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  • Moving from Silverlight 4 Beta to RC - Part 1

    The other day I had finished up my Task-It Webinar, written a few blog posts, and knew the time had come to move from my Silverlight 4 Beta environment up to the latest RC (release candidate) bits that were released last Monday. What disappointed me when I went to the Silverlight 4 Information Page is that it told me what to install, but not what to uninstall first. Uninstalling I'm not entirely sure if I had to uninstall anything, or if installing the new stuff would just work, but in poking around the web I found posts stating that you must uninstall the following items first. Unfortunately I'm going by memory here and have not been able to find my way back to the magic page I found in the myriad of posts that I went through: Microsoft VisualStudio Beta 2 Microsoft .NET Framework 4 Extended (apparently this must be done *before* the next one) Microsoft .NET Framework Client Profile Microsoft Silverlight 4 Tools for Visual Studio 2010 WCF RIA Services Preview for Visual Studio 2010 While I was at it, I removed a bunch of other stuff, like Blend 3, Blend 4, the SDK's associated with them, and a bunch other stuff that was old. Of course, I didn't really want/need to keep any Silverlight 3 stuff around as I am developing Task-It in Silverlight 4. If I need a Silverlight 3 environment at some point I'll set it up in a virtual environment. NOTE: One thing that I did not uninstall is the Microsoft Silverlight 4 Toolkit November 2009. The reason is that they have not released the March version yet, so if you uninstall this, youll end up having to reinstall it. Installing OK, now that I had all of that old stuff off my machine, now it was time to get the new stuff. For this part I liked Tim Heuer's post, A Guide to What has Changed in Silverlight 4 RC better than the Silverlight 4 Information Page. VisualStudio 2010 RC - I installed Ultimate, but you may not need that version. No harm, it's free for now anyway. I downloaded the .exe and the 3 .rar files, then ran the .exe. I then extracted the contents of the ISO (using WinZip) to a new directory, and now had Setup.exe, a bunch of .cab files and some other assorted stuff. I simply ran Setup.exe and chose custom install (only because I wanted to uncheck Visual C++...I don't really have a need for that) Silverlight 4 Tools for Visual Studio 2010 - As mentioned in Tim's blog post, this installs this installs Silverlight developer runtime, SDK, tools, and this installs Silverlight developer runtime, SDK, tools, and WCF RIA Services. WCF RIA Services Toolkit March 2010 - I'm not sure if/when I'll need any of this stuff, but no harm in installing it anyway. Expression Blend 4 beta - Only if you plan to use Blend, which I do. Windows Phone Developer Tools - Only if you are interested in playing with Windows Phone 7 development. Wrap Up Hopefully I got those steps right. If anyone finds anything I've missed, please just add a comment to this post and I'll update it accordingly.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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  • Need WIF Training?

    - by Your DisplayName here!
    I spend numerous hours every month answering questions about WIF and identity in general. This made me realize that this is still quite a complicated topic once you go beyond the standard fedutil stuff. My good friend Brock and I put together a two day training course about WIF that covers everything we think is important. The course includes extensive lab material where you take standard application and apply all kinds of claims and federation techniques and technologies like WS-Federation, WS-Trust, session management, delegation, home realm discovery, multiple identity providers, Access Control Service, REST, SWT and OAuth. The lab also includes the latest version of the thinktecture identityserver and you will learn how to use and customize it. If you are looking for an open enrollment style of training, have a look here. Or contact me directly! The course outline looks as follows: Day 1 Intro to Claims-based Identity & the Windows Identity Foundation WIF introduces important concepts like conversion of security tokens and credentials to claims, claims transformation and claims-based authorization. In this module you will learn the basics of the WIF programming model and how WIF integrates into existing .NET code. Externalizing Authentication for Web Applications WIF includes support for the WS-Federation protocol. This protocol allows separating business and authentication logic into separate (distributed) applications. The authentication part is called identity provider or in more general terms - a security token service. This module looks at this scenario both from an application and identity provider point of view and walks you through the necessary concepts to centralize application login logic both using a standard product like Active Directory Federation Services as well as a custom token service using WIF’s API support. Externalizing Authentication for SOAP Services One big benefit of WIF is that it unifies the security programming model for ASP.NET and WCF. In the spirit of the preceding modules, we will have a look at how WIF integrates into the (SOAP) web service world. You will learn how to separate authentication into a separate service using the WS-Trust protocol and how WIF can simplify the WCF security model and extensibility API. Day 2 Advanced Topics:  Security Token Service Architecture, Delegation and Federation The preceding modules covered the 80/20 cases of WIF in combination with ASP.NET and WCF. In many scenarios this is just the tip of the iceberg. Especially when two business partners decide to federate, you usually have to deal with multiple token services and their implications in application design. Identity delegation is a feature that allows transporting the client identity over a chain of service invocations to make authorization decisions over multiple hops. In addition you will learn about the principal architecture of a STS, how to customize the one that comes with this training course, as well as how to build your own. Outsourcing Authentication:  Windows Azure & the Azure AppFabric Access Control Service Microsoft provides a multi-tenant security token service as part of the Azure platform cloud offering. This is an interesting product because it allows to outsource vital infrastructure services to a managed environment that guarantees uptime and scalability. Another advantage of the Access Control Service is, that it allows easy integration of both the “enterprise” protocols like WS-* as well as “web identities” like LiveID, Google or Facebook into your applications. ACS acts as a protocol bridge in this case where the application developer doesn’t need to implement all these protocols, but simply uses a service to make it happen. Claims & Federation for the Web and Mobile World Also the web & mobile world moves to a token and claims-based model. While the mechanics are almost identical, other protocols and token types are used to achieve better HTTP (REST) and JavaScript integration for in-browser applications and small footprint devices. Also patterns like how to allow third party applications to work with your data without having to disclose your credentials are important concepts in these application types. The nice thing about WIF and its powerful base APIs and abstractions is that it can shield application logic from these details while you can focus on implementing the actual application. HTH

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  • Identity in .NET 4.5&ndash;Part 3: (Breaking) changes

    - by Your DisplayName here!
    I recently started porting a private build of Thinktecture.IdentityModel to .NET 4.5 and noticed a number of changes. The good news is that I can delete large parts of my library because many features are now in the box. Along the way I found some other nice additions. ClaimsIdentity now has methods to query the claims collection, e.g. HasClaim(), FindFirst(), FindAll(). ClaimsPrincipal has those methods as well. But they work across all contained identities. Nice! ClaimsPrincipal.Current retrieves the ClaimsPrincipal from Thread.CurrentPrincipal. Combined with the above changes, no casting necessary anymore. SecurityTokenHandler now has read and write methods that work directly with strings. This makes it much easier to deal with non-XML tokens like SWT or JWT. A new session security token handler that uses the ASP.NET machine key to protect the cookie. This makes it easier to get started in web farm scenarios. No need for a custom service host factory or the federation behavior anymore. WCF can be switched into “WIF mode” with the useIdentityConfiguration switch (odd name though). Tooling has become better and the new test STS makes it very easy to get started. On the other hand – and that was kind of expected – to bring claims into the core framework, there are also some breaking changes for WIF code. If you want to migrate (and I would recommend that), most changes to your code are mechanical. The following is a brain dump of the changes I encountered. Assembly Microsoft.IdentityModel is gone. The new functionality is now in mscorlib, System.IdentityModel(.Services) and System.ServiceModel. All the namespaces have changed as well. No IClaimsPrincipal and IClaimsIdentity anymore. Configuration section has been split into <system.identityModel /> and <system.identityModel.services />. WCF configuration story has changed as well. Claim.ClaimType is now Claim.Type. ClaimCollection is now IEnumerable<Claim>. IsSessionMode is now IsReferenceMode. Bootstrap token handling is different now. ClaimsPrincipalHttpModule is gone. This is not really needed anymore, apart from maybe claims transformation (see here). Various factory methods on ClaimsPrincipal are gone (e.g. ClaimsPrincipal.CreateFromIdentity()). SecurityTokenHandler.ValidateToken now returns a ReadOnlyCollection<ClaimsIdentity>. Some lower level helper classes are gone or internal now (e.g. KeyGenerator). The WCF WS-Trust bindings are gone. I think this is a pity. They were *really* useful when doing work with WSTrustChannelFactory. Since WIF is part of the Windows operating system and also supported in future versions of .NET, there is no urgent need to migrate to the 4.5 claims model. But obviously, going forward, at some point you want to make the move.

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  • JMS equivalent in .Net

    - by rauts
    Hi All, I am trying to make an common abstract interface over the messaging infrastructure in our company. The design goal is to 2 fold. 1 is to hide the complexity of programming from the developers (i know its not very complex but still simplify it further) and 2 is to make the developers independent of the vendor specific messaging infrastructure (i.e. it can be MQSeries or EMS or MSMQ). The very common option is using the WCF layer over the messaging infrastructure. Use the MQSeries Custom channel for WCF or use EMS custom channle for WCF. But both are ruled out due to lack of proper version of MQSeries and EMS. Can someone please suggest what are the possible solutions to this problem. One which i can think of the to have a custom wrapper like JMS. Has anyone ever tried something similar before. Any help would be fantastic. by the way, i am trying to create this wrapper in C# 3.5. Regards

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  • Should the entity framework + self tracking entities be saving me time

    - by sipwiz
    I've been using the entity framework in combination with the self tracking entity code generation templates for my latest silverlight to WCF application. It's the first time I've used the entity framework in a real project and my hope was that I would save myself a lot of time and effort by being able to automatically update the whole data access layer of my project when my database schema changed. Happily I've found that to be the case, updating my database schema by adding a new table, changing column names, adding new columns etc. etc. can be propagated to my business object classes by using the update from database option on the entity framework model. Where I'm hurting is the CRUD operations within my WCF service in response to actions on my Silverlight client. I use the same self tracking entity framework business objects in my Silverlight app but I find I'm continually having to fight against problems such as foreign key associations not being handled correctly when updating an object or the change tracker getting confused about the state of an object at the Silverlight end and the data access operation within the WCF layer throwing a wobbly. It's got to a point where I have now spent more time dealing with this quirks than I have on my previous project where I used Linq-to-SQL as the starting point for rolling my own business objects. Is it just me being hopeless or is the self tracking entities approach something that should be avoided until it's more mature?

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  • RDP through TCP Proxy

    - by johng100
    Hi, First time in Stackoverflow and I'm hoping someone can help me. I'm looking at a proof of concept to pass RDP traffic through a TCP Proxy/tunnel which will pass through firewalls using HTTPS. The problem has to do with deploying images to machines and so it can't be assumed that the .NET framework will be present, so C++ is being used at the deployment end of a connection. The basic system I have at present is a program which listens for client connections on a port then passes any data to a WCF service which stores it as a byte array. A deployment machine (using GSoap and C++) polls the WCF service for messages and if it finds them then passes the data onto the target server process via sockets. I know this sounds horrible, but it works for simple test clients and server passing data to and from simple test client and server programs via this WCF/C++/C# proxy layer. But I have to support traffic from RDP, VNC and possibly others, so I need a transparent proxy to do this and am wondering whether the above approach is worth pursuing. I've read up on SSH tunneling and that seems a possibility. My basic question is is it possible to tunnel RDP traffic over HTTPS using custom code. Thanks John

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  • What MS technology to use for HTTP service returning XML?

    - by Borek
    I need to create a service that: accepts HTTP requests (with query string or HTTP POST parameters) does some processing on the requests (checking if the request is valid, authentication etc.) reads data from a custom store (another HTTP call in our case) returns the result as custom XML (defined with XSD) I'm trying to think of various MS technologies that could help me and how good they would be for this scenario (pretty standard one I guess). The tasks above are relatively separate, this is what comes to mind: HTTP front-end: ASP.NET Web Forms ASP.NET MVC (seems more appropriate here as I won't need server controls, view state etc.) WCF? Don't know much about it or how well it would suit my task. Custom logic on the server: this will probably be a generic C# code in all cases (sometimes "plugged into" or called from MVC controllers or some equivalent place in other technologies) Reading data from internal data stores: As said, this is another HTTP server in our case. Options that come to mind: Just read the data using something like WebClient (Just theoretically) implement a LINQ provider (Just even more theoretically) implement an EF provider Output the data as custom XML: Linq2XML Serialization? Is it flexible enough? Does WCF provide some tools for this? Some "OXM" - Object/XML mapper if there is something like that for .NET I may be wrong in many of my assumptions, this is just a quick list that comes to mind after a quick research. Some general notes / questions: Testing is important Solution with a clear domain model would be much preferred over the one without Can Entity Framework actually help somewhere in my scenario? If so, where and how? Would WCF be an appropriate technology for this? I don't know much about it.

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  • Different EF Property DataType than Storage Layer Possible?

    - by dj_kyron
    Hi, I am putting together a WCF Data Service for PatientEntities using Entity Framework. My solution needs to address these requirements: Property DateOfBirth of entity Patient is stored in SQL Server as string. It would be ideal if the entity class did not also use the "string" type but rather a DateTime type. (I would expect this to be possible since we're abstracting away from the storage layer). Where could a conversion mechanism be put in place that would convert to and from DateTime/string so that the entity and SQL Server are in sync?. I cannot change the storage layer's structure, so I have to work around it. WCF Data Services (Read-only, so no need for saving changes) need to be used since clients will be able to use LINQ expressions to consume the service. They can generate results based on any given query scenario they need and not be constrained by a single method such as GetPatient(int ID). I've tried to use DTOs, but run into problem of mapping the ObjectContext to a DTO, I don't think that is theoretically possible...or too complicated if it is. I've tried to use Self Tracking Entities but they require the metadata from the .edmx file if I'm correct, and this isn't allowing a different property data type. I also want to add customizations to my Entity getter methods so that a property "MRN" of type "string" needs to have .Replace("MR~", string.Empty) performed before it is returned. I can add this to the getter methods but the problem with that is Entity Framework will overwrite that next time it refreshes the entity classes. Is there a permanent place I can put these? Should I use POCO instead? How would that work with WCF Data Services? Where would the service grab the metadata?

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  • XBAP Browser Control - Invoking Click event of the html Input type button

    - by maharaj
    Hi, Here is what I have. 1.XBAP application with WPF Browser control, hosted on Page1.xaml 2.XBAP in Full Trust, certificate installed in client browser 3.Once the XBAP loaded, the browser control is navigated to some third party site. 4.We are using MVVM for XAML stuff So, when a certain page is loaded, I attach click event handler to the input button with id="submit" on the html page displayed in the browser control (used the code similar to whats in this URL http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/a4f0e4d0-78bf-44c5-a3fe-8faf2e7a0568/). It works just fine as long as I dont make a wcf web service call in my ViewModel, before or after I attach this event hander. Idea is to invoke the click event for the html button and grab the data from the html page before calling the webservice to save data from the page. Here is the issue: When I make the wcf webservice call (sync or async, it doesnt matter) the click event doesnt happen but if I comment out the the code for wcf service call the click event of the html input of type button gets invoked. Any help would be appreciated. Thanks, Salil

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  • C# async callback on disposed form

    - by Rodney Burton
    Quick question: One of my forms in my winform app (c#) makes an async call to a WCF service to get some data. If the form happens to close before the callback happens, it crashes with an error about accessing a disposed object. What's the correct way to check/handle this situation? The error happens on the Invoke call to the method to update my form, but I can't drill down to the inner exception because it says the code has been optimized. The Code: public void RequestUserPhoto(int userID) { WCF.Service.BeginGetUserPhoto(userID, new AsyncCallback(GetUserPhotoCB), userID); } public void GetUserPhotoCB(IAsyncResult result) { var photo = WCF.Service.EndGetUserPhoto(result); int userID = (int)result.AsyncState; UpdateUserPhoto(userID, photo); } public delegate void UpdateUserPhotoDelegate(int userID, Binary photo); public void UpdateUserPhoto(int userID, Binary photo) { if (InvokeRequired) { var d = new UpdateUserPhotoDelegate(UpdateUserPhoto); Invoke(d, new object[] { userID, photo }); } else { if (photo != null) { var ms = new MemoryStream(photo.ToArray()); var bmp = new System.Drawing.Bitmap(ms); if (userID == theForm.AuthUserID) { pbMyPhoto.BackgroundImage = bmp; } else { pbPhoto.BackgroundImage = bmp; } } } }

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  • Ways to access a 32bit DLL from a 64bit exe

    - by bufferz
    I have a project that must be compiled and run in 64 bit mode. Unfortunately, I am required to call upon a DLL that is only available in 32 bit mode, so there's no way I can house everything in a 1 Visual Studio project. I am working to find the best way to wrap the 32 bit DLL in its own exe/service and issue remote (although on the same machine) calls to that exe/service from my 64 bit app. My OS is Win7 Pro 64 bit. The required calls to this 32 bit process are several dozen per second, but low data volume. This is a realtime image analysis application so response time is critical despite low volume. Lots of sending/receiving single primitives. Ideally, I would host a WCF service to house this DLL, but in a 64 bit OS one cannot force the service to run as x86! Source. That is really unfortunate since I timed function calls to the WCF service to be only 4ms on my machine. I have experimented with named pipes is .net. I found them to be 40-50 times slower than WCF (unusable for me). Any other options or suggestions for the best way to approach my puzzle?

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  • Generating a twitter OAuth access key - the semi-manual way

    - by Piet
    [UPDATE] Apparently someone at Twitter was listening, or I’m going senile/blind. Let’s call it a combination of both. Instead of following all the steps below, you could just login with the Twitter account you want to use on http://dev.twitter.com, register your application and then click ‘Edit Details’ on the application overview page at http://dev.twitter.com/apps. Next click the ‘Application detail’ button on the right, followed by the ‘My Access Token’ button in order to get your Access Token and Access Token Secret. This makes the old post below rather obsolete. Clearly a case of me thinking everything is a nail and ruby is a hammer (don’t they usually say this about java coders?) [ORIGINAL POST] OAuth is great! OAuth allows your application to use your user’s data without the need to ask for their password. So Twitter made the API much safer for their and your users. Hurray! Free pizza for everyone! Unless of course you’re using the Twitter API for your own needs like running your own bot and don’t need access to other user’s data. In such cases a simple username/password combination is more than enough. I can understand however that the Twitter guys don’t really care that much about these exceptions(?). Most such uses for the API are probably rather spammy in nature. !!! If you have a twitter app that uses the API to access external user’s data: look for another solution. This solution is ONLY meant when you ONLY need access to your own account(s) through the API. Other Solutions Mr Dallas Devries posted a solution here which involves requesting and scraping a one-time PIN. But: I like to minimize the amount of calls I make to twitter’s API or pages to lessen my chances of meeting the fail whale. Also, as soon as the pin isn’t included in a div called ‘oauth_pin’ anymore, this will fail. However, mr Devries’ post was a starting point for my solution, so I’m much obliged to him posting his findings. Authenticating with the Twitter API: old vs new Acessing The Twitter API the old way: require ‘twitter’ httpauth = Twitter::HTTPAuth.new('my_account','my_secret_password') client = Twitter::Base.new(httpauth) client.update(‘Hurray!’) The OAuth way: require 'twitter' oauth = Twitter::OAuth.new('ve4whatafuzzksaMQKjoI', 'KliketyklikspQ6qYALcuNandsomemored8pQ6qYALIG7mbEQY') oauth.authorize_from_access('123-owhfmeyAgfozdyt5hDeprSevsWmPo5rVeroGfsthis', 'fGiinCdqtehMeehiddenymDeAsasaawgGeryye8amh') client = Twitter::Base.new(oauth) client.update(‘Hurray!’) In the above case, ve4whatafuzzksaMQKjoI is the ‘consumer key’ (sometimes also referred to as ‘consumer token’) and KliketyklikspQ6qYALcuNandsomemored8pQ6qYALIG7mbEQY is the ‘consumer secret’. You’ll get these from Twitter when you register your app. 123-owhfmeyAgfozdyt5hDeprSevsWmPo5rVeroGfsthis is the ‘access token’ and fGiinCdqtehMeehiddenymDeAsasaawgGeryye8amh is the ‘access secret’. This combination gives the registered application access to your account. I’ll show you how to obtain these by following the steps below. (Basically you’ll need a bunch of keys and you’ll have to jump a bit through hoops to obtain them for your server/bot. ) How to get these keys 1. Surf to the twitter apps registration page go to http://dev.twitter.com/apps to register your app. Login with your twitter account. 2. Register your application Enter something for Application name, Description, website,… as I said: they make you jump through hoops. If you plan on using the API to post tweets, Your application name and website will be used in the ‘5 minutes ago via…’ line below your tweet. You could use the this to point to a page with info about your bot, or maybe it’s useful for SEO purposes. For application type I choose ‘browser’ and entered http://www.hadermann.be/callback as a ‘Callback URL’. This url returns a 404 error, which is ideal because after giving our account access to our ‘application’ (step 6), it will redirect to this url with an ‘oauth_token’ and ‘oauth_verifier’ in the url. We need to get these from the url. It doesn’t really matter what you enter here though, you could leave it blank because you need to explicitely specify it when generating a request token. You probably want read&write access so set this at ‘Default Access type’. 3. Get your consumer key and consumer secret On the next page, copy/paste your ‘consumer key’ and ‘consumer secret’. You’ll need these later on. You also need these as part of the authentication in your script later on: oauth = Twitter::OAuth.new([consumer key], [consumer secret]) 4. Obtain your request token run the following in IRB to obtain your ‘request token’ Replace my fake consumer key and consumer secret with the one you obtained in step 3. And use something else instead http://www.hadermann.be/callback: although this will only give a 404, you shouldn’t trust me. irb(main):001:0> require 'oauth' irb(main):002:0> c = OAuth::Consumer.new('ve4whatafuzzksaMQKjoI', 'KliketyklikspQ6qYALcuNandsomemored8pQ6qYALIG7mbEQY', {:site => 'http://twitter.com'}) irb(main):003:0> request_token = c.get_request_token(:oauth_callback => 'http://www.hadermann.be/callback') irb(main):004:0> request_token.token => "UrperqaukeWsWt3IAlfbxzyBUFpwWIcWkHP94QH2C1" This (UrperqaukeWsWt3IAlfbxzyBUFpwWIcWkHP94QH2C1) is the request token: Copy/paste this token, you will need this next. 5. Authorize your application surf to https://api.twitter.com/oauth/authorize?oauth_token=[the above token], for example: https://api.twitter.com/oauth/authorize?oauth_token=UrperqaukeWsWt3IAlfbxzyBUFpwWIcWkHP94QH2C1 This will bring you to the ‘An application would like to connect to your account’- screen on Twitter where you can grant access to the app you just registered. If you aren’t still logged in, you need to login first. Click ‘Allow’. Unless you don’t trust yourself. 6. Get your oauth_verifier from the redirected url Your browser will be redirected to your callback url, with an oauth_token and oauth_verifier parameter appended. You’ll need the oauth_verifier. In my case the browser redirected to: http://www.hadermann.be/callback?oauth_token=UrperqaukeWsWt3IAlfbxzyBUFpwWIcWkHP94QH2C1&oauth_verifier=waoOhKo8orpaqvQe6rVi5fti4ejr8hPeZrTewyeag Which returned a 404, giving me the chance to copy/paste my oauth_verifier: waoOhKo8orpaqvQe6rVi5fti4ejr8hPeZrTewyeag 7. Request an access token Back to irb, use the oauth_verifier to request an access token, as follows: irb(main):005:0> at = request_token.get_access_token(:oauth_verifier => 'waoOhKo8orpaqvQe6rVi5fti4ejr8hPeZrTewyeag') irb(main):006:0> at.params[:oauth_token] => "123-owhfmeyAgfozdyt5hDeprSevsWmPo5rVeroGfsthis" irb(main):007:0> at.params[:oauth_token_secret] => "fGiinCdqtehMeehiddenymDeAsasaawgGeryye8amh" We’re there! 123-owhfmeyAgfozdyt5hDeprSevsWmPo5rVeroGfsthis is the access token. fGiinCdqtehMeehiddenymDeAsasaawgGeryye8amh is the access secret. Try it! Try the following to post an update: require 'twitter' oauth = Twitter::OAuth.new('ve4whatafuzzksaMQKjoI', 'KliketyklikspQ6qYALcuNandsomemored8pQ6qYALIG7mbEQY') oauth.authorize_from_access('123-owhfmeyAgfozdyt5hDeprSevsWmPo5rVeroGfsthis', 'fGiinCdqtehMeehiddenymDeAsasaawgGeryye8amh') client = Twitter::Base.new(oauth) client.update(‘Cowabunga!’) Now you can go to your twitter page and delete the tweet if you want to.

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  • Microsoft Templates included in jQuery 1.5!

    - by Stephen Walther
    When I joined the ASP.NET team as the Program Manager for Ajax, the ASP.NET team was working on releasing a new version of the Microsoft Ajax Library. This new version of the Microsoft Ajax Library had several really innovative and unique features such as support for client templates, client data-binding, script dependency management, and globalization. However, we kept hearing the message that our customers wanted to use jQuery when building ASP.NET applications. Therefore, about ten months ago, we decided to pursue a risky strategy. Scott Guthrie sent me to Cambridge to meet with John Resig – the creator of jQuery and leader of the jQuery project – to find out whether Microsoft and jQuery could work together. We wanted to find out whether the jQuery project would be open to allowing Microsoft to contribute the innovative features that we were developing for the Microsoft Ajax Library -- such as client templates and client data-binding -- to the jQuery library. Fortunately, the Cambridge meeting with Resig went well. John Resig was very open to accepting contributions to the jQuery library. Over the next few months, we worked out a process for Microsoft to contribute new features to the open-source jQuery project. Resig and Guthrie appeared on stage at the MIX10 conference to announce that Microsoft would be contributing features to jQuery. It has been a long journey, but I am happy to report success. Today, Microsoft and the jQuery project have announced that three plugins developed by developers on the ASP.NET team – the jQuery Templates, jQuery Data Link, and jQuery Globalization plugins – have been accepted as official jQuery plugins. In addition, the jQuery Templates plugin will be integrated into jQuery 1.5 which is the next major release of jQuery. You can learn more about the plugins by watching the following Web Camps TV episode hosted by James Senior with Stephen Walther: Web Camps TV #5 - Microsoft Commits Code to jQuery! You can read Scott Guthrie’s blog announcement here: http://weblogs.asp.net/scottgu/archive/2010/10/04/jquery-templates-data-link-and-globalization-accepted-as-official-jquery-plugins.aspx You can read the jQuery team’s announcement here: http://blog.jquery.com/2010/10/04/new-official-jquery-plugins-provide-templating-data-linking-and-globalization/ I wrote the original proposal for the jQuery Templates plugin. Dave Reed and Boris Moore were the ASP.NET developers responsible for actually writing the plugin (with lots of input from the jQuery team and the jQuery community). Boris has written a great set of tutorials on the Templates plugin. The first tutorial in his series is located here: http://www.borismoore.com/2010/09/introducing-jquery-templates-1-first.html I want to thank John Resig, Richard Worth, Scott Gonzalez, Rey Bango, Jorn Zaefferer, Karl Swedberg and all of the other members of the jQuery team for working with the ASP.NET team and accepting our contributions to the jQuery project.

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  • SQL SERVER – Dedicated Access Control for SQL Server Express Edition – An error occurred while obtaining the dedicated administrator connection (DAC) port.

    - by pinaldave
    Recently I had faced very interesting situation. Due to some reason we were not able to login into the production server for one of client. The reason for the same was that server was very busy, we had to login into the system and bring server to normal situation. When all the attempts failed, I decided to login using Dedicated Administrator Connection (DAC). However when I attempted to connect using DAC it threw following error for me. C:\Users\pinald>sqlcmd -A -d master -S .\SQLEXPRESS Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : SQL Server Network Interfaces: An error occurred while obtaining the dedicated administrator connection (DAC) port. Make sure that SQL Browser is running, or check the error log for t he port number [xFFFFFFFF]. .Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : Login timeout expired.Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. I was bit taken a back as I knew that my commands are correct to login and if DAC does not work, there should be some serious reason for it. When inquired further about the SQL Server version I learned that it was SQL Server Express version deployed. To conserve resources, SQL Server Express does not listen on the DAC port. There is an additional step to be done if SQL Server Express has to be used with DAC. Enable TRACEFLAG on SQL Server Express will enable the connection by DAC possible. Here is the quick methods how one can enable DAC on SQL Server Express. Go to Start >> All Program >>Microsoft SQL Server (your version) >> Configuration Tools >> SQL Server Configuration Manager. Click on SQL Server Services >> Select your SQL Server Express version >> Right Click Properties >> select Startup Parameters Once on the Startup Parameter add the Startup parameter which is TRACEFLAG -T7806. Click on OK and RESTART SQL Server Express edition. Now once again try to connect to SQL Server Express edition and it will work just fine. This is absolutely documented method on BOL and SQL Server Express needs to be restarted. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Error Messages, SQL Interview Questions and Answers, SQL Query, SQL Server, SQL Tips and Tricks, SQLServer, T SQL, Technology Tagged: SQL Server Express

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  • High CPU usage with Team Speak 3.0.0-rc2

    - by AlexTheBird
    The CPU usage is always around 40 percent. I use push-to-talk and I had uninstalled pulseaudio. Now I use Alsa. I don't even have to connect to a Server. By simply starting TS the cpu usage goes up 40 percent and stays there. The CPU usage of 3.0.0-rc1 [Build: 14468] is constantly 14 percent. This is the output of top, mpstat and ps aux while I am running TS3 ... of course: alexandros@alexandros-laptop:~$ top top - 18:20:07 up 2:22, 3 users, load average: 1.02, 0.85, 0.77 Tasks: 163 total, 1 running, 162 sleeping, 0 stopped, 0 zombie Cpu(s): 5.3%us, 1.9%sy, 0.1%ni, 91.8%id, 0.7%wa, 0.1%hi, 0.1%si, 0.0%st Mem: 2061344k total, 964028k used, 1097316k free, 69116k buffers Swap: 3997688k total, 0k used, 3997688k free, 449032k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2714 alexandr 20 0 206m 31m 24m S 37 1.6 0:12.78 ts3client_linux 868 root 20 0 47564 27m 10m S 8 1.4 3:21.73 Xorg 1 root 20 0 2804 1660 1204 S 0 0.1 0:00.53 init 2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd 3 root RT 0 0 0 0 S 0 0.0 0:00.01 migration/0 4 root 20 0 0 0 0 S 0 0.0 0:00.45 ksoftirqd/0 5 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0 6 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/1 7 root 20 0 0 0 0 S 0 0.0 0:00.08 ksoftirqd/1 8 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/1 9 root 20 0 0 0 0 S 0 0.0 0:01.17 events/0 10 root 20 0 0 0 0 S 0 0.0 0:00.81 events/1 11 root 20 0 0 0 0 S 0 0.0 0:00.00 cpuset 12 root 20 0 0 0 0 S 0 0.0 0:00.00 khelper 13 root 20 0 0 0 0 S 0 0.0 0:00.00 async/mgr 14 root 20 0 0 0 0 S 0 0.0 0:00.00 pm 16 root 20 0 0 0 0 S 0 0.0 0:00.00 sync_supers 17 root 20 0 0 0 0 S 0 0.0 0:00.00 bdi-default 18 root 20 0 0 0 0 S 0 0.0 0:00.00 kintegrityd/0 19 root 20 0 0 0 0 S 0 0.0 0:00.00 kintegrityd/1 20 root 20 0 0 0 0 S 0 0.0 0:00.05 kblockd/0 21 root 20 0 0 0 0 S 0 0.0 0:00.02 kblockd/1 22 root 20 0 0 0 0 S 0 0.0 0:00.00 kacpid 23 root 20 0 0 0 0 S 0 0.0 0:00.00 kacpi_notify 24 root 20 0 0 0 0 S 0 0.0 0:00.00 kacpi_hotplug 25 root 20 0 0 0 0 S 0 0.0 0:00.99 ata/0 26 root 20 0 0 0 0 S 0 0.0 0:00.92 ata/1 27 root 20 0 0 0 0 S 0 0.0 0:00.00 ata_aux 28 root 20 0 0 0 0 S 0 0.0 0:00.00 ksuspend_usbd 29 root 20 0 0 0 0 S 0 0.0 0:00.00 khubd alexandros@alexandros-laptop:~$ mpstat Linux 2.6.32-32-generic (alexandros-laptop) 16.06.2011 _i686_ (2 CPU) 18:20:15 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle 18:20:15 all 5,36 0,09 1,91 0,68 0,07 0,06 0,00 0,00 91,83 alexandros@alexandros-laptop:~$ ps aux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0.0 0.0 2804 1660 ? Ss 15:58 0:00 /sbin/init root 2 0.0 0.0 0 0 ? S 15:58 0:00 [kthreadd] root 3 0.0 0.0 0 0 ? S 15:58 0:00 [migration/0] root 4 0.0 0.0 0 0 ? S 15:58 0:00 [ksoftirqd/0] root 5 0.0 0.0 0 0 ? S 15:58 0:00 [watchdog/0] root 6 0.0 0.0 0 0 ? S 15:58 0:00 [migration/1] root 7 0.0 0.0 0 0 ? S 15:58 0:00 [ksoftirqd/1] root 8 0.0 0.0 0 0 ? S 15:58 0:00 [watchdog/1] root 9 0.0 0.0 0 0 ? S 15:58 0:01 [events/0] root 10 0.0 0.0 0 0 ? S 15:58 0:00 [events/1] root 11 0.0 0.0 0 0 ? S 15:58 0:00 [cpuset] root 12 0.0 0.0 0 0 ? S 15:58 0:00 [khelper] root 13 0.0 0.0 0 0 ? S 15:58 0:00 [async/mgr] root 14 0.0 0.0 0 0 ? S 15:58 0:00 [pm] root 16 0.0 0.0 0 0 ? S 15:58 0:00 [sync_supers] root 17 0.0 0.0 0 0 ? S 15:58 0:00 [bdi-default] root 18 0.0 0.0 0 0 ? S 15:58 0:00 [kintegrityd/0] root 19 0.0 0.0 0 0 ? S 15:58 0:00 [kintegrityd/1] root 20 0.0 0.0 0 0 ? S 15:58 0:00 [kblockd/0] root 21 0.0 0.0 0 0 ? S 15:58 0:00 [kblockd/1] root 22 0.0 0.0 0 0 ? S 15:58 0:00 [kacpid] root 23 0.0 0.0 0 0 ? S 15:58 0:00 [kacpi_notify] root 24 0.0 0.0 0 0 ? S 15:58 0:00 [kacpi_hotplug] root 25 0.0 0.0 0 0 ? S 15:58 0:00 [ata/0] root 26 0.0 0.0 0 0 ? S 15:58 0:00 [ata/1] root 27 0.0 0.0 0 0 ? S 15:58 0:00 [ata_aux] root 28 0.0 0.0 0 0 ? S 15:58 0:00 [ksuspend_usbd] root 29 0.0 0.0 0 0 ? S 15:58 0:00 [khubd] root 30 0.0 0.0 0 0 ? S 15:58 0:00 [kseriod] root 31 0.0 0.0 0 0 ? S 15:58 0:00 [kmmcd] root 34 0.0 0.0 0 0 ? S 15:58 0:00 [khungtaskd] root 35 0.0 0.0 0 0 ? S 15:58 0:00 [kswapd0] root 36 0.0 0.0 0 0 ? SN 15:58 0:00 [ksmd] root 37 0.0 0.0 0 0 ? S 15:58 0:00 [aio/0] root 38 0.0 0.0 0 0 ? S 15:58 0:00 [aio/1] root 39 0.0 0.0 0 0 ? S 15:58 0:00 [ecryptfs-kthrea] root 40 0.0 0.0 0 0 ? S 15:58 0:00 [crypto/0] root 41 0.0 0.0 0 0 ? S 15:58 0:00 [crypto/1] root 48 0.0 0.0 0 0 ? S 15:58 0:03 [scsi_eh_0] root 50 0.0 0.0 0 0 ? S 15:58 0:00 [scsi_eh_1] root 53 0.0 0.0 0 0 ? S 15:58 0:00 [kstriped] root 54 0.0 0.0 0 0 ? S 15:58 0:00 [kmpathd/0] root 55 0.0 0.0 0 0 ? S 15:58 0:00 [kmpathd/1] root 56 0.0 0.0 0 0 ? S 15:58 0:00 [kmpath_handlerd] root 57 0.0 0.0 0 0 ? S 15:58 0:00 [ksnapd] root 58 0.0 0.0 0 0 ? S 15:58 0:03 [kondemand/0] root 59 0.0 0.0 0 0 ? S 15:58 0:02 [kondemand/1] root 60 0.0 0.0 0 0 ? S 15:58 0:00 [kconservative/0] root 61 0.0 0.0 0 0 ? S 15:58 0:00 [kconservative/1] root 213 0.0 0.0 0 0 ? S 15:58 0:00 [scsi_eh_2] root 222 0.0 0.0 0 0 ? S 15:58 0:00 [scsi_eh_3] root 234 0.0 0.0 0 0 ? S 15:58 0:00 [scsi_eh_4] root 235 0.0 0.0 0 0 ? S 15:58 0:01 [usb-storage] root 255 0.0 0.0 0 0 ? S 15:58 0:00 [jbd2/sda5-8] root 256 0.0 0.0 0 0 ? S 15:58 0:00 [ext4-dio-unwrit] root 257 0.0 0.0 0 0 ? S 15:58 0:00 [ext4-dio-unwrit] root 290 0.0 0.0 0 0 ? S 15:58 0:00 [flush-8:0] root 318 0.0 0.0 2316 888 ? S 15:58 0:00 upstart-udev-bridge --daemon root 321 0.0 0.0 2616 1024 ? S<s 15:58 0:00 udevd --daemon root 526 0.0 0.0 0 0 ? S 15:58 0:00 [kpsmoused] root 528 0.0 0.0 0 0 ? S 15:58 0:00 [led_workqueue] root 650 0.0 0.0 0 0 ? S 15:58 0:00 [radeon/0] root 651 0.0 0.0 0 0 ? S 15:58 0:00 [radeon/1] root 652 0.0 0.0 0 0 ? S 15:58 0:00 [ttm_swap] root 654 0.0 0.0 2612 984 ? S< 15:58 0:00 udevd --daemon root 656 0.0 0.0 0 0 ? S 15:58 0:00 [hd-audio0] root 657 0.0 0.0 2612 916 ? S< 15:58 0:00 udevd --daemon root 674 0.6 0.0 0 0 ? S 15:58 0:57 [phy0] syslog 715 0.0 0.0 34812 1776 ? Sl 15:58 0:00 rsyslogd -c4 102 731 0.0 0.0 3236 1512 ? Ss 15:58 0:02 dbus-daemon --system --fork root 740 0.0 0.1 19088 3380 ? Ssl 15:58 0:00 gdm-binary root 744 0.0 0.1 18900 4032 ? Ssl 15:58 0:01 NetworkManager avahi 749 0.0 0.0 2928 1520 ? S 15:58 0:00 avahi-daemon: running [alexandros-laptop.local] avahi 752 0.0 0.0 2928 544 ? Ss 15:58 0:00 avahi-daemon: chroot helper root 753 0.0 0.1 4172 2300 ? S 15:58 0:00 /usr/sbin/modem-manager root 762 0.0 0.1 20584 3152 ? Sl 15:58 0:00 /usr/sbin/console-kit-daemon --no-daemon root 836 0.0 0.1 20856 3864 ? Sl 15:58 0:00 /usr/lib/gdm/gdm-simple-slave --display-id /org/gnome/DisplayManager/Display1 root 856 0.0 0.1 4836 2388 ? S 15:58 0:00 /sbin/wpa_supplicant -u -s root 868 2.3 1.3 36932 27924 tty7 Rs+ 15:58 3:22 /usr/bin/X :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-a46T4j/database -nolisten root 891 0.0 0.0 1792 564 tty4 Ss+ 15:58 0:00 /sbin/getty -8 38400 tty4 root 901 0.0 0.0 1792 564 tty5 Ss+ 15:58 0:00 /sbin/getty -8 38400 tty5 root 908 0.0 0.0 1792 564 tty2 Ss+ 15:58 0:00 /sbin/getty -8 38400 tty2 root 910 0.0 0.0 1792 568 tty3 Ss+ 15:58 0:00 /sbin/getty -8 38400 tty3 root 913 0.0 0.0 1792 564 tty6 Ss+ 15:58 0:00 /sbin/getty -8 38400 tty6 root 917 0.0 0.0 2180 1072 ? Ss 15:58 0:00 acpid -c /etc/acpi/events -s /var/run/acpid.socket daemon 924 0.0 0.0 2248 432 ? Ss 15:58 0:00 atd root 927 0.0 0.0 2376 900 ? Ss 15:58 0:00 cron root 950 0.0 0.0 11736 1372 ? Ss 15:58 0:00 /usr/sbin/winbindd root 958 0.0 0.0 11736 1184 ? S 15:58 0:00 /usr/sbin/winbindd root 974 0.0 0.1 6832 2580 ? Ss 15:58 0:00 /usr/sbin/cupsd -C /etc/cups/cupsd.conf root 1078 0.0 0.0 1792 564 tty1 Ss+ 15:58 0:00 /sbin/getty -8 38400 tty1 gdm 1097 0.0 0.0 3392 772 ? S 15:58 0:00 /usr/bin/dbus-launch --exit-with-session root 1112 0.0 0.1 19216 3292 ? Sl 15:58 0:00 /usr/lib/gdm/gdm-session-worker root 1116 0.0 0.1 5540 2932 ? S 15:58 0:01 /usr/lib/upower/upowerd root 1131 0.0 0.1 6308 3824 ? S 15:58 0:00 /usr/lib/policykit-1/polkitd 108 1163 0.0 0.2 16788 4360 ? Ssl 15:58 0:01 /usr/sbin/hald root 1164 0.0 0.0 3536 1300 ? S 15:58 0:00 hald-runner root 1188 0.0 0.0 3612 1256 ? S 15:58 0:00 hald-addon-input: Listening on /dev/input/event6 /dev/input/event5 /dev/input/event2 root 1194 0.0 0.0 3612 1224 ? S 15:58 0:00 /usr/lib/hal/hald-addon-rfkill-killswitch root 1200 0.0 0.0 3608 1240 ? S 15:58 0:00 /usr/lib/hal/hald-addon-generic-backlight root 1202 0.0 0.0 3616 1236 ? S 15:58 0:02 hald-addon-storage: polling /dev/sr0 (every 2 sec) root 1204 0.0 0.0 3616 1236 ? S 15:58 0:00 hald-addon-storage: polling /dev/sdb (every 2 sec) root 1211 0.0 0.0 3624 1220 ? S 15:58 0:00 /usr/lib/hal/hald-addon-cpufreq 108 1212 0.0 0.0 3420 1200 ? S 15:58 0:00 hald-addon-acpi: listening on acpid socket /var/run/acpid.socket 1000 1222 0.0 0.1 24196 2816 ? Sl 15:58 0:00 /usr/bin/gnome-keyring-daemon --daemonize --login 1000 1240 0.0 0.3 28228 7312 ? Ssl 15:58 0:00 gnome-session 1000 1274 0.0 0.0 3284 356 ? Ss 15:58 0:00 /usr/bin/ssh-agent /usr/bin/dbus-launch --exit-with-session gnome-session 1000 1277 0.0 0.0 3392 772 ? S 15:58 0:00 /usr/bin/dbus-launch --exit-with-session gnome-session 1000 1278 0.0 0.0 3160 1652 ? Ss 15:58 0:00 /bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session 1000 1281 0.0 0.2 8172 4636 ? S 15:58 0:00 /usr/lib/libgconf2-4/gconfd-2 1000 1287 0.0 0.5 24228 10896 ? Ss 15:58 0:03 /usr/lib/gnome-settings-daemon/gnome-settings-daemon 1000 1290 0.0 0.1 6468 2364 ? S 15:58 0:00 /usr/lib/gvfs/gvfsd 1000 1293 0.0 0.6 38104 13004 ? S 15:58 0:03 metacity 1000 1296 0.0 0.1 30280 2628 ? Ssl 15:58 0:00 /usr/lib/gvfs//gvfs-fuse-daemon /home/alexandros/.gvfs 1000 1301 0.0 0.0 3344 988 ? S 15:58 0:03 syndaemon -i 0.5 -k 1000 1303 0.0 0.1 8060 3488 ? S 15:58 0:00 /usr/lib/gvfs/gvfs-gdu-volume-monitor root 1306 0.0 0.1 15692 3104 ? Sl 15:58 0:00 /usr/lib/udisks/udisks-daemon 1000 1307 0.4 1.0 50748 21684 ? S 15:58 0:34 python -u /usr/share/screenlets/DigiClock/DigiClockScreenlet.py 1000 1308 0.0 0.9 35608 18564 ? S 15:58 0:00 python /usr/share/screenlets-manager/screenlets-daemon.py 1000 1309 0.0 0.3 19524 6468 ? S 15:58 0:00 /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 1000 1311 0.0 0.5 37412 11788 ? S 15:58 0:01 gnome-power-manager 1000 1312 0.0 1.0 50772 22628 ? S 15:58 0:03 gnome-panel 1000 1313 0.1 1.5 102648 31184 ? Sl 15:58 0:10 nautilus root 1314 0.0 0.0 5188 996 ? S 15:58 0:02 udisks-daemon: polling /dev/sdb /dev/sr0 1000 1315 0.0 0.6 51948 12464 ? SL 15:58 0:01 nm-applet --sm-disable 1000 1317 0.0 0.1 16956 2364 ? Sl 15:58 0:00 /usr/lib/gvfs/gvfs-afc-volume-monitor 1000 1318 0.0 0.3 20164 7792 ? S 15:58 0:00 bluetooth-applet 1000 1321 0.0 0.1 7260 2384 ? S 15:58 0:00 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor 1000 1323 0.0 0.5 37436 12124 ? S 15:58 0:00 /usr/lib/notify-osd/notify-osd 1000 1324 0.0 1.9 197928 40456 ? Ssl 15:58 0:06 /home/alexandros/.dropbox-dist/dropbox 1000 1329 0.0 0.3 20136 7968 ? S 15:58 0:00 /usr/bin/gnome-screensaver --no-daemon 1000 1331 0.0 0.1 7056 3112 ? S 15:58 0:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.6 /org/gtk/gvfs/exec_spaw/0 root 1340 0.0 0.0 2236 1008 ? S 15:58 0:00 /sbin/dhclient -d -sf /usr/lib/NetworkManager/nm-dhcp-client.action -pf /var/run/dhcl 1000 1348 0.0 0.1 42252 3680 ? Ssl 15:58 0:00 /usr/lib/bonobo-activation/bonobo-activation-server --ac-activate --ior-output-fd=19 1000 1384 0.0 1.7 80244 35480 ? Sl 15:58 0:02 /usr/bin/python /usr/lib/deskbar-applet/deskbar-applet/deskbar-applet --oaf-activate- 1000 1388 0.0 0.5 26196 11804 ? S 15:58 0:01 /usr/lib/gnome-panel/wnck-applet --oaf-activate-iid=OAFIID:GNOME_Wncklet_Factory --oa 1000 1393 0.1 0.5 25876 11548 ? S 15:58 0:08 /usr/lib/gnome-applets/multiload-applet-2 --oaf-activate-iid=OAFIID:GNOME_MultiLoadAp 1000 1394 0.0 0.5 25600 11140 ? S 15:58 0:03 /usr/lib/gnome-applets/cpufreq-applet --oaf-activate-iid=OAFIID:GNOME_CPUFreqApplet_F 1000 1415 0.0 0.5 39192 11156 ? S 15:58 0:01 /usr/lib/gnome-power-manager/gnome-inhibit-applet --oaf-activate-iid=OAFIID:GNOME_Inh 1000 1417 0.0 0.7 53544 15488 ? Sl 15:58 0:00 /usr/lib/gnome-applets/mixer_applet2 --oaf-activate-iid=OAFIID:GNOME_MixerApplet_Fact 1000 1419 0.0 0.4 23816 9068 ? S 15:58 0:00 /usr/lib/gnome-panel/notification-area-applet --oaf-activate-iid=OAFIID:GNOME_Notific 1000 1488 0.0 0.3 20964 7548 ? S 15:58 0:00 /usr/lib/gnome-disk-utility/gdu-notification-daemon 1000 1490 0.0 0.1 6608 2484 ? S 15:58 0:00 /usr/lib/gvfs/gvfsd-burn --spawner :1.6 /org/gtk/gvfs/exec_spaw/1 1000 1510 0.0 0.1 6348 2084 ? S 15:58 0:00 /usr/lib/gvfs/gvfsd-metadata 1000 1531 0.0 0.3 19472 6616 ? S 15:58 0:00 /usr/lib/gnome-user-share/gnome-user-share 1000 1535 0.0 0.4 77128 8392 ? Sl 15:58 0:00 /usr/lib/evolution/evolution-data-server-2.28 --oaf-activate-iid=OAFIID:GNOME_Evoluti 1000 1601 0.0 0.5 69576 11800 ? Sl 15:59 0:00 /usr/lib/evolution/2.28/evolution-alarm-notify 1000 1604 0.0 0.7 33924 15888 ? S 15:59 0:00 python /usr/share/system-config-printer/applet.py 1000 1701 0.0 0.5 37116 11968 ? S 15:59 0:00 update-notifier 1000 1892 4.5 7.0 406720 145312 ? Sl 17:11 3:09 /opt/google/chrome/chrome 1000 1896 0.0 0.1 69812 3680 ? S 17:11 0:02 /opt/google/chrome/chrome 1000 1898 0.0 0.6 91420 14080 ? S 17:11 0:00 /opt/google/chrome/chrome --type=zygote 1000 1916 0.2 1.3 140780 27220 ? Sl 17:11 0:12 /opt/google/chrome/chrome --type=extension --disable-client-side-phishing-detection - 1000 1918 0.7 1.8 155720 37912 ? Sl 17:11 0:31 /opt/google/chrome/chrome --type=extension --disable-client-side-phishing-detection - 1000 1921 0.0 1.0 135904 21052 ? Sl 17:11 0:02 /opt/google/chrome/chrome --type=extension --disable-client-side-phishing-detection - 1000 1927 6.5 3.6 194604 74960 ? Sl 17:11 4:32 /opt/google/chrome/chrome --type=renderer --disable-client-side-phishing-detection -- 1000 2156 0.4 0.7 48344 14896 ? Rl 18:03 0:04 gnome-terminal 1000 2157 0.0 0.0 1988 712 ? S 18:03 0:00 gnome-pty-helper 1000 2158 0.0 0.1 6504 3860 pts/0 Ss 18:03 0:00 bash 1000 2564 0.2 0.1 6624 3984 pts/1 Ss+ 18:17 0:00 bash 1000 2711 0.0 0.0 4208 1352 ? S 18:19 0:00 /bin/bash /home/alexandros/Programme/TeamSpeak3-Client-linux_x86_back/ts3client_runsc 1000 2714 36.5 1.5 210872 31960 ? SLl 18:19 0:18 ./ts3client_linux_x86 1000 2743 0.0 0.0 2716 1068 pts/0 R+ 18:20 0:00 ps aux Output of vmstat: alexandros@alexandros-laptop:~$ vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 1093324 69840 449496 0 0 27 10 476 667 6 2 91 1 Output of lsusb alexandros@alexandros-laptop:~$ lspci 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 671MX 00:01.0 PCI bridge: Silicon Integrated Systems [SiS] PCI-to-PCI bridge 00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS968 [MuTIOL Media IO] (rev 01) 00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev 01) 00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f) 00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f) 00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 Controller 00:05.0 IDE interface: Silicon Integrated Systems [SiS] SATA Controller / IDE mode (rev 03) 00:06.0 PCI bridge: Silicon Integrated Systems [SiS] PCI-to-PCI bridge 00:07.0 PCI bridge: Silicon Integrated Systems [SiS] PCI-to-PCI bridge 00:0d.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 00:0f.0 Audio device: Silicon Integrated Systems [SiS] Azalia Audio Controller 01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon X2300 02:00.0 Ethernet controller: Atheros Communications Inc. AR5001 Wireless Network Adapter (rev 01) The Team Speak log file : 2011-06-19 19:04:04.223522|INFO | | | Logging started, clientlib version: 3.0.0-rc2 [Build: 14642] 2011-06-19 19:04:04.761149|ERROR |SoundBckndIntf| | /home/alexandros/Programme/TeamSpeak3-Client-linux_x86_back/soundbackends/libpulseaudio_linux_x86.so error: NOT_CONNECTED 2011-06-19 19:04:05.871770|INFO |ClientUI | | Failed to init text to speech engine 2011-06-19 19:04:05.894623|INFO |ClientUI | | TeamSpeak 3 client version: 3.0.0-rc2 [Build: 14642] 2011-06-19 19:04:05.895421|INFO |ClientUI | | Qt version: 4.7.2 2011-06-19 19:04:05.895571|INFO |ClientUI | | Using configuration location: /home/alexandros/.ts3client/ts3clientui_qt.conf 2011-06-19 19:04:06.559596|INFO |ClientUI | | Last update check was: Sa. Jun 18 00:08:43 2011 2011-06-19 19:04:06.560506|INFO | | | Checking for updates... 2011-06-19 19:04:07.357869|INFO | | | Update check, my version: 14642, latest version: 14642 2011-06-19 19:05:52.978481|INFO |PreProSpeex | 1| Speex version: 1.2rc1 2011-06-19 19:05:54.055347|INFO |UIHelpers | | setClientVolumeModifier: 10 -8 2011-06-19 19:05:54.057196|INFO |UIHelpers | | setClientVolumeModifier: 11 2 Thanks for taking the time to read my message. UPDATE: Thanks to nickguletskii's link I googled for "alsa cpu usage" (without quotes) and it brought me to a forum. A user wrote that by directly selecting the hardware with "plughw:x.x" won't impact the performance of the system. I have selected it in the TS 3 configuration and it worked. But this solution is not optimal because now no other program can access the sound output. If you need any further information or my question is unclear than please tell me.

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  • Computer crashes on resume from standby almost every time

    - by Los Frijoles
    I am running Ubuntu 12.04 on a Core i5 2500K and ASRock Z68 Pro3-M motherboard (no graphics card, hd is a WD Green 1TB, and cd drive is some cheap lite-on drive). Since installing 12.04, my computer has been freezing after resume, but not every time. When I start to resume, it starts going normally with a blinking cursor on the screen and then sometimes it will continue on to the gnome 3 unlock screen. Most of the time, however, it will blink for a little bit and then the monitor will flip modes and shut off due to no signal. Pressing keys on the keyboard gets no response (num lock light doesn't respond, Ctrl-Alt-F1 fails to drop it into a terminal, Ctrl-Alt-Backspace doesn't work) and so I assume the computer is crashed. The worst part is, the logs look entirely normal. Here is my system log during one of these crashes and my subsequent hard poweroff and restart: Jun 6 21:54:43 kcuzner-desktop udevd[10448]: inotify_add_watch(6, /dev/dm-2, 10) failed: No such file or directory Jun 6 21:54:43 kcuzner-desktop udevd[10448]: inotify_add_watch(6, /dev/dm-2, 10) failed: No such file or directory Jun 6 21:54:43 kcuzner-desktop udevd[10448]: inotify_add_watch(6, /dev/dm-1, 10) failed: No such file or directory Jun 6 21:54:43 kcuzner-desktop udevd[12419]: inotify_add_watch(6, /dev/dm-0, 10) failed: No such file or directory Jun 6 21:54:43 kcuzner-desktop udevd[10448]: inotify_add_watch(6, /dev/dm-0, 10) failed: No such file or directory Jun 6 22:09:01 kcuzner-desktop CRON[9061]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Jun 6 22:17:01 kcuzner-desktop CRON[22142]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jun 6 22:39:01 kcuzner-desktop CRON[26909]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Jun 6 22:54:21 kcuzner-desktop kernel: [57905.560822] show_signal_msg: 36 callbacks suppressed Jun 6 22:54:21 kcuzner-desktop kernel: [57905.560828] chromium-browse[9139]: segfault at 0 ip 00007f3a78efade0 sp 00007fff7e2d2c18 error 4 in chromium-browser[7f3a76604000+412b000] Jun 6 23:05:43 kcuzner-desktop kernel: [58586.415158] chromium-browse[21025]: segfault at 0 ip 00007f3a78efade0 sp 00007fff7e2d2c18 error 4 in chromium-browser[7f3a76604000+412b000] Jun 6 23:09:01 kcuzner-desktop CRON[13542]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Jun 6 23:12:43 kcuzner-desktop kernel: [59006.317590] usb 2-1.7: USB disconnect, device number 8 Jun 6 23:12:43 kcuzner-desktop kernel: [59006.319672] sd 7:0:0:0: [sdg] Synchronizing SCSI cache Jun 6 23:12:43 kcuzner-desktop kernel: [59006.319737] sd 7:0:0:0: [sdg] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK Jun 6 23:17:01 kcuzner-desktop CRON[26580]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jun 6 23:19:04 kcuzner-desktop acpid: client connected from 29925[0:0] Jun 6 23:19:04 kcuzner-desktop acpid: 1 client rule loaded Jun 6 23:19:07 kcuzner-desktop rtkit-daemon[1835]: Successfully made thread 30131 of process 30131 (n/a) owned by '104' high priority at nice level -11. Jun 6 23:19:07 kcuzner-desktop rtkit-daemon[1835]: Supervising 1 threads of 1 processes of 1 users. Jun 6 23:19:07 kcuzner-desktop rtkit-daemon[1835]: Successfully made thread 30162 of process 30131 (n/a) owned by '104' RT at priority 5. Jun 6 23:19:07 kcuzner-desktop rtkit-daemon[1835]: Supervising 2 threads of 1 processes of 1 users. Jun 6 23:19:07 kcuzner-desktop rtkit-daemon[1835]: Successfully made thread 30163 of process 30131 (n/a) owned by '104' RT at priority 5. Jun 6 23:19:07 kcuzner-desktop rtkit-daemon[1835]: Supervising 3 threads of 1 processes of 1 users. Jun 6 23:19:07 kcuzner-desktop bluetoothd[1140]: Endpoint registered: sender=:1.239 path=/MediaEndpoint/HFPAG Jun 6 23:19:07 kcuzner-desktop bluetoothd[1140]: Endpoint registered: sender=:1.239 path=/MediaEndpoint/A2DPSource Jun 6 23:19:07 kcuzner-desktop bluetoothd[1140]: Endpoint registered: sender=:1.239 path=/MediaEndpoint/A2DPSink Jun 6 23:19:07 kcuzner-desktop rtkit-daemon[1835]: Successfully made thread 30166 of process 30166 (n/a) owned by '104' high priority at nice level -11. Jun 6 23:19:07 kcuzner-desktop rtkit-daemon[1835]: Supervising 4 threads of 2 processes of 1 users. Jun 6 23:19:07 kcuzner-desktop pulseaudio[30166]: [pulseaudio] pid.c: Daemon already running. Jun 6 23:19:10 kcuzner-desktop acpid: client 2942[0:0] has disconnected Jun 6 23:19:10 kcuzner-desktop acpid: client 29925[0:0] has disconnected Jun 6 23:19:10 kcuzner-desktop acpid: client connected from 1286[0:0] Jun 6 23:19:10 kcuzner-desktop acpid: 1 client rule loaded Jun 6 23:19:31 kcuzner-desktop bluetoothd[1140]: Endpoint unregistered: sender=:1.239 path=/MediaEndpoint/HFPAG Jun 6 23:19:31 kcuzner-desktop bluetoothd[1140]: Endpoint unregistered: sender=:1.239 path=/MediaEndpoint/A2DPSource Jun 6 23:19:31 kcuzner-desktop bluetoothd[1140]: Endpoint unregistered: sender=:1.239 path=/MediaEndpoint/A2DPSink Jun 6 23:28:12 kcuzner-desktop kernel: imklog 5.8.6, log source = /proc/kmsg started. Jun 6 23:28:12 kcuzner-desktop rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="1053" x-info="http://www.rsyslog.com"] start Jun 6 23:28:12 kcuzner-desktop rsyslogd: rsyslogd's groupid changed to 103 Jun 6 23:28:12 kcuzner-desktop rsyslogd: rsyslogd's userid changed to 101 Jun 6 23:28:12 kcuzner-desktop rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ] Jun 6 23:28:12 kcuzner-desktop modem-manager[1070]: <info> Loaded plugin Ericsson MBM Jun 6 23:28:12 kcuzner-desktop modem-manager[1070]: <info> Loaded plugin Sierra Jun 6 23:28:12 kcuzner-desktop modem-manager[1070]: <info> Loaded plugin Generic Jun 6 23:28:12 kcuzner-desktop modem-manager[1070]: <info> Loaded plugin Huawei Jun 6 23:28:12 kcuzner-desktop modem-manager[1070]: <info> Loaded plugin Linktop Jun 6 23:28:12 kcuzner-desktop bluetoothd[1072]: Failed to init gatt_example plugin Jun 6 23:28:12 kcuzner-desktop bluetoothd[1072]: Listening for HCI events on hci0 Jun 6 23:28:12 kcuzner-desktop NetworkManager[1080]: <info> NetworkManager (version 0.9.4.0) is starting... Jun 6 23:28:12 kcuzner-desktop NetworkManager[1080]: <info> Read config file /etc/NetworkManager/NetworkManager.conf Jun 6 23:28:12 kcuzner-desktop NetworkManager[1080]: <info> VPN: loaded org.freedesktop.NetworkManager.pptp Jun 6 23:28:12 kcuzner-desktop NetworkManager[1080]: <info> DNS: loaded plugin dnsmasq Jun 6 23:28:12 kcuzner-desktop kernel: [ 0.000000] Initializing cgroup subsys cpuset Jun 6 23:28:12 kcuzner-desktop kernel: [ 0.000000] Initializing cgroup subsys cpu Sorry it's so huge; the restart happens at 23:28:12 I believe and all I see is that chromium segfaulted a few times. I wouldn't think a segfault from an individual program on the computer would crash it, but could that be the issue?

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  • Learning PostgreSql: Reading and Writing From .Net

    - by Alexander Kuznetsov
    In this post we shall do some setup tasks, save a few rows of data from a .Net client to PostgreSql, and read it back. Setting up We have set up a virtual machine running Red Hat Linux, installed PostgreSql 9.3 on it, and made sure there is enough disk space. 9.3 is a very recent version, released this September. Because PostgreSqlis not known for releasing before the full testing is complete, we did not have to wait for the next service pack or something like that. Smoke test On the client machine...(read more)

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  • How to Create a Realistic Timeline for your Projects

    - by Aditi
    Developing a Realistic project time line is a biggest and most challenging task of any team. We here at JustSkins, have learned over time that developing and adhering to a timeline isn’t easy but is not impossible. Keeping in consideration from any technical glitches to a human resource issue, unexpected complications can come up at any time during the entire project life cycle, How ever there are many things you can do in order to save the project from going off-track there. A specific timeline is very important statistic for time management planning and keeping your client informed of the progress. Have a rigid time tracking assures the client, that you are committed to achieving specific project milestones in time. The more you work on varied IT projects, the more you know about the aspects of project and you get to better develop future estimates and timelines. Make a Structure When estimating the time required to accomplish each task, consider which all team members will be involved, also assign the amount of time each individual must put in to the project. Define Scope & dependability and set deadlines for accomplishing them. Sometimes Working in Phases or modules help in doing more in lesser time. One must use a Project management tool in order to systematize the collaboration between the team members. Realistic Goal Setting One approach is to keep a bandwidth of few days to deal with delay, errors & incorrect coding issues you are likely to have in the course. It is very realistic to keep delivery date to client different then internal delivery timeline. If your resource is having hard time finishing this task in the time specified, keep some room to give him a day or two extra to accomplish his task. This does not upset client delivery and is the safe way of doing projects. Keep and Insightful Approach Identify potential problems before they delay your project. To be a great IT manager you have to be honest & diplomatic at the same time, it is essential for you to give earlier notice of potential delays or scope changes to your clients. In situation where delay is inevitable you should be in a position to provide immediate, on-demand status progress reports. Learning from past experiences if very important one must keep a track of actual time spent on all aspects of the projects, this will help you create better future estimates and timelines.

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  • A brief introduction to BRM and architecture

    - by Yani Miguel
    Oracle Communications Billing and Revenue Management (Oracle BRM) is the telcos industry´s leading solution intended for communications service providers. This post encourages to know BRM starting with the basics. History Portal was a billing and revenue managament solution to communications industry created by Portal Software. In 2006 Oracle acquired Portal Software and the solution was renamed BRM. Today Oracle BRM is the first end-to-end packaged enterprise software suite for the communications industry, however BRM is just one more product in the catalog of OSS solutions that Oracle offers. BRM can bill and manage all communications services including wireline, wireless, broadband, cable, voice over IP, IPTV, music, and video. BRM Architecture BRM´s architecture consists of 4 layers or tiers. Through these layers are the data, bussines logic and interfaces to connect graphical client tools.Application tier This layer provides GUI client tools enabling communication to other layers through open APIs. Some BRM client applications are: Customer Center Pricing Center Universal Event Loader Web Server BRM Billing Application Collections Center Permissioning Center Furthermore, this layer is where are provided real-time external events. Bussines Process Tier Although all layers are equally important, I think it deserves more atention because in this tier BRM functionality is implemented. All functions that give life to BRM are in this layer coded in C language called Opcodes (System Processes in the image). Any changes or additional functionality should be made here, so when we try to customize the product, we will most of the time programming in this layer (Business Policies in the image).Bussines Process Tier Features: Implements Portal system functionalityValidates data from the application tierModifies Portal behavior through business policies. Business policies can by customized.Triggers external systems using event notification. Object Tier This layer is responsible for transfer the BRM requests into database language and translate BRM requests into external system requests. Without it, the business logic (data from Bussines Process Tier) could not be understood by the relational database. Data tier Data tier is responsable for the storage of BRM database and other external systems databases. External systems include credit card, tax, and directory servers. Finally, It's important to note that BRM is designed to easily integrate with the following solutions:AIA 2.4 Siebel CRM E-Business Suite - G/L onlyCommunications Services Gatekeeper Oracle BI Publisher. Personally, I think that BRM could improve migrating client-server architecture to a fully web platform that works with Oracle Middleware like any product of the Fusion Middleware family. Hopefully there are already initiatives in this area.

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  • web application load / stress testing services

    - by Booji Boy
    Can you recommend reputable companies that offer help (consulting services, etc) in load testing (ASP.NET) web applications? We have a client looking to load test an ASP.NET application and we don't have any expertise in load testing web applications. The client is located in central Massachusetts. My employer http://www.goADNET.com was looking for an option besides, “I can figure out how to do it”.

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  • Non-English Character Display in Oracle SQL Developer

    - by thatjeffsmith
    I get a variation on this question at least once a week, if not more frequently. I’m from Israel, and the language on the databases is Hebrew. When I use the old and deprecated SQL*Plus (windows rich client) I can see the hebrew clearly, when I use the latest SQL Developer, I get gibberish. This question appears on the forums about every week or so as well. So what’s the deal? Well, it starts with a basic misunderstanding of NLS Client parameters. These should accurately reflect the language and locality setup on your LOCAL machine. DO NOT COPY what’s set in the database. The these parameters work together with the database so that information can be transferred back and forth correctly. Having the wrong NLS parameters locally can be bad. [ORACLE DOCS]Setting the NLS_LANG parameter properly is essential to proper data conversion. The character set that is specified by the NLS_LANG parameter should reflect the setting for the client operating system. Setting NLS_LANG correctly enables proper conversion from the client operating system character encoding to the database character set. When these settings are the same, Oracle Database assumes that the data being sent or received is encoded in the same character set as the database character set, so character set validation or conversion may not be performed. This can lead to corrupt data if conversions are necessary. OK, so what are you supposed to do? Set the Font! 9 times out of 10, this preference fixes the problem with display issues. Make sure you set a Font that supports the characters you’re trying to display. It’s as simple as that. This preference defines the font used to display characters in the editors and the data grids. If you have it set to a font that doesn’t have Hebrew character support – you’re not going to see Hebrew in SQL Developer. A few years ago…wow, like 15 years ago, I learned that the Tohama Font is pretty Unicode-friendly. Bad Font Selection A Font that’s not non-English friendly Good Font Selection Exact same text, except rendered with the Tahoma font Summary Having problems seeing non-English text in SQL Developer? Check the font! And do not start messing with NLS parameters without talking to your DBA first.

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  • What management/development practices do you change when a team of 1-3 developers grows to 10+?

    - by Mag20
    My team built a website for a client several years ago. The site taffic has been growing very quickly and our client has been asking us to grow our team to fill their maintenance and feature request needs. We started with a small number of developers, and our team has grown - now we're in the double digits. What management/development changes are the most beneficial when team grows from small "garage-size" team to 10+ developers?

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  • Contracting as a Software Developer in the UK

    - by Frez
    Normal 0 false false false EN-GB X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-fareast-language:EN-US;} Having had some 15 years’ experience of working as a software contractor, I am often asked by developers who work as permanent employees (permies) about the pros and cons of working as a software consultant through my own limited company and whether the move would be a good one for them. Whilst it is possible to contract using other financial vehicles such as umbrella companies, this article will only consider limited companies as that is what I have experience of using. Contracting or consultancy requires a different mind-set from being a permanent member of staff, and not all developers are capable of this shift in attitude. Whilst you can look forward to an increase in the money you take home, there are real risks and expenses you would not normally be exposed to as a permie. So let us have a look at the pros and cons: Pros: More money There is no doubt that whilst you are working on contracts you will earn significantly more than you would as a permanent employee. Furthermore, working through a limited company is more tax efficient. Less politics You really have no need to involve yourself in office politics. When the end of the day comes you can go home and not think or worry about the power struggles within the company you are contracted to. Your career progression is not tied to the company. Expenses from gross income All your expenses of trading as a business will come out of your company’s gross income, i.e. before tax. This covers travelling expenses provided you have not been at the same client/location for more than two years, internet subscriptions, professional subscriptions, software, hardware, accountancy services and so on. Cons: Work is more transient Contracts typically range from a couple of weeks to a year, although will most likely start at 3 months. However, most contracts are extended either because the project you have been brought in to help with takes longer to deliver than expected, the client decides they can use you on other aspects of the project, or the client decides they would like to use you on other projects. The temporary nature of the work means that you will have down-time between contracts while you secure new opportunities during which time your company will have no income. You may need to attend several interviews before securing a new contract. Accountancy expenses Your company is a separate entity and there are accountancy requirements which, unless you like paperwork, means your company will need to appoint an accountant to prepare your company’s accounts. It may also be worth purchasing some accountancy software, so talk to your accountant about this as they may prefer you to use a particular software package so they can integrate it with their systems. VAT You will need to register your company for VAT. This is tax neutral for you as the VAT you charge your clients you will pass onto the government less any VAT you are reclaiming from expenses, but it is additional paperwork to undertake each quarter. It is worth checking out the Fixed Rate VAT Scheme that is available, particularly after the initial expenses of setting up your company are over. No training Clients take you on based on your skills, not to train you when they will lose that investment at the end of the contract, so understand that it is unlikely you will receive any training funded by a client. However, learning new skills during a contract is possible and you may choose to accept a contract on a lower rate if this is guaranteed as it will help secure future contracts. No financial extras You will have no free pension, life, accident, sickness or medical insurance unless you choose to purchase them yourself. A financial advisor can give you all the necessary advice in this area, and it is worth taking seriously. A year after I started as a consultant I contracted a serious illness, this kept me off work for over two months, my client was very understanding and it could have been much worse, so it is worth considering what your options might be in the case of illness, death and retirement. Agencies Whilst it is possible to work directly for end clients there are pros and cons of working through an agency.  The main advantage is cash flow, you invoice the agency and they typically pay you within a week, whereas working directly for a client could have you waiting up to three months to be paid. The downside of working for agencies, especially in the current difficult times, is that they may go out of business and you then have difficulty getting the money you are owed. Tax investigation It is possible that the Inland Revenue may decide to investigate your company for compliance with tax law. Insurance is available to cover you for this. My personal recommendation would be to join the PCG as this insurance is included as a benefit of membership, Professional Indemnity Some agencies require that you are covered by professional indemnity insurance; this is a cost you would not incur as a permie. Travel Unless you live in an area that has an abundance of opportunities, such as central London, it is likely that you will be travelling further, longer and with more expense than if you were permanently employed at a local company. This not only affects you monetarily, but also your quality of life and the ability to keep fit and healthy. Obtaining finance If you want to secure a mortgage on a property it can be more difficult or expensive, especially if you do not have three years of audited accounts to show a mortgage lender.   Caveat This post is my personal opinion and should not be used as a definitive guide or recommendation to contracting and whether it is suitable for you as an individual, i.e. I accept no responsibility if you decide to take up contracting based on this post and you fare badly for whatever reason.

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  • Open Source AI Bot interfaces

    - by David Young
    What are some open source AI Bot interfaces? Similar to Pogamut 3 GameBots2004 for custom Unreal Tournament bots or Brood Wars API for Starcraft bots etc. If you could please post one AI bot interface per answer (make sure to provide a link) and give a brief summary as to the content of the blog posts. Please include what type of bot interface structure it is, client/server, server/server, etc e.g. BWAPI is client/server which emulates a real player

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  • How can I screen clients that try to register multiple times?

    - by Aba Dov
    My company offers a bonus to every client that register. We would like to prevent people from abusing this by registering several times. we thought about filtering clients by ip (there is a problem with workplaces where all stations have the same ip) cookies (if cookies are not allowed we might lose a client) I would like your opinions on these two methods and will be glad to hear about new ones. thanks

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