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• Pricing: Meet or Beat?

  - by charles.knapp

  My home dishwasher started making some really interesting noises. I heard radio advertisements from two retailers who promised to meet any competitor's price. Then, I heard another retailer promising that their everyday prices beat their competitors. That got me to thinking about the power of pricing and promotions in the marketing mix (product, price, placement, promotions, and people). What is more powerful to say in a competitive market: your company will meet a similar offer, or your company will beat the others? Will you sell more if you meet or if you beat? I found that the retailer who promised to beat the others really had the best everyday pricing. Even better for me, another retailer had an exclusive promotional sale for long-term customers. Their loyalty promotion beat the best everyday discounter. So, I got the quality and performance I wanted at a tremendous price. So, I have two challenges for marketers. First, where you really have to compete on price as a dominant factor, give people strong reasons to do business with you. If you try to meet other's prices, make the leap to actually beat and not merely meet. Second, upgrade your firm's capabilities where needed. Oracle offers a complete range of great CRM software for loyalty management, marketing promotions, and pricing management that will help you to grow your business.

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• What is a Data Warehouse?

  Typically Data Warehouses are considered to be non-volatile in comparison to traditional databasesdue to the fact that data within the warehouse does not change that often.  In addition, Data Warehouses typically represent data through the use of Multidimensional Conceptual Views that allow data to be extracted based on the view and the current position within the view. Common Data Warehouse Traits Relatively Non-volatile Data Supports Data Extraction and Analysis Optimized for Data Retrieval and Analysis Multidimensional Views of Data Flexible Reporting Multi User Support Generic Dimensionality Transparent Accessible Unlimited Dimensions of Data Unlimited Aggregation levels of Data Normally, Data Warehouses are much larger then there traditional database counterparts due to the fact that they store the basis data along with derived data via Multidimensional Conceptual Views. As companies store larger and larger amounts of data, they will need a way to effectively and accurately extract analysis information that can be used to aide in formulating current and future business decisions. This process can be done currently through data mining within a Data Warehouse. Data Warehouses provide access to data derived through complex analysis, knowledge discovery and decision making. Secondly, they support the demands for high performance in regards to analyzing an organization’s existing and current data. Data Warehouses provide support for an organization’s data and acquired business knowledge.  Within a Data Warehouse multiple types of operations/sub systems are supported. Common Data Warehouse Sub Systems Online Analytical Processing (OLAP) Decision –Support Systems (DSS) Online Transaction Processing (OLTP)

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• Timeout Considerations for Solicit Response

  - by Michael Stephenson

  Background One of the clients I work with had been experiencing some issues for a while surrounding web service timeouts.  It's been a little challenging to work through the problems due to limitations in the diagnostic information available from one of the applications, but I learned some interesting things while troubleshooting the problem which don't seem to have been discussed much in the community so I thought I'd share my findings. In the scenario we have BizTalk trying to make calls to a .net web service which was exposed as a WSE 2 endpoint.  In the process BizTalk will try to make a large number of concurrent web service calls to the application, and the backend application has more than enough infrastructure and capability to handle the load. We have configured the <ConnectionManagement> section of the BizTalk configuration file to support up to 100 concurrent connections from each of our 2 BizTalk send servers to the web servers of the application. The problem we were facing was that the BizTalk side was reporting a significant number of timeouts when calling the web service.   One of the biggest issues was the challenge of being able to correlate a message from BizTalk to the IIS log in the .net application and the custom logs in the application especially when there was a fairly large number of servers hosting the web services.  However the key moment came when we were able to identify a specific call which had taken 40 seconds to execute on the server (yes a long time I know but that's a different story!).  Anyway we were able to identify that this had timed out on the BizTalk side.  Based on the normal 2 minute timeout we knew something unexpected was going on. From here I decided to do some experimentation and I wanted to start outside of BizTalk because my hunch was this was not a BizTalk behaviour but something which was being highlighted by BizTalk because of our large load.     Server-side - Sample Web Service To begin with I created a sample web service.  Nothing special just a vanilla asmx web service hosted in IIS6 on Windows 2003 Standard Edition.  The web service is just a hello world style web service as shown in the below picture.  The only key feature is that the server side web method has a 30 second sleep in it and will trace out some information before and after the thread is set to sleep.      In the configuration for this web service there again is nothing special it's pretty much the most plain simple web service you could build. Client-Side To begin looking at what was happening with our example I created a number of different ways to consume the web service. SoapHttpClientProtocol Example I created a small application which would use a normal proxy generated to call the web service.  It would iterate around a loop and make calls using the begin/end methods so I can do this asynchronously.  I would do a loop of 20 calls with the ConnectionManager configuration section supporting only 5 concurrent connections to the server.     <connectionManagement> <remove address="*"/> <add address = "*" maxconnection = "12" /> <add address = "http://<ServerName>" maxconnection = "5" />                         </connectionManagement> </system.net>     The below picture shows an example of the service calling code, key points are: I have configured the timeout of 40 seconds for the proxy I am using the asynchronous methods on the proxy to call the web service         The Test I would run the client and execute 21 calls to the web service.   The Results  Below is the client side trace showing what's happening on the client. In the below diagram is the web service side trace showing what's happening on the server Some observations on the results are: All of the calls were successful from the clients perspective You could see the next call starting on the server as soon as the previous one had completed Calls took significantly longer than 40 seconds from the start of our call to the return. In fact call 20 took 2 minutes and 30 seconds from the perspective of my code to execute even though I had set the timeout to 40 seconds     WSE 2 Sample In the second example I used the exact same code to call the web service again with a single exception that I modified the web service proxy to derive from WebServiceClient protocol which is part of WSE 2 (using SP3).  The below picture shows the basic code and the key points are: I have configured the timeout of 40 seconds for the proxy I am using the asynchronous methods on the proxy to call the web service        The Test This test would execute 21 calls from the client to the web service.   The Results  The below trace is from the client side: The below trace is from the server side:   Some observations on the trace results for this scenario are: With call 4 if you look at the server side trace it did not start executing on the server for a number of seconds after the other 4 initial calls which were accepted by the server. I re-ran the test and this happened a couple of times and not on most others so at this point I'm just putting this down to something unexpected happening on the development machine and we will leave this observation out of scope of this article. You can see that the client side trace statement executed almost immediately in all cases All calls after the initial few calls would timeout On the client side the calls that did timeout; timed out in a longer duration than the 40 seconds we set as the timeout You can see that as calls were completing on the server the next calls were starting to come through The calls that timed out on the client did actually connect to the server and their server side execution completed successfully     Elaboration on the findings Based on the above observations I have drawn the below sequence diagram to illustrate conceptually what is happening.  Everything except the final web service object is on the client side of the call. In the diagram below I've put two notes on the Web Service Proxy to show the two different places where the different base classes seem to start their timeout counters. From the earlier samples we can work out that the timeout counter for the WSE web service proxy starts before the one for the SoapHttpClientProtocol proxy and the WSE one includes the time to get a connection from the pool; whereas the Soap proxy timeout just covers the method execution. One interesting observation is if we rerun the above sample and increase the number of calls from 21 to 100,000 then for the WSE sample we will see a similar pattern where everything after the first few calls will timeout on the client as soon as it makes a connection to the server whereas the soap proxy will happily plug away and process all of the calls without a single timeout. I have actually set the sample running overnight and this did happen. At this point you are probably thinking the same thoughts I was at the time about the differences in behaviour and which is right and why are they different? I'm not sure there is a definitive answer to this in the documentation, or at least not that I could find! I think you just have to consider that they are different and they could have different effects depending on your messaging solution. In lots of situations this is just not an issue as your concurrent requests doesn't get to the situation where you end up throttling the web service calls on the client side, however this is definitely more common with an integration broker such as BizTalk where you often have high throughput requirements.  Some of the considerations you should make Based on this behaviour you should be aware of the following: In a .net application if you are making lots of concurrent web service calls from an application in an asynchronous manner your user may thing they are experiencing poor performance but you think your web service is working well. The problem could be that the client will have a default of 2 connections to remote servers so you should bear this in mind When you are developing a BizTalk solution or a .net solution with the WSE 2 stack you may experience timeouts under load and throttling the number of connections using the max connections element in the configuration file will not help you For an application using WSE2 or SoapHttpClientProtocol an expired timeout will not throw an error until after a connection to the server has been made so you should consider this in your transaction and durability patterns     Our Work Around In the short term for our specific scenario we know that we can handle this by just increasing our timeout value.  There is only a specific small window when we get lots of concurrent traffic that causes this scenario so we should be able to increase the timeout to take into consideration the additional client side wait, and on the odd occasion where we do get a timeout the BizTalk send port retry will handle this. What was causing our original problem was that for that short window we were getting a lot of retries which significantly increased the load on our send servers and highlighted the issue.  Longer Term Solution As a longer term solution this really gives us more ammunition to argue a migration to WCF. The application we are calling has some factors which limit the protocols we can use but with WCF we would have more control on the various timeout options because in WCF you can configure specific parts of the timeout. Summary I've had this blog post on my to do list for ages but hopefully it will be useful to some people to just understand this behaviour and to possibly help you with some performance issues you may have. I do not believe there is too much in the way of documentation particularly around WSE2 and ASMX in this area so again another bit of ammunition for migrating to WCF. I'll try to do a follow up post with the sample for WCF to show how this changes things.

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• Sams Teach Yourself Windows Phone 7 Application Development in 24 Hours

  - by Nikita Polyakov

  I am extremely proud to announce that book I helped author is now out and available nationwide and online! Sams Teach Yourself Windows Phone 7 Application Development in 24 Hours It’s been a a great journey and I am honored to have worked with Scott Dorman, Joe Healy and Kevin Wolf on this title. Also worth mentioning the great work that editors from Sams and our technical reviewer Richard Bailey have put into this book! Thank you to everyone for support and encouragement! You can pick up the book from: http://www.informit.com/store/product.aspx?isbn=0672335395 http://www.amazon.com/Teach-Yourself-Windows-Application-Development/dp/0672335395  Here is the cover to look for in the stores: Description: Covers Windows Phone 7.5 In just 24 sessions of one hour or less, you’ll learn how to develop mobile applications for Windows Phone 7! Using this book’s straightforward, step-by-step approach, you’ll learn the fundamentals of Windows Phone 7 app development, how to leverage Silverlight or the XNA Framework, and how to get your apps into the Windows Marketplace. One step at a time, you’ll master new features ranging from the new sensors to using launchers and choosers. Each lesson builds on what you’ve already learned, helping you get the job done fast—and get it done right! Step-by-step instructions carefully walk you through the most common Windows Phone 7 app development tasks. Quizzes and exercises at the end of each chapter help you test your knowledge. By the Way notes present interesting information related to the discussion. Did You Know? tips offer advice or show you easier ways to perform tasks. Watch Out! cautions alert you to possible problems and give you advice on how to avoid them. Learn how to... Choose an application framework Use the sensors Develop touch-friendly apps Utilize push notifications Consume web data services Integrate with Windows Phone hubs Use the Bing Map control Get better performance out of your apps Work with data Localize your apps Use launchers and choosers Market and sell your apps Thank you!

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• Message Queue: Which one is the best scenario?

  - by pandaforme

  I write a web crawler. The crawler has 2 steps: get a html page then parse the page I want to use message queue to improve performance and throughput. I think 2 scenarios: scenario 1: structure: urlProducer -> queue1 -> urlConsumer -> queue2 -> parserConsumer urlProducer: get a target url and add it to queue1 urlConsumer: according to the job info, get the html page and add it to queue2 parserConsumer: according to the job info, parse the page scenario 2: structure: urlProducer -> queue1 -> urlConsumer parserProducer-> queue2 -> parserConsumer urlProducer : get a target url and add it to queue1 urlConsumer: according to the job info, get the html page and write it to db parserProducer: get the html page from db and add it to queue2 parserConsumer: according to the job info, parse the page There are multiple producers or consumers in each structure. scenario1 likes a chaining call. It's difficult to find the point of problem, when occurring errors. scenario2 decouples queue1 and queue2. It's easy to find the point of problem, when occurring errors. I'm not sure the notion is correct. Which one is the best scenario? Or other scenarios? Thanks~

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• Can't boot into windows7/ubuntu 12.04 after running boot-repair

  - by Rini

  I have installed Ubuntu 12.04 on my preinstalled windows 7 Sony vaio E series laptop following instructions here: http://www.linuxbsdos.com/2012/05/17/how-to-dual-boot-ubuntu-12-04-and-windows-7/ Everything went well and I am able to boot in to windows after complete installation of Ubuntu. Now following instructions on web I tried to add Ubuntu to my BIOS using Easy BCD (but forget to add windows 7 entry). As a result, I loose windows 7 OS and can't boot in to either OS then I successfully repaired windows 7 using recovery CD. Now my problem is that I can't reinstall Ubuntu 12.04 using Live CD it halts every time before disk partition step giving error. "ubi-partman crashed". "ubi-partman failed with exit code 141. further information may be found in /var/log/syslog. Do you want to try running this step again before continuing? If you do not, your installation may fail entirely or may be broken." and, any choice to continue will result in the same error. After that following some post solutions I ran boot-repair commands in terminal ( in Try Ubuntu mode) and got the following URL: http://paste.ubuntu.com/1206434/ Now, after restart I can't boot into either Windows or Ubuntu. Even any attempt to run Windows repair is failed and I got the message : 'No operating System found' I don't know what went wrong after running boot-repair command. Please help in solving this issue. Thanks and Regards, R Shukla

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• Pricing: Meet or Beat?

  - by charles.knapp

  My home dishwasher started making some really interesting noises. It was time to shop. I heard radio advertisements from two retailers who promised to meet any competitor's price. Then, another retailer promised that their everyday prices beat their competitors. That got me to thinking about the power of pricing and promotions in the marketing mix (product, price, placement, promotions, and people). What is more powerful to say in a competitive market: your company will meet a similar offer, or your company will beat the others? Will you sell more if you meet or if you beat? I found that the retailer who promised to beat the others really had the best everyday pricing. I was close to making a purchase. Then, another retailer had an exclusive promotional sale for long-term customers. Their loyalty promotion beat the best everyday discounter. So, I got the quality and performance I wanted at a tremendous price. So, I have two challenges for marketers. First, where you really have to compete on price as a dominant factor, give people strong reasons to do business with you. If you try to meet other's prices, make the leap to actually beat and not merely meet competitor prices. Second, upgrade your firm's capabilities where needed. Oracle offers a complete range of great CRM capabilities for loyalty management, marketing promotions, and pricing management that will help you to grow your business.

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• Dynamic/Adaptive RLE

  - by Lucius

  So, I'm developing a 2D, tile based game and a map maker thingy - all in Java. The problem is that recently I've been having some memory issues when about 4 maps are loaded. Each one of these maps are composed of 128x128 tiles and have 4 layers (for details and stuff). I already spent a good amount of time searching for solutions and the best thing I found was run-length enconding (RLE). It seems easy enough to use with static data, but is there a way to use it with data that is constantly changing, without a big drop in performance? In my maps, supposing I'm compressing the columns, I would have 128 rows, each with some amount of data (hopefully less than it would be without RLE). Whenever I change a tile, that whole row would have to be checked and I'm affraid that would slow down too much the production (and I'm in a somewhat tight schedule). Well, worst case scenario I work on each map individually, and save them using RLE, but it would be really nice if I could avoind that. EDIT: What I'm currently using to store the data for the tiles is a 2D array of HashMaps that use the layer as key and store the id of the tile in that position - like this: private HashMap< Integer, Integer [][]

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• CodePlex Daily Summary for Saturday, November 27, 2010

  CodePlex Daily Summary for Saturday, November 27, 2010Popular ReleasesMahTweets for Windows Phone: Nightly 69: Latest nightly for build 69XamlQuery/WPF - The Write Less, Do More, WPF Library: XamlQuery-WPF v1.2 (Runtime, Source): This is the first release of popular XamlQuery library for WPF. XamlQuery has already gained recognition among Silverlight developers.Math.NET Numerics: Beta 1: First beta of Math.NET Numerics. Only contains the managed linear algebra provider. Beta 2 will include the native linear algebra providers along with better documentation and examples.WatchersNET.SiteMap: WatchersNET.SiteMap 01.03.02: Whats NewNew Tax Filter, You can now select which Terms you want to Use.Minecraft GPS: Minecraft GPS 1.1: 1.1 Release New Features Compass! New style. Set opacity on main window to allow overlay of Minecraft.Microsoft All-In-One Code Framework: Visual Studio 2010 Code Samples 2010-11-25: Code samples for Visual Studio 2010Typps (formerly jiffycms) wysiwyg rich text HTML editor for ASP.NET AJAX: Typps 2.9: -When uploading files (not images), through the file uploader and the multi-file uploader, FileUploaded and MultiFileUploaded event handlers were reporting an empty event argument, this is fixed now. -Fixed also url field not updating when uploading a file ( not image)Wii Backup Fusion: Wii Backup Fusion 0.8.5 Beta: - WBFS repair (default) options fixed - Transfer to image fixed - Settings ui widget names fixed - Some little bug fixes You need to reset the settings! Delete WiiBaFu's config file or registry entries on windows: Linux: ~/.config/WiiBaFu/wiibafu.conf Windows: HKEY_CURRENT_USER\Software\WiiBaFu\wiibafu Mac OS X: ~/Library/Preferences/com.wiibafu.wiibafu.plist Caution: This is a BETA version! Errors, crashes and data loss not impossible! Use in test environments only, not on productive syste...Minemapper: Minemapper v0.1.3: Added process count and world size calculation progress to the status bar. Added View->'Status Bar' menu item to show/hide the status bar. Status bar is automatically shown when loading a world. Added a prompt, when loading a world, to use or clear cached images.SQL Monitor: SQL Monitor 1.4: 1.added automatically load sql server instances 2.added friendly wait cursor 3.fixed problem with 4.0 fx 4.added exception handlingSexy Select: sexy select v0.4: Changes in v0.4 Added method : elements. This returns all the option elements that are currently added to the select list Added method : selectOption. This method accepts two values, the element to be modified and the selected state. (true/false)Deep Zoom for WPF: First Release: This first release of the Deep Zoom control has the same source code, binaries and demos as the CodeProject article (http://www.codeproject.com/KB/WPF/DeepZoom.aspx).Simple Service Locator: Simple Service Locator v0.12: The Simple Service Locator is an easy-to-use Inversion of Control library that is a complete implementation of the Common Service Locator interface. It solely supports code-based configuration and is an ideal starting point for developers unfamiliar with larger IoC / DI libraries New features in this release Collections that are registered using RegisterAll<T> can now be injected using automatic constructor injection. A new RegisterAll<T>(params T[]) method overload is added that allows ea...BlogEngine.NET: BlogEngine.NET 2.0 RC: This is a Release Candidate version for BlogEngine.NET 2.0. The most current, stable version of BlogEngine.NET is version 1.6. Find out more about the BlogEngine.NET 2.0 RC here. If you want to extend or modify BlogEngine.NET, you should download the source code. To get started, be sure to check out our installation documentation and the installation screencast. If you are upgrading from a previous version, please take a look at the Upgrading to BlogEngine.NET 2.0 instructions. As this ...NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel Template, version 1.0.1.156: The NodeXL Excel template displays a network graph using edge and vertex lists stored in an Excel 2007 or Excel 2010 workbook. What's NewThis release adds a feature for aggregating the overall metrics in a folder full of NodeXL workbooks, adds geographical coordinates to the Twitter import features, and fixes a memory-related bug. See the Complete NodeXL Release History for details. Please Note: There is a new option in the setup program to install for "Just Me" or "Everyone." Most people...VFPX: FoxBarcode v.0.11: FoxBarcode v.0.11 - Released 2010.11.22 FoxBarcode is a 100% Visual FoxPro class that provides a tool for generating images with different bar code symbologies to be used in VFP forms and reports, or exported to other applications. Its use and distribution is free for all Visual FoxPro Community. Whats is new? Added a third parameter to the BarcodeImage() method Fixed some minor bugs History FoxBarcode v.0.10 - Released 2010.11.19 - 85 Downloads Project page: FoxBarcodeDotNetAge -a lightweight Mvc jQuery CMS: DotNetAge 1.1.0.5: What is new in DotNetAge 1.1.0.5 ?Document Library features and template added. Resolve issues of templates Improving publishing service performance Opml support added. What is new in DotNetAge 1.1 ? D.N.A Core updatesImprove runtime performance , more stabilize. The DNA core objects model added. Personalization features added that allows users create the personal website, manage their resources, store personal data DynamicUIFixed the PageManager could not move page node bug. ...ASP.NET MVC Project Awesome (jQuery Ajax helpers): 1.3.1 and demos: A rich set of helpers (controls) that you can use to build highly responsive and interactive Ajax-enabled Web applications. These helpers include Autocomplete, AjaxDropdown, Lookup, Confirm Dialog, Popup Form and Pager tested on mozilla, safari, chrome, opera, ie 9b/8/7/6MDownloader: MDownloader-0.15.24.6966: Fixed Updater; Fixed minor bugs;WPF Application Framework (WAF): WPF Application Framework (WAF) 2.0.0.1: Version: 2.0.0.1 (Milestone 1): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Remark The sample applications are using Microsoft’s IoC container MEF. However, the WPF Application Framework (WAF) doesn’t force you to use the same IoC container in your application. You can use ...New ProjectsCommunity Megaphone for Windows Phone: The Official CommunityMegaphone application for Windows Phone. Releases are in XAP format, allowing you to upload the compiled application into a device using the Windows Phone Application Deployment tool. Download the source code to learn how to build Windows Phone applications.Group positioning GPS: this is a project for a subject in the university geographic information systems, its about a group of gadjets that can know the position of the other devices in the same group.IIS HTTPS Binder: On IIS 7 that you can not create more than one HTTPS binding, even though you have more then one SSL certificate and you need HTTPS binding on different hosted websites. If you have one IP address you can bind only one SSL to chosen website. This small application can fix this.Inspired Faith Now Playing: A ClickOnce-deployed desktop application that sits in your application tray and notifies you when any of your favorite Messianic Jewish and Christian artists or songs play on the Inspired Faith online radio station (http://inspiredfaith.org)MA Manager: The goal of this software is to help manage a martial arts school through multiple clients and platforms. This allows instructors to easily track students progress overtime.MathModels: This project contains commonly used algorithm implementations in C# .netMyFlickr API: MyFlickr API is a library for developers allows them to call Flickr API from any .Net Application.NerdOnRails.DynamicProxy: a small dynamic-proxy implementation using the new dynamic object that was introduced with .Net 4.NerdOnRails.Injector: a small dependency injection framework for .netNHyperV: NHyperV is a C# Hyper-V programming model.Power Scheme Switcher: This is a very simple utility that exposes an icon in the system tray and allows you to quickly change the Power Plan Scheme from there. It is developed in c# with Vs 2010(WinForm)rcforms: Custom sharepoint forms exampleRobo Commander: This is a Lego NXT commander developed under Visual Studio. This console will have basic commands and uses the NXT++ libraries. Shared Genomics Project - Workbench Codebase: The Shared Genomics workbench enables a diverse user group of researchers to explore the associations between genetic and other factors in their datasets. It provides a graphical user interface to the analysis functions published in a sister Codeplex project i.e. MPI Codebase.SharePoint 2010 PowerShell v2 reference: This project hosts a complete PowerShell v2 reference for SharePoint 2010.Social PowerFlow: Experiments with PowerWF and the social network - integrating Windows Powershell and Windows Workflow Foundation with Facebook and TwitterTweetSayings: Twitter SayingsXamlQuery/WPF - The Write Less, Do More, WPF Library: XamlQuery/WPF is a lightweight yet powerful library that enables rapid development in WPF. It simplifies several tasks like page/window traversing; finding controls by name, type, style, property value or position in control tree; event handling; animating and much more.XmlDSigEx XML Digital Signature Library: The XmlDSigEx library is an alternative to using the SignedXml classes in the .Net Framework. It addresses some of the shortcomings of the standard types particularly in regards to canonicalisation and the enveloped transform. It is currently under development.Yoi's Online Project: This is online storage for Yovi's project?????? ???? ???: ?????? ???? ?? ????? ??? ?????? ? ??????? ?? ???? ??? ????

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• Effective way to check if an Entity/Player enters a region/trigger

  - by Chris

  I was wondering how multiplayer games detect if you enter a special region. Let's assume there is a huge map that is so big that simply checking it would become a huge performance issue. I've seen bukkit (a modding API for Minecraft servers) firing an Event on every single move. I don't think that larger games do the same because even if you have only a few coordinates you are interested in, you have to loop through a few trigger zone to see if the player is inside your region - for every player. This seems like an extremely CPU-intense operation to me even though I've never developed something like that. Is there a special algorithm that is used by larger games to accomplish this? The only thing I could imagine is to split up the world into multiple parts and to register the event not on the movement itself but on all the parts that are covered by your area and only check for areas that are registered in the current part. And another thing I would like to know: How could you detect when someone must have entered a trigger but you never saw him directly in it since his client only sent you an move packet shortly before entering and after leaving the trigger area. Drawing a line and calculate all colliding parts seems rather CPU intensive if you have to perform it every time.

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• CodePlex Daily Summary for Thursday, June 21, 2012

  CodePlex Daily Summary for Thursday, June 21, 2012Popular ReleasesuComponents: uComponents v3.1.1: Continuing on from 84817, we are proud to announce our 3.1.1 release! The following issues have been resolved: 14640 14696 14704 14724 Please note: This release is not to be confused with the upcoming 80410 (which will support .NET 4.0)MVVM Light Toolkit: V4RTM (binaries only) including Windows 8 RP: This package contains all the latest DLLs for MVVM Light V4 RTM. It includes the DLLs for Windows 8 Release Preview. An updated Nuget package is also available at http://nuget.org/packages/MvvmLightLibs An installer with binaries, snippets and templates will follow ASAP.Weapsy - ASP.NET MVC CMS: 1.0.0: - Some changes to Layout and CSS - Changed version number to 1.0.0.0 - Solved Cache and Session items handler error in IIS 7 - Created the Modules, Plugins and Widgets Areas - Replaced CKEditor with TinyMCE - Created the System Info page - Minor changesAuto Proxy Configuration: Windows Proxy Setup V1.2: Bug FixesXDA ROM Hub: XDA ROM HUB v0.5: Added XRH Backup -- Backup & restore data, system and cache USE AT YOUR OWN RISK! - USE ONLY IN RECOVERY!AcDown????? - AcDown Downloader Framework: AcDown????? v3.11.7: ?? ●AcDown??????????、??、??????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ??：????????Windows XP???,?????????.NET Framework 2.0???(x86)，?????"?????????"??? ??????????????，??????????： ??"AcDown?????"????????? ...Apex: Apex 1.4: Apex 1.4Apex 1.4 provides a framework for rapid MVVM development. Download Apex 1.4 to get the core binaries, Visual Studio Extensions, Project Templates, Samples and Documentation. The 1.4 Release provides a vast number of enhancements via the Apex Broker. The Apex Broker is an object that can be used to retrieve models, get the view for a view model and more, much like an IoC container. The new Zune Style application templates for WPF and Silverlight give a great starting point for makin...NShader - HLSL - GLSL - CG - Shader Syntax Highlighter AddIn for Visual Studio: NShader 1.3 - VS2010 + VS2012: This is a small maintenance release to support new VS2012 as well as VS2010. This release is also fixing the issue The "Comment Selection" include the first line after the selection If the new NShader version doesn't highlight your shader, you can try to: Remove the registry entry: HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\11.0\FontAndColors\Cache Remove all lines using "fx" or "hlsl" in file C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\CommonExtensions\Micr...JSON Toolkit: JSON Toolkit 4.0: Up to 2.5x performance improvement in stringify operations Up to 1.7x performance improvement in parse operations Improved error messages when parsing invalid JSON strings Extended support to .Net 2.0, .Net 3.5, .Net 4.0, Silverlight 4, Windows Phone, Windows 8 metro apps and Xbox JSON namespace changed to ComputerBeacon.Json namespaceXenta Framework - extensible enterprise n-tier application framework: Xenta Framework 1.8.0: System Requirements OS Windows 7 Windows Vista Windows Server 2008 Windows Server 2008 R2 Web Server Internet Information Service 7.0 or above .NET Framework .NET Framework 4.0 WCF Activation feature HTTP Activation Non-HTTP Activation for net.pipe/net.tcp WCF bindings ASP.NET MVC ASP.NET MVC 3.0 Database Microsoft SQL Server 2005 Microsoft SQL Server 2008 Microsoft SQL Server 2008 R2 Additional Deployment Configuration Started Windows Process Activation service Start...ASP.NET REST Services Framework: Release 1.3 - Standard version: The REST-services Framework v1.3 has important functional changes allowing to use complex data types as service call parameters. Such can be mapped to form or query string variables or the HTTP Message Body. This is especially useful when REST-style service URLs with POST or PUT HTTP method is used. Beginning from v1.1 the REST-services Framework is compatible with ASP.NET Routing model as well with CRUD (Create, Read, Update, and Delete) principle. These two are often important when buildin...NanoMVVM: a lightweight wpf MVVM framework: v0.10 stable beta: v0.10 Minor fixes to ui and code, added error example to async commands, separated project into various releases (mainly into logical wholes), removed expression blend satellite assembliesMFCMAPI: June 2012 Release: Build: 15.0.0.1034 Full release notes at SGriffin's blog. If you just want to run the MFCMAPI or MrMAPI, get the executables. If you want to debug them, get the symbol files and the source. The 64 bit builds will only work on a machine with Outlook 2010 64 bit installed. All other machines should use the 32 bit builds, regardless of the operating system. Facebook BadgeMonoGame - Write Once, Play Everywhere: MonoGame 2.5.1: Release Notes The MonoGame team are pleased to announce that MonoGame v2.5.1 has been released. This release contains important bug fixes and minor updates. Recent additions include project templates for iOS and MacOS. The MonoDevelop.MonoGame AddIn also works on Linux. We have removed the dependency on the thirdparty GamePad library to allow MonoGame to be included in the debian/ubuntu repositories. There have been a major bug fix to ensure textures are disposed of correctly as well as some ...????: ????2.0.2: 1、???????????。 2、DJ???????10?，?????????10?。 3、??.NET 4.5(Windows 8)????????????。 4、???????????。 5、??????????????。 6、???Windows 8????。 7、?????2.0.1???????????????。 8、??DJ?????????。Azure Storage Explorer: Azure Storage Explorer 5 Preview 1 (6.17.2012): Azure Storage Explorer verison 5 is in development, and Preview 1 provides an early look at the new user interface and some of the new features. Here's what's new in v5 Preview 1: New UI, similar to the new Windows Azure HTML5 portal Support for configuring and viewing storage account logging Support for configuring and viewing storage account monitoring Uses the Windows Azure 1.7 SDK libraries Bug fixesCodename 'Chrometro': Developer Preview: Welcome to the Codename 'Chrometro' Developer Preview! This is the very first public preview of the app. Please note that this is a highly primitive build and the app is not even half of what it is meant to be. The Developer Preview sports the following: 1) An easy to use application setup. 2) The Assistant which simplifies your task of customization. 3) The partially complete Metro UI. 4) A variety of settings 5) A partially complete web browsing experience To get started, download the Ins...KangaModeling: Kanga Modeling 1.0: This is the public release 1.0 of Kanga Modeling. -Cosmos (C# Open Source Managed Operating System): Release 92560: Prerequisites Visual Studio 2010 - Any version including Express. Express users must also install Visual Studio 2010 Integrated Shell runtime VMWare - Cosmos can run on real hardware as well as other virtualization environments but our default debug setup is configured for VMWare. VMWare Player (Free). or Workstation VMWare VIX API 1.11AutoUpdaterdotNET : Autoupdate for VB.NET and C# Developer: AutoUpdater.NET 1.1: Release Notes New feature added that allows user to select remind later interval.New Projects.NET Heatmap: This is a simple project using C#, JQuery, and heatmap.js that allows you to create a heatmap for a web page using static data from a SQL database.Advanced Data Server: Advanced Data Server (ADS) is a library that enables you to create powerful server applications with little code.ARPAMISproject: This is an ambitious project that aims to provide an extensive business solution to schools, universities or any academic institutions alike. ArraySegments (by Stephen Cleary): Lightweight extension methods for ArraySegment<T>, particularly useful for byte arrays.Auto Proxy Configuration: This Tool sets proxy server automatically according to the DNSDomain.Bongiozzo Photosite: Simple photo site written using ASP.NET MVC 4.0 over Flickr API and Galleria image gallery framework. Cloud Media SharePoint Extension: With this extensions you can easily add media from the cloud like YouTube or Vimeo. Metadata from Vimeo or YouTube are also .and will be added tooContent Organizer Rule Manager SharePoint 2010: Create and manage content organizer rules faster for SharePoint 2010.Crm Customization Manager: Crm Customization Manager (CCM) by N.JL helps Dynamics CRM System Adiminstrators to easly Import Customisations and Treanslations with scheduling possibilitydemoHello: asp.net Ghost Puzzle: Protect your files with Ghost Puzzle.IonoWumpus: A simple Hunt the Wumpus implementation.LargeSky Personal Project: This a personal project, just for code place.Maze Game: Maze Game is a game for children/ computer beginners to practice the mouse movement with fun.NASM Develop IDE (The Open Source NASM Development Environment For Windows): A simple, light weight, all one in application that can help developers develop NASM applications in Windows without the need of remember fancy commands.Navigational: Gator brings navigation to projects built around life situations.Real Folders for Visual Studio: Real Folders for Visual Studio is a free plugin which makes Solution Folders map to real file system folders. With Real Folders you have the opportunity to organize your files in a simpler way than standard Visual Studio Solution Folders behave (completely uncommited to any folder on your file system). SaltFx: SaltFx is an N-Layered Domain Driven Design (DDD) framework for .NET development.SharePoint Location-Based Weather Webpart: Uses UPS information to display local weather for the user via the Yahoo Weather service.SharePoint Publishing: The Project is aimed at supplying Publishers with tools & design elements to provide a means of publishing through SharePoint.SpellLight - Lightweight Silverlight Spell Checker Library: SpellLight is a lightweight Silverlight Spell Check librarySUDOKU APP: NoneTrainer: This is an application used for logging runs, nutrition, weight, and other goals.weibospace: An ios projecct

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• Was steckt in den Oracle Datenbankeditionen?

  - by carstenczarski

  Im Januar 2013 findet eine Veranstaltung (Oracle Developer Day) zum Thema Datenbank statt - und zwar Datenbank "pur". Es geht um die verschiedenen Editionen (SE,SE1,EE), was drinsteckt und wann man was braucht. Die Oracle Datenbank in der PraxisWas steckt in den Editionen? Einsatzgebiete, Tipps und Triks zum Mitnehmen, inkl. Ausblick auf neue Funktionen Die Einsatzgebiete für die Oracle Datenbank sind vielfältig, und so bietet Oracle seine marktführende Datenbank in unterschiedlichen Editionen an. Über 30 Jahre Erfahrung in der Weiterentwicklung haben zu einer Fülle von nützlichen Features geführt, welche in den verschiedenen Ausführungen sinnvoll aufgeteilt sind. Ein Ausblick auf die Funktionen der für 2013 geplanten neuen Datenbank-Version rundet den Workshop ab. In dieser speziell von der BU DB zusammengestellten Veranstaltung werden wir Sie neben vielen Tipps und Tricks zu folgenden Themen auf den neuesten Stand bringen: Die Unterschiede der Editionen und ihre Geheimnisse Umfangreiche Basisausstattung auch ohne Option Performance und Skalierbarkeit in den einzelnen Editionen Kosten- und Ressourceneinsparung leicht gemacht Sicherheit in der Datenbank Steigerung der Verfügbarkeit mit einfachen Mitteln Der Umgang mit großen Datenmengen Cloud Technologien in der Oracle Datenbank Termine, Orte und Anmeldelinks sind hier zu finden - die Teilnahme ist kostenlos - also am besten gleich anmelden.

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• how to remove unmet dependencies created by vlc player in ubuntu 12.04 LTS?

  - by Anti

  Output on trying to remove vlc with sudo apt-get remove vlc: niranjan@niranjan-OEM:~$ sudo apt-get remove vlc Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: libvlccore5 : Depends: vlc-data (= 2.0.8-0ubuntu0.12.04.1) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). Trying sudo apt-get -f install niranjan@niranjan-OEM:~$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: vlc-data The following NEW packages will be installed: vlc-data 0 upgraded, 1 newly installed, 0 to remove and 452 not upgraded. 8 not fully installed or removed. Need to get 0 B/10.3 MB of archives. After this operation, 30.4 MB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 95% dpkg: unrecoverable fatal error, aborting: files list file for package 'libavutil51' is missing final newline E: Sub-process /usr/bin/dpkg returned an error code (2)

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• Linux Mint Maya Freezes

  - by timuçin

  Linux Mint freezes after a couple of seconds the desktop loads, in a way that I have to shut the power in order to reboot; the mouse doesn't move, ctrl+alt+f1 doesn't do anything and I think even the hard disk stops. This doesn't happen every start but when it does happen, I have to start recovery mode and run the option "dpkg", the description is "repair broken packages" or something like that. If I don't do that and start the system normally the samething happens again. I have some clues that might help: The first time I installed Mint I had to install my wireless driver manualy. The system didn't freeze before this but since I installed the driver immediately after the Mint installation that might just easily be a coincidence. Even so after I discovered the dpkg trick, for the first couple of times I did it, I found my wireless driver uninstalled and I had to reinstall it. The thing is I can't be sure that the problem is my wireless driver because the relation is not direct enough. Still letting you know what my wireless apapter might help: Realtek L 8723 The next thing I am going to do is to wait until it happens again and post the system log here.

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• xubuntu install on p4

  - by adi

  Hello i am thinking of installing xubuntu on a dell gx260 pentium 4 pc with: 1.8GHz processor 64mb integrated video card(had other but it died on me) 1GB of RAM Ive installed lubuntu but im not enjoying it since i can not make shortcuts of partitions or folders on desktop for faster usability(i dont want them on my bar, want them on desktop) also the buggs i seen on it made me reconsider of using lubuntu:mplayer not working, no video was working,chromium outdated etc and i dont want to stay all day to find solutions over the internet. And seen on internet from xubuntu that theyve had shortcuts for theyre partitions on desktop, and is more attractive.(can some1 tell me if with xubuntu u can make shortcuts on desktop, i mean the shortcuts remain after reboot) 1 more thing to add:at installing lubuntu when it asked me where to install it only showed me the entire hard drive(i have 3 partitions on it) and made me select the size of the lubuntu partition from 1 that the installer wanted.(from local disk D: from windows xp view),need to mention that i have windows xp on the machine which is on local C:, kept my downloads on local D:, and other stuff on E:. I want an ubuntu distro which would work fine especially for internet purpose. Can someone lend me a hand on this?

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• Two different domains as one user session

  - by Mathew Foscarini

  I have two websites that are run as the same service. Each domain offers articles from a different market. At the top of each page the two domains are shown as menu options. If a user clicks one they can switch to the other domain. See here: http://www.cgtag.com Each domain has a different Google Analytics account, and when a user switches domains Google is counting this as a new session. It's listing the other domain as the "referral" for that new session. When the user switches back to the first domain Google is counting this as a returning visitor. This is messing up my reports. Showing returning visitors values that are higher than reality. It's also increasing hits on landing pages when the user switches, and listing the other domain as a referral site. I've found tips on how to list two domains as one website, but that results in merging the data. I want to keep the two domains separate so that I can track each ones performance, but I don't want to count domain changes as new sessions. Maybe something like treating the two domains as subdomains.

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• SOA Suite Demo System updated – make use of Oracle hosted demo systems or download the image

  - by JuergenKress

  To get access to the demo environments please contact OPN! Global Sales Engineering (GSE, formerly DSS) is happy to announce the availability of the SOA 11g (11.1.1.8) Platform. The Platform is fully featured, based on plug and play architecture, and designed to build best-of-breed SOA & Business Process Management 11g demos. Demo Highlights Designed & Developed on the "Build your own demos (POC)" concept Installed, configured latest versions of FMW products SOA, Business Activity Monitoring (BAM), Oracle Service Bus (OSB), Oracle Enterprise Repository (OER), Oracle Event Processor (OEP), Oracle Service Registry (OSR), WebCenter Content and WebCenter Portal Platform is designed & tuned for best performance Hot plug-in capability for additional middleware components Call to Action Check out the 1 minute video overview of this SOA 11g (11.1.1.8) Platform Review the latest Release Notes & other collaterals on Demo Store Visit the GSE home page to book the “SOA 11.1.1.8.0 Platform” Customizable demo Additional information is available on this page. For questions or feedback please contact [email protected] or [email protected]. This announcement will appear in the archive as Number 453. Support If you need assistance or encounter any issues please submit a GSE Repository ticket or call the GSE Support Hotline for assistance. The GSE Support Hotline is available 24 hours a day, Monday through Friday, at: US/CAN: +1.650.506.8763 or EMEA: +44 118 9240808 or APAC: +65.6436.2150 or LAD: +1.650.506.8763 or Japan: +81-3-6834-6097. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Mix Forum Technorati Tags: SOA demo,demo system,sales. pre-sales,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• How to design highly scalable web services in Java?

  - by Kshitiz Sharma

  I am creating some Web Services that would have 2000 concurrent users. The services are offered for free and are hence expected to get a large user base. In the future it may be required to scale up to 50,000 users. There are already a few other questions that address the issue like - Building highly scalable web services However my requirements differ from the question above. For example - My application does not have a user interface, so images, CSS, javascript are not an issue. It is in Java so suggestions like using HipHop to translate PHP to native code are useless. Hence I decided to ask my question separately. This is my project setup - Rest based Web services using Apache CXF Hibernate 3.0 (With relevant optimizations like lazy loading and custom HQL for tune up) Tomcat 6.0 MySql 5.5 My questions are - Are there alternatives to Mysql that offer better performance for what I'm trying to do? What are some general things to abide by in order to scale a Java based web application? I am thinking of putting my Application in two tomcat instances with httpd redirecting the request to appropriate tomcat on basis of load. Is this the right approach? Separate tomcat instances can help but then database becomes the bottleneck since both applications access the same database? I am a programmer not a Db Admin, how difficult would it be to cluster a Mysql database (or, to cluster whatever database offered as an alternative to 1)? How effective are caching solutions like EHCache? Any other general best practices? Some clarifications - Could you partition the data? Yes we could but we're trying to avoid it. We need to run a lot of data mining algorithms and the design would evolve over time so we can't be sure what lines of partition should be there.

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• How to fix E: Internal Error, No file name for libc6

  - by Loren Ramly

  How to fix E: Internal Error, No file name for libc6, Like that will show If I do: $ sudo apt-get upgrade or $ sudo apt-get install package This is example : $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages have been kept back: ginn hplip hplip-data libdrm-dev libdrm-intel1 libdrm-nouveau1a libdrm-radeon1 libdrm2 libgrip0 libhpmud0 libkms1 libsane-hpaio libunity-2d-private0 libunity-core-5.0-5 linux-generic-pae linux-headers-generic-pae linux-image-generic-pae printer-driver-hpcups printer-driver-hpijs unity unity-2d-common unity-2d-panel unity-2d-shell unity-2d-spread unity-common unity-services The following packages will be upgraded: alsa-base firefox firefox-globalmenu firefox-gnome-support firefox-locale-en icedtea-6-jre-cacao icedtea-6-jre-jamvm icedtea-7-jre-jamvm libdbus-glib-1-2 libdbus-glib-1-dev libgnutls-dev libgnutls-openssl27 libgnutls26 libgnutlsxx27 libssl-dev libssl-doc libssl1.0.0 linux-sound-base openjdk-6-jre openjdk-6-jre-headless openjdk-6-jre-lib openjdk-7-jdk openjdk-7-jre openjdk-7-jre-headless openjdk-7-jre-lib openssl sudo 27 upgraded, 0 newly installed, 0 to remove and 26 not upgraded. 3 not fully installed or removed. Need to get 0 B/126 MB of archives. After this operation, 3,072 B of additional disk space will be used. Do you want to continue [Y/n]? y E: Internal Error, No file name for libc6 I have follow instruction from here E: Internal Error, No file name for libssl1.0.0 . Which do: sudo apt-get update sudo apt-get clean sudo apt-get install -fy sudo dpkg -i /var/cache/apt/archives/*.deb sudo dpkg --configure -a sudo apt-get install -fy sudo apt-get dist-upgrade But stuck with same error E: Internal Error, No file name for libc6 when do command sudo apt-get install -fy. And I've been looking on google, but have not been successful until now. Thanks.

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• I have a bad install of Windows on another hard drive and it won't let me install a fresh copy. How do I fix it in Ubuntu 12.04?

  - by Dana LaBerge

  Basically, there was a security issue in the drivers for my graphics card. It was a 64-bit card and I installed 32-bit Windows. Apparently, before SP1 was available, which fixed that issue, 6 trojan horses got in. They stopped SP1 from installing. After going through the ringer several times, I finally talked to a person who knew the problem. It was something about how the drivers tried to transfer between the 32-bit OS and the 64-bit card that left me open. Ever since, my computer has been slow and has had weird issues. Like tinypic wouldn't ever load. Also, certain programs wouldn't install. So I eventually talk to the dude that knew the problem and he takes the reigns and does some diagnostics. He tells me that to fix it I have to format the hard drive and do a fresh install. I'm okay with that because I was planning on it anyway, to upgrade to the 64-bit version. The problem is, how do I do that? I have the disk to install the new copy, but when I go to install it, it tells me I can't and to check the log file. However, I don't know where that log file is, and it wiped my install of Windows out. How do I find the file and as a different route to get to the goal, how do I zero out the drive from Ubuntu 12.04? (I installed the 64-bit version just the other day)

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• Best approach to accessing multiple data source in a web application

  - by ced

  I've a base web application developed with .net technologies (asp.net) used into our LAN by 30 users simultanousley. From this web application I've developed two verticalization used from online users. In future i expect hundreds users simultanousley. Our company has different locations. Each site use its own database. The web application needs to retrieve information from all existing databases. Currently there are 3 database, but it's not excluded in the future expansion of new offices. My question then is: What is the best strategy for a web application to retrieve information from different databases (which have the same schema) whereas the main objective performance data access and high fault tolerance? There are case studies in the literature that I can take as an example? Do you know some good documents to study? Do you have any tips to implement this task so efficient? Intuitively I would say that two possible strategy are: perform queries from different sources in real time and aggregate data on the fly; create a repository that contains the union of the entities of interest and perform queries directly on repository;

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• Trouble installing Ubuntu 12.04 from USB

  - by Kyle J

  I want to dual-boot Ubuntu Desktop 12.04 on my new ultrabook which has an Intel i7 3517U processor 6GB RAM Windows 7, 64-bit no CD/DVD drive I created my bootable USB stick using pendrivelinux.com with the "ubuntu-12.04.1-desktop-i386.iso". I am following these directions because they include nice screenshots; however, I do not get very far in the process. I am able to boot into the Live Desktop, and then I try to install onto my hard disk. Here are the series of actions that I take next: First, I see this ( http://i.imgur.com/vucYH ) window, and click 'continue' Then I get this ( http://imgur.com/2wESc ) window, and click 'continue' again This appears: and I get worried because it seems like there is no recognition that I have Windows installed. According to the directions I am following, I should see /dev/sda1 and /dev/sda2 partitions. In the drop-down menu at the bottom the only "Device for boot loader installation" is /dev/sdb and no information is shown. I am hesitant to click 'Install Now' for fear of what it might do to Windows. 4. I click 'Quit' and cancel the installation, but then about 5 seconds later this ( http://imgur.com/a/yXi0C ) window pops up (I have expanded it to full screen to scroll and show all the details). 5. Another second later this ( http://imgur.com/vxcrN ) comes up. I'm not sure how relevant this is. Does anyone have any insight into this issue?? Why does it not show my current Windows partition? What would happen if I tried to continue with the installation process? Thanks! PS - sorry, it would only let me post 2 hyperlinks as a new user

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• Atelier gratuit : Découvrir la solution d'exploration de données structuré et non structuré

  - by David lefranc

  Explorer et découvrir l’information… Nous vous proposons un atelier découverte pour vous permettre d’explorer toute type de données grace à la solution Oracle Endeca Information Discovery. Quand : 7 Décembre 2012 De 9h30 à 12h30  Lieu : Oracle 15 Boulevard Charles de gaulle 92715 Colombes Pour s'inscrire : [email protected] Réalisé pour des utilisateurs métiers, cet atelier vous permettera en une demi journée , de découvrir Oracle Endeca Information Discovery afin de : Comprendre et explorer toute information venant de différents horizons ( Big Data, réseaux sociaux, forums, sondages, blogs..) Découvrir en quoi et comment OEID est un complément à des solutions de BI classiques Par une navigation simple et rapide, vous découvrirez combien il est facile de trouver des réponses à des questions imprévues en utilisant OEID sans formation préalable. Utilisez la recherche et la navigation guidée pour voir comment les informations structurées et non structurées peuvent être rapidement réunies pour dégager la valeur cachée. Explorer toutes vos données dans n'importe quel format et à partir de n'importe quelle source, y compris les médias sociaux, documents, fichiers,…. Pouvoir découvrir et explorer vos données sans référentiel pour permettre aux utilisateurs d’être autonome et d’analyser leurs propres données de manière rapide Élaborer une stratégie visant à accroître la valeur des données de l'entreprise tout en réduisant le coût total de possession Découvrez l'incroyable performance d’ Endeca sur Oracle Exalytics la machine In Memory Agenda Après une introduction sur la solution Oracle information Endeca, suivi d’un atelier, vous verrez comment il est facile de: Utiliser la navigation guidée et le moteur de recherche pour explorer les données structurées et non structurées intégrer rapidement les nouvelles sources de données comme les médias sociaux Construire de nouvelles interfaces utilisateur tout en découvrant l’information répondre rapidement aux besoins changeants des entreprises et des environnements de données Quand Lieu 7 Décembre 2012 De 9h30 à 12h30 Oracle 15 Boulevard Charles de gaulle 92715 Colombes

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• Can't use the hardware scissor any more, should I use the stencil buffer or manually clip sprites?

  - by Alex Ames

  I wrote a simple UI system for my game. There is a clip flag on my widgets that you can use to tell a widget to clip any children that try to draw outside their parent's box (for scrollboxes for example). The clip flag uses glScissor, which is fed an axis aligned rectangle. I just added arbitrary rotation and transformations to my widgets, so I can rotate or scale them however I want. Unfortunately, this breaks the scissor that I was using as now my clip rectangle might not be axis aligned. There are two ways I can think of to fix this: either by using the stencil buffer to define the drawable area, or by having a wrapper function around my sprite drawing function that will adjust the vertices and texture coords of the sprites being drawn based on the clipper on the top of a clipper stack. Of course, there may also be other options I can't think of (something fancy with shaders possibly?). I'm not sure which way to go at the moment. Changing the implementation of my scissor functions to use the stencil buffer probably requires the smallest change, but I'm not sure how much overhead that has compared to the coordinate adjusting or if the performance difference is even worth considering.

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• Meet The MySQL Experts Podcast: MySQL Utilities

  - by Wei-Chen Chiu

  Managing a MySQL database server can become a full time job. In many occasions, one MySQL DBA needs to manage multiple, even tens of, MySQL servers, and tools that bundle a set of related tasks into a common utility can be a big time saver, allowing you spend more time improving performance and less time executing repeating tasks. While there are several such utility libraries to choose, it is often the case that you need to customize them to your needs. The MySQL Utilities library is the answer to that need. It is open source so you can modify and expand it as you see fit. In the latest episode of the "Meet the MySQL Experts" podcast series, Chuck Bell, Sr. MySQL Software Developer at Oracle, introduces a variety of recently released MySQL Utilities, and how DBAs can save significant time using the utilities. Listen to the podcast and learn the highlights in 10 minutes. If you want to gain further details, attend the on-demand webinar for a more complete introduction, including: Use cases for each utility How to group utilities for even more usability How to modify utilities for your needs How to develop and contribute new utilities  Enjoy!

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