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  • Best in-memory cache of DB objects for Silverlight [closed]

    - by Jon
    Hi, I'd like to set up a cache of database objects (i.e. rows in a table) in memory in silverlight, which I'll do using WCF and linq-to-sql. Once I have the objects in memory, I'm planning on using MSMQ to receive new objects whenever they have been modified. It's a somewhat complex approach but the goal is to reduce trips to the database and allow instant data communication between Silverlight applications that are connected to the MSMQ. My Silverlight applications are meant to be long-running and the amount of data to be cached will not be large. I'm planning on saving the in-memory cache using local storage. Anyway, in order to process the updated objects that come in, I'd like to know if the user has changed the existing object. Could I use some event relating to data-binding to set a flag indicating that the object has changes? Maybe there's a better way to do the cache entirely? Thanks!

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  • Iron Speed Designer Review

    While Visual Studio allows developers to get productive fast by providing great design tools for a UI, it still lacks the ability to do smart layouts, data connections and queries. It is in this area that RAD suite of applications can tremendously boost productivity by abstracting away some of these issues and saving developer time to focus on business intelligence instead of data extraction and presentation. When it comes to RAD application suites for managed web applications, there is non better than Iron Speed Designer. The ease with which you can create a data-centric web application and have different reports of your data within minutes are unparalleled. This review delves into what Iron Speed Designer has to offer as well as some of its limitations. Iron Speed works with .NET 2.0, 3.0, 3.5 and even the latest version .NET 4.0. Read More >

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  • What's So Smart About Oracle Exadata Smart Flash Cache?

    - by kimberly.billings
    Want to know what's so "smart" about Oracle Exadata Smart Flash Cache? This three minute video explains how Oracle Exadata Smart Flash Cache helps solve the random I/O bottleneck challenge and delivers extreme performance for consolidated database applications. Exadata Smart Flash Cache is a feature of the Sun Oracle Database Machine. With it, you get ten times faster I/O response time and use ten times fewer disks for business applications from Oracle and third-party providers. Read the whitepaper for more information. var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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  • Silverlight Cream for April 26, 2010 -- #848

    - by Dave Campbell
    In this Issue: Viktor Larsson, Mike Snow(-2-), Jeff Brand, Marlon Grech(-2-, -3-), Jonathan van de Veen, Phil Middlemiss. Shoutout: Justin Angel wants everyone to know he is Joining the Vertigo Team!... congratulations, Justin! From SilverlightCream.com: Learning Silverlight – Advanced Color Animations Viktor Larsson is demonstrating small pieces of Silverlight he's picked upon in the course of his work project. This first one is on ColorAnimations using KeyFrames Silverlight Tip of the Day #4 – Enabling Out of Browser Applications Mike Snow has Tip #4 up and it's all about OOB... from what you have to do to what your user sees, including how to check to see if you're running OOB... source project included. Silverlight Tip of the Day #5 – Debugging Out of Browser Applications Following a fine tradition he started with his first series, Mike Snow is putting out more than one Tip per day :) ... Number 5 is up and is all about debugging OOB apps. Simplifying Page Transitions in Windows Phone 7 Silverlight Applications Jeff Brand has a WP7 post up discussing Page Transitions. He first discusses the most common brute-force method, then moves into the TransitioningContentControl from the Toolkit. An introduction to MEFedMVVM – PART 1 Marlon Grech, Peter O’Hanlon, and Glenn Block worked together to produce an MEF and MVVM library that works for WPF and Silverlight and allows Design-time goodness and a loosely-coupled bridge between the View and ViewModel ... and it's on CodePlex ... they're also looking for comments/additions, so check it out. Leveraging MEFedMVVM ExportViewModel – MEFedMVVM Part 2 In Part 2, Marlon Grech demonstrates using MEFedMVVM and shows off some of the basics such as Importing services, Design-Time data and DataContextAware ViewModels IContextAware services to bridge the gap between the View and the ViewModel – MEFedMVVM Part 3 Marlon Grech's 3rd post about MEFedMVVM is about IContextAwareService -- bridging the gap betwen the View and ViewModel -- a service that knows about it's context. Building a Web Setup that configures your Silverlight application Jonathan van de Veen has a post up at SilverlightShow on using a Web Setup Project to configure your Silverlight when things startup... if you're not familiar with doing this... take note! A Chrome and Glass Theme - Part 4 Phil Middlemiss has part 4 of his great tutorial series up on creating a theme in Expression Blend ... this time tackling the listbox. 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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  • What is a practical way to debug Rails?

    - by Joshua Fox
    I get the impression that in practice, debuggers are rarely used for Rails applications. (Likewise for other Ruby apps, as well as Python.) We can compare this to the usual practice for Java or VisualStudio programmers--they use an interactive debugger in a graphical IDE. How do people debug Rails applications in practice? I am aware of the variety of debuggers, so no need to mention those, but do serious Rails programmers work without them? If so, why do you choose to do it this way? It seems to me that console printing has its limits when debugging complex logic.

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  • SQLAuthority News – Download Pre-configured VHD – SQL Server 2008 R2 Standard on Windows Server 2008 R2 SP1 Standard

    - by pinaldave
    It is extremely simple to test out latest SQL Server 2008 R2. You can even get pre-configured ready to use VHD, which you can download and use it. This becomes very easy as one does not have to do anything besides downloading VHD and installing it on Hyper-V. Download Pre-configured VHD – SQL Server 2008 R2 Standard provides a trusted, productive and intelligent data platform that enables you to run your most demanding mission-critical applications, reduce time and cost of development and management of applications, and deliver actionable insight to your entire organization. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Documentation, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority News, T SQL, Technology

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  • Silverlight: Search Engine Optimization

    - by xamlnotes
    I am doing lots of consulting on Silverlight these days. So I was looking into search enabling Sl applications. So I found this great whitepaper on this very subject. I will post more on this same subject as I get into implementing these ideas as well as some of my own I want to try out. Silverlight is really rocking the world today with more and more applications rolling out. So check out this great whitepaper to see whats cooking with SEO for yours. http://www.silverlight.net/learn/whitepapers/seo-for-silverlight/

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  • Where can I find the application executables in the filesystem?

    - by richzilla
    Where are executables for programs stored in Ubuntu? An application (Komodo Edit) is asking me to identify an application to be used as a web browser. I've become used to just entering the application name as a command for situations such as these, but this scenario got me thinking. I know in Windows it would just be the relevant application folder in the 'program files' folder, but I'm assuming things are a bit different on Linux? I thought somewhere like bin would be logical but this appears to standard Linux/Unix applications. Where would I find the binary executable for applications stored on my system?

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  • Oracle OpenWorld Healthcare Integration Session Highlights Challenges & Solutions

    - by Bruce Tierney
    In today’s session co-presented by Steve Schenks, Integration Architect from Ascension Health and Oracle’s Sundar Shenbagam and Suresh Sharma (apparently your initials must be SS to present during this session), interesting insights in many different areas including Steve’s descriptions of the challenges with their previous environment: Disparate hardware and software is an issue common across healthcare and most other industries…Larry Ellison spoke on this topic during Sundays’ keynote address. In the last part of session, Suresh is planning to go over some of the best practices and lesson learned to implement successful healthcare applications and will discuss the different options to model Sequencing (FIF0) use cases (one of most common use cases in the provider market). The session was “Implementing Successful Healthcare Applications with Oracle SOA Suite” – Session # CON8546. For more information about this session, please contact Senior Principal Product Manager Suresh Sharma

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  • Oracle OpenWorld Healthcare Integration Session Highlights Challenges & Solutions

    - by Nitesh Jain
    In today’s session co-presented by Steve Schenks, Integration Architect from Ascension Health and Oracle’s Sundar Shenbagam and Suresh Sharma (apparently your initials must be SS to present during this session), interesting insights in many different areas including Steve’s descriptions of the challenges with their previous environment: Disparate hardware and software is an issue common across healthcare and most other industries…Larry Ellison spoke on this topic during Sundays’ keynote address.  In the last part of session, Suresh is planning to go over some of the best practices and lesson learned to implement successful healthcare applications and will discuss the different options to model Sequencing (FIF0) use cases (one of most common use cases in the provider market). The session was “Implementing Successful Healthcare Applications with Oracle SOA Suite” – Session # CON8546. For more information about this session, please contact Senior Principal Product Manager Suresh Sharma Ref : https://blogs.oracle.com/SOA/entry/oracle_openworld_healthcare_integration_session

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  • Book Review: Professional ASP.NET Design Patterns by Scott Millett

    - by Sam Abraham
    In the next few lines, I will be providing a brief review of Wrox’s Professional ASP.NET Design Patterns by Scott Millett. Design patterns have been a hot topic for many years as developers looked to do more with less, re-use as much code as possible by creating common libraries, as well as make their code easier to understand, extend and collaborate on. Scott Millett’s book covered classic and emerging patterns in a practical presentation that demonstrated with thorough examples how to put each pattern to use in the context of multi-tiered ASP.NET applications. The author’s unique approach and content earned him much kudos in the foreword by Scott Hanselman as well as online reviews. The book has 14 chapters of which 5 are dedicated to a comprehensive case study. Patterns covered therein include S.O.L.I.D, Gang of Four (GoF) as well as Martin Fowler’s Patterns of Enterprise Applications. Many thanks to the Wiley/Wrox User Group Program for their support of our West Palm Beach Developers’ Group. Best regards, --Sam You can access my reviews of books I recently read: Professional WCF 4.0 Inside Windows Communication Foundation Inside Microsoft SQL Server 2008 series

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  • Microsoft Press Deal of the day 4/Sep/2012 - Programming Microsoft® SQL Server® 2012

    - by TATWORTH
    Today's deal of the day from Microsoft Press at http://shop.oreilly.com/product/0790145322357.do?code=MSDEAL is Programming Microsoft® SQL Server® 2012 "Your essential guide to key programming features in Microsoft® SQL Server® 2012 Take your database programming skills to a new level—and build customized applications using the developer tools introduced with SQL Server 2012. This hands-on reference shows you how to design, test, and deploy SQL Server databases through tutorials, practical examples, and code samples. If you’re an experienced SQL Server developer, this book is a must-read for learning how to design and build effective SQL Server 2012 applications."

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  • Oracle Open World starts on Sunday, Sept 30

    - by Mike Dietrich
    Oracle Open World 2012 starts on Sunday this week - and we are really looking forward to see you in one of our presentations, especially theDatabase Upgrade on SteriodsReal Speed, Real Customers, Real Secretson Monday, Oct 1, 12:15pm in Moscone South 307(just skip the lunch - the boxed food is not healthy at all): Monday, Oct 1, 12:15 PM - 1:15 PM - Moscone South - 307 Database Upgrade on Steroids:Real Speed, Real Customers, Real Secrets Mike Dietrich - Consulting Member Technical Staff, Oracle Georg Winkens - Technical Manager, Amadeus Data Processing Carol Tagliaferri - Senior Development Manager, Oracle  Looking to improve the performance of your database upgrade and learn about other ways to reduce upgrade time? Isn’t everyone? In this session, you will learn directly from Oracle’s Upgrade Development team about what you can do to speed things up. Find out about ways to reduce upgrade downtime such as using a transient logical standby database and/or Oracle GoldenGate, and get other hints and tips. Learn about new features that improve upgrade performance and reduce downtime. Hear Georg Winkens, DB Services technical manager from Amadeus, speak about his upgrade experience, and get real-life performance measurements and advice for a successful upgrade. . And don't forget: we already start on Sunday so if you'd like to learn about the SAP database upgrades at Deutsche Messe: Sunday, Sep 30, 11:15 AM - 12:00 PM - Moscone West - 2001Oracle Database Upgrade to 11g Release 2 with SAP Applications Andreas Ellerhoff - DBA, Deutsche Messe AG Mike Dietrich - Consulting Member Technical Staff, Oracle Jan Klokkers - Sr.Director SAP Development, Oracle Deutsche Messe began to use Oracle6 Database at the end of the 1980s and has been using Oracle Database technology together with SAP applications successfully since 2002. At the end of 2010, it took the first steps of an upgrade to Oracle Database 11g Release 2 (11.2), and since mid-2011, all SAP production systems there run successfully with Oracle Database 11g. This presentation explains why Deutsche Messe uses Oracle Database together with SAP applications, discusses the many reasons for the upgrade to Release 11g, and focuses on the operational top aspects from a DBA perspective. . And unfortunately the Hands-On-Lab is sold out already ... We would like to apologize but we have absolutely ZERO influence on either the number of runs or the number of available seats.  Tuesday, Oct 2, 10:15 AM - 12:45 PM - Marriott Marquis - Salon 12/13 Hands On Lab:Upgrading an Oracle Database Instance, Using Best Practices Roy Swonger - Senior Director, Software Development, Oracle Carol Tagliaferri - Senior Development Manager, Oracle Mike Dietrich - Consulting Member Technical Staff, Oracle Cindy Lim - PMTS, Oracle Carol Palmer - Principal Product Manager, Oracle This hands-on lab gives participants the opportunity to work through a database upgrade from an older release of Oracle Database to the very latest Oracle Database release available. Participants will learn how the improved automation of the upgrade process and the generation of fix-up scripts can quickly help fix database issues prior to upgrading. The lab also uses the new parallel upgrade feature to improve performance of the upgrade, resulting in less downtime. Come get inside information about database upgrades from the Database Upgrade development team. . See you soon

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  • Ubuntu DVD for Africa

    - by Brendon
    I live in Tanzania Africa and have been promoting Ubuntu for use by NGOs, Schools, and Friends. So far I've got a lot of positive feedback, but do have one huge problem. Internet here is both slow and very costly (up to $1,200 per month) So what I am looking for is a current release of Ubuntu which includes all the updates and popular applications already on it like; Gimp, VLC, Ubuntu Restricted files, Scribus, Inkscape, VirtualBox, Chrome, Audacity, Compiz, Blender, Ubuntu Tweak, Gnucash, Skype, etc... Basically all the 4 - 5 star applications. Does a hybrid DVD exist? I found links to one called Ubuntu Install Box 11.04, but not sure if they are truly legitimate. Any help would be greatly appreciated. Brendon

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  • New Pluralsight Course: HTML5 Canvas Fundamentals

    - by dwahlin
      I just finished up a new course for Pluralsight titled HTML5 Canvas Fundamentals that I had a blast putting together. It’s all about the client and involves a lot of pixel manipulation and graphics creation which is challenging and fun at the same time. The goal of the course is to walk you through the fundamentals, start a gradual jog into the API functions, and then start sprinting as you learn how to build a business chart canvas application from scratch that uses many of the available APIs . It’s fun stuff and very useful in a variety of scenarios including Web (desktop or mobile) and even Windows 8 Metro applications. Here’s a sample video from the course that talks about building a simple bar chart using the HTML5 Canvas:   Additional details about the course are shown next.   HTML5 Canvas Fundamentals The HTML5 Canvas provides a powerful way to render graphics, charts, and other types of visual data without relying on plugins such as Flash or Silverlight. In this course you’ll be introduced to key features available in the canvas API and see how they can be used to render shapes, text, video, images, and more. You’ll also learn how to work with gradients, perform animations, transform shapes, and build a custom charting application from scratch. If you’re looking to learn more about using the HTML5 Canvas in your Web applications then this course will break down the learning curve and give you a great start!    Getting Started with the HTML5 Canvas Introduction HTML5 Canvas Usage Scenarios Demo: Game Demos Demo: Engaging Applications Demo: Charting HTML5 Canvas Fundamentals Hello World Demo Overview of the Canvas API Demo: Canvas API Documentation Summary    Drawing with the HTML5 Canvas Introduction Drawing Rectangles and Ellipses Demo: Simple Bar Chart Demo: Simple Bar Chart with Transforms Demo: Drawing Circles Demo: Using arcTo() Drawing Lines and Paths Demo: Drawing Lines Demo: Simple Line Chart Demo: Using bezierCurveTo() Demo: Using quadraticCurveTo() Drawing Text Demo: Filling, Stroking, and Measuring Text Demo: Using Canvas Transforms with Text Drawing Images Demo: Using Image Functions Drawing Videos Demo: Syncing Video with a Canvas Summary    Manipulating Pixels  Introduction Rendering Gradients Demo: Creating Linear Gradients Demo: Creating Radial Gradients Using Transforms Demo: Getting Started with Transform Functions Demo: Using transform() and and setTransform() Accessing Pixels Demo: Creating Pixels Dynamically Demo: Grayscale Pixels Animation Fundamentals Demo: Getting Started with Animation Demo: Using Gradients, Transforms, and Animations Summary    Building a Custom Data Chart Introduction Creating the CanvasChart Object Creating the CanvasChart Shell Code Rendering Text and Gradients Rendering Data Points Text and Guide Lines Connecting Data Point Lines Rendering Data Points Adding Animation Adding Overlays and Interactivity Summary     Related Courses:  

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  • ADF Mobile Client Developer Preview announced!

    - by [email protected]
    Today at the RIM WES conference, Ted Farrell, Chief Architect and SVP, announed the general availability of the ADF Mobile Client Developer Preview.  This is an extension to JDeveloper that allows developers to rapidly develop mobile applications that reside on the mobile device and access a local database and can be used while completely disconnected from the network with a data synchronization technology to get the data back to the server.  You can quickly develop applications declaratively that run on multiple platforms without having to do native coding.  Go download JDeveloper at http://www.oracle.com/technology/software/products/jdev/index.html You can get more info about ADF Mobile Client here at:  http://www.oracle.com/technology/tech/wireless/adf_mobile.html   Check back here for coding examples and how-to's that will be posted regularly.

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  • New release of the Windows Azure SDK and Tools (March CTP)

    - by kaleidoscope
    From now on, you only have to download the Windows Azure Tools for Microsoft Visual Studio and the SDK will be installed as part of that package. What’s new in Windows Azure SDK Support for developing Managed Full Trust applications. It also provides support for Native Code via PInvokes and spawning native processes. Support for developing FastCGI applications, including support for rewrite rules via URL Rewrite Module. Improved support for the integration of development storage with Visual Studio, including enhanced performance and support for SQL Server (only local instance). What’s new in Windows Azure Tools for Visual Studio Combined installer includes the Windows Azure SDK Addressed top customer bugs. Native Code Debugging. Update Notification of future releases. FastCGI template http://blogs.msdn.com/jnak/archive/2009/03/18/now-available-march-ctp-of-the-windows-azure-tools-and-sdk.aspx   Ritesh, D

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  • Automated build platform for .NET portfolio - best choice?

    - by jkohlhepp
    I am involved with maintaining a fairly large portfolio of .NET applications. Also in the portfolio are legacy applications built on top of other platforms - native C++, ECLIPS Forms, etc. I have a complex build framework on top of NAnt right now that manages the builds for all of these applications. The build framework uses NAnt to do a number of different things: Pull code out of Subversion, as well as create tags in Subversion Build the code, using MSBuild for .NET or other compilers for other platforms Peek inside AssemblyInfo files to increment version numbers Do deletes of certain files that shouldn't be included in builds / releases Releases code to deployment folders Zips code up for backup purposes Deploy Windows services; start and stop them Etc. Most of those things can be done with just NAnt by itself, but we did build a couple of extension tasks for NAnt to do some things that were specific to our environment. Also, most of those processes above are genericized and reused across a lot of our different application build scripts, so that we don't repeat logic. So it is not simple NAnt code, and not simple build scripts. There are dozens of NAnt files that come together to execute a build. Lately I've been dissatisfied with NAnt for a couple reasons: (1) it's syntax is just awful - programming languages on top of XML are really horrific to maintain, (2) the project seems to have died on the vine; there haven't been a ton of updates lately and it seems like no one is really at the helm. Trying to get it working with .NET 4 has cause some pain points due to this lack of activity. So, with all of that background out of the way, here's my question. Given some of the things that I want to accomplish based on that list above, and given that I am primarily in a .NET shop, but I also need to build non-.NET projects, is there an alternative to NAnt that I should consider switching to? Things on my radar include Powershell (with or without psake), MSBuild by itself, and rake. These all have pros and cons. For example, is MSBuild powerful enough? I remember using it years ago and it didn't seem to have as much power as NAnt. Do I really want to have my team learn Ruby just to do builds using rake? Is psake really mature enough of a project to pin my portfolio to? Is Powershell "too close to the metal" and I'll end up having to write my own build library akin to psake to use it on its own? Are there other tools that I should consider? If you were involved with maintaining a .NET portfolio of significant complexity, what build tool would you be looking at? What does your team currently use?

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  • ATG Live Webcast March 29: Diagnosing E-Business Suite JVM and Forms Performance Issues (Performance Series Part 4 of 4)

    - by BillSawyer
    The next webcast in our popular EBS series on performance management is going to be a showstopper.  Dave Suri, Project Lead, Applications Performance and Gustavo Jimenez, Senior Development Manager will discuss some of the steps involved in triaging and diagnosing E-Business Suite systems related to JVM and Forms components. Please join us for our next ATG Live Webcast on Mar. 29, 2012: Triage and Diagnostics for E-Business Suite JVM and Forms The topics covered in this webcast will be: Overall Menu/Sections Architecture Patches/Certified browsers/jdk versions JVM Tuning JVM Tools (jstat,eclipse mat, ibm tda) Forms Tools (strace/FRD) Java Concurrent Program options location Case studies Case Studies JVM Thread dump case for Oracle Advanced Product Catalog Forms FRD trace relating to Saving an SR Java Concurrent Program for BT Date:               Thursday, March 29, 2012Time:              8:00 AM - 9:00 AM Pacific Standard TimePresenters:  Dave Suri, Project Lead, Applications Performance                        Gustavo Jimenez, Senior Development ManagerWebcast Registration Link (Preregistration is optional but encouraged)To hear the audio feed:   Domestic Participant Dial-In Number:            877-697-8128    International Participant Dial-In Number:      706-634-9568    Additional International Dial-In Numbers Link:    Dial-In Passcode:                                              99342To see the presentation:    The Direct Access Web Conference details are:    Website URL: https://ouweb.webex.com    Meeting Number:  597073984 If you miss the webcast, or you have missed any webcast, don't worry -- we'll post links to the recording as soon as it's available from Oracle University.  You can monitor this blog for pointers to the replay. And, you can find our archive of our past webcasts and training here.If you have any questions or comments, feel free to email Bill Sawyer (Senior Manager, Applications Technology Curriculum) at BilldotSawyer-AT-Oracle-DOT-com. 

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  • Web Developer or Software Engineer?

    - by dahacker89
    A question that I have been asking myself and really confused which path to take. So I need your guys help as to the pros and cons of these 2 professions in today's world. I love web applications development as the Web is the best thing to happen in this age and nearly everyone gets by on the World Wide Web. And also tend to keep learning about new technologies and about web services. On the other hand I like software engineering also for the desktop applications as I have had experience with development small scale softwares in VB.Net, Java, C++, etc. Which path has more scope and better future? Whats your view?

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