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  • Designing Web Service Using Ruby on Rails - Mapping ActiveRecord Models

    - by michaeldelorenzo
    I've put together a RoR application and would now like to publish a RESTful web service for interacting with my application. I'm not sure where to go exactly, I don't want to simply expose my ActiveRecord models since there is some data on each model that isn't needed or shouldn't be exposed via an API like this. I also don't want to create a SOAP solution. My application is built using Rails 2.3.5 and I hope to move to Rails 3.0 soon after its released. I'm basically looking for a way to map my ActiveRecord models to "models" that would be exposed via the web service. Is ActiveResource the correct thing to use? What about ActionWebService?

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  • how to get the table primary key after saving an item via AdoNetServiceProxy

    - by Jronny
    I have a js proxy class: function ProxyClass() { this.Properties = null; this.Insert = function () { try { var service = new Sys.Data.AdoNetServiceProxy("/WcfDataService1.svc"); service.insert(this, "TheTable"); } catch (ex) { alert("error: " + ex); } }; } The insert has been working, but I need to get the primary key of TheTable right after. How could we be able to pull it up? Thanks a lot

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  • light weight alternative to sopui

    - by opensas
    I'm developing a soap web service and I'm using soapui to test it I just need to read the wsdl file and generate a request and see the results... that's all I was wondering if there's a lighter alternative to soapui thanks a lot saludos sas

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  • WCF contracts - namespaces and SerializationExceptions

    - by qntmfred
    I am using a third party web service that offers the following calls and responses http://api.athirdparty.com/rest/foo?apikey=1234 <response> <foo>this is a foo</foo> </response> and http://api.athirdparty.com/rest/bar?apikey=1234 <response> <bar>this is a bar</bar> </response> This is the contract and supporting types I wrote [ServiceContract] [XmlSerializerFormat] public interface IFooBarService { [OperationContract] [WebGet( BodyStyle = WebMessageBodyStyle.Bare, ResponseFormat = WebMessageFormat.Xml, UriTemplate = "foo?key={apikey}")] FooResponse GetFoo(string apikey); [OperationContract] [WebGet( BodyStyle = WebMessageBodyStyle.Bare, ResponseFormat = WebMessageFormat.Xml, UriTemplate = "bar?key={apikey}")] BarResponse GetBar(string apikey); } [XmlRoot("response")] public class FooResponse { [XmlElement("foo")] public string Foo { get; set; } } [XmlRoot("response")] public class BarResponse { [XmlElement("bar")] public string Bar { get; set; } } and then my client looks like this static void Main(string[] args) { using (WebChannelFactory<IFooBarService> cf = new WebChannelFactory<IFooBarService>("thirdparty")) { var channel = cf.CreateChannel(); FooResponse result = channel.GetFoo("1234"); } } When I run this I get the following exception Unable to deserialize XML body with root name 'response' and root namespace '' (for operation 'GetFoo' and contract ('IFooBarService', 'http://tempuri.org/')) using XmlSerializer. Ensure that the type corresponding to the XML is added to the known types collection of the service. If I comment out the GetBar operation from IFooBarService, it works fine. I know I'm missing an important concept here - just don't know quite what to look for. What is the proper way to construct my contract types, so that they can be properly deserialized?

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  • Http 404: Not Found (WebException)

    - by Rajeev
    Hi, I am using a console app/class library to invoke a asp.net web service. The class library queries the database and sends the data to the web service. What I notice is that when the amount of data is huge (with 20 columns and 18K records), i get a HTTP 404: Not Found exception from the web service. I have tried increasing the maxReqeustLength and executionTimeout properties in the httpRuntime tag in the web.config of the web service. Is there any thing that I can do to overcome this? Thanks, Rajeev

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  • What is the best folder stucture in TFS for reporting service projects

    - by Dave
    Hi, I'm looking for some help on deciding a useful folder stucture strategy for reporting service projects in TFS. Does any one have some suggestions on which way I should stucture TFS? Should it be a project per report or should it be one Reporting project with multiple folders under the main that contain all the report projects? i.e. Senario 1 (separate projects for each report project) $ReportProject1 $ReportProject2 $ReportProject3 Senario 2 (Main report project in TFS and subfolders with report projects) $ReportingServices ------Src ---------Project1 -----------ReportProject1 files ---------Project2 -----------ReportProject2 files ---------Project3 -----------ReportProject3 files

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  • Unable to cast object of type MyObject to type MyObject

    - by Robert W
    I have this scenario where a webservice method I'm consuming in C# returns a Business object, when calling the webservice method with the following code I get the exception "Unable to cast object of type ContactInfo to type ContactInfo" in the reference.cs class of the web reference Code: ContactInfo contactInfo = new ContactInfo(); Contact contact = new Contact(); contactInfo = contact.Load(this.ContactID.Value); Any help would be much appreciated.

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  • How do you debug a windows service that is being installed?

    - by Mike Pateras
    I know how to attach a debugger to a windows service, but I can't seem to get attached to one that's being installed and started by a windows installer. I've tried: Setting a Thread.Sleep(TimeSpan.FromSeconds(30)); at the beginning of the on-start, but when I try to attach in Visual Studio, the name of the service does not appear as an option. This normally works, the service's name shows up in the list, but when using the installer it does not. Setting a Debugger.Break and Debugger.Launch. Neither really do anything. What can I do to debug my service?

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  • How to invite Beta Testers to test an application

    - by Sunil Kumar Sahoo
    I have created a Text Messaging product which will be free. But I want Beta Testers for that product. This product can be deployed on Windows, Mac and Linux platforms How to invite Beta Testers to test my application. Also I want to know how to invite linux, Mac, StackOverFlow and other community guys to beta test my product. Thanks Sunil Kumar Sahoo

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  • What privileges do I need?

    - by IAbstract
    I have a Windows service that isn't writing to the Application Event log under UserAccount. When the service is set to use AdminAccount, the Security log reports the following attributes: Under UserAccount, the only privilege reported is SeImpersonatePrivilege. Is there a security impersonation that I can implement to give the UserAccount the ability to write to the Application Event log? I would prefer to use the UserAccount for this service rather than the AdminAccount.

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  • What is your workflow when designing HTML/CSS layouts?

    - by DMin
    I have been working with PHP/MySQL as a hobby for close to a couple of years now, I have been working with photoshop for a very long time, I know CSS & HTML well enough to write without any reference, so, I would not consider myself someone who's very new at this. I have recently started developing websites professionally - (only person working on the project). I have seen the power of Joomla and how you can make a website ready for your customer in a matter of hours(if not minutes). I find it very hard to make layouts that remotely look like the themes on joomla. I find making even simple layouts a very cumbersome process and takes a lot of time to get a good enough output. I have a feeling I may not be using the right tools or workflow for the job. What I wanted to findout was, as part of the industry : How do, you, make your website when you do it from scratch? What are the tools that you use? What is your workflow? Just noted a few things I know already, for your reference(You can skip this if you like) I have seen the export for web for Photoshop that exports CSS - but (as far as I know) exports only absolutely positioned webpages so they need to be beaten and fixed if you want to use them for example for joomla. I have used the SiteGrinder plugin for Photoshop that exports HTML/CSS. It looks promising but haven't tried it extensively. One of the tools that save loads of time is FireBug. This makes it easy to edit html and css on the fly and get the page looking exactly as you want it. Recently stumbled upon fireworks. But haven't explored it much. Thanks! :)

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  • REST API error return good practices

    - by Remus Rusanu
    I'm looking for guidance on good practices when it comes to return errors from a REST API. I'm working on a new API so I can take it any direction right now. My content type is XML at the moment, but I plan to support JSON in future. I am now adding some error cases, like for instance a client attempts to add a new resource but has exceeded his storage quota. I am already handling certain error cases with HTTP status codes (401 for authentication, 403 for authorization and 404 for plain bad request URIs). I looked over the blessed HTTP error codes but none of the 400-417 range seems right to report application specific errors. So at first I was tempted to return my application error with 200 OK and a specific XML payload (ie. Pay us more and you'll get the storage you need!) but I stopped to think about it and it seems to soapy (/shrug in horror). Besides it feels like I'm splitting the error responses into distinct cases, as some are http status code driven and other are content driven. So what is the SO crowd recommendation? Good practices (please explain why!) and also, from a client pov, what kind of error handling in the REST API makes life easier for the client code?

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  • Good Name for a Music Player (like Spotify)

    - by LnDCobra
    I can't think of anywhere else to ask therefore I thought asking here would be the ideal place. Reason I'm asking is because for my Dissertation in my report I pretty much got told my name sucks. I ain't going to argue as its just "My Music Player" so any suggestions would be highly appreciated! I know it's pretty subjective but ANY help would be appreciated! I am not of the creative types of people :(

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  • Is the WCF REST Starter Kit still current?

    - by jonhobbs
    I've been researching the possibility of building a REST service in .net and came across the WCF REST Starter Kit. It looks useful but the latest preview release came out over a year ago and there doesn't seem to be a production release. Does that mean it's not being worked on by MS any more? Has it been superseded by something better?

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  • Client no longer getting data from Web Service after introducing targetNamespace in XSD

    - by Laurence
    Sorry if there is way too much info in this post – there’s a load of story before I get to the actual problem. I thought I‘d include everything that might be relevant as I don’t have much clue what is wrong. I had a working web service and client (both written with VS 2008 in C#) for passing product data to an e-commerce site. The XSD started like this: <xs:schema id="Ecommerce" elementFormDefault="qualified" xmlns:mstns="http://tempuri.org/Ecommerce.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="eur"> <xs:complexType> <xs:sequence> <xs:element ref="sec" minOccurs="1" maxOccurs="1"/> </xs:sequence> etc Here’s a sample document sent from client to service: <eur xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="ECommerce_WebService" type="product" method="GetLastDateSent" chunk_no="1" total_chunks="1" date_stamp="2010-03-10T17:16:34.523" version="1.1"> <sec guid="BFBACB3C-4C17-4786-ACCF-96BFDBF32DA5" company_name="Company" version="1.1"> <data /> </sec> </eur> Then, I had to give the service a targetNamespace. Actually I don’t know if I “had” to set it, but I added (to the same VS project) some code to act as a client to a completely unrelated service (which also had no namespace), and the project would not build until I gave my service a namespace. Now the XSD starts like this: <xs:schema id="Ecommerce" elementFormDefault="qualified" xmlns:mstns="http://tempuri.org/Ecommerce.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.company.com/ecommerce" xmlns:ecom="http://www. company.com/ecommerce"> <xs:element name="eur"> <xs:complexType> <xs:sequence> <xs:element ref="ecom:sec" minOccurs="1" maxOccurs="1" /> </xs:sequence> etc As you can see above I also updated all the xs:element ref attributes to give them the “ecom” prefix. Now the project builds again. I found the client needed some modification after this. The client uses a SQL stored procedure to generate the XML. This is then de-serialised into an object of the correct type for the service’s “get_data” method. The object’s type used to be “eur” but after updating the web reference to the service, it became “get_dataEur”. And sure enough the parent element in the XML had to be changed to “get_dataEur” to be accepted. Then bizarrely I also had to put the xmlns attribute containing my namespace on the “sec” element (the immediate child of the parent element) rather than the parent element. Here’s a sample document now sent from client to service: <get_dataEur xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="ECommerce_WebService" type="product" method="GetLastDateSent" chunk_no="1" total_chunks="1" date_stamp="2010-03-10T18:23:20.653" version="1.1"> <sec xmlns="http://www.company.com/ecommerce" guid="BFBACB3C-4C17-4786-ACCF-96BFDBF32DA5" company_name="Company" version="1.1"> <data /> </sec> </get_dataEur> If in the service’s get_data method I then serialize the incoming object I see this (the parent element is “eur” and the xmlns attribute is on the parent element): <eur xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://www.company.com/ecommerce" class="ECommerce_WebService" type="product" method="GetLastDateSent" chunk_no="1" total_chunks="1" date_stamp="2010-03-10T18:23:20.653" version="1.1"> <sec guid="BFBACB3C-4C17-4786-ACCF-96BFDBF32DA5" company_name="Company" version="1.1"> <data /> </sec> </eur> The service then prepares a reply to go back to the client. The XML looks like this (the important data being sent back is the date_stamp attribute in the last_sent element): <eur xmlns="http://www.company.com/ecommerce" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="ECommerce_WebService" type="product" method="GetLastDateSent" chunk_no="1" total_chunks="1" date_stamp="2010-03-10T18:22:57.530" version="1.1"> <sec version="1.1" xmlns=""> <data> <last_sent date_stamp="2010-02-25T15:15:10.193" /> </data> </sec> </eur> Now finally, here’s the problem!!! The client does not see any data – all it sees is the parent element with nothing inside it. If I serialize the reply object in the client code it looks like this: <get_dataResponseEur xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" class="ECommerce_WebService" type="product" method="GetLastDateSent" chunk_no="1" total_chunks="1" date_stamp="2010-03-10T18:22:57.53" version="1.1" /> So, my questions are: why isn’t my client seeing the contents of the reply document? how do I fix it? why do I have to put the xmlns attribute on a child element rather than the parent element in the outgoing document? Here’s a bit more possibly relevant info: The client code (pre-namespace) called the service method like this: XmlSerializer serializer = new XmlSerializer(typeof(eur)); XmlReader reader = xml.CreateReader(); eur eur = (eur)serializer.Deserialize(reader); service.Credentials = new NetworkCredential(login, pwd); service.Url = url; rc = service.get_data(ref eur); After the namespace was added I had to change it to this: XmlSerializer serializer = new XmlSerializer(typeof(get_dataEur)); XmlReader reader = xml.CreateReader(); get_dataEur eur = (get_dataEur)serializer.Deserialize(reader); get_dataResponseEur eur1 = new get_dataResponseEur(); service.Credentials = new NetworkCredential(login, pwd); service.Url = url; rc = service.get_data(eur, out eur1);

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  • WinMo > ASMX WebException - how to get details?

    - by eidylon
    Okay, we've got an application which consists of a website hosting several ASMX webservices, and a handheld application running on WinMo 6.1 which calls the webservices. Been developing in the office, everything works perfect. Now we've gone to install it at the client's and we got all the servers set up and the handhelds installed. However the handhelds are now no longer able to connect to the webservice. I added in extra code in my error handler to specifically trap WebException exceptions and handle them differently in the logging to put out extra information (.Status and .Response). I am getting out the status, which is returning a [7], or ProtocolError. However when I try to read out the ResponseStream (using WebException.Response.GetResponseStream), it is returning a stream with CanRead set to False, and I thus am unable to get any further details of what is going wrong. So I guess there are two things I am asking for help with... a) Any help with trying to get more information out of the WebException? b) What could be causing a ProtocolError exception? Things get extra complicated by the fact that the client has a full-blown log-in-enabled proxy setup going on-site. This was stopping all access to the website initially, even from a browser. So we entered in the login details in the network connection for HTTP on the WinMo device. Now it can get to websites fine. In fact, I can even pull up the webservice fine and call the methods from the browser (PocketIE). So I know the device is able to see the webservices okay via HTTP. But when trying to call them from the .NET app, it throws ProtocolError [7]. Here is my code which is logging the exception and failing to read out the Response from the WebException. Public Sub LogEx(ByVal ex As Exception) Try Dim fn As String = Path.Combine(ini.CorePath, "error.log") Dim t = File.AppendText(fn) t.AutoFlush = True t.WriteLine(<s>===== <%= Format(GetDateTime(), "MM/dd/yyyy HH:mm:ss") %> =====<%= vbCrLf %><%= ex.Message %></s>.Value) t.WriteLine() t.WriteLine(ex.ToString) t.WriteLine() If TypeOf ex Is WebException Then With CType(ex, WebException) t.WriteLine("STATUS: " & .Status.ToString & " (" & Val(.Status) & ")") t.WriteLine("RESPONSE:" & vbCrLf & StreamToString(.Response.GetResponseStream())) End With End If t.WriteLine("=".Repeat(50)) t.WriteLine() t.Close() Catch ix As Exception : Alert(ix) : End Try End Sub Private Function StreamToString(ByVal s As IO.Stream) As String If s Is Nothing Then Return "No response found." // THIS IS THE CASE BEING EXECUTED If Not s.CanRead Then Return "Unreadable response found." Dim rv As String = String.Empty, bytes As Long, buffer(4096) As Byte Using mem As New MemoryStream() Do While True bytes = s.Read(buffer, 0, buffer.Length) mem.Write(buffer, 0, bytes) If bytes = 0 Then Exit Do Loop mem.Position = 0 ReDim buffer(mem.Length) mem.Read(buffer, 0, mem.Length) mem.Seek(0, SeekOrigin.Begin) rv = New StreamReader(mem).ReadToEnd() mem.Close() End Using Return rv.NullOf("Empty response found.") End Function Thanks in advance!

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  • SQL Express under IIS 7.5

    - by fampinheiro
    I´m developing a web service that access a SQL Express database, it works very well in the Visual Studio host but when i deploy it to IIS 7.5 i get this exception. Please help me. Stack Trace: System.Data.EntityException: The underlying provider failed on Open. ---> System.Data.SqlClient.SqlException: Failed to generate a user instance of SQL Server due to failure in retrieving the user's local application data path. Please make sure the user has a local user profile on the computer. The connection will be closed. at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open() at System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) --- End of inner exception stack trace --- at System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) at System.Data.EntityClient.EntityConnection.Open() at System.Data.Objects.ObjectContext.EnsureConnection() at System.Data.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) at System.Data.Objects.ObjectQuery`1.System.Collections.Generic.IEnumerable<T>.GetEnumerator() at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source) at WSCinema.CinemaService.Movie() in D:\Documents\My Dropbox\Projects\sd.v0910\trab3\code\WSCinema\CinemaService.asmx.cs:line 46

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  • How do I print an HTML document from a web service?

    - by Chris Marasti-Georg
    I want to print HTML from a C# web service. The Web Browser control is overkill, and does not function well in a service-environment, nor does it function well on a system with very tight security constraints. Is there any sort of free .NET library that will support the printing of a basic HTML page? Here is the code I have so far, that is not running properly. public void PrintThing(string document) { if (Thread.CurrentThread.GetApartmentState() != ApartmentState.STA) { Thread thread = new Thread((ThreadStart) delegate { PrintDocument(document); }); thread.SetApartmentState(ApartmentState.STA); thread.Start(); } else { PrintDocument(document); } } protected void PrintDocument(string document) { WebBrowser browser = new WebBrowser(); browser.DocumentText = document; while (browser.ReadyState != WebBrowserReadyState.Complete) { Application.DoEvents(); } browser.Print(); } This works fine when called from UI-type threads, but nothing happens when called from a service-type thread. Changing Print() to ShowPrintPreviewDialog() yields the following IE script error: Error: 'dialogArguments.___IE_PrintType' is null or not an object URL: res://ieframe.dll/preview.dlg And a small empty print preview dialog appears.

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  • How to prevent multiple access to a webpage?

    - by Kugel
    Say I have a web service where I want to serve the content only once. After it is served any other access to that url should generate an error message. How would I go about doing something like this? What if 2 clients access the url in the same exact moment?

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  • What Source Code License to use for your project?

    - by Andreas Grech
    I am starting this question to try and make a central point developers can use to choose what Source Code License to use for their projects. What I am looking for out of this question are the following for the Licenses: A short description of the License What type of projects should this License be used for Examples of existing projects that use this License Some of the Licenses that I have in mind are the following: Apache License 2.0 Artistic License/GPL Eclipse Public License 1.0 GNU General Public License v2 GNU General Public License v3 GNU Lesser General Public License MIT License Mozilla Public License 1.1 New BSD License

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  • How to get contents of Amazon shopping cart?

    - by Andrew Whitehouse
    I've been investigating whether it's possible to get a list of the saved items in my Amazon shopping basket programmatically ... Their Product Advertising API has methods for getting wishlists: http://docs.amazonwebservices.com/AWSECommerceService/latest/DG/index.html?FindingItemsonLists.html and working with remote shopping carts: http://docs.amazonwebservices.com/AWSECommerceService/latest/DG/index.html?CHAP_WorkingWithRemoteShoppingCarts.html but the shopping cart of items stored while on the Amazon web site is treated as a local shopping cart, and therefore is not accessible through the Product Advertising API. According to the last link: The opposite of a remote shopping cart is a local shopping cart, which is the shopping cart customers use while shopping on www.amazon.com. It is considered local because Amazon hosts the shopping web pages as well as the shopping cart. Product Advertising API operations work solely with remote shopping carts. Has anyone found a way of getting the contents of the "local" cart, apart from scraping the HTML? Thanks.

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