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  • An experiment: unlimited free trial

    - by Alex.Davies
    The .NET Demon team have just implemented an experiment that is quite a break from Red Gate's normal business model. Instead of the tool expiring after the trial period, it now continues to work, but with a new message that appears after the tool has saved you a certain amount of time. The rationale is that a user that stops using .NET Demon because the trial expired isn't doing anyone any good. We'd much rather people continue using it forever, as long as everyone that finds it useful and can afford it still pays for it. Hopefully the message appearing is annoying enough to achieve that, but not for people to uninstall it. It's true that many companies have tried it before with mixed results, but we have a secret weapon. The perfect nag message? The neat thing for .NET Demon is that we can easily measure exactly how much time .NET Demon has saved you, in terms of unnecessary project builds that Visual Studio would have done. When you press F5, the message shows you the time saved, and then makes you wait a shorter time before starting your application. Confronted with the truth about how amazing .NET Demon is, who can do anything but buy it? The real secret though, is that while you wait, .NET Demon gives you entertainment, in the form of a picture of a cute kitten. I've only had time to embed one kitten so far, but the eventual aim is for a random different kitten to appear each time. The psychological health benefits of a dose of kittens in the daily life of the developer are obvious. My only concern is that people will complain after paying for .NET Demon that the kittens are gone.

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  • Should business services cross bounded contexts?

    - by Paul T Davies
    Firstly, I am following the convention that a bounded context is synonymous to a department, or possibly one department has 1 to many bounded contexts. We have a client consultancy department that has a Documentation Service. Documents are stored in the Document Store Service (which is where all documents in the company are stored - it is a utility service), and the Documentation Service stores information about that document (a business service). As it was designed for the client consultancy, it is information relevant to them. Now health and safety need somewhere to store information about a document. This is different information to client consultancy, but I have been instructed to extend the existing service to account for this extra information. I feel this service is now crossing a bounded context. My worry is that all departments will eventually store there information in here and the service will become bloated, trying to be all things to all departments. Each document record will only store a subset of the information because it will only belong to one department. It will get worse when different departments want to store the same information but refer to it in a diferent ways, or when two departments want to store different information that they refer to in the same way. In my understanding, this is exactly the reason for bounded contexts. I feel each department should have it's own business service for information about a document, but use the same utility service to actually store the document. What would be the correct approach?

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  • What programming language(s) could I develop this app with for an iPhone

    - by Keon Davies
    The app I'm thinking of making would be little similar to fruit ninja. The app/ game would involve different types of animals flying straight at and you have to choose the right item to catch the animal before he gets to you. For example to capture a fish you would have to select the net and then click on the fish to capture it. Also I would like to have a leader board too. Which programming language(s) could I use to develop what I just described?

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  • An experiment: unlimited free trial

    - by Alex Davies
    The .NET Demon team have just implemented an experiment that is quite a break from Red Gate’s normal business model. Instead of the tool expiring after the trial period, it now continues to work, but with a new message that appears after the tool has saved you a certain amount of time. The rationale is that a user that stops using .NET Demon because the trial expired isn’t doing anyone any good. We’d much rather people continue using it forever, as long as everyone that finds it useful and can afford it still pays for it. Hopefully the message appearing is annoying enough to achieve that, but not for people to uninstall it. It’s true that many companies have tried it before with mixed results, but we have a secret weapon. The perfect nag message? The neat thing for .NET Demon is that we can easily measure exactly how much time .NET Demon has saved you, in terms of unnecessary project builds that Visual Studio would have done. When you press F5, the message shows you the time saved, and then makes you wait a shorter time before starting your application. Confronted with the truth about how amazing .NET Demon is, who can do anything but buy it? The real secret though, is that while you wait, .NET Demon gives you entertainment, in the form of a picture of a cute kitten. I’ve only had time to embed one kitten so far, but the eventual aim is for a random different kitten to appear each time. The psychological health benefits of a dose of kittens in the daily life of the developer are obvious. My only concern is that people will complain after paying for .NET Demon that the kittens are gone.

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  • You can step over await

    - by Alex Davies
    I’ve just found the coolest feature of VS 2012 by far. I thought that being able to silence an exception from the “exception was thrown” popup was awesome, and the “reload all” button when a project file changes is amazing, but this is way beyond all of that. You can step over awaits when you debug your code!! With F10!!! Ok, so that may not sound such a big deal. You can step over ifs and whiles and no-one is celebrating. But await is different. await actually stops your method, signs up to be notified when a Task is finished,  returns, and resumes your method at some indeterminate point in the future. You could even end up continuing on a completely different thread. All that happens, and all I have to do is press F10. I used to have to painstakingly set a breakpoint on the first line of my callback before stepping over any asynchronous method. Even when we started using async, my mouse would instinctively click the margin every time I wanted to go past an await. And the times I was driven insane by my breakpoint getting hit by some other path of execution I don’t care about. I think this might have been introduced in the VS11 Beta, I’m pretty sure I tried it in the Async CTP in VS2010 and it didn’t work. Now it does! Woop!

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  • My book is released – Async in C# 5

    - by Alex Davies
    I’m pleased to announce that my book “Async in C# 5″ has been published by O’Reilly! http://oreil.ly/QQBjO3 If you want to know about how to use async, and whether it’s important for your code, I thoroughly recommend reading it. It’s the best book about the subject I’ve ever written. In fact it’s probably the best book I’ve written full stop. I may have only written one book. It also has a very fetching parrot on the cover, which would make a very good addition to your bookshelf.

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  • Is this a violation of the Liskov Substitution Principle?

    - by Paul T Davies
    Say we have a list of Task entities, and a ProjectTask sub type. Tasks can be closed at any time, except ProjectTasks which cannot be closed once they have a status of Started. The UI should ensure the option to close a started ProjectTask is never available, but some safeguards are present in the domain: public class Task { public Status Status { get; set; } public virtual void Close() { Status = Status.Closed; } } public ProjectTask : Task { public override void Close() { if (Status == Status.Started) throw new Exception("Cannot close a started Project Task"); base.Close(); } } Now when calling Close() on a Task, there is a chance the call will fail if it is a ProjectTask with the started status, when it wouldn't if it was a base Task. But this is the business requirements. It should fail. Can this be regarded as a violation?

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  • Lock down SFTP access on OpenSolaris

    - by Simon
    Hi all, I have an OpenSolaris 2009.06 server and I'd like to enable a user to remotely change files in a specific directory, ideally via SFTP or FTP-via-SSH. This user does not yet have an account on the machine and I'd like to create it so it's as restricted as possible. Is there a canonical way of doing this? I know about OpenSolaris' role-based access control and authorizations model, but I figure it's a lot of work (i.e., a lot I can mess up) to really lock down a full-blown user account (prevent fork bombs, make sure there's really no other file in the file system which can be written to...). Any hint is greatly appreciated. Thanks, Simon

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  • Custom dedicated email server combined with Amazon AWS?

    - by Simon
    Hi there. We are considering moving our servers to Amazone EC2 cloud. The only thing that stops right now is their problems with ip ranges banned from spam mail lists like SORBS. We are considering leaving one dedicated server in our current hosting, the one which we use to send mail (and other several features we will move to EC2), in order to be able to send the mails from this smtp server instead from Amazon. So, the idea is to have our sites hosted in EC2, and when they need to send mail, redirect they to our "local" smtp server. Do you think it´s viable? Can you think on a better solution? Thanks in advance, Simon.

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  • How to alter mail-from postfix?

    - by Simon
    Hi all, do anyone know how to alter the mail-from of a postfix mail server? Example, I have a postfix mail server which sends mail for the domain example.org. When a linux user, whose account is user.example.org (mapped in postfix/virtual to [email protected]), try to send an email, its mail from is [email protected]. HELO hostname: server.hostname.org Source IP: one ip here mail-from: [email protected] Problems: user.example.org instead of just user. server.hostname.org instead of just example.org. Desired mail-from: [email protected]. This is causing me problems with SPF records for example (example.org differs from server.hostname.org)... any idea of what can be the problem? Thanks in advance, Simon.

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  • Error installing Network driver

    - by Simon Carpentier
    I'm tring to install NetLimiter 3 (3.0.0.10, x64) on my Windows 7 x64 machine. At the driver installation step, I'm getting an error: Error 0x8004a029: Couldn't install the network component. (InstallNdisIMDriver) UPDATE 2010-09-20: I received a response to my support request: Hi Simon, It seems that problem is rather on your system than in NL3. Too many networking applications (VPN, Virtual computers) are installed on your machine and they are preventing NL3 from proper installation. In order to install NetLimiter 3, try to disable/temporarily remove these apps. Several users had the same problem and shuffling with adapter and networking software helped them. Please, let us know which action helps you (if any). Sincerely, Jan Bilek Any thoughts on this?

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  • mysql connector/net ssl shutsdown the server

    - by Simon
    Hello, when I try to connect my server throw connector/net using ssl with pfx certificate I had problem with establishing the connection. I get connection timeout. And the server probably fall down (I dont know it for sure, becouse I dont manage the server). On the Windows XP works all right, but on Windows 7 dont. Please, where is problem? In Windows 7 or on the server (mysql 5.0)? Sometimes I get "Calling interface SSPI Failed" error, but not everytime. Sometimes is only connection timeout error. Thank you a lot for any help. Regards, simon

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  • Unable to copy and paste (or cut and paste) photos already reduced in size from Word document into a

    - by Simon Child
    Hello I cannot copy photos and paste them from a word document into the text of an email on my Sony Laptop having already substantially redcued the size of the photos using Microsoft Office Picture Manager. I can readily manage to perform this functjon from my work place PC but am presently working mostly from home. I am trying to email photos and text using a btinternet.com email address but have checked that I cannot perform the task using my alternate googlemail email address either. I can obviously highlight the relevant photographs but whenever I try to copy or cut them into the email text the paste function is disabled. Assistance would be much appreciated. Kind regards Simon

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  • Block a machine from accessing the internet

    - by Simon Rigby
    After some confirmation that I have thinking right in this scenario. We have a number of wired and wireless machines which presently have direct internet access. I also have a Linux (Ubuntu) server which is used as a file server for the network. Essentially I would like to be able to turn internet access on and off for machines. My plan is to block these machines by MAC address at the router. I would then set up a proxy server on the Linux box (ie Squid) so that the machines I wish to restrict can access the internet via the proxy. As I can adjust access via ACLs in squid, I would be able to switch on or off a machines access to the internet without having to further adjust the router's MAC rules. And of course I could go further and create a few scripts to assist with this admin task. Does this seem sound and have I over looked anything? Any help greatly appreciated. Simon.

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  • iPhone mapKit annotation for Current Location

    - by Simon
    Hello Im currently strugglung with annotations. how can i prevent the AnnotationLable for the blue GPS-point. (Here is an Image) - (MKAnnotationView *) mapView:(MKMapView *)mapView viewForAnnotation:(MKAnnotation *) annotation{ if (annotation == mapView.userLocation) { return nil; } the function above isnt working, and i realized that i can't compare two coordinates. Any hint is welcome. Simon

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  • Soap WSDL with Null

    - by Simon
    Hello, i need to specifi parametr of function witch is nullable. this dont work: <message name="SaveRequest"> <part name="serialNumber" nillable="true" type="xsd:int"/> </message> please any help is welcome! simon

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  • using union in a construct sparql query

    - by simon
    hello, i have such a sparql query: select ?s ?p ?o from <http://localhost:8890/DAV/ranking> where { {<http://seekda.com/providers/cdyne.com/PhoneNotify> so:hasEndpoint ?s. ?s ?p ?o} union {<http://seekda.com/providers/cdyne.com/PhoneNotify> ?p ?o} } but i need a graph query (construct ord describe). unfortunatly i have no clue about how to use unions in construct or describe queries. please help me best regards simon

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  • MySQL problem: How to get desired rows.

    - by Joonas Köppä
    I have been trying to solve this problem for 2 hours now but I cant understand the solutions others have given people with a similar problem. Ive seen some answers but can't apply it to my own needs. I have a table of users and their times in different sports events. I need to make a scoretable that shows the user with the best time, second best etc. The table before sorting and retrieving looks as follows: | Name | Time | Date | '''''''''''''''''''''''''''''''''''''''''''''' | Jack | 03:07:13 | 2010-12-01 | | Peter | 05:03:12 | 2010-12-03 | | Jack | 03:53:19 | 2010-12-04 | | Simon | 03:22:59 | 2010-12-02 | | Simon | 04:01:11 | 2010-12-09 | | Peter | 03:19:17 | 2010-12-06 | '''''''''''''''''''''''''''''''''''''''''''''' | Name | Time | Date | '''''''''''''''''''''''''''''''''''''''''' | Jack | 03:07:13 | 2010-12-01 | | Peter | 03:19:17 | 2010-12-06 | | Simon | 03:22:59 | 2010-12-02 | '''''''''''''''''''''''''''''''''''''''''' I know answers to this problem lie in another question asked on this very site: CLICK HERE I just have no idea how to apply it to fullfill my needs. Help is highly appreciated. Thank you -Joonas

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  • Podcast Show Notes: Evolving Enterprise Architecture

    - by Bob Rhubart
    The latest series of ArchBeat podcast programs grew out of another virtual meet-up, held on March 11. As with previous meet-ups, I sent out a general invitation to the roster of previous ArchBeat panelists to join me on Skype to talk about whatever topic comes up. For this event, Oracle ACE Directors Mike van Alst and Jordan Braunstein  showed up, along with Oracle product manager Jeff Davies.  The result was an impressive and wide-ranging discussion on the evolution of Enterprise Architecture, the role of technology in EA, the impact of social computing, and challenge of having three generations of IT people at work in the enterprise – each with different perspectives on technology. Mike, Jordan, and Jeff talked for more than an hour, and the conversation was so good that slicing and dicing it to meet the time constraints for these podcasts has been a challenge. The first two segments of the conversation are now available. Listen to Part 1 Listen to Part 2 Part 3 will go live next week, and an unprecedented fourth segment will follow. These guys have strong opinions, and while there is common ground, they don’t always agree. But isn’t that what a community is all about? I suspect that you’ll have questions and comments after listening, so I encourage you to reach out to Mike, Jordan, and Jeff  via the following links: Mike van Alst Blog | Twitter | LinkedIn | Business |Oracle Mix | Oracle ACE Profile Jordan Braunstein Blog | Twitter | LinkedIn | Business | Oracle Mix | Oracle ACE Profile Jeff Davies Homepage | Blog | LinkedIn | Oracle Mix (Also check out Jeff’s book: The Definitive Guide to SOA: Oracle Service Bus)   Coming Soon ArchBeat’s microphones were there for the panel discussions at the recent Oracle Technology Network Architect Days in Dallas and Anaheim. Excerpts from those conversations will be available soon. Stay tuned: RSS Technorati Tags: oracle,otn,enterprise architecture,podcast. arch2arch,archbeat del.icio.us Tags: oracle,otn,enterprise architecture,podcast. arch2arch,archbeat

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  • Scottish Visual Studio 2010 Launch event with Jason Zander

    - by Martin Hinshelwood
    Microsoft are hosting a launch event for Visual Studio 2010 on Friday 16th April in Edinburgh. The have managed to convince one of the head honchos from the Visual Studio product team to come to Scotland. With Scott Guthrie last week in Glasgow and now Jason Zander, Global General Manager for Visual Studio will be arriving in Edinburgh for the Launch event. There will be two speakers for the event, Jason will be up first and will be doing a session on Windows, Web, Cloud and Windows Phone 7 development with Visual Studio 2010. Second up is Giles Davis the UK’s Technical Specialist for Visual Studio ALM (formally Visual Studio Team System) who will be introducing the new Visual Studio 2010 Developer and tester collaboration features. LAUNCH AGENDA: 9.30am – 10.00am Arrival 10.00am - 11.30am Keynote & Q&A - Jason Zander, Global GM for Visual Studio 11.30am - 12.00pm Break 12.00pm - 1.00pm Developer & Tester Collaboration with Visual Studio 2010 - Giles Davies, Technical Specialist 1.00pm - 1.30pm Lunch DATE:              Friday, 16th April 2010 LOCATION: Microsoft Edinburgh, Waverley Gate, 2-4 Waterloo Place, Edinburgh, EH1 3EG I think Jason will be hanging out for the afternoon to answer questions and meet everyone. f you would like to attend, please email Nathan Davies on [email protected] with your name, company and email address   Technorati Tags: VS2010,TFS2010,Visual Studio,Visual Studio 2010

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  • Podcast Show Notes: Evolving Enterprise Architecture

    - by Bob Rhubart
    Back in March Oracle ACE Directors Mike van Alst (IT-Eye) and Jordan Braunstein (Visual Integrator Consulting) and Oracle product manager Jeff Davies participated in an ArchBeat virtual meet-up. The resulting conversation quickly turned to the changing nature of enterprise architecture and the various forces driving that change. All four parts of that wide-ranging conversation are now available. Listen to Part 1 Listen to Part 2 Listen to Part 3 Listen to Part 4 As you’ll hear, Mike, Jordan, and Jeff bring unique perspectives and opinions to this very lively conversation. These are three very sharp, very experienced guys, as and you might expect, they don’t always walk in lock-step when it comes to EA. You can learn more about Mike, Jordan, and Jeff – and share your opinions with them -- through the links below: Mike van Alst Blog | Twitter | LinkedIn | Business |Oracle Mix | Oracle ACE Profile Jordan Braunstein Blog | Twitter | LinkedIn | Business | Oracle Mix | Oracle ACE Profile Jeff Davies Homepage | Blog | LinkedIn | Oracle Mix (Also check out Jeff’s book: The Definitive Guide to SOA: Oracle Service Bus) Up Next Next week’s program features highlights from the panel discussion at the Oracle Technology Architect Day event held in Anaheim, CA on May 19. You’ll hear from Oracle ACE Directors Basheer Khan and Floyd Teter, Oracle virtualization expert and former Sun Microsystems principal engineer Jeff Savit, Oracle security analyst Geri Born, and event MC Ralf Dossman, Director of SOA and Middleware in Oracle’s Enterprise Solutions Group. Stay tuned: RSS

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  • links for 2010-05-25

    - by Bob Rhubart
    Oracle Customer Success Self-Assessment Free, 10-minute online self-assessment designed to share Oracle Customer Services good practices across five domains: Strategy, Process, Technology, People, and Governance. (tags: oracle otn entarch) Porus Homi Havewala: Oracle Enterprise Manager 11g Grid Control simplifies RAC management in Oracle Exadata V2 "In Oracle Database 11g Release 2, which is the latest version of the database used in Oracle Exadata Version 2, RAC install and management is vastly simplified, especially if you are using Oracle Enterprise Manager 11g Grid Control." Oracle ACE Director Porus Homi Havewala (tags: oracle otn architect ace grid database exadata) @fteter: Just Do It "Make a [SOA] business case based on a job that needs to be done (or currently gets done in a cumbersome way) and make a business case specific to that job that needs doing." Oracle ACE Director Floyd Teter (tags: oracle otn oracleace soa architect entarch) Jeff Davies: Tidbits of goodness - Podcasts, REST, JSON SOA author Jeff Davies shares links and insight into new SCA, BPEL and Oracle Adapters code samples for the Oracle Service Bus 11g release. (tags: oracle otn soa sca bpel) On-Demand Webcast – Drive Efficiency and Reduce Cost with Oracle's Sun SPARC Enterprise Servers Learn how refreshing legacy systems onto the latest server technology can optimize datacenter efficiency and reduce TCO. (tags: oracle webcast sparc servers datacenter)

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