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  • Strategy to find bottleneck in a network

    - by Simone
    Our enterprise is having some problem when the number of incoming request goes beyond a certain amount. To make things simpler, we have N websites that uses, amongst other, a local web service. This service is hosted by IIS, and it's a .NET 4.0 (C#) application executed in a farm. It's REST-oriented, built around OpenRasta. As already mentioned, by stress testing it with JMeter, we've found that beyond a certain amount of request the service's performance drop. Anyway, this service is, amongst other, a client itself of other 3 distinct web services and also a client for a DB server, so it's not very clear what really is the culprit of this abrupt decay. In turn, these 3 other web services are installed in our farm too, and client of other DB servers (and services, possibly, that are out of my team control). What strategy do you suggest to try to locate where the bottleneck(s) are? Do you have any high-level suggestions?

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  • Visual Studio 2010 RC &ndash; Silverlight 4 and WCF RIA Services Development - Updates from MIX Anno

    - by Harish Ranganathan
    MIX is happening and there is a lot of excitement around the various releases such as the Windows Phone 7 Developer Preview, IE9 Platform Preview and few other announcements that have been made.  Clearly, the Windows Phone 7 Developer Preview has generated the maximum interest and opened a plethora of opportunities for .NET Developers.  It also takes the mobile development to a new generation and doesn’t force developers to learn different programming language. Along with this, few other releases have been out.  The most anticipated Silverlight 4 RC is out and its corresponding templates are also out there for you to download.  Once VS 2010 RC was released, it was much of a disappointment that it doesn’t support SL4 development as well as the SL4 Business Application Development (a.k.a. WCF RIA Services).   There were few workarounds though nothing concrete.  Earlier I had written about how the WCF RIA Services Preview does work with ASP.NET Development using VS 2010 RC. However, with the release of SL4 RC and the corresponding tooling updates, one can develop for both SL4 as well as SL4 + WCF RIA Services using VS 2010 RC.  This is kind of important and keeps the continuum going until VS 2010 RTMs.  So, the purpose of this post is to quickly give the updates and links to install the relevant tools. Silverlight 4 RC Runtime Windows Runtime or the Mac Runtime Silverlight 4 RC Developer Tools for Visual Studio 2010 RC Silverlight 4 Tools for Visual Studio 2010 (this would install the Runtime as well automatically) Expression Blend 4 Beta Expression Blend 4 Beta If you install the SL4 RC Developer Tools, it also installs the WCF RIA Services Preview automatically.  You just need to install the WCF RIA Services Toolkit that can be downloaded from Install the WCF RIA Services Toolkit Of course you can also just install the WCF RIA Services for VS 2010 RC separately (without SL4 Tools) from here Kindly note, all the above mentioned links are with respect to Visual Studio 2010 RC edition.  If you are developing with VS 2008, then you can just target SL3 (as I write this, there seems to be no official support for developing SL4 with VS 2008) and the related tools can be downloaded from http://www.silverlight.net/getstarted/ Basically you need to download SL 3 Runtime, SDK, Expression Blend 3 and the Silverlight Toolkit.  All the links for the download are available in the above mentioned page. Also, a version of WCF RIA Services that is supported in VS 2008 is available for download at WCF RIA Services Beta for VS 2008 I know there are far too many things to keep in mind.  So, I put a flowchart that could help with depicting it pictorial.  Note that this is just my own imagination and doesn’t cover all scenarios.  for example, if you are neither developing for Webform, Silverlight, you end up nowhere whereas in actual scenario you may want to develop Desktop, Services, Console, Game and what not.  So, keep in mind this is just Web. Cheers !!!

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  • Working with EO composition associations via ADF BC SDO web services

    - by Chris Muir
    ADF Business Components support the ability to publish the underlying Application Modules (AMs) and View Objects (VOs) as web services through Service Data Objects (SDOs).  This blog post looks at a minor challenge to overcome when using SDOs and Entity Objects (EOs) that use a composition association. Using the default ADF BC EO association behaviour ADF BC components allow you to work with VOs that are based on EOs that are a part of a parent-child composition association.  A composition association enforces that you cannot create records for the child outside the context of the parent.  As example when creating invoice-lines you want to enforce the individual lines have a relating parent invoice record, it just simply doesn't make sense to save invoice-lines without their parent invoice record. In the following screenshot using the ADF BC Tester it demonstrates the correct way to create a child Employees record as part of a composition association with Departments: And the following screenshot shows you the wrong way to create an Employee record: Note the error which is enforced by the composition association: (oracle.jbo.InvalidOwnerException) JBO-25030: Detail entity Employees with row key null cannot find or invalidate its owning entity.  Working with composition associations via the SDO web services  Shay Shmeltzer recently recorded a good video which demonstrates how to expose your ADF Business Components through the SDO interface. On exposing the VOs you get a choice of operation to publish including create, update, delete and more: For example through the SDO test interface we can see that the create operation will request the attributes for the VO exposed, in this case EmployeesView1: In this specific case though, just like the ADF BC Tester, an attempt to create this record will fail with JBO-25030, the composition association is still enforced: The correct way to to do this is through the create operation on the DepartmentsView1 which also lets you create employees record in context of the parent, thus satisfying the composition association rule: Yet at issue here is the create operation will always create both the parent Departments and Employees records.  What do we do if we've already previously created the parent Departments records, and we just want to create additional Employees records for that Department?  The create method of the EmployeeView1 as we saw previously doesn't allow us to do that, the JBO-3050 error will be raised. The solution is the "merge" operation on the parent Departments record: In this case for the Departments record you just need to supply the DepartmentId of the Department you want the Employees record to be associated with, as well as the new Employees record.  When invoked only the Employees record is created, and the supply of the DepartmentId of the Departments record satisfies the composition association without actually creating or updating the associated Department record that already exists in the database. Be warned however if you supply any more attributes for the Department record, it will result in a merge (update) of the associated Departments record too. 

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  • Redehost Transforms Cloud & Hosting Services with MySQL Enterprise Edition

    - by Mat Keep
    RedeHost are one of Brazil's largest cloud computing and web hosting providers, with more than 60,000 customers and 52,000 web sites running on its infrastructure. As the company grew, Redehost needed to automate operations, such as system monitoring, making the operations team more proactive in solving problems. Redehost also sought to improve server uptime, robustness, and availability, especially during backup windows, when performance would often dip. To address the needs of the business, Redehost migrated from the community edition of MySQL to MySQL Enterprise Edition, which has delivered a host of benefits: - Pro-active database management and monitoring using MySQL Enterprise Monitor, enabling Redehost to fulfil customer SLAs. Using the Query Analyzer, Redehost were able to more rapidly identify slow queries, improving customer support - Quadrupled backup speed with MySQL Enterprise Backup, leading to faster data recovery and improved system availability - Reduced DBA overhead by 50% due to the improved support capabilities offered by MySQL Enterprise Edition. - Enabled infrastructure consolidation, avoiding unnecessary energy costs and premature hardware acquisition You can learn more from the full Redehost Case Study Also, take a look at the recently updated MySQL in the Cloud whitepaper for the latest developments that are making it even simpler and more efficient to develop and deploy new services with MySQL in the cloud

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  • HyperV integration services v3.4 for 12.10?

    - by nlee
    Networking is sloooow with v3.1 How to upgrade to Integration Services v3.4 in 12.10? modinfo output in 12.10 filename: /lib/modules/3.5.0-17-generic/kernel/drivers/hv/hv_vmbus.ko version: 3.1 license: GPL srcversion: B1AA963EEFBAE322D970F14 alias: acpi*:VMBus:* alias: acpi*:VMBUS:* depends: intree: Y vermagic: 3.5.0-17-generic SMP mod_unload modversions

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  • Increasing Traffic to Your Website Using SEO and SEM Services

    Whenever one has a new website that offers various services to users over the internet, it's usually a tormenting task to generate a lot of traffic to the site since it's new, and most people have no clue what it's about or even the slightest idea that it exists. When it comes to finding anything on the internet, the most commonly used search engines are either Yahoo or Google.

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  • Reporting Services Disaster Recovery

    Dave Lumley presents a Reporting services disaster recovery solution for SQL Server Standard Edition, using 2 servers. Worth the read if you don't run Enterprise. SQL Backup Pro wins Gold Community Choice AwardFind out why the SQL Server Community voted SQL Backup Pro 'Best Backup and Recovery Product 2012'. Get faster, smaller, fully verified backups. Download a free trial now.

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  • Content Locking network with Microsoft Web Development tools? [closed]

    - by Jose Garcia
    I want my team to develop a content locking network for a client. But we dont know what is need to devlop such a network. We need to code it from Scratch. Please give us some advice. Content locking networks http://www.blamads.com/ adworkmedia.com These two networks are made with MS Tools it seems. FAQ http://support.blamads.com/index.php?pg=kb.book&id=5 https://www.adworkmedia.com/cpa-network-features.php

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  • How do I make sure the web developer I hire will not steal my idea?

    - by Greg McNulty
    So I have a great idea for a new website. However, not the time to develop it. I would like to hire a person or company to design it for me. What steps do I need to take, to protect my idea? Where and how do people protect website ideas in general? Also, how easy is it for someone to tweak the idea and make it legally heir own? Is a patent enough to protect such a thing, idea. Are there different levels or types of protection? Thank You.

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  • Tutoriel Web Services Java : Décrire et configurer avec WSDL, par Mickael Baron

    Je continue la série de supports de cours concernant les Web Services via la plateforme Java. Ce deuxième support de cours vise à présenter le langage de description WSDL. Il permet de décrire le contrat d'un service Web. Cette présentation est très syntaxique. J'insiste sur la séparation de la partie description (abstraite) de la partie configuration (concrète). Si vous avez des commentaires, des souhaits, n'hésitez pas, profitez de cette discussion. Le cours : http://mbaron.developpez.com/soa/wsdl/ Mickael BARON (http://keulkeul.blogspot.com)...

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  • How do I make sure the web developer I hire will not steal my idea?

    - by Greg McNulty
    So I have a great idea for a new website. However, not the time to develop it. I would like to hire a person or company to design it for me. What steps do I need to take, to protect my idea? Where and how do people protect website ideas in general? Also, how easy is it for someone to tweak the idea and make it legally heir own? Is a patent enough to protect such a thing, idea. Are there different levels or types of protection? Thank You.

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  • Book Review: Microsoft SQL Server 2008 Analysis Services Unleashed

    - by Greg Low
    Yet another book that I started re-reading last week (but haven't finished again yet as it's so large) is Microsoft SQL Server 2008 Analysis Services Unleashed by Irina Gorbach, Alexander Berger and Edward Melomed. This book has always left me with mixed feelings. The authors clearly offer expert level knowledge on the topics (as they were part of the development team for the product) but I struggle with the "readability" of this book. As an example, each time a concept is introduced, it is done...(read more)

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  • Microsoft launches two new Data Centres for Azure in US to meet growing demand

    - by Gopinath
    In order to meet the growing demand for Windows Azure in US, Microsoft has launched two new data centres in US – East US and West US. With the addition of these two data centres the number of Azure data centres across the globe has grown to 8 and 4 among them are located in US. The two new data centres are providing Computer and Storage resources and few enthusiastic customers already deployed their applications. The other services like SQL Azure and AppFabric will be offered by these data centres in the coming months. The addition of new data centres is a good sign to Microsoft as the customer demand for their Cloud offering is growing. Amazon Web Services is the pioneer in Cloud Computing and they offer wider range of Cloud Services compared to Microsoft. Source: Windows Azure Blog

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  • What expectation should I have of South African web development rates / duration? [closed]

    - by Warren van Rooyen
    I am a developer but only intend on doing the front-end work for getting Reddit-like upvote / downvote functionality going on an upcoming site I'm building. I have never had to contract a developer for back-end work to implement code for me so I am quite in the dark on how much I should expect to pay and how long it could take to get the site going. I could be taken for a ride as the developer could distort the time it would take at a seemingly regular rate (hourly/day) or could otherwise distort their rate. Please could you give me help on this. I know you need some guidance on the nature of the site so here it is. I have a Reddit type template with CSS and PHP included. I then downloaded Pligg code that's intended to do the job of the Reddit upvote downvote functionality. How long would a developer roughly need to unite the theme and front end with the back-end functionality? I do understand it's not a lot of info but I'm sure you're experienced enough to have an instinct for the size of the project. Also, should I work on an hourly/day rate/ project payment agreement?

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  • Silverlight 4 Tools + WCF RIA Services Released

    Microsoft has released the final versions of the Silverlight 4 Tools along with WCF RIA Services and the Silverlight Toolkit. Check Tim Heuers blog for all the info. var addthis_pub="guybarrette"; ...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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  • should i concentrate on logical and puzzles part in programming, i want to be a web (flex)developer?

    - by abhilashm86
    I'm a student not good and can't easily crack at more puzzle, complex mathematics, hard logic problems? in college i studied c++, java, oops. I'm comfortable with all syntax and writing programs and using API's and doing mashups, i can do.......... but once a friend asked help on coding contest, i was in dilemma and frustration? It was simple and complex, i could not write code for those, so got scared? Is logical ability,complex mathematics, puzzles required for a developer point of view? please help and suggest methods to achieve things......

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