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  • e-Seminars para Parceiros - Abril 2010

    - by Claudia Costa
    A equipa Alliances& Channels apresenta os novos e-Seminar para o mês de Abril. Para se inscrever nas formações que se encontram abaixo por favor utilize os links de registo indicados.   NOME DIA DURAÇÃO LOCAL Oracle IT Modernization Series: Migrating away from Sybase     15   09h00/1hora   On-line   Migrating to Database 11g value proposition     19   09h00/ 1hora   On-line   Upgrading to Database 11g value proposition     23   09h00/ 1hora   On-line   Oracle Content Management for PeopleSoft Overview   30   09h00/1hora   On-line       --------------------------------------------------------------------- Para mais informações por favor contacte: Melissa Lopes 214235194  

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  • Refactor This (Ugly Code)!

    - by Alois Kraus
    Ayende has put on his blog some ugly code to refactor. First and foremost it is nearly impossible to reason about other peoples code without knowing the driving forces behind the current code. It is certainly possible to make it much cleaner when potential sources of errors cannot happen in the first place due to good design. I can see what the intention of the code is but I do not know about every brittle detail if I am allowed to reorder things here and there to simplify things. So I decided to make it much simpler by identifying the different responsibilities of the methods and encapsulate it in different classes. The code we need to refactor seems to deal with a handler after a message has been sent to a message queue. The handler does complete the current transaction if there is any and does handle any errors happening there. If during the the completion of the transaction errors occur the transaction is at least disposed. We can enter the handler already in a faulty state where we try to deliver the complete event in any case and signal a failure event and try to resend the message again to the queue if it was not inside a transaction. All is decorated with many try/catch blocks, duplicated code and some state variables to route the program flow. It is hard to understand and difficult to reason about. In other words: This code is a mess and could be written by me if I was under pressure. Here comes to code we want to refactor:         private void HandleMessageCompletion(                                      Message message,                                      TransactionScope tx,                                      OpenedQueue messageQueue,                                      Exception exception,                                      Action<CurrentMessageInformation, Exception> messageCompleted,                                      Action<CurrentMessageInformation> beforeTransactionCommit)         {             var txDisposed = false;             if (exception == null)             {                 try                 {                     if (tx != null)                     {                         if (beforeTransactionCommit != null)                             beforeTransactionCommit(currentMessageInformation);                         tx.Complete();                         tx.Dispose();                         txDisposed = true;                     }                     try                     {                         if (messageCompleted != null)                             messageCompleted(currentMessageInformation, exception);                     }                     catch (Exception e)                     {                         Trace.TraceError("An error occured when raising the MessageCompleted event, the error will NOT affect the message processing"+ e);                     }                     return;                 }                 catch (Exception e)                 {                     Trace.TraceWarning("Failed to complete transaction, moving to error mode"+ e);                     exception = e;                 }             }             try             {                 if (txDisposed == false && tx != null)                 {                     Trace.TraceWarning("Disposing transaction in error mode");                     tx.Dispose();                 }             }             catch (Exception e)             {                 Trace.TraceWarning("Failed to dispose of transaction in error mode."+ e);             }             if (message == null)                 return;                 try             {                 if (messageCompleted != null)                     messageCompleted(currentMessageInformation, exception);             }             catch (Exception e)             {                 Trace.TraceError("An error occured when raising the MessageCompleted event, the error will NOT affect the message processing"+ e);             }               try             {                 var copy = MessageProcessingFailure;                 if (copy != null)                     copy(currentMessageInformation, exception);             }             catch (Exception moduleException)             {                 Trace.TraceError("Module failed to process message failure: " + exception.Message+                                              moduleException);             }               if (messageQueue.IsTransactional == false)// put the item back in the queue             {                 messageQueue.Send(message);             }         }     You can see quite some processing and handling going on there. Yes this looks like real world code one did put together to make things work and he does not trust his callbacks. I guess these are event handlers which are optional and the delegates were extracted from an event to call them back later when necessary.  Lets see what the author of this code did intend:          private void HandleMessageCompletion(             TransactionHandler transactionHandler,             MessageCompletionHandler handler,             CurrentMessageInformation messageInfo,             ErrorCollector errors             )         {               // commit current pending transaction             transactionHandler.CallHandlerAndCommit(messageInfo, errors);               // We have an error for a null message do not send completion event             if (messageInfo.CurrentMessage == null)                 return;               // Send completion event in any case regardless of errors             handler.OnMessageCompleted(messageInfo, errors);               // put message back if queue is not transactional             transactionHandler.ResendMessageOnError(messageInfo.CurrentMessage, errors);         }   I did not bother to write the intention here again since the code should be pretty self explaining by now. I have used comments to explain the still nontrivial procedure step by step revealing the real intention about all this complex program flow. The original complexity of the problem domain does not go away but by applying the techniques of SRP (Single Responsibility Principle) and some functional style but we can abstract the necessary complexity away in useful abstractions which make it much easier to reason about it. Since most of the method seems to deal with errors I thought it was a good idea to encapsulate the error state of our current message in an ErrorCollector object which stores all exceptions in a list along with a description what the error all was about in the exception itself. We can log it later or not depending on the log level or whatever. It is really just a simple list that encapsulates the current error state.          class ErrorCollector          {              List<Exception> _Errors = new List<Exception>();                public void Add(Exception ex, string description)              {                  ex.Data["Description"] = description;                  _Errors.Add(ex);              }                public Exception Last              {                  get                  {                      return _Errors.LastOrDefault();                  }              }                public bool HasError              {                  get                  {                      return _Errors.Count > 0;                  }              }          }   Since the error state is global we have two choices to store a reference in the other helper objects (TransactionHandler and MessageCompletionHandler)or pass it to the method calls when necessary. I did chose the latter one because a second argument does not hurt and makes it easier to reason about the overall state while the helper objects remain stateless and immutable which makes the helper objects much easier to understand and as a bonus thread safe as well. This does not mean that the stored member variables are stateless or thread safe as well but at least our helper classes are it. Most of the complexity is located the transaction handling I consider as a separate responsibility that I delegate to the TransactionHandler which does nothing if there is no transaction or Call the Before Commit Handler Commit Transaction Dispose Transaction if commit did throw In fact it has a second responsibility to resend the message if the transaction did fail. I did see a good fit there since it deals with transaction failures.          class TransactionHandler          {              TransactionScope _Tx;              Action<CurrentMessageInformation> _BeforeCommit;              OpenedQueue _MessageQueue;                public TransactionHandler(TransactionScope tx, Action<CurrentMessageInformation> beforeCommit, OpenedQueue messageQueue)              {                  _Tx = tx;                  _BeforeCommit = beforeCommit;                  _MessageQueue = messageQueue;              }                public void CallHandlerAndCommit(CurrentMessageInformation currentMessageInfo, ErrorCollector errors)              {                  if (_Tx != null && !errors.HasError)                  {                      try                      {                          if (_BeforeCommit != null)                          {                              _BeforeCommit(currentMessageInfo);                          }                            _Tx.Complete();                          _Tx.Dispose();                      }                      catch (Exception ex)                      {                          errors.Add(ex, "Failed to complete transaction, moving to error mode");                          Trace.TraceWarning("Disposing transaction in error mode");                          try                          {                              _Tx.Dispose();                          }                          catch (Exception ex2)                          {                              errors.Add(ex2, "Failed to dispose of transaction in error mode.");                          }                      }                  }              }                public void ResendMessageOnError(Message message, ErrorCollector errors)              {                  if (errors.HasError && !_MessageQueue.IsTransactional)                  {                      _MessageQueue.Send(message);                  }              }          } If we need to change the handling in the future we have a much easier time to reason about our application flow than before. After we did complete our transaction and called our callback we can call the completion handler which is the main purpose of the HandleMessageCompletion method after all. The responsiblity o the MessageCompletionHandler is to call the completion callback and the failure callback when some error has occurred.            class MessageCompletionHandler          {              Action<CurrentMessageInformation, Exception> _MessageCompletedHandler;              Action<CurrentMessageInformation, Exception> _MessageProcessingFailure;                public MessageCompletionHandler(Action<CurrentMessageInformation, Exception> messageCompletedHandler,                                              Action<CurrentMessageInformation, Exception> messageProcessingFailure)              {                  _MessageCompletedHandler = messageCompletedHandler;                  _MessageProcessingFailure = messageProcessingFailure;              }                  public void OnMessageCompleted(CurrentMessageInformation currentMessageInfo, ErrorCollector errors)              {                  try                  {                      if (_MessageCompletedHandler != null)                      {                          _MessageCompletedHandler(currentMessageInfo, errors.Last);                      }                  }                  catch (Exception ex)                  {                      errors.Add(ex, "An error occured when raising the MessageCompleted event, the error will NOT affect the message processing");                  }                    if (errors.HasError)                  {                      SignalFailedMessage(currentMessageInfo, errors);                  }              }                void SignalFailedMessage(CurrentMessageInformation currentMessageInfo, ErrorCollector errors)              {                  try                  {                      if (_MessageProcessingFailure != null)                          _MessageProcessingFailure(currentMessageInfo, errors.Last);                  }                  catch (Exception moduleException)                  {                      errors.Add(moduleException, "Module failed to process message failure");                  }              }            }   If for some reason I did screw up the logic and we need to call the completion handler from our Transaction handler we can simple add to the CallHandlerAndCommit method a third argument to the MessageCompletionHandler and we are fine again. If the logic becomes even more complex and we need to ensure that the completed event is triggered only once we have now one place the completion handler to capture the state. During this refactoring I simple put things together that belong together and came up with useful abstractions. If you look at the original argument list of the HandleMessageCompletion method I have put many things together:   Original Arguments New Arguments Encapsulate Message message CurrentMessageInformation messageInfo         Message message TransactionScope tx Action<CurrentMessageInformation> beforeTransactionCommit OpenedQueue messageQueue TransactionHandler transactionHandler        TransactionScope tx        OpenedQueue messageQueue        Action<CurrentMessageInformation> beforeTransactionCommit Exception exception,             ErrorCollector errors Action<CurrentMessageInformation, Exception> messageCompleted MessageCompletionHandler handler          Action<CurrentMessageInformation, Exception> messageCompleted          Action<CurrentMessageInformation, Exception> messageProcessingFailure The reason is simple: Put the things that have relationships together and you will find nearly automatically useful abstractions. I hope this makes sense to you. If you see a way to make it even more simple you can show Ayende your improved version as well.

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  • GlassFish and Friends Party, 1st Edition at JavaOne Brasil

    - by Bruno.Borges
    Estamos muito contentes em anunciar que iremos realizar a primeira edição da tradicional  GlassFish and Friends Party neste JavaOne in Brasil.  O problema é que os ingressos já esgotaram! Então decidimos realizar um concurso para dar mais 5 ingressos para a comunidade! Aqui estão as regras: Escreva um post no seu blog sobre o GlassFish  Poste no Twitter o título e o link do seu post com a hashtag #GlassFish para que possamos saber do seu post Os 5 melhores posts serão selecionados e anunciados aqui no dia 3 de Dezembro às 19:00 (GMT-3) Selecionaremos um post de cada autor Cada autor receberá um ingresso para a festa Agora corre para a sua plataforma de blog e escreva sobre o GlassFish! ------------- en_US ---------------  We are very happy to announce that we are going to host the first edition of the traditional GlassFish and Friends Party at this JavaOne in Brasil.  The problem is: tickets are already SOLD OUT!  So we decided to run a simple contest to give away 5 more tickets to the community! Here are the rules: Blog about GlassFish Tweet the title and link of your blog post with the hashtag #GlassFish so we can know about your blog post The best 5 blog posts will be selected and announced here on December 3th at 7pm (GMT-3) We will select one blog post per author Each author will get one ticket Now run to your blog platform and write about GlassFish!

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  • That Escalated Quickly

    - by Jesse Taber
    Originally posted on: http://geekswithblogs.net/GruffCode/archive/2014/05/17/that-escalated-quickly.aspxI have been working remotely out of my home for over 4 years now. All of my coworkers during that time have also worked remotely. Lots of folks have written about the challenges inherent in facilitating communication on remote teams and strategies for overcoming them. A popular theme around this topic is the notion of “escalating communication”. In this context “escalating” means taking a conversation from one mode of communication to a different, higher fidelity mode of communication. Here are the five modes of communication I use at work in order of increasing fidelity: Email – This is the “lowest fidelity” mode of communication that I use. I usually only check it a few times a day (and I’m trying to check it even less frequently than that) and I only keep items in my inbox if they represent an item I need to take action on that I haven’t tracked anywhere else. Forums / Message boards – Being a developer, I’ve gotten into the habit of having other people look over my code before it becomes part of the product I’m working on. These code reviews often happen in “real time” via screen sharing, but I also always have someone else give all of the changes another look using pull requests. A pull request takes my code and lets someone else see the changes I’ve made side-by-side with the existing code so they can see if I did anything dumb. Pull requests can facilitate a conversation about the code changes in an online-forum like style. Some teams I’ve worked on also liked using tools like Trello or Google Groups to have on-going conversations about a topic or task that was being worked on. Chat & Instant Messaging  - Chat and instant messaging are the real workhorses for communication on the remote teams I’ve been a part of. I know some teams that are co-located that also use it pretty extensively for quick messages that don’t warrant walking across the office to talk with someone but reqire more immediacy than an e-mail. For the purposes of this post I think it’s important to note that the terms “chat” and “instant messaging” might insinuate that the conversation is happening in real time, but that’s not always true. Modern chat and IM applications maintain a searchable history so people can easily see what might have been discussed while they were away from their computers. Voice, Video and Screen sharing – Everyone’s got a camera and microphone on their computers now, and there are an abundance of services that will let you use them to talk to other people who have cameras and microphones on their computers. I’m including screen sharing here as well because, in my experience, these discussions typically involve one or more people showing the other participants something that’s happening on their screen. Obviously, this mode of communication is much higher-fidelity than any of the ones listed above. Scheduled meetings are typically conducted using this mode of communication. In Person – No matter how great communication tools become, there’s no substitute for meeting with someone face-to-face. However, opportunities for this kind of communcation are few and far between when you work on a remote team. When a conversation gets escalated that usually means it moves up one or more positions on this list. A lot of people advocate jumping to #4 sooner than later. Like them, I used to believe that, if it was possible, organizing a call with voice and video was automatically better than any kind of text-based communication could be. Lately, however, I’m becoming less convinced that escalating is always the right move. Working Asynchronously Last year I attended a talk at our local code camp given by Drew Miller. Drew works at GitHub and was talking about how they use GitHub internally. Many of the folks at GitHub work remotely, so communication was one of the main themes in Drew’s talk. During the talk Drew used the phrase, “asynchronous communication” to describe their use of chat and pull request comments. That phrase stuck in my head because I hadn’t heard it before but I think it perfectly describes the way in which remote teams often need to communicate. You don’t always know when your co-workers are at their computers or what hours (if any) they are working that day. In order to work this way you need to assume that the person you’re talking to might not respond right away. You can’t always afford to wait until everyone required is online and available to join a voice call, so you need to use text-based, persistent forms of communication so that people can receive and respond to messages when they are available. Going back to my list from the beginning of this post for a second, I characterize items #1-3 as being “asynchronous” modes of communication while we could call items #4 and #5 “synchronous”. When communication gets escalated it’s almost always moving from an asynchronous mode of communication to a synchronous one. Now, to the point of this post: I’ve become increasingly reluctant to escalate from asynchronous to synchronous communication for two primary reasons: 1 – You can often find a higher fidelity way to convey your message without holding a synchronous conversation 2 - Asynchronous modes of communication are (usually) persistent and searchable. You Don’t Have to Broadcast Live Let’s start with the first reason I’ve listed. A lot of times you feel like you need to escalate to synchronous communication because you’re having difficulty describing something that you’re seeing in words. You want to provide the people you’re conversing with some audio-visual aids to help them understand the point that you’re trying to make and you think that getting on Skype and sharing your screen with them is the best way to do that. Firing up a screen sharing session does work well, but you can usually accomplish the same thing in an asynchronous manner. For example, you could take a screenshot and annotate it with some text and drawings to illustrate what it is you’re seeing. If a screenshot won’t work, taking a short screen recording while your narrate over it and posting the video to your forum or chat system along with a text-based description of what’s in the recording that can be searched for later can be a great way to effectively communicate with your team asynchronously. I Said What?!? Now for the second reason I listed: most asynchronous modes of communication provide a transcript of what was said and what decisions might have been made during the conversation. There have been many occasions where I’ve used the search feature of my team’s chat application to find a conversation that happened several weeks or months ago to remember what was decided. Unfortunately, I think the benefits associated with the persistence of communicating asynchronously often get overlooked when people decide to escalate to a in-person meeting or voice/video call. I’m becoming much more reluctant to suggest a voice or video call if I suspect that it might lead to codifying some kind of design decision because everyone involved is going to hang up the call and immediately forget what was decided. I recognize that you can record and archive these types of interactions, but without being able to search them the recordings aren’t terribly useful. When and How To Escalate I don’t mean to imply that communicating via voice/video or in person is never a good idea. I probably jump on a Skype call with a co-worker at least once a day to quickly hash something out or show them a bit of code that I’m working on. Also, meeting in person periodically is really important for remote teams. There’s no way around the fact that sometimes it’s easier to jump on a call and show someone my screen so they can see what I’m seeing. So when is it right to escalate? I think the simplest way to answer that is when the communication starts to feel painful. Everyone’s tolerance for that pain is different, but I think you need to let it hurt a little bit before jumping to synchronous communication. When you do escalate from asynchronous to synchronous communication, there are a couple of things you can do to maximize the effectiveness of the communication: Takes notes – This is huge and yet I’ve found that a lot of teams don’t do this. If you’re holding a meeting with  > 2 people you should have someone taking notes. Taking notes while participating in a meeting can be difficult but there are a few strategies to deal with this challenge that probably deserve a short post of their own. After the meeting, make sure the notes are posted to a place where all concerned parties (including those that might not have attended the meeting) can review and search them. Persist decisions made ASAP – If any decisions were made during the meeting, persist those decisions to a searchable medium as soon as possible following the conversation. All the teams I’ve worked on used a web-based system for tracking the on-going work and a backlog of work to be done in the future. I always try to make sure that all of the cards/stories/tasks/whatever in these systems always reflect the latest decisions that were made as the work was being planned and executed. If held a quick call with your team lead and decided that it wasn’t worth the effort to build real-time validation into that new UI you were working on, go and codify that decision in the story associated with that work immediately after you hang up. Even better, write it up in the story while you are both still on the phone. That way when the folks from your QA team pick up the story to test a few days later they’ll know why the real-time validation isn’t there without having to invoke yet another conversation about the work. Communicating Well is Hard At this point you might be thinking that communicating asynchronously is more difficult than having a live conversation. You’re right: it is more difficult. In order to communicate effectively this way you need to very carefully think about the message that you’re trying to convey and craft it in a way that’s easy for your audience to understand. This is almost always harder than just talking through a problem in real time with someone; this is why escalating communication is such a popular idea. Why wouldn’t we want to do the thing that’s easier? Easier isn’t always better. If you and your team can get in the habit of communicating effectively in an asynchronous manner you’ll find that, over time, all of your communications get less painful because you don’t need to re-iterate previously made points over and over again. If you communicate right the first time, you often don’t need to rehash old conversations because you can go back and find the decisions that were made laid out in plain language. You’ll also find that you get better at doing things like writing useful comments in your code, creating written documentation about how the feature that you just built works, or persuading your team to do things in a certain way.

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  • Watermark TextBox for Windows Phone

    - by Daniel Moth
    In my Translator by Moth app, in the textbox where the user enters a translation I show a "prompt" for the user that goes away when they tap on it to enter text (and returns if the textbox remains/becomes empty). See screenshot on the right (or download the free app to experience it). Back in June 2006 I had shown how to achieve this for Windows Vista (TextBox prompt), and a month later implemented a pure managed version for both desktop and Windows Mobile: TextBox with Cue Banner. So when I encountered the same need for my WP7 app, the path of least resistance for me was to convert my existing code to work for the phone. Usage: Instead of TextBox, in your xaml use TextBoxWithPrompt. Set the TextPrompt property to the text that you want the user to be prompted with. Use the MyText property to get/set the actual entered text (never use the Text property). Optionally, via properties change the default centered alignment and italic font, for the prompt text. It is that simple! You can grab my class here: TextBoxWithPrompt.cs Note, that there are many alternative (probably better) xaml-based solutions, so search around for those. Like I said, since I had solved this before, it was easier for my scenario to re-use my implementation – this does not represent best practice :-) Comments about this post welcome at the original blog.

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  • Frank Buytendijk on Prahalad, Business Best Practices

    - by Bob Rhubart
      In his video on the questionable value of some business best practices, Frank Buytendijk mentions a recent HBR article by business guru C.K. Prahalad. I just learned that Prahalad passed away this past weekend at the age of 68. (Information Week obit) A couple of years ago I had the good fortune to attend Mr. Prahalad’s keynote address at a Gartner event.  He had an audience of software architects absolutely mesmerized as he discussed technology’s role in the changing nature of business competition.  The often dysfunctional relationship between IT and business has and will probably always be hot-button issue. But during Prahalad’s keynote,  there was a palpable sense that the largely technical audience was having some kind of breakthrough, that they had achieved a new level of understanding about the importance of the relationship between the two camps. Fortunately, Prahalad leaves behind a significant body of work that will remain a valuable resource as business and the technology that supports it continues to evolve. Technorati Tags: business best practices,enterprise architecture,prahalad,oracle del.icio.us Tags: business best practices,enterprise architecture,prahalad,oracle

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  • FRIDAY SPOTLIGHT: Oracle Linux and Virtualization Showcase @ Oracle OpenWorld

    - by Zeynep Koch
    Oracle Linux and Virtualization Showcase “aka.Pavilion" at Oracle Openworld will be amazing this year. You can find us in a spacious area in Moscone South (Booth #611), featuring many of our key partners. New this year in the Showcase, you will also find Oracle demopods showcasing Oracle Linux and Oracle Virtualization. In addition, we are also featuring OpenStack. A lot of exciting technologies and solutions in one stop! Oracle Linux and Virtualization partners will be on the floor with their latest integrations and solutions to help you better accelerate your infrastructure investments. Come by the Showcase to network, win some prizes and walk away with: Insights and real world implementation examples from participating ISV, IHV and SI partners Deeper knowledge on the latest developments of Oracle Linux and Oracle Virtualization and the Oracle OpenStack integrations Broader view of how Oracle and Partners are implementing OpenStack Whether you are modernizing your IT or planning an OpenStack deployment, join us in the Oracle Linux and Virtualization Showcase and our experts will help you visualize your future, simplify your IT life and realize further profitability for your business. Starting next week here on the Linux and Virtualization blogs, we’ll go into detail about the partners that you can visit in the Oracle Linux and Virtualization Showcase. In the meantime, don't forget to mark Moscone South, Booth: 611 as a place to visit this year.Hope to see you in our Oracle Linux and Virtualization Showcase!

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  • FRIDAY SPOTLIGHT: Oracle Linux and Virtualization Showcase @ Oracle OpenWorld

    - by Zeynep Koch
    Oracle Linux and Virtualization Showcase “aka.Pavilion" at Oracle Openworld will be amazing this year. You can find us in a spacious area in Moscone South (Booth #611), featuring many of our key partners. New this year in the Showcase, you will also find Oracle demopods showcasing Oracle Linux and Oracle Virtualization. In addition, we are also featuring OpenStack. A lot of exciting technologies and solutions in one stop! Oracle Linux and Virtualization partners will be on the floor with their latest integrations and solutions to help you better accelerate your infrastructure investments. Come by the Showcase to network, win some prizes and walk away with: Insights and real world implementation examples from participating ISV, IHV and SI partners Deeper knowledge on the latest developments of Oracle Linux and Oracle Virtualization and the Oracle OpenStack integrations Broader view of how Oracle and Partners are implementing OpenStack Whether you are modernizing your IT or planning an OpenStack deployment, join us in the Oracle Linux and Virtualization Showcase and our experts will help you visualize your future, simplify your IT life and realize further profitability for your business. Starting next week here on the Linux and Virtualization blogs, we’ll go into detail about the partners that you can visit in the Oracle Linux and Virtualization Showcase. In the meantime, don't forget to mark Moscone South, Booth: 611 as a place to visit this year.Hope to see you in our Oracle Linux and Virtualization Showcase!

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  • Day of Windows Phone 7 at Orlando Code Camp 2010

    - by Nikita Polyakov
    Orlando is coming up fast behind Tampa and South Florida Code Camps. This year, even more so. Check out the schedule and register: http://www.orlandocodecamp.com/  What: All day geek fest focusing on code and not marketing fluff. When: Saturday, March, 27, 2010 All day (registration opens at 7:00am) Where: Seminole State College - Sanford\Lake Mary Campus - 100 Weldon Boulevard Sanford, FL 32773 Cost: Free! A good fellow community leader Will Strohl has a great blog post on What to Expect from Orlando Code Camp 2010 Also, believe it or now there will be a first ever MSDN Webcast: Simulcast Event: Orlando Code Camp where you can watch a select few sessions from home, if you become ill or have another reasonable excuse or just un-realistically far away. Needless to say this is not even close to being there and watching the rest of the sessions, as you don’t get to choose what is shown. But, let’s get back to the topic - there is a full day of Windows Phone 7 Developer topics. I am speaking at 2 sessions: 8:30 AM Prototyping with SketchFlow SketchFlow is a new feature in Expression Blend 3 that enables rapid prototyping of web sites and applications. SketchFlow helps designers, developers, information architects and account managers sketch, wireframe and prototype user experiences and user interfaces. [yes, I will show a some WP7 related SketchFlow towards the end] 9:45 AM Intro to Windows Phone 7 This session will be discussing and showing the new WP7 OS and how new methods of navigation work. This is relevant to understand before you start building your first app. One of the sessions later in the day will be a Install Fest and one will be a code-along, so bring your laptop, if you want. You will find Kevin Wolf, Bill Reiss and I to ask questions at the panel at the end of the day. I will be hanging out all day at the Mobile track and as always during lunch and after dinner. Final topic descriptions and order of presentations is being finalized.

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  • Win a Free License for Windows 7 Ultimate or Silverlight Spy at Our West Palm Beach .Net User Group

    - by Sam Abraham
    Shervin Shakibi, Microsoft Regional Director, ASP.Net MVP and Microsoft Certified Trainer will be our speaker at our West Palm Beach .Net User Group May meeting,  Shervin founded the FlaDotNet Users Group Network to which our West Palm Beach .Net User Group belongs. Shervin will be talking to us about the new features of Silverlight 4.0. I am personally looking forward to attending this event as I have always found Shervin's talks fun and a great learning experience.   At the end of our meeting, we will be having a free raffle. We will be giving away 1 free Windows 7 Ultimate license and 2 free Silverlight Spy licenses as well as several books and other giveaways. Usually, everybody goes home with a freebie.  We will also continue having ample networking time while enjoying free pizza/soda sponsored by Sherlock Technology and SISCO Corporation who is a new sponsor of our group.   Koen Zwikstra, Silverlight MVP and Founder of First Floor Software has kindly offered the West Palm Beach .Net User Group several free licenses of Silverlight Spy to raffle during our meetings. We will start by raffling two copies during our May meeting.   Silverlight Spy is a very valuable tool in debugging Silverlight applications. It has been mentioned at MIX10 ( http://firstfloorsoftware.com/blog/silverlight-spy-at-mix10/) as well as by Microsoft Community Leaders (http://blogs.msdn.com/chkoenig/archive/2008/08/29/silverlight-spy.aspx)   I am using Silverlight Spy myself and will probably be using it to demonstrate Silverlight internals during my talks. I think Koen's gift to our group will bring great value to our fortunate members who end up winning the licenses. Thank you Koen for your kind gift and looking forward to meeting you all on May 25th 2010 6:30 PM at CompTec (http://www.fladotnet.com/Reg.aspx?EventID=462)   Sam Abraham Site Director - West Palm Beach .Net User Group

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  • The Eight Most-Important EBS Techstack Stories in 2010

    - by Steven Chan
    I've never really understood the custom of stuffing a summary of one's family's activities for the year in a Christmas/Hanukkah/Kwanzaa card.  It seems a little self-congratulatory and impersonal.  I'd rather my friends kept authentically in touch throughout the year, but perhaps that's just me.Nonetheless, I see the value of a year-end summary in the IT industry.  I spend a lot of time helping our customers understand the latest new developments... and straightening out confusion over changes to the old and familiar.  It can be hard to keep up with the latest news in this space.Here are the eight most-important news items for 2010, with suggested actions for Apps DBAs:Premier Support for EBS 11.5.10 ended on November 30, 2010You need to be on a minimum baseline of 11.5.10 patches to be eligible for Extended Support.  New patches for EBS 11i released during the Extended Support period will be produced only for the minimum baseline configuration.Action: Ensure that your EBS 11i environments meet the minimum baseline requirements. Minimum Baselines are Emerging for EBS 12.0 Extended SupportExtended Support for EBS 12.0 begins on February 1, 2012.  That's only 13 months away.  Minimum baselines haven't been finalized yet, but the 12.0.6 Release Update Pack and the Financials CPC July 2009 are currently slated.  Action: Ensure that your EBS 12.0 environments meet the currently-specified baseline requirements. Sun, Windows, and Linux users should have upgraded to JDK 6 by nowJDK 5's End of Service Life was October 30, 2009 for those three platforms.  If you're running the E-Business Suite on Sun, Windows, or Linux, you should upgrade your EBS servers to JDK 6.  Alternatively, you can purchase Java for Business support (the equivalent of Extended Support for Java). Action: Upgrade your Sun, Windows, or Linux EBS servers to JDK 6. Premier Support for Database 10gR2 ended on July 31, 2010The 10gR2 Database is now in Extended Support.  If you're still on 10gR2, you should start planning your upgrade to a higher certified database version such as 11gR2 11.2.0.2.Action: Upgrade to 10gR2 databases to 11gR2 11.2.0.2. 

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  • CIC 2010 - Ghost Stories and Model Based Design

    - by warren.baird
    I was lucky enough to attend the collaboration and interoperability congress recently. The location was very beautiful and interesting, it was held in the mountains about two hours outside Denver, at the Stanley hotel, famous both for inspiring Steven King's novel "The Shining" and for attracting a lot of attention from the "Ghost Hunters" TV show. My visit was prosaic - I didn't get to experience the ghosts the locals promised - but interesting, with some very informative sessions. I noticed one main theme - a lot of people were talking about Model Based Design (MBD), which is moving design and manufacturing away from 2d drawings and towards 3d models. 2d has some pretty deep roots in industrial manufacturing and there have been a lot of challenges encountered in making the leap to 3d. One of the challenges discussed in several sessions was how to get model information out to the non-engineers in the company, which is a topic near and dear to my heart. In the 2D space, people without access to CAD software (for example, people assembling a product on the shop floor) can be given printouts of the design - it's not particularly efficient, and it definitely isn't very green, but it tends to work. There's no direct equivalent in the 3D space. One of the ways that AutoVue is used in industrial manufacturing is to provide non-CAD users with an easy to use, interactive 3D view of their products - in some cases it's directly used by people on the shop floor, but in cases where paper is really ingrained in the process, AutoVue can be used by a technical publications person to create illustrative 2D views that can be printed that show all of the details necessary to complete the work. Are you making the move to model based design? Is AutoVue helping you with your challenges? Let us know in the comments below.

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  • Reflections based on distance from plane

    - by Andrea Benedetti
    Let's consider, for example, a surface like the volleyball court, we can see that legs and shoes of the players are reflected, with a blur effect, but body and stadium don't (as each object not near to the court). I've already made a reflection effect, but it works as a specular reflection, and I need to achieve an effect like the photo above. So, I would like to make a reflection that is based on the distance between the object and the plane, in this manner a close object would reflect more than an object that is positioned far away from the plane. What is the best way to achieve this effect? My first idea was to use the depth value (taken from the reflected camera), and use that value to blend between reflection and court. But I don't know if it's a correct way. Edit: as rendering engine I use Ogre that already provides a reflections system: reflecting the camera through a plane (obviously I can select the models to draw from the reflected camera). After a render to texture pass I can blend the reflected texture with the original plane. So, if possible, I'm looking for a way that best suits my system.

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  • Order Unlocked iPhone 4S From Apple Online Store. $649, No Contract, Any Network.

    - by Gopinath
    Apple opened the flood gates of iPhone 4S! Now you can buy the unlocked iPhone 4S directly from Apple instead of buying them from grey market. The Apple US Online store has started accepting order for unlocked iPhone 4S and at the moment the expected shipping time is around 1 to 2 weeks. Price of the phones starts from $649 for 16GB and goes up to $849 for 64GB version. These unlocked phones are free from monthly contracts, works on any GSM network around the globe. Sorry CDMA networks, unlocked iPhone 4S is not yet ready for you! Its a good move from Apple. This helps people from staying away from multi-year contracts and also visitors returning from USA now can buy an original unlocked iPhone to use in their home countries. Buy iPhone 4S from Apple Online Store This article titled,Order Unlocked iPhone 4S From Apple Online Store. $649, No Contract, Any Network., was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Join Me at JavaOne!

    - by HecklerMark
    JavaOne 2012 is less than a week away! If you've already made plans to be there, you're probably getting pretty excited about it already...and if not, what are you waiting for?!? Before I get to the session information, I want to point out that qualified students get free admission to JavaOne, so if you are (or know) a CS or IT (or other tech-leaning) student who might like to attend, follow the link and start making plans. There is so much there to learn and experience. I'm happy to say I'll be a small part of the festivities. I'll be leading the following session: CON3519 - Building Hybrid Cloud Apps: Local Databases + The Cloud = Extreme Versatility In this session, learn how to design and develop applications that leverage both local storage and the cloud, maximizing the strengths of each. Using NetBeans, JavaServer Faces 2.0, GlassFish Server technology, JavaFX 2, Oracle Database, and Evernote, rapidly create prototypical applications that can be deployed in various environments and scaled up/out with enterprise cloud solutions.  As a contributor to the JFXtras project, I also hope to attend the following "Birds Of a Feather" (BOF) session led by Gerrit Grunwald and Stephen Chin: BOF5503 - JFXtras Super Happy Dev BOF JFXtras, the open source JavaFX control and extensions project, is back for JavaFX 2.0. In this session, you will learn about the latest changes in JFXtras 2.0, including new components, controls, and features that integrate with the JavaFX 2.0 libraries. Expect to meet the JFXtras core team members as well as other interesting client RIA implementers and developers. Now that JavaFX is coded in Java, a few server-side hackers may even be let in the door. If you're there, please stop by and introduce yourself! And to follow along with my J1 travels or keep in contact afterward, please follow me on Twitter or connect via G+ or Facebook (links in panel to right). Hope to see you there, but either way, keep the Java flowing! All the best,Mark 

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  • The Agile Engineering Rules of Test Code

    - by Malcolm Anderson
    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-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Lots of test code gets written, a lot of it is waste, some of it is well engineered waste.Companies hire Agile Engineering Coaches because agile engineering is easy to do wrong.Very easy.So here's a quick tool you can use for self coaching.It's what I call, "The Agile Engineering Rules of Test Code" and it's going to act as a sort of table of contents for some future posts.The Agile Engineering Rules of Test Code Malcolm Anderson   Test code is not throw away code Test code is production code   8 questions to determine the quality of your test code Does the test code have appropriate comments?Is the test code executed as part of the build?Every Time?Is the test code getting refactored?Does everyone use the same test code?Can the test code be described as “Well Maintained”?Can a bright six year old tell you why any particular test failed?Are the tests independent and infinitely repeatable?

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  • Bulgogi to Beignets

    - by Randy Walker
    While it’s still a full month away, I’m getting super excited about my upcoming trips. May and June are chock full of events, two of which I’ll have full announcements for within the week.  In mid May I’ll be driving to Dallas to take my 2nd trip to Korea (the bulgogi part).  Seeing a bunch of old friends from my first trip as well as taking a week for some deeper personal things. While in my absence, June 1st-4th, I’ve setup a tour across Arkansas and Texas for two Microsoft employees who work on the Visual Studio & Visual Basic team to talk at various user groups and companies.  Look for my announcement within the next couple of days. As soon as I get back from Korea, I’m off to New Orleans!  It’s been years since I’ve been there (pre-Katrina), and I have a hankering for some Beignets and Cafe Ole from Cafe Du Monde.  The big news?  I’m hosting a PARTY on Bourbon Street!  The party will be very exclusive, featuring a crawfish and shrimp boil, various Cajun dishes, and an open bar.  Huge thanks to Infragistics for putting up the initial sponsor money.  See you guys at Microsoft’s TechEd 2010!

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  • The Open Data Protocol

    - by Bobby Diaz
    Well, day 2 of the MIX10 conference did not disappoint.  The keynote speakers introduced the preview release of IE9, which looks really cool and quick, and Visual Studio 2010 RC that is scheduled to RTM on April 12th.  It seemed to have a lot of improvements aimed at making developers more productive.  Here are the current links to these two offerings: Internet Explorer 9 – Platform Preview Visual Studio 2010 and .NET 4 – Release Candidate While both of these were interesting, the demos that really blew me away today centered around the work being done with The Open Data Protocol, or OData for short!  OData is a recommended standard being pushed by Microsoft that uses a REST based interface to interact with various types of data in a uniform manner.  Data producers then provide the data to consumer in either ATOM or JSON formats as requested by the client application. The OData SDK contains client and server libraries for many of the popular languages in use today, including .NET, Java, PHP, Objective C and JavaScript, so you consume or even produce your own OData services.  More information can be found using the following links: OData.org How to navigate an OData compliant service Query Functions (WCF Data Services) Netflix has made available one of the first live OData services by exposing their entire movie catalog.  You can browse and query using URLs similar to the following: http://odata.netflix.com/ http://odata.netflix.com/Catalog/Genres('Horror')/CatalogTitles http://odata.netflix.com/Catalog/CatalogTitles?$filter=startswith(Title/Regular,%20'Star%20Wars')&$orderby=Title/Regular So now I just need to find an excuse reason to start using OData in a real project! Enjoy!

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  • SQL SERVER – Winners – Contest Win Joes 2 Pros Combo (USD 198)

    - by pinaldave
    Earlier this week we had contest ran over the blog where we are giving away USD 198 worth books of Joes 2 Pros. We had over 500+ responses during the five days of the contest. After removing duplicate and incorrect responses we had a total of 416 valid responses combined total 5 days. We got maximum correct answer on day 2 and minimum correct answer on day 5. Well, enough of the statistics. Let us go over the winners’ names. The winners have been selected randomly by one of the book editors of Joes 2 Pros. SQL Server Joes 2 Pros Learning Kit 5 Books Day 1 Winner USA: Philip Dacosta India: Sandeep Mittal Day 2 Winner USA: Michael Evans India: Satyanarayana Raju Pakalapati Day 3 Winner USA: Ratna Pulapaka India: Sandip Pani Day 4 Winner USA: Ramlal Raghavan India: Dattatrey Sindol Day 5 Winner USA: David Hall India: Mohit Garg I congratulate all the winners for their participation. All of you will receive emails from us. You will have to reply the email with your physical address. Once you receive an email please reply within 3 days so we can ship the 5 book kits to you immediately. Bonus Winners Additionally, I had announced that every day I will select a winner from the readers who have left comments with their favorite blog post. Here are the winners with their favorite blog post. Day 1: Prasanna kumar.D [Favorite Post] Day 2: Ganesh narim [Favorite Post] Day 3: Sreelekha [Favorite Post] Day 4: P.Anish Shenoy [Favorite Post] Day 5: Rikhil [Favorite Post] All the bonus winners will receive my print book SQL Wait Stats if your shipping address is in India or Pluralsight Subscription if you are outside India. If you are not winner of the contest but still want to learn SQL Server you can get the book from here. Amazon | 1 | 2 | 3 | 4 | 5 | Flipkart | Indiaplaza Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Joes 2 Pros, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Google Analytics setting cookies on static content despite being on entirely separate domain

    - by Donald Jenkins
    I recently decided to comply with the YSlow recommendation that static content is hosted on a cookieless domain. As I already use the root of my domain (donaldjenkins.com) to host my website—on which Google Analytics sets a few cookies—that meant I had to move the CNAME URL for the CDN serving the static files from cdn.donaldjenkins.com to an entirely separate, dedicated domain. I purchased cdn.dj (yes, it's a real Djibouti domain name), hosted the files on the root (which contains nothing else, other than a robots.txt file) and set a CNAME of e.cdn.dj for the CDN. This setup works, but I was rather surprised to find that YSlow was still flagging the static files for not being cookie-free: here's a screenshot: The cdn.djdomain was new, and was never used for anything other than hosting these static files. Running httpfox on the site shows the _utma and _utmz Google Analytics cookies are being set on the static files listed above—despite their being hosted on an entirely separate, dedicated domain. Here's my Google Analytics code: //Google Analytics tracking code var _gaq=[['_setAccount','UA-5245947-5'],['_trackPageview']]; (function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0]; g.src=('https:'==location.protocol?'//ssl':'//www')+'.google-analytics.com/ga.js'; s.parentNode.insertBefore(g,s)}(document,'script')); // [END] Google Analytics tracking code I'm not obsessing about this issue—I know it's not really affecting server performance—but I'd like to just understand what is causing it not to go away...

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  • UX Design Principles Pluralsight course review

    - by pluginbaby
    I've just finished the "Creating User Experiences: Fundamental Design Principles" course on Pluralsight, I am glad I took it, and here is why you should. The course is held by Billy Hollis, an internationally known author and speaker focused on user experience design. It was published in May 2012, so it is quite fresh (You’ll hear some reference to XAML, even if the content is not focused on any particular technology). I think what I liked the most about this course is the fact that Billy is not just imposing design ideas and pushing them in your throat (which would be too confronting for us developers, even if he was right), he spends a fair share amount of time explaining each topics, and illustrate them with great metaphors. If you are a minimum open minded you should get great value out of this course. Billy makes you think outside the box, he encourages you to use your right side brain, and understand design principles by simply looking at what’s around us (physical objects, nature, …). During the course he refers several time to "don't make me think" a book on UX design, which is about giving confidence to users, by making it easier for them to achieve their goals when using your app. Billy thinks that every developer can participate in elaborating good design when building software, not only designers should be involved. Get away of the easy path "let's build functional stuff for now and we will hire a designer later if we have time and budget". The course is also live and interactive as the author suggests that you do some live exercises during each module. He actually makes you realize and understand by yourself the need for change. We’re in a new era of software and devices, where grids and menus aren't enough. You can’t remain satisfied by just making things possible, you need to make them easier for your users. Understanding some fundamental design principles will help. This course can definitely be followed by any developers who wants to improve user experience of software they are working on, and I definitely recommend it.

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  • Real or False Recovery? Economic 'tea-leaves'

    - by [email protected]
    "Information-technology is allowing the city's economy to speak to us in lots of different ways," Mr. Egan said. "We just need to find new ways of listening." Source: "New Way to Read Economy" WSJ_ARTICLE  April 8th, Carli Tuna, Blog by ARC's Steve Banker Apr 12, 2010 Alan Greenspan used cardboard box purchases and other 'source-commodity' indicators. The Carli Tuna WSJ article said that truck diesel fuel sales are a reliable indicator. What factor do you and your company use as future forward indicators? .. is it quotes, perhaps calls into the call center or sales activity?  Is your business moving to the internet and your supply chain driven by your iStore?  How do your distributors, retailers and supply chain partners provide the 'side-line' signals to you to either ramp up or contract production? With competition being only one click away, organizations need to know with higher degrees of certainty, what the econmic 'tea-leaves' are telling us and how firms need to react with production and shipping forecasts.  Firms using the latest forecasting and supply chain analytical (Bus.Intelligence) tools and technologies appear to be leading their markets "Had we been aware of that data in 2008," Mr. Leamer said, "we would have made a different call." .        

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  • PHP Aspect Oriented Design

    - by Devin Dixon
    This is a continuation of this Code Review question. What was taken away from that post, and other aspect oriented design is it is hard to debug. To counter that, I implemented the ability to turn tracing of the design patterns on. Turning trace on works like: //This can be added anywhere in the code Run::setAdapterTrace(true); Run::setFilterTrace(true); Run::setObserverTrace(true); //Execute the functon echo Run::goForARun(8); In the actual log with the trace turned on, it outputs like so: adapter 2012-02-12 21:46:19 {"type":"closure","object":"static","call_class":"\/public_html\/examples\/design\/ClosureDesigns.php","class":"Run","method":"goForARun","call_method":"goForARun","trace":"Run::goForARun","start_line":68,"end_line":70} filter 2012-02-12 22:05:15 {"type":"closure","event":"return","object":"static","class":"run_filter","method":"\/home\/prodigyview\/public_html\/examples\/design\/ClosureDesigns.php","trace":"Run::goForARun","start_line":51,"end_line":58} observer 2012-02-12 22:05:15 {"type":"closure","object":"static","class":"run_observer","method":"\/home\/prodigyview\/public_html\/public\/examples\/design\/ClosureDesigns.php","trace":"Run::goForARun","start_line":61,"end_line":63} When the information is broken down, the data translates to: Called by an adapter or filter or observer The function called was a closure The location of the closure Class:method the adapter was implemented on The Trace of where the method was called from Start Line and End Line The code has been proven to work in production environments and features various examples of to implement, so the proof of concept is there. It is not DI and accomplishes things that DI cannot. I wouldn't call the code boilerplate but I would call it bloated. In summary, the weaknesses are bloated code and a learning curve in exchange for aspect oriented functionality. Beyond the normal fear of something new and different, what are other weakness in this implementation of aspect oriented design, if any? PS: More examples of AOP here: https://github.com/ProdigyView/ProdigyView/tree/master/examples/design

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  • iPhone 4S Costs 50k In India. Heck! Rather I Buy Tata Nano Car For Twice The Money

    - by Gopinath
    Are you waiting to buy iPhone 4S in India? Stop waiting and start looking for alternatives as its going to be released in India with mind blowing price tags. A 16 GB iPhone 4S costs Rs. 44,500 + tax, 32 GB at 50,900 and the 64 GB..wait! Are you really interested to know the price? I’m not at all. Its ridiculous to spend 50,000 for a mobile phone in India. I hope majority of Indians agree with me. The Tata Nano, the world’s cheapest car, costs close to the double the price of iPhone 4S. Instead of buying an iPhone 4S for around 50K, it’s a wiser decision to buy a Tata Nano. Will the super rich of India afford to pay around 50,000 to own an iPhone 4S? I think they love to own it to show off their status but I guess they prefer to get it from US through their friends and relatives. In USA an unlocked iPhone 4S available through Apple Online Store costs just 33,500(~ 650 USD IN INR) and that is a straight away Rs. 11,000 discount. Why would the rich burn money? Airtel and Aircel has announced that the iPhone 4S is going to be available in their networks from November 25 onwards and both the operators started accepting the pre-orders. If you are really willing to burn your cash go ahead and book an iPhone 4S. This article titled,iPhone 4S Costs 50k In India. Heck! Rather I Buy Tata Nano Car For Twice The Money, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Managing Personal Projects As Solo Developer - Getting out of depth and failing projects

    - by James Jeffery
    I need some advice on project management. I start a project, and often times it will a large project for a solo developer. Usually its a web project. I handle everything from the UI, to the JS, PHP, server management etc. Half way in I feel out of my depth. I lose where I am, so I spend a couple of days away from the project to avoid the stress and before you know it, it becomes another unfinished project. I try to use frameworks and code libraries to make my developments easier on myself. Sometimes I will complete a project so it "works" and then go back and handle errors, design the UI properly and stuff. But without fail I will always end up out of my depth. I've though about outsourcing tasks such as the UI, and the behaviour, and focusing just on the PHP - which I feel is my strong point. But then pride kicks in, and I don't feel at one with a project I haven't completed myself. Does this make sense? I am sure there are many others who have felt like this either at home, or at work, and I would love some advice on managing my projects better.

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