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  • MIX10 Talk - Slides and Code

    At MIX10, I presented the Developing with WCF RIA Services Quickly and Effectively talk. For the demos I used a BookClub application - the scenario is a team application for team members to use to share books and browse/search/request shared books. The following are the concepts that the demos and code cover: [Full post continued here...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How to avoid serializing zero values with Simple Xml

    - by Bram Vandenbussche
    I'm trying to serialise an object using simple xml (http://simple.sourceforge.net/). The object setup is pretty simple: @Root(name = "order_history") public class OrderHistory { @Element(name = "id", required = false) public int ID; @Element(name = "id_order_state") public int StateID; @Element(name = "id_order") public int OrderID; } The problem is when I create a new instance of this class without an ID: OrderHistory newhistory = new OrderHistory(); newhistory.OrderID = _orderid; newhistory.StateID = _stateid; and I serialize it via simple xml: StringWriter xml = new StringWriter(); Serializer serializer = new Persister(); serializer.write(newhistory, xml); it still reads 0 in the resulting xml: <?xml version='1.0' encoding='UTF-8'?> <order_history> <id>0</id> <id_order>2</id_order> <id_order_state>8</id_order_state> </order_history> I'm guessing the reason for this is that the ID property is not null, since integers can't be null. But I really need to get rid of this node, and I'd rather not remove it manually. Any clues anyone?

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  • SQL SERVER – Convert IN to EXISTS – Performance Talk

    - by pinaldave
    In recent training one of the attendee asked if I can show simple method to convert IN clause to EXISTS clause. Here is the simple example. USE AdventureWorks GO -- use of = SELECT * FROM HumanResources.Employee E WHERE E.EmployeeID = ( SELECT EA.EmployeeID FROM HumanResources.EmployeeAddress EA WHERE EA.EmployeeID = E.EmployeeID) GO -- use of exists SELECT * FROM HumanResources.Employee E WHERE EXISTS ( SELECT EA.EmployeeID FROM HumanResources.EmployeeAddress EA WHERE EA.EmployeeID = E.EmployeeID) GO It is NOT necessary that every time when IN is replaced by EXISTS it gives better performance. However, in our case listed above it does for sure give better performance. Click on below image to see the execution plan. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: SQL, SQL Authority, SQL Optimization, SQL Performance, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Simple HTTP Framework and time issue

    - by Deniz Acay
    I'm using Simple Framework for my recent project, and there is a problem with the date headers generated by the system. I can get my local time from Date class correctly, but setDate method of Simple's Response class sets date in milliseconds and when i do that by calling System.currentTimeInMillis, dates in response headers are incorrect. is there any way to solve this problem with Simple Framework? If not, what can i do except calling set method with a date string? Thanks in advance... EDIT: Date in the headers are in wrong timezone. And i also tried Calendar.getInstance().getTimeInMilis() method.

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  • Bytes by MSDN - Let's talk Cloud

    - by Wallym
    While I was at DevConnections in Las Vegas, I was honored to be interviewed by Tim Huckaby for "Bytes by MSDN" on Cloud Computing. Here's a short intro from the talk:Do you believe in the Cloud? Wallace McClure, Founder and Architect of Scalable Development, Inc., does. His customers are extremely interested in the value and economies of scale that Cloud Computing, and more specifically, Windows Azure can bring. Building out an infrastructure that supports your web service or application can be expensive, complicated and time consuming. Or you could look to the Microsoft cloud. The Windows Azure platform is a flexible cloud–computing platform that lets you focus on solving business problems and addressing customer needs. Wally talks about all this, and more, in this interview with Tim Huckaby, and in his Windows Azure podcasts.

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  • My Lightning Talk in MP3 format

    - by Rob Farley
    Download it now via http://bit.ly/RFCollation  Lots of people tell me they wish they’d heard my Lightning Talk from the PASS Summit. This was the one that was five minutes, in which I explained Collation using examples comparing US English, UK English and Australian English. At the end, I showed my Arsenal thongs. You can see a picture of them below. There was a visual joke involving the name Arsenal too... After the recordings became available, I asked the PASS legal people, and they said I could do what I liked with my own five-minute set, so long as I didn’t sell it. So I made an MP3. I’ve uploaded it to the LobsterPot Solutions web server, and provided an easy link via http://bit.ly/RFCollation. It’s a link straight to the MP3, and you’re welcome to download it, put it on your iPod, whatever you like. And also feel free to write comments here, to let me know what you think.

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  • VOTE by 20 June for OpenWorld Talk on OWB with Non-Oracle Sources

    - by antonio romero
    OWB/ODI Linkedin Group member Suraj Bang has offered a topic through OpenWorld 2010 Suggest-a-Session at Oracle Mix: Extend ETL to Heterogeneous and Unstructured Data Sources with OWB 11gR2 To vote for this talk to appear, click through to: http://bit.ly/owb_km_openworld and click on the "Vote" button. Abstract follows: Beyond basic Oracle-to-Oracle ETL, data warehousing customers need to integrate data from multiple data sources spanning multiple database vendors, file formats(csv, xml, html) and unstructured data sources like pdf's and log files. This session describes experiences extending OWB 11gR2 to extract data from Postgres, SQL Server, MySQL and Sybase, PDF documents, and more for a major banking client's data warehousing project supporting IT operations. This included metadata extraction, custom knowledge module-based ETL and replacing ad-hoc perl and java extraction code with a manageable ETL solution built on OWB's extensible plaform. Note: You must vote for at least two other talks for your vote to count, so if you haven’t already picked your three, also consider: Case Study: Real-Time data warehousing and fraud detection with Oracle 11gR2.

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  • My Silverlight 4 talk at ConFoo Montreal

    Wednesday I did a Silverlight 4 talk at ConFoo (www.confoo.ca) very good conference in Montreal! As my public was mostly PHP dev I started by quickly introducing Silverlight, then showed several demos: Easy Painter: http://nokola.com/easypainter/ Physics Games: http://www.spritehand.com/ 3D: http://www.ingebrigtsen.info/silverlight/Balder/20100208/TestPage.html Bouncing Pane: http://weblogs.asp.net/lduveau/archive/2009/04/18/silverlight-3-the-amazing-bouncing-plane-demo.aspx ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Microsoft travaille sur Office Talk, un Twitter pour les entreprises : le projet est encore dans les

    Microsoft étudie un Twitter pour les entreprises Le projet baptisé Office Talk est encore dans les Office Labs Le projet n'en est encore qu'à ses tous débuts. Microsoft parle d'ailleurs toujours de "recherche" sur le site de ses Office Labs. Mais il semblerait bien que Redmond voit plus loin et ait réellement l'intention de lancer un outil de micro-blogging (de type Twitter) destiné aux entreprises et aux utilisateurs professionnels. Baptisé OfficeTalk, "il permettrait aux employés de poster leurs réflexions, leurs activités et des renseignements potentiellement utiles à tous ceux qui pourraient être intéressés par ces informations".

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  • Slide decks of Windows Phone 7 talk @ MoMo

    - by subodhnpushpak
    Hi, I presented a talk on Windows Phone 7 @ MoMo and got awesome response, even though WP7 is quite new still. I also demoed 2 applications on both emulator and the actual device. It enjoy the look on audience faces when they see the app actually work on actual device. I see a great opportunity on WP7 and everyone I met agrees on the fact the WP7 has a very bright future ahead. The Ecosystem which WP7 has (developing/ debugging tools, emulator, almost flat learning curve,  office/sharepoint integration a lively forum, marketplace) makes it a major player in mobile, already. Here is the slide – deck. Here are the details of the event. http://momodelhi11.eventbrite.com/#m_1_100 And here are few snap shots of the event. Windows Phone 7 Demo VIEW SLIDE SHOW DOWNLOAD ALL    Do provide your comments.

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  • Oracle 2012 Pre-Placement Talk Schedule

    - by user769227
    As we get closer to October, we are working to prepare for our upcoming Pre-Placements Talks at the IIT's across India.We now have confirmation from each IIT on our Pre-Placement Talk dates. For IIT students who are interested in graduate opportunities with Oracle and want to attend our Information Sessions please find the dates we will be visiting your respective colleges below. IIT  Date  IIT Kanpur October 5th 2012   IIT Mumbai October 13th 2012  IIT Delhi October 14th 2012  IIT Roorkee  October 19th 2012  IIT Guwahati  October 29th 2012  IIT Madras  October 30th 2012  IIT Kharagpur  October 30th 2012  We will make our presentations publicly available online after October 30th, however if you have any questions at all please feel free to email us at [email protected] and we will help where we can. We are looking forward to seeing you in October. 

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  • CodePlex learns to talk to other services!

    CodePlex is now able to talk to other services! For example, if you want CodePlex to tell Trello to update cards on your Trello board, it can do it. Or if you want CodePlex to notify your Campfire chat room when updates are pushed, it can do that too. To start off, we are going to be adding support for the following services: Campfire – Notify a Campfire chat room when commits occur HipChat – Notify a HipChat chat room when commits occur Trello – Add commit summaries to Trello cards by referencing those cards in commit messages Twitter – Notify your Twitter followers when updates are pushed to your project In addition, we will continue to support our existing integrations with Windows Azure – Continuously deploy to Windows Azure on pushes (For Git and Hg projects) AppHarbor – Continuously deploy to AppHarbor on pushes To set up these integrations for your project, navigate to the project settings page as a project coordinator, and click on the services section as seen below:   While we are starting with these six services, the infrastructure is now in place to allow us to quickly roll out new integrations. We would love to hear which services and integrations you would like to see most on our suggestions page. We realize that there are some services and URLs that only make sense for your project to send notifications to. To support this scenario, we plan to add generic web hooks in the near future. Have ideas on how to improve CodePlex? Please visit our suggestions page! Vote for existing ideas or submit a new one. As always you can reach out to the CodePlex team on Twitter @codeplex or reach me directly @Rick_Marron.    

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  • Gave a talk at SoCal Code Camp at USC today titled “Linq to Objects A-Z”

    - by dotneteer
    I gave a talk at SoCal Code Camp on Linq to Objects. With careful categorization of Linq functions, I was able to cover the entire set of Linq functions in only 35 minutes. I was able to spend the rest time on demos. In my first demo, I show I was able to write a top 20 URL type of query using 4 lines of library code and 9 line of Linq code without tools like Log Parser. I also demonstrated that I only need to change 2 lines of code from querying a single log file to a whole directory of log files. It would be as simple to run the query against multiple servers in parallel. In my second demo, I discussed how to turn into graph depth-first-search (DFS) and breath-first-search (BFS) in the a Linq queryable problem. The class LingToGraph contains the only DFS and BFS code I ever have to write; the rest could be done the the lambda passed to the DFS or BFS calls. In future blogs, I will provide more details explanation of code. Links: Link to Powerpoint slides. Link to demos.

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  • Using Simple XML and getting NoClassDefFoundError in Android

    - by Berat Onur Ersen
    I'm trying to use Simple XML to convert my java objects to XML format in my Android application. I'm getting NoClassDefFoundError at line Serializer serializer = new Persister(); java.lang.NoClassDefFoundError: org.simpleframework.xml.core.Persister I have simple-xml-2.6.1.jar in project class path and when I got NoClassDefFoundError I also put these 3 jars in classpath stax-1.2.0.jar stax-api-1.0.1.jar xpp3-1.1.3_8.jar but made no use. Still having NoClassDefFoundError. Any kind of help will be appreciated.Thank you.

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  • Need Simple way to access XML in VB.Net - Pain with Linq-to-Xml

    - by aiart
    Dim myXDoc As XDocument = _ I want to access this in a simple way in VB.Net - Like: Dim Integer SizeXStr = CInt(MyZDoc.Cameras(1).Camera_Desc.@SizeX) ' where (1) is an index Why isn't this implemented in VB.Net? Better yet, type the values with a Schema and eliminate the conversion. Is this so hard? How do I access, in a simple way, data in XML - this would be VERY VERY useful! I have been using Query to try to get the values - when I use MsgBox() to display results, they display, but my main Windows Form is Trashed - changed colors, etc. The system has Bugs. Instead, I have to create an elaborate structure of arrays of objects and read the XML line-by-line and do the same for saving - this is the dark ages. Art

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  • How to Deploy Simple Java Projects into EAR?

    - by Franco
    Hi, I am using MyEclipse and I use an Enterprise Application Project (EAP) that automattically deploys my Web and EJB Projects. These projects use some other projects that are just POJOs, "simple" java projects. Like a library kind of thing. The problem is that when I change something in on of the "simple" java projects I have to redeploy my entire EAP in my JBoss in order to see the changes. What I want is a way to automatically deploy those projects (POJOs) in the EAP, so hot code replacement works with those too. Any ideas?

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  • Chalk Talk with John: Business Value of Identity and Access Management

    - by John Brunswick
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt: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-family:"Calibri","sans-serif"; mso-ascii- mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi- mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Conveying the business value of Identity and Access Management to non technologists can potentially be challenging, especially considering the breadth capability supplied by these technologies. In this episode of Chalk Talk with John, Bob at Codeaway Valley asks Jim from Middleware Fields how they are able to manage access to buildings and facilities throughout their community. Bob and his team struggle to keep up with the needs of their community members, while ensuring the community’s safety. Jim shares his creative solution to simplifying the management of access throughout their community in Middleware Fields. Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt: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-family:"Calibri","sans-serif"; mso-ascii- mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi- mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} About me: Hi, I am John Brunswick, an Oracle Enterprise Architect. As an Oracle Enterprise Architect, I focus on the alignment of technical capabilities in support of business vision and objectives, as well as the overall business value of technology.  Before coming to Oracle, I was a Practice Manager within BEA System's Business Interaction Division consulting organization, orchestrating enterprise systems in support of line of business goals. Follow me on Twitter and visit my site for Oracle Fusion Middleware related tips.

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  • Windows Phone 7 Silverlight / XNA development talk

    - by subodhnpushpak
    Hi, I presented on Windows Phone 7 app development using Silverlight. Here are few pics from the event Windows Phone 7 development VIEW SLIDE SHOW DOWNLOAD ALL     I demonstrated the Visual studio, emulator capabilities/ features. An demo on Wp7 app communication with an OData Service, along with a demo on XNA app. There was lot of curious questions; I am listing them here because these keep on popping up again and again: 1. What tools does it takes to develop Wp7 app? Are they free? A typical WP7 app can be developed either using Silverlight or XNA. For developers, Visual Studio 2010 is a good choice as it provides an integrated development environment with lots of useful project templates; which makes the task really easy. For designers, Blend may be used to develop the UI in XAML. Both the tools are FREE (express version) to download and very intuitive to use. 2. What about the learning curve? If you know C#, (or any other programming language), learning curve is really flat. XAML (used for UI) may be new for you, but trust me; its very intuitive. Also you can use Microsoft Blend to generate the UI (XAML) for you. 3. How can I develop /test app without using actual device? How can I be sure my app runs as expected on actual device? The WP7 SDK comes along with an excellent emulator; which you can use for development/ testing on a computer. Later you can just change a setting and deploy the application on WP7. You will require Zune software for deploying the application on phone along with Developers key from WP7 marketplace. You can obtain key from marketplace by filling a form. The whole process for registering  is easy; just follow the steps on the site. 4. Which one should I use? Silverlight or XNA? Use Silverlight for enterprise/ business / utility apps. Use XNA for Games app. While each platform is capable / strong and may be used in conjunction as well; The methodologies used for development in these platforms are very different. XNA works on typical Do..While loop where as Silverlight works on event based methodology. 5. Where are the learning resources? Are they free? There is lots of stuff on WP7. Most of them are free. There is a excellent free book by Charles Petzold to download and http://www.microsoft.com/windowsphone is full of demos /todos / vidoes. All the exciting stuff was captured live and you can view it here; in case you were not able to catch it live!! @ http://livestre.am/AUfx. My talk starts from 3:19:00 timeline in the video!! Is there an app you miss on WP7? Do let me know about it and I may work on it for free !!! Keep discovering. Keep is Simple. WP7. Subodh

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  • Loop through XML::Simple structure

    - by David
    So I have some xml file like this: <?xml version="1.0" encoding="ISO-8859-1"?> <root result="0" > <settings user="anonymous" > <s n="blabla1" > <v>true</v> </s> <s n="blabla2" > <v>false</v> </s> <s n="blabla3" > <v>true</v> </s> </settings> </root> I want to go through all the settings using the XML Simple. Here's what I have when I print the output with Data::Dumper: $VAR1 = { 'settings' => { 'user' => 'anonymous', 's' => [ { 'n' => 'blabla1', 'v' => 'true' }, { 'n' => 'blabla2', 'v' => 'false' }, { 'n' => 'blabla3', 'v' => 'true' } ] }, 'result' => '0' }; And here's my code $xml = new XML::Simple; $data = $xml->XMLin($file); foreach $s (keys %{ $data->{'settings'}->{'s'} }) { print "TEST: $s $data->{'settings'}->{'s'}->[$s]->{'n'} $data->{'settings'}->{'s'}->[$s]->{'v'}<br>\n"; } And it returns these 2 lines, without looping: TEST: n blabla1 true TEST: v blabla1 true I also tried to do something like this: foreach $s (keys %{ $data->{'settings'}->{'s'} }) { Without any success: Type of arg 1 to keys must be hash (not array dereference) How can I procede? What am I doing wrong? Thanks a lot!

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  • Use different configurations with Simple Injection

    - by Ruben.Canton
    I'm using the library "Simple Injector" (http://simpleinjector.codeplex.com) and it looks cool and nice. But after building a configuration and use it, now I want to know how to change from one configuration to another. Scenario: Let's imagine I've set up a configuration in the Global Asax and I have the public and global Container there. Now I want to make some tests and I want them to use mock classes so I want to change the configuration. I can, of course, build another configuration and assign it to the global Container created by default, so that every time I run a test the alternative configuration will be set. But on doing that and though I'm in development context the Container is changed for everyone, even for normal requests. I know I'm testing in this context and that shouldn't matter, but I have the feeling that this is not the way for doing this... and I wonder how to change from one configuration to another in the correct way. Note: At Simple Injector documentation says that you can ask questions in stackoverflow so that's why I'm here. =P PD: I'm new in this IoC and DI world so try to be easy with me when explaining it :)

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  • Tech Talk: Managing Cloud Integration

    - by Tanu Sood
    Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; 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-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Cloud computing solutions are widely hailed as a way to reduce capital expenditures yet organizations are realizing they need to also consider all of the nuances of integrating cloud applications with existing information systems.Cloud integration, after all, has a direct impact on your costs, maintenance and upgrade efforts. Catch this conversation on Tech Talk with Oracle Vice President, Amit Zavery, to understand how Oracle Fusion Middleware provides a simple and consistent method to maintaining integration interfaces across disparate systems across cloud and on-premise applications. Simplify your IT infrastructure and seamlessly manage data and application integration across your applications with Oracle solutions. Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; 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-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} For other Fusion Middleware talks, subscribe to Fusion Middleware Radio today and visit us on oracle.com Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; 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-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Photo courtesy: www.cloudtweaks.com

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