decisions: Combined Likelihood Models | Lukas Vermeer Lukas Vermeer concludes his extensive series of posts on decision models with a look "an advanced approach to amalgamate models, taking us to a whole new level of predictive modeling and analytical insights; combination models predicting likelihoods using multiple child models." Running Oracle BPM 11g PS5 Worklist Task Flow and Human Task Form on Non-SOA Domain | Andrejus Baranovskis "With a standard setup, both the BPM worklist application and the Human task form run on the same SOA domain, where the BPM process is running," says Oracle ACE Director Andrejus Baranovskis. "While this work fine, this is not what we want in the development, test and production environment." BAM design pointers | Kavitha Srinivasan "When using EMS (Enterprise Message Source) as a BAM feed, the best practice is to use one EMS to write to one Data Object," says Oracle Fusion Middleware A-Team blogger Kavitha Srinivasan. "There is a possibility of collisions and duplicates when multiple EMS write to the same row of a DO at the same time." Changes in SOA Human Task Flow (Run-Time) for Fusion Applications | Jack Desai Oracle Fusion Middleware A-Team blogger Jack Desai shares a troubleshooting tip. Thought for the Day "A program which perfectly meets a lousy specification is a lousy program." — Cem Kaner Source: SoftwareQuotes.com

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• Interviews: Going Beyond the Technical Quiz

  - by Tony Davis

  All developers will be familiar with the basic format of a technical interview. After a bout of CV-trawling to gauge basic experience, strengths and weaknesses, the interview turns technical. The whiteboard takes center stage and the challenge is set to design a function or query, or solve what on the face of it might seem a disarmingly simple programming puzzle. Most developers will have experienced those few panic-stricken moments, when one’s mind goes as blank as the whiteboard, before un-popping the marker pen, and hopefully one’s mental functions, to work through the problem. It is a way to probe the candidate’s knowledge of basic programming structures and techniques and to challenge their critical thinking. However, these challenges or puzzles, often devised by some of the smartest brains in the development team, have a tendency to become unnecessarily ‘tricksy’. They often seem somewhat academic in nature. While the candidate straight out of IT school might breeze through the construction of a Markov chain, a candidate with bags of practical experience but less in the way of formal training could become nonplussed. Also, a whiteboard and a marker pen make up only a very small part of the toolkit that a programmer will use in everyday work. I remember vividly my first job interview, for a position as technical editor. It went well, but after the usual CV grilling and technical questions, I was only halfway there. Later, they sat me alongside a team of editors, in front of a computer loaded with MS Word and copy of SQL Server Query Analyzer, and my task was to edit a real chapter for a real SQL Server book that they planned to publish, including validating and testing all the code. It was a tough challenge but I came away with a sound knowledge of the sort of work I’d do, and its context. It makes perfect sense, yet my impression is that many organizations don’t do this. Indeed, it is only relatively recently that Red Gate started to move over to this model for developer interviews. Now, instead of, or perhaps in addition to, the whiteboard challenges, the candidate can expect to sit with their prospective team, in front of Visual Studio, loaded with all the useful tools in the developer’s kit (ReSharper and so on) and asked to, for example, analyze and improve a real piece of software. The same principles should apply when interviewing for a database positon. In addition to the usual questions challenging the candidate’s knowledge of such things as b-trees, object permissions, database recovery models, and so on, sit the candidate down with the other database developers or DBAs. Arm them with a copy of Management Studio, and a few other tools, then challenge them to discover the flaws in a stored procedure, and improve its performance. Or present them with a corrupt database and ask them to get the database back online, and discover the cause of the corruption.

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• Silverlight Cream for February 21, 2011 -- #1049

  - by Dave Campbell

  In this Issue: Rob Eisenberg(-2-), Gill Cleeren, Colin Eberhardt, Alex van Beek, Ishai Hachlili, Ollie Riches, Kevin Dockx, WindowsPhoneGeek(-2-), Jesse Liberty(-2-), and John Papa. Above the Fold: Silverlight: "Silverlight 4: Creating useful base classes for your views and viewmodels with PRISM 4" Alex van Beek WP7: "Google Sky on Windows Phone 7" Colin Eberhardt Shoutouts: My friends at SilverlightShow have their top 5 for last week posted: SilverlightShow for Feb 14 - 20, 2011 From SilverlightCream.com: Rob Eisenberg MVVMs Us with Caliburn.Micro! Rob Eisenberg chats with Carl and Richard on .NET Rocks episode 638 about Caliburn.Micro which takes Convention-over-Configuration further, utilizing naming conventions to handle a large number of data binding, validation and other action-based characteristics in your app. Two Caliburn Releases in One Day! Rob Eisenberg also announced that release candidates for both Caliburn 2.0 and Caliburn.Micro 1.0 are now available. Check out the docs and get the bits. Getting ready for Microsoft Silverlight Exam 70-506 (Part 6) Gill Cleeren has Part 6 of his series on getting ready for the Silverlight Exam up at SilverlightShow.... this time out, Gill is discussing app startup, localization, and using resource dictionaries, just to name a few things. Google Sky on Windows Phone 7 Colin Eberhardt has a very cool WP7 app described where he's using Google Sky as the tile source for Bing Maps, and then has a list of 110 Messier Objects.. interesting astronomical objects that you can look at... all with source! Silverlight 4: Creating useful base classes for your views and viewmodels with PRISM 4 Alex van Beek has some Prism4/Unity MVVM goodness up with this discussion of a login module using View and ViewModel base classes. Windows Phone 7 and WCF REST – Authentication Solutions Ishai Hachlili sent me this link to his post about WCF REST web service and authentication for WP7, and he offers up 2 solutions... from the looks of this, I'm also putting his blog on my watch list WP7Contrib: Isolated Storage Cache Provider Ollie Riches has a complete explanation and code example of using the IsolatedStorageCacheProvider in their WP7Contrib library. Using a ChannelFactory in Silverlight, part two: binary cows & new-born calves Kevin Dockx follows-up his post on Channel Factories with this part 2, expanding the knowledge-base into usin parameters and custom binding with binary encoding, both from reader suggestions. All about UriMapping in WP7 WindowsPhoneGeek has a post up about URI mappings in WP7 ... what it is, how to enable it in code behind or XAML, then using it either with a hyperlink button or via the NavigationService class... all with code. Passing WP7 Memory Consumption requirements with the Coding4Fun MemoryCounter tool WindowsPhoneGeek's latest is a tutorial on the use of the Memory Counter control from the Coding4Fun toolkit and WP7 Memory consumption. Getting Started With Linq Jesse Liberty gets into LINQ in his Episode 33 of his WP7 'From Scratch' series... looks like a good LINQ starting point, and he's going to be doing a series on it. Linq with Objects In his second post on LINQ, Jesse Liberty is looking at creating a Linq query against a collection of objects... always good stuff, Jesse! Silverlight TV Silverlight TV 62: The Silverlight 5 Triad Unplugged John Papa is joined by Sam George, Larry Olson, and Vijay Devetha (the Silverlight Triad) on this Silverlight TV episode 62 to discuss how the team works together, and hey... they're hiring! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Free eBook with SQL Server performance tips and nuggets

  - by Claire Brooking

  I’ve often found that the kind of tips that turn out to be helpful are the ones that encourage me to make a small step outside of a routine. No dramatic changes – just a quick suggestion that changes an approach. As a languages student at university, one of the best I spotted came from outside the lecture halls and ended up saving me time (and lots of huffing and puffing) – the use of a rainbow of sticky notes for well-used pages and letter categories in my dictionary. Simple, but armed with a heavy dictionary that could double up as a step stool, those markers were surprisingly handy. When the Simple-Talk editors told me about a book they were planning that would give a series of tips for developers on how to improve database performance, we all agreed it needed to contain a good range of pointers for big-hitter performance topics. But we wanted to include some of the smaller, time-saving nuggets too. We hope we’ve struck a good balance. The 45 Database Performance Tips eBook covers different tips to help you avoid code that saps performance, whether that’s the ‘gotchas’ to be aware of when using Object to Relational Mapping (ORM) tools, or what to be aware of for indexes, database design, and T-SQL. The eBook is also available to download with SQL Prompt from Red Gate. We often hear that it’s the productivity-boosting side of SQL Prompt that makes it useful for everyday coding. So when a member of the SQL Prompt team mentioned an idea to make the most of tab history, a new feature in SQL Prompt 6 for SQL Server Management Studio, we were intrigued. Now SQL Prompt can save tabs we have been working on in SSMS as a way to maintain an active template for queries we often recycle. When we need to reuse the same code again, we search for our saved tab (and we can also customize its name to speed up the search) to get started. We hope you find the eBook helpful, and as always on Simple-Talk, we’d love to hear from you too. If you have a performance tip for SQL Server you’d like to share, email Melanie on the Simple-Talk team ([email protected]) and we’ll publish a collection in a follow-up post.

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• Oracle ERP Cloud Solution Defines Revenue Recognition Software Market

  - by Steve Dalton

  Normal 0 false false false EN-US X-NONE X-NONE Revenue is a fundamental yardstick of a company's performance, and one of the most important metrics for investors in the capital markets. So it’s no surprise that the accounting standard boards have devoted significant resources to this topic, with a key goal of ensuring that companies use a consistent method of recognizing revenue. Due to the myriad of revenue-generating transactions, and the divergent ways organizations recognize revenue today, the IFRS and FASB have been working for 12 years on a common set of accounting standards that apply to all industries in virtually all countries. Through their joint efforts on May 28, 2014 the FASB and IFRS released the IFRS 15 / ASU 2014-9 (Revenue from Contracts with Customers) converged accounting standard. This standard applies to revenue in all public companies, but heavily impacts organizations in any industry that might have complex sales contracts with multiple distinct deliverables (obligations). For example, an auto dealer who bundles free service with the sale of a car can only recognize the service revenue once the owner of the car brings it in for work. Similarly, high-tech companies that bundle software licenses, consulting, and support services on a sales contract will recognize bundled service revenue once the services are delivered. Now all companies need to review their revenue for hidden bundling and implicit obligations. Numerous time-consuming and judgmental activities must be performed to properly recognize revenue for complex sales contracts. To illustrate, after the contract is identified, organizations must identify and examine the distinct deliverables, determine the estimated selling price (ESP) for each deliverable, then allocate the total contract price to each deliverable based on the ESPs. In terms of accounting, organizations must determine whether the goods or services have been delivered or performed to the customer’s satisfaction, then either book revenue in the current period or record a liability for the obligation if revenue will be recognized in a future accounting period. Oracle Revenue Management Cloud was architected and developed so organizations can simplify and streamline revenue recognition. Among other capabilities, the solution uses business rules to efficiently identify and examine contracts, intelligently calculate and allocate deliverable prices based on prescribed inputs, and accurately recognize revenue for each deliverable based on customer satisfaction. "Oracle works very closely with our customers, the Big 4 accounting firms, and the accounting standard boards to deliver an adaptive, comprehensive, new generation revenue recognition solution,” said Rondy Ng, Senior Vice President, Applications Development. “With the recently announced IFRS 15 / ASU 2014-9, Oracle is ready to support customer adoption of the new standard with our Revenue Management Cloud,” said Rondy. Oracle Revenue Management Cloud, an integral part of Oracle Financials Cloud, helps organizations comply with accounting standards, provides them with confidence that reported revenue is materially accurate, and simplifies the accounting process for revenue recognition. Stay tuned to this blog for regular updates on Oracle Revenue Management Cloud. We also invite you to review our new oracle.com ERP pages @ oracle.com/erp. We will be updating these pages very soon with more information about Oracle Revenue Management Cloud.

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• How to Quickly Add Multiple IP Addresses to Windows Servers

  - by Sysadmin Geek

  If you have ever added multiple IP addresses to a single Windows server, going through the graphical interface is an incredible pain as each IP must be added manually, each in a new dialog box. Here’s a simple solution. Needless to say, this can be incredibly monotonous and time consuming if you are adding more than a few IP addresses. Thankfully, there is a much easier way which allows you to add an entire subnet (or more) in seconds. Adding an IP Address from the Command Line Windows includes the “netsh” command which allows you to configure just about any aspect of your network connections. If you view the accepted parameters using “netsh /?” you will be presented with a list of commands each which have their own list of commands (and so on). For the purpose of adding IP addresses, we are interested in this string of parameters: netsh interface ipv4 add address Note: For Windows Server 2003/XP and earlier, “ipv4″ should be replaced with just “ip” in the netsh command. If you view the help information, you can see the full list of accepted parameters but for the most part what you will be interested in is something like this: netsh interface ipv4 add address “Local Area Connection” 192.168.1.2 255.255.255.0 The above command adds the IP Address 192.168.1.2 (with Subnet Mask 255.255.255.0) to the connection titled “Local Area Network”. Adding Multiple IP Addresses at Once When we accompany a netsh command with the FOR /L loop, we can quickly add multiple IP addresses. The syntax for the FOR /L loop looks like this: FOR /L %variable IN (start,step,end) DO command So we could easily add every IP address from an entire subnet using this command: FOR /L %A IN (0,1,255) DO netsh interface ipv4 add address “Local Area Connection” 192.168.1.%A 255.255.255.0 This command takes about 20 seconds to run, where adding the same number of IP addresses manually would take significantly longer. A Quick Demonstration Here is the initial configuration on our network adapter: ipconfig /all Now run netsh from within a FOR /L loop to add IP’s 192.168.1.10-20 to this adapter: FOR /L %A IN (10,1,20) DO netsh interface ipv4 add address “Local Area Connection” 192.168.1.%A 255.255.255.0 After the above command is run, viewing the IP Configuration of the adapter now shows: Latest Features How-To Geek ETC How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop How Do You Block Annoying Text Message (SMS) Spam? How to Use and Master the Notoriously Difficult Pen Tool in Photoshop HTG Explains: What Are the Differences Between All Those Audio Formats? How To Use Layer Masks and Vector Masks to Remove Complex Backgrounds in Photoshop Bring Summer Back to Your Desktop with the LandscapeTheme for Chrome and Iron The Prospector – Home Dash Extension Creates a Whole New Browsing Experience in Firefox KinEmote Links Kinect to Windows Why Nobody Reads Web Site Privacy Policies [Infographic] Asian Temple in the Snow Wallpaper 10 Weird Gaming Records from the Guinness Book

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• Correcting Grammar for Microsoft Products and Technology

  I see book authors, editors, bloggers, press, team members, and occasionally even a VP misspell our products, technologies, and features that I thought I would build and maintain a list of the correct capitalization and spelling of the most commonly misspelled Microsoft products and technologies. Sources: Internal site (brandtools) and the Microsoft Trademarks Web site. Last updated: April 27, 2010   Incorrect Correct .net or .Net .NET .Net framework 4.0, .NET framework 4.0 .NET Framework AdCenter, Ad Center, Adcenter adCenter Ado.net, ADO.Net ADO.NET Asp.net, ASP.Net ASP.NET Asp.Net ajax, Asp.NET Ajax ASP.NET AJAX Asp.Net Mvc ASP.NET MVC Biz Spark, Bizspark BizSpark Clear Type, Clear type, Cleartype ClearType Directaccess, Direct Access DirectAccess Direct Show, Directshow DirectShow Direct X DirectX Dream Spark, Dreamspark DreamSpark Home Group, Home group HomeGroup HotMail, Hot Mail Hotmail Info Path, Infopath InfoPath Intellisense, Intellisense IntelliSense Iron Ruby IronRuby Kin KIN Linq LINQ MSN Messenger Windows Live Messenger One Note, Onenote OneNote Open type, Opentype OpenType PlayTo, Play to Play To Power Point, Powerpoint PowerPoint Powershell, Power Shell PowerShell Sea Dragon, Seadragon SeaDragon Sharepoint, Share Point SharePoint Silver Light, SilverLight Silverlight Skydrive, Sky Drive SkyDrive Sql Server SQL Server Visual Basic .net (the .net was removed in the 2005 version) Visual Basic  Visual C# Express 2010 or Visual Basic Express 2010 or Visual C++ Express 2010 Visual version 2010 Express as in Visual C# 2010 Express, Visual Basic 2010 Express Visual Studio 2010 Team Foundation Server Visual Studio Team Foundation Server 2010 Visual Studio Ultimate 2010 or Visual Studio Professional 2010 Visual Studio 2010 version, as in Visual Studio 2010 Ultimate, Visual Studio 2010 Professional WebSite Spark, Website spark Website Spark Win 32 Win32 Windows Mobile (except when referring to previous versions like 5.0 or 6), Windows phone 7 Series Windows Phone Xaml XAML XBOX, xbox Xbox Xbox Live, XBOX Live Xbox LIVE   Caveats These guidelines dont apply to URLs (ex: www.asp.net) or to code namespaces, variables, and classes should follow the .NET Framework naming guidelines. This list only covers capitalization/spacing rules, it doesnt cover the correct usage of (tm) or symbols or the correct word usage rules. For those, refer to the trademark Web site. Also note that I have no idea why we are so inconsistent say on keeping features/brands two words versus one word or the order of product/version/year.Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Transparent Technology from Amazon

  - by David Dorf

  Amazon has been making some interesting moves again, this time in the augmented humanity area.  Augmented humanity is about helping humans overcome their shortcomings using technology.  Putting a powerful smartphone in your pocket helps you in many ways like navigating streets, communicating with far off friends, and accessing information.  But the interface for smartphones is somewhat limiting and unnatural, so companies have been looking for ways to make the technology more transparent and therefore easier to use. When Apple helped us drop the stylus, we took a giant leap forward in simplicity.  Using touchscreens with intuitive gestures was part of the iPhone's original appeal.  People don't want to know that technology is there -- they just want the benefits.  So what's the next leap beyond the touchscreen to make smartphones even easier to use? Two natural ways we interact with the world around us is by using sight and voice.  Google and Apple have been using both in their mobile platforms for limited uses cases.  Nobody actually wants to type a text message, so why not just speak it?  Any if you want more information about a book, why not just snap a picture of the cover?  That's much more accurate than trying to key the title and/or author. So what's Amazon been doing?  First, Amazon released a new iPhone app called Flow that allows iPhone users to see information about products in context.  Yes, its an augmented reality app that uses the phone's camera to view products, and overlays data about the products on the screen.  For the most part it requires the barcode to be visible to correctly identify the product, but I believe it can also recognize certain logos as well.  Download the app and try it out but don't expect perfection.  Its good enough to demonstrate the concept, but its far from accurate enough.  (MobileBeat did a pretty good review.)  Extrapolate to the future and we might just have a heads-up display in our eyeglasses. The second interesting area is voice response, for which Siri is getting lots of attention.  Amazon may have purchased a voice recognition company called Yap, although the deal is not confirmed.  But it would make perfect sense, especially with the Kindle Fire in Amazon's lineup. I believe over the next 3-5 years the way in which we interact with smartphones will mature, and they will become more transparent yet more important to our daily lives.  This will, of course, impact the way we shop, making information more readily accessible than it already is.  Amazon seems to be positioning itself to be at the forefront of this trend, so we should be watching them carefully.

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• Silverlight Cream for November 17, 2011 -- #1168

  - by Dave Campbell

  In this Issue: Colin Eberhardt, Lazar Nikolov, WindowsPhoneGeek, Jesse Liberty, Peter Kuhn, Derik Whittaker, Chris Koenig, and Jeff Blankenburg(-2-). Above the Fold: Silverlight: "Facebook Graph API and Silverlight Part 2 – Publishing data" Lazar Nikolov WP7: "Suppressing Zoom and Scroll interactions in the Windows Phone 7 WebBrowser Control" Colin Eberhardt Metro/WinRT/W8: "Tip/Trick when working with the Application Bar in WinRT/Metro (C#)" Derik Whittaker Shoutouts: Michael Palermo's latest Desert Mountain Developers is up Michael Washington's latest Visual Studio #LightSwitch Daily is up Pete Brown announced the completion of his book: It’s a wrap! I’ve completed writing Silverlight 5 in Action From SilverlightCream.com: Suppressing Zoom and Scroll interactions in the Windows Phone 7 WebBrowser Control Colin Eberhardt's latest post is all about a helper class he wrote to suppress scrolling and pinch zoom of the WP7 browser control, which you might want to do if the browser is placed inside another control. Facebook Graph API and Silverlight Part 2 – Publishing data In this part 2 of his Facebook and Silverlight series, Lazar Nikolov shows how to post data to your profile or your friends' profiles Localizing a Windows Phone app Step by Step WindowsPhoneGeek's latest post is on Localizing a WP7 app .. another great tutorial with plenty of discussion, pictures, and a project to load up and follow Background Audio Part II: Copying Audio Files To Isolated Storage Continuing his WP7 series, Jesse Liberty has Part 2 of a mini-series on Background Audio up... in this episode he's using local audio and to do so, it must be in ISO Silverlight: Bugs in the multicast client In a Q/A session, Peter Kuhn was presented a nasty bug in the multicast client that he has verified exists in not only Silverlight 4 but also Silverlight 5 Beta, including a link to his entry on Connect. Tip/Trick when working with the Application Bar in WinRT/Metro (C#) Derik Whittaker offers up some good information about the Metro Application Bar and how to keep it where you want it New! Windows Phone Starter Kit for Podcasts Chris Koenig announced the release of a new starter kit for WP7... a starter kit for podcasts. Check out the links on Chris' site and the other two starter kits that are available 31 Days of Mango | Day #4: Compass Jeff Blankenburg continues with Day 4 of his Mango series with this post on the Compass and a cool app to demonstrate it 31 Days of Mango | Day #5: Gyroscope In Day 5, Jeff Blankenburg is talking about and discussing the gyroscope, of course if you have a phone as old as mine, you won't have a gyroscope and it's not on the emulator Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Oracle Linux Training Across Five Continents

  - by Antoinette O'Sullivan

  The Oracle Linux System Administration course, a top selling course, provides you with a broad selection of key competencies you need to be a great Linux system administrator. And you can now take this course from your desk or in classrooms across all five contents. You can take this 5-day instructor-led course through the follow delivery methods: Training-on-Demand: Start training within 24 hours of registering. You following lecture material at your own pace via streaming video and book time on a lab environment to suit your schedule. Live-Virtual Event: Follow a live event from your own desk, no travel required. You can choose from a selection of events on the schedule to suit a different time zones. In-Class Event: Travel to an education center to take this course. Below is a selection of the in-class events already on the schedule. AFRICA  Location  Date  Delivery Language  Nairobi, Kenya  13 October 2014  English  Johannesburg, South Africa  24 November 2014  English AMERICA  Location  Date  Delivery Language  Mississauga, Canada  27 October 2014  English  Chicago, IL, United States  13 October 2014  English  Roseville, MN, United States  13 October 2014  English ASIA  Location  Date  Delivery  Jakarta, Indonesia  20 October 2014  English  Petaling Jaya, Malaysia  25 August 2014  English  Kuala Lumpur, Malaysia  8 December 2014  English  Istanbul, Turkey  10 November 2014  Turkish   Dubai, United Arab Emirates  4 January 2015  English AUSTRALIA  Location  Date  Delivery Language  Canberra, Australia  20 October 2014  English  Melbourne, Australia  20 October 2014  English EUROPE  Location  Date  Delivery Language  Paris, France  6 October 2014  French  Milan, Italy  20 October 2014  Italian  Rome, Italy  8 September 2014  Italian  Bucharest, Romania  27 October 2014  Romanian  Madrid, Spain  1 September 2014  Spanish The Oracle Linux System Administration course is the recommended training course to prepare for you for the Oracle Linux 5 & 6 System Administrator OCA certification exam. Those who have acquired the skills provided in the Oracle Linux System Administration course, can advance their learning by taking the Oracle Linux Advanced Administration course. You can take this 5-day instructor led course as a live-virtual event or an in-class event. Below is a selection of the in-class events on the schedule:  Location  Date  Delivery Language  Jakarta, Indonesia  27 October 2014  English  Kuala Lumpur, Malaysia  6 October 2014  English  Bangkok, Thailand  20 October 2014  English  Belmont, CA, United States  15 September 2014  English For information on the Oracle Linux curriculum, go to http://oracle.com/education/linux.

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• Integrated webcam in lenovo t410 not working with 12.04

  - by kristianp

  I have a Lenovo T410 with an inbuilt webcam and I haven't been able to get the webcam working. I tried skype, cheese, both just give me a black window. The microphone works fine with skype, by the way. Can anyone provide any clues please? The webcam is enabled in the bios, but there is no light indicating the webcam is on (not sure if there should be, though). I tried this on Kubuntu 11.10 and have upgraded to 12.04 with the same results. The Fn-F6 keyboard combination doens't seem to do anything either. EDIT: I got the webcam replaced, it looks like it was a hardware problem, because it works fine now. Thanks guys. $ ls /dev/v4l/* /dev/v4l/by-id: usb-Chicony_Electronics_Co.__Ltd._Integrated_Camera-video-index0 /dev/v4l/by-path: pci-0000:00:1a.0-usb-0:1.6:1.0-video-index0 And lsusb: $ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 147e:2016 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor Bus 001 Device 004: ID 0a5c:217f Broadcom Corp. Bluetooth Controller Bus 001 Device 005: ID 17ef:480f Lenovo Integrated Webcam [R5U877] Bus 002 Device 003: ID 05c6:9204 Qualcomm, Inc. Bus 002 Device 004: ID 17ef:1003 Lenovo Integrated Smart Card Reader Here is the output from guvcview, minus lots of lines describing the available capture formats. It says "unable to start with minimum setup. Please reconnect your camera.". guvcview 1.5.3 ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side ALSA lib audio/pcm_bluetooth.c:1614:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5) ALSA lib audio/pcm_bluetooth.c:1614:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5) ALSA lib audio/pcm_bluetooth.c:1614:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5) ALSA lib audio/pcm_bluetooth.c:1614:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5) ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports only playback stream ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started video device: /dev/video0 Init. Integrated Camera (location: usb-0000:00:1a.0-1.6) { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' } { discrete: width = 640, height = 480 } Time interval between frame: 1/30, .... { discrete: width = 1600, height = 1200 } Time interval between frame: 1/15, vid:17ef pid:480f driver:uvcvideo checking format: 1196444237 libv4l2: error setting pixformat: Device or resource busy VIDIOC_S_FORMAT - Unable to set format: Device or resource busy Init v4L2 failed !! Init video returned -2 trying minimum setup ... video device: /dev/video0 Init. Integrated Camera (location: usb-0000:00:1a.0-1.6) { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' } { discrete: width = 640, height = 480 } .... vid:17ef pid:480f driver:uvcvideo checking format: 1448695129 libv4l2: error setting pixformat: Device or resource busy VIDIOC_S_FORMAT - Unable to set format: Device or resource busy Init v4L2 failed !! ERROR: Minimum Setup Failed. Exiting... VIDIOC_REQBUFS - Failed to delete buffers: Invalid argument (errno 22) cleaned allocations - 100% Closing portaudio ...OK Terminated.

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• SSAS Tabular Workshop online and other upcoming dates (and updates!) #ssas #tabular

  - by Marco Russo (SQLBI)

  After many conferences and travels, this summer I had some time to write and prepare new sessions for the next wave of conferences. In reality I am just doing that, even if I already restarted traveling for consulting and training. So expect new content about DAX and Tabular coming in the next months! Starting to see real customer adopting Tabular is showing many new challenges and there is still a lot to learn and to create. If you still didn’t started working on Tabular, well, you should. As I always say, as a BI developer you should be able to choose between Tabular and Multidimensional, and in order to do that you should know both of them! One thing that I don’t like very much about marketing is that “Tabular is simpler”, because it’s often translated in “Tabular is for simple projects” when this last statement is not true. Actually, I see a lot of good reasons to adopt Tabular in complex data models, especially in non-traditional scenarios. I know, this is because I love to understand what are the actual limits of a technology, and I’m learning that there is simple a lot of space of improvement also for Tabular. It’s already fast, but it could be faster! How can you start? Well, first of all, by reading our book. Then, by attending to our SSAS Tabular workshop. There is an online edition of the workshop on September 3-4, 2012 (hurry up if you want to register), and there are already several dates planned for the next months (and others will be added soon!). And, of course, by installing SQL Server 2012 and trying to create models over your databases. If you are too lazy, just start with PowerPivot. As soon as you start working with Tabular or PowerPivot, you will see that there is one important skill you need: learning DAX. In the next few days I should publish an article that I’m finishing these days about best practices using SUMMARIZE and ADDCOLUMNS. If only someone published this article one year ago, I would have saved many hours of my life. But, you know, flight manuals are written in blood… and someone has to write! Stay tuned.

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• How far is too far?

  - by David Dorf

  Previously I've talked about Safeway's personalized pricing as well as Target's use of analytics to learn about customers.  Then last week I read about Orbitz tailoring their hotel offers based on the browser used.  (Orbitz claims that Mac users are 40% more likely than PC users to book four- or five-star hotels.)  So just how far is too far when tailoring the retail experience? When most consumers read about these types of tactics, they tend to feel violated, as if someone was reading their personal diary.  Nobody wants to be tricked into buying things.  Walking into a grocery store and seeing crates of apples stacked high looks enticing, but the crates are just for display and the apples may be over a year old.  Even though its much cheaper to print markdown tags, many retailers manually write the price tags because consumers think they deal is better if the price is hand-written. The technology already exists to personalize prices and experiences for consumers.  People get upset thinking they paid more for something than a neighbor, but it already happens all the time with cars, flights, and the use of loyalty programs and coupons. There are many variables at play for any purchase.  They only difference is that the customer segments are getting smaller, sometimes reaching a size of one. There's two ways to look at this.  Retailers have always manipulated the environment to get consumers to buy more -- or -- Retailers are getting better at tuning the shopping experience for consumers.  I choose the latter, and so do most consumers by spending their money in the stores they like.  Consumers like to see fresh flowers at the entrance to the grocery store, and they like to see specials scrawled on chalkboards. The key is making sure that consumers benefit from the experience as well.  I'm willing to give up some personal information in exchange for discounts and more relevant marketing, and the next-generation of shoppers are even less concerned about privacy.  Retailers need to use all the tools available to differentiate their offers and connect with their customers. So if Orbitz wants to put three-star hotels at the top of the list for me because I'm using a PC, that's fine by me.

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• Get Pop Up Notifications for Your RSS Feeds with Feed Notifier

  - by DigitalGeekery

  Are you looking for a way to get updates from your favorite websites right to your desktop?  If so, you’ll want to check out Feed Notifier. This free Windows application runs in the system tray and delivers pop-up notifications to your desktop when your subscribed RSS feeds are updated. Download and install Feed Notifier. (Download link below) When you are finished installing, the Feed Notifier Preferences window will open. Click on the Add… button to add an RSS feed. Copy and paste the Feed URL into the text box and click Next. Choose your polling interval. This is how often your feed will be checked for new items. You can set your polling interval for days, hours, minutes, or even seconds. Click FInish. At your configured interval, Feed Notifier will check your feeds for new items. If new items are present, they will pop up above your system tray.  You’ll get an intro portion of the article. Simply Click the headline in the feed pop up… …to open the full article in your default browser. Setting Preferences Open the preferences of Feed Notifier, by going to Start > All Programs > Feed Notifier, or right clicking on the system tray icon and selecting Preferences. On the Pop-ups tab you can configure the duration in seconds that each article stays displayed on your screen. The default is five seconds. You can also change the size of the display, the theme, and the amount of content displayed.   The Options tab offers additional configurations like article caching and using a proxy server. Filter tab allows you to filter in or out certain content. To add a filter click Add…   … then type in the filter rule. You can even choose to apply it to only certain feeds. Click OK. Feed Notifier will display on the filters tab the number of times the filter is applied. Click OK when finished.   You can scroll though the articles by using the forward and back buttons at the lower left, or use the play / pause buttons to move though the articles in a slideshow-type fashion.   Feed Notifier is nice way to get your updated feeds directly to your desktop in a timely fashion. It’s supports all RSS and Atom feeds and features a clean look and feel with plenty of customizable options. Download Feed Notifier Similar Articles Productive Geek Tips Make Outlook Stop Using Internet Explorer’s RSS FeedsChange Default Feed Reader in FirefoxView Feedburner Subscriber Numbers Even if FeedCount is Not DisplayedSubscribe to RSS Feeds in Chrome with a Single ClickOrganize your RSS Feeds with FeedDemon TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Heaven & Hell Finder Icon Using TrueCrypt to Secure Your Data Quickly Schedule Meetings With NeedtoMeet Share Flickr Photos On Facebook Automatically Are You Blocked On Gtalk? Find out Discover Latest Android Apps On AppBrain

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• Tap into MySQL's Amazing Performance Results with the Performance Tuning Course

  - by Antoinette O'Sullivan

  Want to leverage the high-speed load utilities, distinctive memory caches, full text indexes, and other performance-enhancing mechanisms that MySQL offers to fuel today's critical business systems. The authentic MySQL Performance Tuning course, in 4 days, teaches you to evaluate the MySQL architecture, learn to use the tools, configure the database for performance, tune application and SQL code, tune the server, examine the storage engines, assess the application architecture, and learn general tuning concepts. You can take this course in one the following three ways: Training-on-Demand: Access the streaming video, instructor delivery of this course from your own desk, at your own pace. Book time for hands-on practice when it suits you. Live-Virtual Class: Take this instructor-led class live from your own desk. With 700 events on the schedule you are sure to find a time and date to suit you! In-Class: Travel to a classroom to take this class. A sample of events on the schedule are as follows.  Location  Date  Delivery Language  Hamburg, Germany  22 October 2012  German  Prague, Czech Republic  1 October 2012  Czech  Warsaw, Poland  3 December 2012  Polish  London, England  19 November 2012  English  Rome, Italy  23 October 2012  Italian Lisbon, Portugal  6 November 2012  European Portugese  Aix en Provence, France  4 September 2012   French  Strasbourg, France 16 October 2012   French  Nieuwegein, Netherlands 26 November 2012   Dutch  Madrid, Spain 17 December 2012   Spanish  Mechelen, Belgium  1 October 2012  English  Riga, Latvia  10 December 2012  Latvian  Petaling Jaya, Malaysia  10 September 2012 English   Edmonton, Canada 10 December 2012   English  Vancouver, Canada 10 December 2012   English  Ottawa, Canada 26 November 2012   English  Toronto, Canada 26 November 2012   English  Montreal, Canada 26 November 2012   English  Mexico City, Mexico 10 September 2012   Spanish  Sao Paolo, Brazil 26 November 2012  Brazilian Portugese   Tokyo, Japan 19 November 2012   Japanese  Tokyo, Japan  19 November 2012  Japanese For further information on this class, or to register your interest in additional events, go to the Oracle University Portal: http://oracle.com/education/mysql

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• links for 2010-03-24

  - by Bob Rhubart

  @dhinchcliffe: When online communities go to work "As we see a growing set of examples of successful online communities in the enterprise space (both internally and externally), the broad outlines are emerging of what is turning into a vital new channel for innovation, business agility, customer relationships, and productive output for most organizations: Online communities as one of the most potent new ways to achieve business objectives, both in terms of cost and quality." -- Dion Hinchcliffe (tags: enterprisearchitecture entarch enterprise2.0 socialmedia) Steven Chan: WebCenter 11g (11.1.1.2) Certified with E-Business Suite Release 12 Steven Chan shares information on WebCenter 11g's (11.1.1.2) certification with Oracle E-Business Suite Release 12, along with a list of certified EBS 12 Platforms (tags: oracle otn enterprise2.0 webcenter ebs) @oraclenerd: 1Z0-052 - Exploring the Oracle Database Architecture Oracle ACE Chet "Oraclenerd" Justice shares a list of resources/documentation covering Oracle Database Architecture. (tags: oracle otn oracleace dba certification architecture) @oraclenerd: 1Z0-052 - Books "I don't believe I have ever purchased a book on or about Oracle. The documentation provided, especially for the database, is top notch. There is so much information available out there if you just know how to find it. Reading AskTom for years didn't hurt either." -- Chet "@oraclenerd" Justice. (tags: otn oracle oracleace certification dba) Lucas Jellema: Castle in the clouds – Building the Connexys SaaS application with Fusion Middleware Oracle ACE Director Lucas Jellema shares the slides from the presentation he and colleague Arne van der Ing submitted for OBUG 2010. (tags: otn oracle oracleace cloud saas obug fusionmiddleware connexys) John Burke: Why Your ERP System Isn't Ready for the Next Evolution of the Enterprise "[ERP] has to become a stealthy modern app to help you quickly adapt to business changes while managing vital information. And through modern middleware it will connect to everything. So yes ERP as we've know it is dead, but long live ERP as a connected application member of the modern enterprise." -- John Burke, Group VP, Applications Business Unit, Oracle (tags: oracle otn entarch erp) Darwin-IT: Postfix for handling mail in your integration solution "It took me some time to understand Postfix. I was quite overwhelmed by the options. And it took me some time to figure out how to configure it for this particular usecase...But as with most other things..it turns out to be simple." -- Martien van den Akker (tags: oracle linux soa postfix) TheServerSide.com: Cameron Purdy at TSSJS 2010: If Java beats C++, what's next? ''It turns out that Java performance is much better on modern architecture. That is because of multicore processors and in-lining.'' -- Cameron Purdy, as quoted in an article by Jack Vaughn (tags: oracle java otn c++)

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• Understanding Data Science: Recent Studies

  - by Joe Lamantia

  If you need such a deeper understanding of data science than Drew Conway's popular venn diagram model, or Josh Wills' tongue in cheek characterization, "Data Scientist (n.): Person who is better at statistics than any software engineer and better at software engineering than any statistician." two relatively recent studies are worth reading.   'Analyzing the Analyzers,' an O'Reilly e-book by Harlan Harris, Sean Patrick Murphy, and Marck Vaisman, suggests four distinct types of data scientists -- effectively personas, in a design sense -- based on analysis of self-identified skills among practitioners.  The scenario format dramatizes the different personas, making what could be a dry statistical readout of survey data more engaging.  The survey-only nature of the data,  the restriction of scope to just skills, and the suggested models of skill-profiles makes this feel like the sort of exercise that data scientists undertake as an every day task; collecting data, analyzing it using a mix of statistical techniques, and sharing the model that emerges from the data mining exercise.  That's not an indictment, simply an observation about the consistent feel of the effort as a product of data scientists, about data science.  And the paper 'Enterprise Data Analysis and Visualization: An Interview Study' by researchers Sean Kandel, Andreas Paepcke, Joseph Hellerstein, and Jeffery Heer considers data science within the larger context of industrial data analysis, examining analytical workflows, skills, and the challenges common to enterprise analysis efforts, and identifying three archetypes of data scientist.  As an interview-based study, the data the researchers collected is richer, and there's correspondingly greater depth in the synthesis.  The scope of the study included a broader set of roles than data scientist (enterprise analysts) and involved questions of workflow and organizational context for analytical efforts in general.  I'd suggest this is useful as a primer on analytical work and workers in enterprise settings for those who need a baseline understanding; it also offers some genuinely interesting nuggets for those already familiar with discovery work. We've undertaken a considerable amount of research into discovery, analytical work/ers, and data science over the past three years -- part of our programmatic approach to laying a foundation for product strategy and highlighting innovation opportunities -- and both studies complement and confirm much of the direct research into data science that we conducted. There were a few important differences in our findings, which I'll share and discuss in upcoming posts.

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