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• How to Easily Reset a Computer Back to a Clean State Each Time It Boots

  - by Chris Hoffman

  When you’re managing a public computer, you need a special kind of tool. You need a way to reset that computer back to a clean state every time it boots so no one can make any harmful changes. Commercial solutions like Deep Freeze offer this feature, and Microsoft once offered it via its Windows Steady State tool for Windows XP and Vista. However, Windows Steady State has been discontinued and doesn’t work with Windows 7. We’ll be using Reboot Restore Rx for this, as it supports both Windows 7 and Windows 8. Steadier State is another solid option, but it only works in Windows 7, and even then only with Windows 7 Enterprise and Ultimate.    

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• Entity Framework - Optimistic Concurrency Issue

  - by Cranialsurge

  I have a windows service that runs every 10 seconds ... each time it runs, it takes some test data, modifies it and persists it to the database using the EntityFramework. However, on every second run, when I try to persist the change I get the following Optimistic Concurrency Exception:- Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted since entities were loaded. Refresh ObjectStateManager entries I know for a fact that there is nothing else writing to that DB but my service which updates records every 10 seconds. What could be causing the concurrency exception here ?

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• Logging erros in SqlLite database from C# Windows Forms Application

  - by Ismail S

  I'm developing a win app in C# which communicates to a WCF Service. I want to log exceptions that are thrown on client to be logged in Sql Lite Database (Win app is using Sql Lite database for storing data locally). And then later it should be sent to the wcf service when required so that it can be useful for support/analysis/application improvement. I want a method which can be directly called in every catch block simply by LogHelper.Log(ex). I would like to know if anyone has done it through Enterprise library or used any good practice for such situation?

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• What is a good pattern for binding a collection of objects coming from WCF, in Silverlight?

  - by Krishna

  Hi there, I've got a question about a Silverlight WCF Databinding pattern: There are many examples about how to bind data using {Binding} expressions in XAML, how to make async calls to a WCF service, set the DataContext property of a element in the UI, how to use ObservableCollections and INotifyPropertyChanged, INotifyCollectionChanged and so on. Background: I'm using the MVVM pattern, and have a Silverlight ItemsControl, whose ItemsSource is set to an ObservableCollection property on my ViewModel object. My view is of course the XAML which has the {Binding}. Say the model object is called 'Metric'. My ViewModel periodically makes calls to a WCF service that returns ObservableCollection. MetricInfo is the data transfer object (DTO). My question is two-fold: Is there any way to avoid copying each property of MetricInfo to the model class - Metric? When the WCF calls completes, is there any way to make sure I sync the items which are in both my local ObservableCollection and the result of the WCF call - without having to first clear out all the items in the local collection and then add all the ones from the WCF call result? thanks, Krishna

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• How to import a resource when using Castle Windsor

  - by Gilbert

  Hi, When using spring.net, i can use <springDestinations> <objects xmlns="http://www.springframework.net"> <import resource="file://~/Config/blablabla.xml"/> </objects> </springDestinations> Using Castle Windsor, i have the following components <components> <component id="Retriever" service="Model.Services.Remote.IRetriever, Model" type="Model.Services.Remote.Retriever, Model"> <parameters> <resourceUrl>http://localhost:8888/Service.svc/</resourceUrl> </parameters> </component> </components> I'd like to to hold my components in a separate xml file for production, development etc etc. Can this be done with Castle Windsor? Thanks :-)

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• Oracle Dojos: Oracle Wissen - Kompakt und Kostenlos

  - by Anne Manke

  Die kleinen, roten Oracle-DOJOS geben einen kurzen und kompakten Überblick über Oracle Technologien. Jedes Dojo greift dabei ein spezielles Themengebiet auf. Ob zum Thema Enterprise Manager 12c und Cloud Control oder Big Data Einführung, die Oracle Dojos geben Informationen über Theorie und Praxis, Tipps und Hinweise - alles in handlicher Form.  Die Dojos gibt es entweder online als PDF oder als kleine Büchlein (siehe Foto). Die bekommen Sie unseren Oracle-Veranstaltungen oder direkt bei uns. Holen Sie sich Ihr eigenes Dojo und rufen Sie uns noch heute an! Übrigens: "Dojo" ist japanisch und bedeutet Übungsraum oder Übungshalle. Und so wollen die Dojos auch gesehen werden: als Übungsbuch zur Erweiterung und Verbesserung des eigenen Wissens und der eigenen Fähigkeiten.     

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• Google I/O 2010 - ?Run corp apps on App Engine? Yes we do.

  Google I/O 2010 - ​Run corp apps on App Engine? Yes we do. Google I/O 2010 - ​Run corporate applications on Google App Engine? Yes we do. App Engine, Enterprise 201 Ben Fried, Irwin Boutboul, Justin McWilliams, Matthew Simmons Hear Google CIO Ben Fried and his team of engineers describe how Google builds on App Engine. If you're interested in building corp apps that run on Google's cloud, this team has been doing exactly that. Learn how these teams have been able to respond more quickly to business needs while reducing operational burden. For all I/O 2010 sessions, please go to code.google.com/events/io/2010/sessions.html From: GoogleDevelopers Views: 14 0 ratings Time: 55:53 More in Science & Technology

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• Cedarview drivers boot to a blank screen

  - by map7

  I'm following the tutorial following tutorial to get my Intel D2700DC motherboard's graphics working: http://daily.siebler.eu/2012/06/ubuntu-12-04-driver-for-intel-cedarview-atom-n2000-und-d2000-serie/ When I boot I'm getting a blank screen. I followed the tutorial and read all the comments. I've also tried: Install gdm and use this instead of lightdm (ubuntu default) sudo apt-get install gdm Remove previous pae kernel: http://www.liberiangeek.net/2011/11/remove-old-kernels-in-ubuntu-11-10-oneiric-ocelot/ Reboot before adding cedarview packages. Have tried with and without the "video=LVDS-1:d" to GRUB_CMDLINE_LINUX_DEFAULT variable in /etc/default/grub I still get a blank screen. I am plugged into a HD screen through the HDMI and have tried the DVI connector also. I can see the grub menu, then a little of the loading and then 'No signal'. I can still ssh into the box though so it is logging in. lspci -v -s 00:02.0 00:02.0 VGA compatible controller: Intel Corporation Atom Processor D2xxx/N2xxx Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller]) Subsystem: Intel Corporation Device 2011 Flags: bus master, fast devsel, latency 0, IRQ 45 Memory at 80100000 (32-bit, non-prefetchable) [size=1M] I/O ports at 20d0 [size=8] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: pvrsrvkm Kernel modules: cedarview_gfx uname -a Linux test-desktop 3.2.0-35-generic #55-Ubuntu SMP Wed Dec 5 17:45:18 UTC 2012 i686 i686 i386 GNU/Linux

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• Removing http301 redirect from client's cache

  - by ChessWhiz

  Hi, I have a server/client architecture where the client hits the ASP.NET server's service at a certain host name, IP address, and port. Without thinking, I logged on to the server and set up permanent HTTP301 redirection through IIS from that service to another URL that the machine handles via IIS (same IP and port), mistakenly thinking it was another site that is hosted there. When the client hit the server at the old host name, it cached the permanent redirect. Now, even though I have removed the redirection, the client no longer uses the old address. How can I clear the client's cache so that it no longer stores the redirect? I have read about how permanent HTTP301 can be, but in this case, it should be possible to reset a single client's knowledge of the incorrectly-learned host name. Any ideas?

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• Northwind Database

  - by Shyam

  How can I Install Northwind Database in SQL Managment Studio 2008 R2 Specification*strong text* MicrosoftWindowsXP Service Pack3 2002 version

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• How to make Xbox joypad work with Bastion?

  - by Alistair Buxton

  I have an XBox joypad: Bus 005 Device 004: ID 045e:0289 Microsoft Corp. Xbox Controller S When I start Bastion from the terminal the following is output: Number of joysticks: 1 Number of buttons for joystick: 0 - 10 Number of axes for joystick: 0 - 6 Number of PovHats for joystick: 0 - 1 When I load up the game it displays a message "press any key" and at this point, if I press a button on the joypad it advances to the main menu. However, the up/down/left/right controls do not work and the button will not operate the menu. When I enter the control configuration, the joypad section is disabled and displays a message "joypad not detected." If I enter the control customization and try to reconfigure one of the controls, noises can be heard when pressing joypad buttons, but the input is otherwise ignored. Further information which may or may not be relevant: My controller is an original Xbox controller, not a 360 controller. XNA games on Windows apparently only work with Xbox360 controllers because they use xinput rather than direct input, see eg here. My controller works (almost) properly with MonoGame trunk samples, but Bastion uses a modified MonoGame and crashes when run against trunk, so I can't add debugging to see where the problem is. Bug can also be reproduced with a Xbox 360 wired controller.

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• How to distribute email's delivery between 2 or more servers

  - by user181186

  We provide Email Marketing service through our online App. We have about 30 customers. And each one has it's own mailling list (5k to 20k emails each). What we really want is to distribute email's delivery between 2 or more servers. I was wondering What kind of aproach/solutions MailChimp , Constant Contact uses to provide a great service ? use many servers ? many IPs ? Our spam policy suspends ANY user/customer that gets 10% bounced .

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• Two Free Training Webcasts Open for Registration

  - by KKline

  We've got two sessions that you need to sign up for right away. The upcoming webcast for Oracle-oriented folks has huge registration numbers. So get in while you still can before we hit the limit of what LiveMeeting can handle. Pain of the Week: SQL Server for the Oracle DBA Webcast: SQL Server for the Oracle DBA Date: Thursday, May 27, 2010 (Just a couple days hence!) Time: 8 a.m. Pacific / 11 a.m. Eastern / 4 p.m. United Kingdom / 5 p.m. Central Europe Duration: 45-60 minutes Cost: FREE In enterprise...(read more)

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• Technology Fórum eloadások

  - by Lajos Sárecz

  Ma délelott lezajlott az Oracle Technology Fórum rendezvény. A Database szekcióban Tóth Csaba tartotta a nyitó eloadást, melyben az IT költségek csökkentési lehetoségeirol beszélt Oracle Database 11g felhasználásával. Ot követoen én beszéltem az Oracle Enterprise Manager által kínált extrém menedzsment képességekrol, amely ma már nem csak adatbázis menedzsmentet jelent, hanem a teljes alkalmazás infrastruktúra üzemeltetésre koncentrál, kiemelt figyelmet fordítva az üzlet valós kiszolgálására. Szünet elott még Mosolygó Feri tartott egy eloadást az adatbázis-kezelo és a felho kapcsolatáról, majd szünet után Fekete Zoltán folytatta a Database Machine bemutatásával. Zoli után ismét Mosolygó Feri tartott eloadást ezúttal az adatbázis biztonságról, majd én zártam a napot a kockázatmentes változáskezelés témával.

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• Accenture Launches Smart Grid Data Management Platform

  - by caroline.yu

  Accenture announced today it has launched the Accenture Intelligent Network Data Enterprise (INDE), a data management platform to help utilities design, deploy and manage smart grids. INDE's functionality can be enabled by an array of third party technologies. In addition, Accenture plans to offer utilities the option of implementing the INDE solution based on a pre-configured suite of Oracle technologies. The Oracle-based version of INDE will accelerate the design of smart grids and help reduce the costs and risks associated with smart grid implementation. Stephan Scholl, Senior Vice President and General Manager of Oracle Utilities said, "Oracle and Accenture share a common vision of how the smart grid will enable more efficient energy choices for utilities and their customers. Our combined expertise in delivering mission-critical smart grid applications, security, data management and systems integration can help accelerate utilities toward a more intelligent network now and as future needs arise." For the full press release, click here.

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• Parsing XML feed into Ruby object using nokogiri?

  - by Galen King

  Hi all, I am pretty green with coding in Ruby but am trying to pull an XML feed into a Ruby object as follows (ignore the ugly code please): <% doc = Nokogiri::XML(open("http://api.workflowmax.com/job.api/current?apiKey=#{@feed.service.api_key}&accountKey=#{@feed.service.account_key}")) %> <% doc.xpath('//Jobs/Job').each do |node| %> <h2><%= node['name'].text %></h2> <p><%= node['description'].text %></p> <% end %> Basically I want to iterate through each Job and output the name, description etc. What am I missing? Many thanks, Galen

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• At Collaborate 10 Next Week

  - by shay.shmeltzer

  I'm going to be at the Collaborate 10 conference next week doing a couple of sessions and hanging out in the JDeveloper booth at the demoground. My sessions are on Monday morning back to back: Developing Cutting Edge Web UI for Enterprise Applications - The Easy Way Monday, April 19 10:45 am - 11:45 am 401 The Fusion Development Experience Monday, April 19 12:00 pm - 12:30 pm 404 The first session will also be available for those watching the conference over the Web. If you want to see how Fusion applications are being built, and how you can use the same approach to do custom development for your applications, or create rich UIs for your applications then these would be good sessions to see. I'll also be doing shifts in the demo ground in a JDeveloper/ADF booth - so if you have any questions, complaints, or suggestions - or if you just want to understand what is this thing good for - come on over and we'll talk.

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• ASP.Net State Server on EC2 not connection

  - by CountCet

  I am trying to set up an Asp.Net State Server on Amazon EC2. The single web server using this State Server is also on EC2. I've done the following things. I've added the IIS role on the State Server. I changed the value in the registry to allow connections for the service and started the aspstate service. I verified it is listening on port 42424 by checking netstat. I edited the web.config of the Web server to point to this server. I added the the tcp port to my EC2 security group and allowed it for all incoming ip's. Anything else I am not doing?

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• Unit Testing Codeigniter Classes with fooStack - clashes

  - by DrPep

  I'm having 'fun' testing interactions in a CodeIgniter based web app. It seems when running the entire test suite "phpunit AllTests.php" it loads all of the test classes, their targets (Systems under Test) and creates a PHPUnit_Framework_TestSuite instance which presumably iterates over the classes which extend CIUnit_TestCase and runs them. The problem comes where you have multiple classes referencing another class (such as a library). As all the classes are loaded into the same process space, PHP reports "cannot redefine class xyz". Have I missed something here or doing something haenously wrong? In my test class i'm doing something like: include_once dirname(__FILE__).'/../CIUnit.php'; include_once dirname(__FILE__).'/../../libraries/ProductsService.php'; class testProductsService extends CIUnit_TestCase { public function testGetProducts_ReturnsArrayOfProducts(){ $service = new ProductsService(); $products = $service->getProducts(); $this->assertTrue(is_array($products)); } } The problem manifests as I have a controller which does: $this->load->library('ProductsService');

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• WCF DataContracts and underlying data structures

  - by Xerx

  I am wondering what makes sense in relation to what objects to expose through a WCF service - should I add WCF Serialization specifications to my business entities or should I implement a converter that maps my business entities to the DataContracts that I want to expose through my WCF service? Right now I have entities on different levels: DataAccess, Business and Contract. I have converters in place that can map entities from DataAccess to Business and from Business to Contract and vice versa. Implementing and Maintaining those is time consuming and pretty tedious. What are best practices in relation to this? If I were using an OR/M such as NHibernate or Entity Framework should I be exposing the entities from the ORM directly or should I abstract them the same way I am doing now? Thanks in advance.

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• Gartner: Magic Quadrant for Corporate Performance Management Suites, 2012

  - by Mike.Hallett(at)Oracle-BI&EPM

  Hyperion clearly leads the pack again in Gartner’s analysis of the CPM / EPM market, saying; “Oracle is a Leader in CPM suites, with one of the most widely distributed solutions in the market. Oracle Hyperion Enterprise Performance Management is recognized by CFOs worldwide. The vendor has a well-established partner channel, with both large and smaller CPM SI specialists. Hyperion skills are also plentiful among the independent consultant community, given the well-established products. “ “Oracle continues to innovate, bringing incremental improvements across the portfolio as well as new financial close management, disclosure management and predictive planning additions. Furthermore, Oracle has improved integration of Hyperion with the Oracle BI platform, and has improved planning performance, enabling Hyperion Planning to use Oracle Exalytics In-Memory Machine.” For the full article see here: Gartner: Magic Quadrant for Corporate Performance Management Suites, 2012 And if you missed it, here is also the MQ for BI: Gartner: Magic Quadrant for Business Intelligence Platforms, 2012

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• In case you missed our Febrary Oracle Database Webcasts....

  - by jenny.gelhausen

  Click below to register and listen to the February Database Webcast replays: Maximize Availability with Oracle Database 11g with Oracle Database expert Joe Meeks. Think Your Database Applications are Secure? Think Again. with Oracle Security expert Roxana Bradescu. SANS Oracle Database Security: A Defense in Depth Approach with SANS senior instructor Tanya Baccam. Upgrading to Oracle Database 11g with Roger Snowden from Oracle Support's Center of Expertise. Consolidate for Business Advantage: From Storage to Scorecard with Oracle Business Intelligence and Enterprise Performance Management expert Tobin Gilman. Enjoy! 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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• OS Analytics Post and Discussion

  - by Owen Allen

  Eran Steiner has written an interesting piece over on the Enterprise Manager blog about the OS Analytics feature of Ops Center. OS Analytics gives you a huge amount of information about the characteristics of managed operating systems and lets you track changes to these characteristics over time. Take a look; it's a useful feature. The OS Analytics feature is also the subject of the community call this week (Eran is leading that one too). It's at 11 am EST. To join the conference: Go to https://oracleconferencing.webex.com/oracleconferencing/j.php?ED=209833067&UID=1512092402&PW=NY2JhMmFjMmFh&RT=MiMxMQ%3D%3D If requested, enter your name and email address. If a password is required, enter the meeting password: oracle123 Click Join. To dial into the conference, dial 1-866-682-4770 (US/Canada) or go here for the numbers in other countries. The conference code is 7629343# and the security code is 7777#.

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• Choosing the Right Financial Consolidation and Reporting Solution

  Financial reporting requirements for publicly-held companies are changing and getting more complex. With the upcoming convergence of US GAAP and IFRS, demand for more detailed non-financial disclosures, and the SEC mandate for XBRL financial executives are under pressure to ensure they have the right systems in place to support current and future reporting requirements. Tune into this conversation with Rich Clayton, VP of Enterprise Performance Management and BI products for Oracle, and Annette Melatti, Senior Director of Product Marketing for Financial Applications to learn about the latest market requirements, what capabilities are provided by Oracle's General Ledgers, and how customers can extend their investment in Oracle General Ledger solutions with Oracle's market-leading financial close and reporting products.

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• how to profile silverlight mvvm application with a lot of custom controls

  - by tomo

  There is a quite big LOB silverlight application and we wrote a lot of custom controls which are rather heavy in drawing. All data is loaded by RIA service, processed and bound (using INofityPropertyChanged interface) to the view. The problem is that first drawing takes a lot time. Following calls to the service (server) and redrawing is quite fast. I used Equatec profiler to track the problem. I saw that processing takes a couple of miliseconds only so my idea is that the drawing by SL engine is slow. I'm wondering if it is possible to profile somehow processes inside SL to check which drawing operations are taking too much time. Are there any guidelines how to implement faster drawing of complex custom controls?

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