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  • How to deal with array of checkbox values in Ruby 1.9.1?

    - by Ola Tuvesson
    In Ruby 1.9.1 strings are no longer enumerable and string.each is undefined. This causes a problem when parsing values for an array of generated checkboxes since the field value, when submitted, becomes an array of strings. For example: <% for map in Map.find(:all) %> <%= check_box_tag "listing[map_ids][]", map.id %> <%= map.title %> <% end %> This will result in an error, undefined method `each' for "1":String, in process_parameter_filter because map_ids is being passed as "map_ids"=["1","2"] (if checkboxes with values 1 and 2 have been checked that is). What is the recommended way to fix this?

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  • ASP.NET MVC 2 strange behavior

    - by Voice
    Hi Recently I installed VS 2010 Release (migrated from RC) and my MVC application is not working anymore. More concrete: I have a wizard with several steps for new customer account creation (Jquery form wizard, but it doesn't really matter). Each step contains a typed partial View for each part of account: Company, Customer, Licence, etc. When I submit the form I see really strange thing in ModelState. There are duplicate keys for Company: with "Company" prefix and without it. Something like this: [6] "Company.Phone" string [12] "Phone" string My model state for all these keys is not valid because Company is actually null and validation fails. When it was RC there were no such keys with "Company" prefix. So these keys in ModelState with prefix "Company" appeared after I installed VS Release. Here is my code: Main View <div id="registerSteps"> <div id="firstStep" class="step"> <fieldset> <legend><%=Html.Encode(Register.CustomerInfo) %></legend> <% Html.RenderPartial("CustomerInfo", ViewData["newCust"]); %> </fieldset> </div> <div id="secondStep" class="step"> <fieldset> <legend><%=Html.Encode(Register.CompanyInfo) %></legend> <% Html.RenderPartial("CompanyInfo", ViewData["newComp"]); %> </fieldset> </div> <div id="thirdStep" class="step"> <fieldset> <legend><%=Html.Encode(Register.LicenceInfo) %></legend> <% Html.RenderPartial("LicenceInfo", ViewData["newLic"]); %> </fieldset> </div> <div id="lastStep" class="step"> <fieldset> <legend><%=Html.Encode(Register.PrivacyStatement) %></legend> <% Html.RenderPartial("PrivacyStatementInfo"); %> </fieldset> </div> <div id="registerNavigation"> <input class="navigation_button" value="Back" type="reset"/> <input class="navigation_button" value="Next" type="submit"/> </div> </div> Two partial views (to show that they are actually identical): Company: <div id="dCompanyInfo"> <div> <div> <%=Html.LocalizableLabelFor(company => company.Name, Register.CompanyName) %> </div> <div> <%=Html.TextBoxFor(company => company.Name) %> <%=Html.ValidationMessageFor(company => company.Name) %> </div> </div> <div> <div> <%=Html.LocalizableLabelFor(company => company.Phone, Register.Phone) %> </div> <div> <%=Html.TextBoxFor(company => company.Phone) %> <%=Html.ValidationMessageFor(company => company.Phone) %> </div> </div> <div> <div> <%=Html.LocalizableLabelFor(company => company.Fax, Register.Fax) %> </div> <div> <%=Html.TextBoxFor(company => company.Fax) %> <%=Html.ValidationMessageFor(company => company.Fax) %> </div> </div> <div> <div> <%=Html.LocalizableLabelFor(company => company.Size_ID, Register.CompanySize) %> </div> <div> <%=Html.ValueListDropDown(company => company.Size_ID, (CodeRoad.AQua.DomainModel.ValueList)ViewData["CompSize"], (string)ViewData["Culture"]) %> <%=Html.ValidationMessageFor(company => company.Size_ID) %> </div> </div> <div> <div> <%=Html.LocalizableLabelFor(company => company.Industry_ID, Register.Industry) %> </div> <div> <%=Html.ValueListDropDown(company => company.Industry_ID, (CodeRoad.AQua.DomainModel.ValueList)ViewData["Industry"], (string)ViewData["Culture"]) %> <%=Html.ValidationMessageFor(company => company.Industry_ID) %> </div> </div> </div> And for Customer <div id="dCustomerInfo"> <div> <div> <%=Html.LocalizableLabelFor(customer => customer.Email, Register.Email) %> </div> <div> <%=Html.TextBoxFor(customer => customer.Email) %> <%=Html.ValidationMessageFor(customer => customer.Email) %> </div> </div> <div> <div> <%=Html.LocalizableLabelFor(customer => customer.Male, Register.Gender) %> </div> <div> <%=Html.ListBoolEditor(customer => customer.Male, Register.Male, Register.Female, Register.GenderOptionLabel) %> <%=Html.ValidationMessageFor(customer => customer.Male) %> </div> </div> <div> <div> <%=Html.LocalizableLabelFor(customer => customer.FirstName, Register.FirstName) %> </div> <div> <%=Html.TextBoxFor(customer => customer.FirstName) %> <%=Html.ValidationMessageFor(customer => customer.FirstName) %> </div> </div> <div> <div> <%=Html.LocalizableLabelFor(customer => customer.LastName, Register.LastName) %> </div> <div> <%=Html.TextBoxFor(customer => customer.LastName) %> <%=Html.ValidationMessageFor(customer => customer.LastName) %> </div> </div> <div> <div> <%=Html.LocalizableLabelFor(customer => customer.Role_ID, Register.Role) %> </div> <div> <%=Html.ValueListDropDown(customer => customer.Role_ID, (CodeRoad.AQua.DomainModel.ValueList)ViewData["OrgRole"], (string)ViewData["Culture"]) %> <%=Html.ValidationMessageFor(customer => customer.Role_ID) %> </div> </div> </div> There are some home made extension methods, but they worked pretty well in previous version (VS RC). Html which is generated is also ok, no "Company.Phone"-like stuff. So I wonder, where all these keys with "Company" came from and what can I do with that? I appreciate any solution.

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  • Castle ActiveRecord - schema generation without enforcing referential integrity?

    - by Simon
    Hi all, I've just started playing with Castle active record as it seems like a gentle way into NHibernate. I really like the idea of the database schema being generate from my classes during development. I want to do something similar to the following: [ActiveRecord] public class Camera : ActiveRecordBase<Camera> { [PrimaryKey] public int CameraId {get; set;} [Property] public int CamKitId {get; set;} [Property] public string serialNo {get; set;} } [ActiveRecord] public class Tripod : ActiveRecordBase<Tripod> { [PrimaryKey] public int TripodId {get; set;} [Property] public int CamKitId {get; set;} [Property] public string serialNo {get; set;} } [ActiveRecord] public class CameraKit : ActiveRecordBase<CameraKit> { [PrimaryKey] public int CamKitId {get; set;} [Property] public string description {get; set;} [HasMany(Inverse=true, Table="Cameras", ColumnKey="CamKitId")] public IList<Camera> Cameras {get; set;} [HasMany(Inverse=true, Table="Tripods", ColumnKey="CamKitId")] public IList<Camera> Tripods {get; set;} } A camerakit should contain any number of tripods and cameras. Camera kits exist independently of cameras and tripods, but are sometimes related. The problem is, if I use createschema, this will put foreign key constraints on the Camera and Tripod tables. I don't want this, I want to be able to to set CamKitId to null on the tripod and camera tables to indicate that it is not part of a CameraKit. Is there a way to tell activerecord/nhibernate to still see it as related, without enforcing the integrity? I was thinking I could have a cameraKit record in there to indicate "no camera kit", but it seems like oeverkill. Or is my schema wrong? Am I doing something I shouldn't with an ORM? (I've not really used ORMs much) Thanks!

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  • NamedPipeClientStream StreamReader problem in C++

    - by Chris Porter
    When reading from a NamedPipes server using the .net NamedPipeClientStream class I can only get the data on the first read in C++, every time it's just an empty string. In c# it works every time. pipeClient = gcnew NamedPipeClientStream(".", "Server_OUT", PipeDirection::In); try { pipeClient->Connect(); } catch(TimeoutException^ e) { // swallow } StreamReader^ sr = gcnew StreamReader(pipeClient); String^ temp; while (temp = sr->ReadLine()) { // = sr->ReadLine(); Console::WriteLine("Received from server: {0}", temp); } sr->Close();

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  • Deserialize unnamed json array into an object in c#

    - by rksprst
    Wondering how to deserialize the following string in c#: "[{\"access_token\":\"thisistheaccesstoken\"}]" I know how to do it if the json was: "{array=[{\"access_token\":\"thisistheaccesstoken\"}]}" I'd do it like this: public class AccessToken { public string access_token {get;set;} public DateTime expires { get; set; } } public class TokenReturn { public List<AccessToken> tokens { get; set; } } JavaScriptSerializer ser = new JavaScriptSerializer(); TokenReturn result = ser.Deserialize<TokenReturn>(responseFromServer); But without that array name, I'm not sure. Any suggestions? Thanks!

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  • SQL Server won't perform regular expression validation on XML column

    - by Kirk Broadhurst
    Hi I have an XML column in my table which contains this xsd snippet: <xsd:element name="Postcode" minOccurs="0"> <xsd:simpleType> <xsd:restriction base="xsd:string"> <xsd:pattern value="^[0-9]{4}$" /> </xsd:restriction> </xsd:simpleType> </xsd:element> The regular expression should require a string containing 4 numerical digits. It validates perfectly in Visual Studio and is a correct regular expression. SQL Server, on the other hand, won't accept it. The error message I receive is: XML Validation: Invalid simple type value: '1234'. Location: / * : Donor[1]/*:Postcode[1]. I have an email address regex working fine, but can't get this simple numerical regex to work.

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  • can't persist jpa entity in app engine

    - by Bunny Rabbit
    public class Blobx { private String name; private BlobKey blobKey; @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Key id; //getters and setters } public class Userx { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Key id; private String name; @OneToMany private List<Blobx> blobs; //getters and setters } while persiting the above Userx entity object i am encountering java.lang.IllegalStateException: Field "entities.Userx.blobs" contains a persistable object that isnt persistent, but the field doesnt allow cascade-persist!

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  • ado.net managing connections

    - by madlan
    Hi, I'm populating a listview with a list of databases on a selected SQL instance, then retrieving a value from each database (It's internal product version, column doesn't always exist) I'm calling the below function to populate the second column of the listview: item.SubItems.Add(DBVersionCheck(serverName, database.Name)) Function DBVersionCheck(ByVal SelectedInstance As String, ByVal SelectedDatabase As String) Dim m_Connection As New SqlConnection("Server=" + SelectedInstance + ";User Id=sa;Password=password;Database=" + SelectedDatabase) Dim db_command As New SqlCommand("select Setting from SystemSettings where [Setting] = 'version'", m_Connection) Try m_Connection.Open() Return db_command.ExecuteScalar().trim m_Connection.Dispose() Catch ex As Exception 'MessageBox.Show(ex.Message) Return "NA" Finally m_Connection.Dispose() End Try End Function This works fine except it's creating a connection to each database and leaving it open. My understanding is the close()\dispose() releases only the connection from the pool in ado rather than the actual connection to sql. How would I close the actual connections after I've retrieved the value? Leaving these open will create hundreds of connections to databases that will probably not be used for that session.

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  • Need help debugging a PHP 5 SOAP hello world application

    - by WarDoGG
    I've been trying to get PHP 5 SOAP extension to work after reading every tutorial there is on the web, but to no avail. This has been very frustrating and i would really appreciate it if someone could point out where i am going wrong and why. Thanks for your help in advance, and any more details needed i'll oblige. The WSDL is as follows : <?xml version="1.0" encoding="utf-8"?> <wsdl:definitions name="test" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tm="http://microsoft.com/wsdl/mime/textMatching/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:tns="http://tempuri.org/" xmlns:s1="http://microsoft.com/wsdl/types/" xmlns:s="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" targetNamespace="http://tempuri.org/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"> <wsdl:types> <s:schema elementFormDefault="qualified" targetNamespace="http://tempuri.org/"> <s:import namespace="http://microsoft.com/wsdl/types/" /> <s:element name="getUser"> <s:complexType> <s:sequence> <s:element minOccurs="0" maxOccurs="1" name="username" type="s:string" /> <s:element minOccurs="0" maxOccurs="1" name="password" type="s:string" /> </s:sequence> </s:complexType> </s:element> <s:element name="getUserResponse"> <s:complexType> <s:sequence> <s:element minOccurs="0" maxOccurs="1" name="getUserResult" type="tns:bookUser" /> </s:sequence> </s:complexType> </s:element> <s:complexType name="bookUser"> <s:sequence> <s:element minOccurs="1" maxOccurs="1" name="ID" type="s:int" /> <s:element minOccurs="1" maxOccurs="1" name="GUID" type="s1:guid" /> <s:element minOccurs="0" maxOccurs="1" name="login" type="s:string" /> <s:element minOccurs="0" maxOccurs="1" name="pass" type="s:string" /> </s:sequence> </s:complexType> </s:schema> </wsdl:types> <wsdl:message name="getUserSoapIn"> <wsdl:part name="parameters" element="tns:getUser" /> </wsdl:message> <wsdl:message name="getUserSoapOut"> <wsdl:part name="parameters" element="tns:getUserResponse" /> </wsdl:message> <wsdl:portType name="test"> <wsdl:operation name="getUser"> <wsdl:input message="tns:getUserSoapIn" /> <wsdl:output message="tns:getUserSoapOut" /> </wsdl:operation> </wsdl:portType> <wsdl:binding name="testBinding" type="tns:test"> <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" /> <wsdl:operation name="getUser"> <soap:operation soapAction="http://tempuri.org/getUser" /> <wsdl:input> <soap:body use="literal" /> </wsdl:input> <wsdl:output> <soap:body use="literal" /> </wsdl:output> </wsdl:operation> </wsdl:binding> <wsdl:service name="testService"> <wsdl:port name="testPort" binding="tns:testBinding"> <soap:address location="http://127.0.0.1/index.php" /> </wsdl:port> </wsdl:service> </wsdl:definitions> The code for the server : <?php function getUser($param) { return array( 'bookUser'=>array ( 'ID'=>1, 'GUID'=>2, 'login'=>$param->username, 'pass'=>$param->password ) ); } ini_set("soap.wsdl_cache_enabled", "0"); // disabling WSDL cache $server = new SoapServer("http://127.0.0.1/1.wsdl"); $server->addFunction("getUser"); $server->handle(); ?> and the code for the client : $client = new SoapClient("http://127.0.0.1/index.php?wsdl", array('exceptions' => 0)); try { $arr_data = array ( array ( 'username'=>'xyz', 'password'=>'abc' ) ); print_r($client->__soapCall("getUser",$arr_data)); } catch (SoapFault $result) { print_r($result); }

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  • c# xml deserialize

    - by Moony
    I have xml wherein i have xml within it again, like: <?xml version=\"1.0\" encoding=\"UTF-8\"?> <Tag> <Value1> </Value1> <Value2><?xml version=\"1.0\" encoding=\"UTF-8\"?>... </Value2> </Tag> Deserializing doesnt work on this string in c#. I construct this string in java and send it to a c# app. how can i get around this?

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  • How do I access SourceGear Web services using SOAP::Lite?

    - by user565793
    For some reason SourceGear provide an undocumented Web service on their installations. They actually ask developers to use the API instead because the Web service is kinda messy, but this is a problem in my case because I cannot use this API on a Perl environment, so their solution for my specific case is to use the Web service. This shouldn't be a problem. Using SOAP::Lite I have connected to several Web services in the past in the same way. But the lack of documentation is a major chaos if you don't know where the SOAP calls can be made. I only have an XML to decipher where to and how to make these calls. It would be great if a real SOAP genius could help me out in this. This is an example of the login call and the expected response: Request POST /fortress/dragnetwebservice.asmx HTTP/1.1 Host: velecloudserver Content-Type: text/xml; charset=utf-8 Content-Length: length SOAPAction: "http://www.sourcegear.com/schemas/dragnet/LoginPlainText" <?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Body> <LoginPlainText xmlns="http://www.sourcegear.com/schemas/dragnet"> <strLogin>string</strLogin> <strPassword>string</strPassword> </LoginPlainText> </soap:Body> </soap:Envelope> Response HTTP/1.1 200 OK Content-Type: text/xml; charset=utf-8 Content-Length: length <?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Body> <LoginPlainTextResponse xmlns="http://www.sourcegear.com/schemas/dragnet"> <LoginPlainTextResult>int</LoginPlainTextResult> <strAuthTicket>string</strAuthTicket> </LoginPlainTextResponse> </soap:Body> </soap:Envelope> I'm looking for a way to be able to assemble this somehow. This is my Perl example: my $soap = SOAP::Lite -> uri ('http://velecloudserver/fortress/dragnetwebservice.asmx') -> proxy('http://velecloudserver/fortress/dragnetwebservice.asmx/LoginPlainText'); my $som = $soap->call('LoginPlainText', SOAP::Data->name('LoginPlainText')->value( \SOAP::Data->value([ SOAP::Data->name('strLogin')->value( 'admin' ), SOAP::Data->name('strPassword')->value('Adm1234'), ])) ); Any tip would be appreciated.

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  • Why would you want a case sensitive database?

    - by Khorkrak
    What are some reasons for choosing a case sensitive collation over a case insensitive one? I can see perhaps a modest performance gain for the DB engine in doing string comparisons. Is that it? If your data is set to all lower or uppercase then case sensitive could be reasonable but it's a disaster if you store mixed case data and then try to query it. You have then apply a lower() function on the column so that it'll match the corresponding lower case string literal. This prevents index usage in every dbms. So wondering why anyone would use such an option.

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  • Solved::MessageQueue.BeginReceive() null ref error - c#

    - by ltech
    Have a windows service that listens to a msmq. In the OnStart method is have this protected override void OnStart(string[] args) { try { _queue = new MessageQueue(_qPath);//this part works as i had logging before and afer this call //Add MSMQ Event _queue.ReceiveCompleted += new ReceiveCompletedEventHandler(queue_ReceiveCompleted);//this part works as i had logging before and afer this call _queue.BeginReceive();//This is where it is failing - get a null reference exception } catch(Exception ex) { EventLogger.LogEvent(EventSource, EventLogType, "OnStart" + _lineFeed + ex.InnerException.ToString() + _lineFeed + ex.Message.ToString()); } } where private MessageQueue _queue = null; This works on my machine but when deployed to a windows 2003 server and running as Network service account, it fails Exception recvd: Service cannot be started. System.NullReferenceException: Object reference not set to an instance of an object. at MYService.Service.OnStart(String[] args) at System.ServiceProcess.ServiceBase.ServiceQueuedMainCallback(Object state) Solved: Turned out that the Q that i set up, I had to explicitly add Network Service account to it under security tab

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  • Redirect and parse in realtime stdout of an long running process in vb.net

    - by Richard
    Hello there, This code executes "handbrakecli" (a command line application) and places the output into a string: Dim p As Process = New Process p.StartInfo.FileName = "handbrakecli" p.StartInfo.Arguments = "-i [source] -o [destination]" p.StartInfo.UseShellExecute = False p.StartInfo.RedirectStandardOutput = True p.Start Dim output As String = p.StandardOutput.ReadToEnd p.WaitForExit The problem is that this can take up to 20 minutes to complete during which nothing will be reported back to the user. Once it's completed, they'll see all the output from the application which includes progress details. Not very useful. Therefore I'm trying to find a sample that shows the best way to: Start an external application (hidden) Monitor its output periodically as it displays information about it's progress (so I can extract this and present a nice percentage bar to the user) Determine when the external application has finished (so I can't continue with my own applications execution) Kill the external application if necessary and detect when this has happened (so that if the user hits "cancel", I get take the appropriate steps) Does anyone have any recommended code snippets?

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  • Inherited properties aren't bound during databinding

    - by Josh
    I have two interfaces, IAuditable and ITransaction. public interface IAuditable{ DateTime CreatedOn { get; } string CreatedBy { get; } } public interface ITransaction : IAuditable { double Amount{ get; } } And a class that implements ITransaction, call Transaction. public class Transaction : ITransaction{ public DateTime CreatedOn { get { return DateTime.Now; } } public string CreatedBy { get { return "aspnet"; } } public doubl Amount { get { return 0; } } } When I bind a list of ITransactions to a datagrid and use auto create columns, only the Amount gets bound. The CreatedBy and CreatedOn are not seen. Is there a way I can get these values visible during databinding?

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  • removing diffgram from .net web service returning dataset

    - by FrenchiInLa
    per my client request I have been requested to return a dataset. basically it's an arraylist that i convert to dataset as follow DataSet ds = new DataSet(); DataTable tbl = new DataTable("Table"); DataRow drow; tbl.Columns.Add("ID", Type.GetType("System.String")); tbl.Columns.Add("Name", Type.GetType("System.String")); foreach (NameIDPair item in AL) { drow = tbl.NewRow(); drow["ID"] = item.ID; drow["Name"] = item.Name; tbl.Rows.Add(drow); } ds.Tables.Add(tbl); the problem with my client is this web service add a diffgram like diffgr:hasChanges="iserted" tag to each row, and they're pretending is not consistent with other web services used by them. How can I remove this tag in the XML returned? Any help would be greatly appreciated. Thanks

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  • Creating a simple templated control. Having issues...

    - by Jimock
    Hi, I'm trying to create a really simple templated control. I've never done it before, but I know a lot of my controls I have created in the past would have greatly benefited if I included templating ability - so I'm learning now. The problem I have is that my template is outputted on the page but my property value is not. So all I get is the static text which I include in my template. I must be doing something correctly because the control doesn't cause any errors, so it knows my public property exists. (e.g. if I try to use Container.ThisDoesntExist it throws an exception). I'd appreciate some help on this. I may be just being a complete muppet and missing something. Online tutorials on simple templated server controls seem few and far between, so if you know of one I'd like to know about it. A cut down version of my code is below. Many Thanks, James Here is my code for the control: [ParseChildren(true)] public class TemplatedControl : Control, INamingContainer { private TemplatedControlContainer theContainer; [TemplateContainer(typeof(TemplatedControlContainer)), PersistenceMode(PersistenceMode.InnerProperty)] public ITemplate ItemTemplate { get; set; } protected override void CreateChildControls() { Controls.Clear(); theContainer = new TemplatedControlContainer("Hello World"); this.ItemTemplate.InstantiateIn(theContainer); Controls.Add(theContainer); } } Here is my code for the container: [ToolboxItem(false)] public class TemplatedControlContainer : Control, INamingContainer { private string myString; public string MyString { get { return myString; } } internal TemplatedControlContainer(string mystr) { this.myString = mystr; } } Here is my mark up: <my:TemplatedControl runat="server"> <ItemTemplate> <div style="background-color: Black; color: White;"> Text Here: <%# Container.MyString %> </div> </ItemTemplate> </my:TemplatedControl>

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  • what is the right way to exit Windoes Service OnStart if configuration is wrong and nothing to do in

    - by matti
    Is something like this ok? protected override void OnStart(string[] args) { if (SomeApp.Initialize()) { SomeApp.StartMonitorAndWork(); base.OnStart(args); } } protected override void OnStop() { SomeApp.TearDown(); base.OnStop(); } Here Initialize reads a config file and if it's wrong there's nothing to do so service should STOP! If config is ok StartMonitorAndWork starts: Timer(new TimerCallback(DoWork), null, startTime, loopTime); and DoWork polls database periodically. The question is: "Is exiting OnStart without doing nothing enough if Initialize returns false? OR should there be something like this: private void ExitService() { this.OnStop(); System.Environment.Exit(1); } protected override void OnStart(string[] args) { if (ObjectFolderApp.Initialize()) { SomeApp.StartMonitorAndWork(); base.OnStart(args); } else { ExitService(); } } Thanks & BR - Matti

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  • Entity Framework connection metadata extraction

    - by James
    Hi, I am using the EntityFramework POCO adapter and since there are limitations to what microsoft gives access to with regards to the meta data, i am manually extracting the information i need out of the xml. The only problem is i want to get the ssdl, msl, csdl file names to load without having to directly check for the connection string node in app.config. In short where in the ObjectContext/EntityConnection can i get access to these file names? Worst case scenario i need to get the connection name from the EntityConnection object then load this from app.config and parse the string itself and extract the filenames myself. (But i obviously don't want to do that). Thanks

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  • How to improve my LDAP schema?

    - by asmaier
    Hello, I have a OpenLDAP Database and it holds some project objects that look like dn: cn=Proj1,ou=Project,ou=ua,dc=org cn: Proj1 objectClass: top objectClass: posixGroup member: 001ag member: 002ag System: ABEL System: PCx Budget: ABEL:1000000:0.3 Budget: PCx:300000:0.3 One can see that the Budget attribute is a ":"-separated string, where the first part holds the name of the system the budget is for, the second part holds some budget (which may change every month) and the last entry is a conversion factor for the budget of that system. Seeing this, I thought this is bad database design, since attribute values should always be atomic. But how can I improve that in LDAP, so that I can do a direct ldapsearch or a direct ldapmodify of the budget of System "ABEL" instead of writing a script, that will have to parse and split the ":"-separated string?

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  • design for a wrapper around command-line utilities

    - by hatchetman82
    im trying to come up with a design for a wrapper for use when invoking command line utilities in java. the trouble with runtime.exec() is that you need to keep reading from the process' out and err streams or it hangs when it fills its buffers. this has led me to the following design: public class CommandLineInterface { private final Thread stdOutThread; private final Thread stdErrThread; private final OutputStreamWriter stdin; private final History history; public CommandLineInterface(String command) throws IOException { this.history = new History(); this.history.addEntry(new HistoryEntry(EntryTypeEnum.INPUT, command)); Process process = Runtime.getRuntime().exec(command); stdin = new OutputStreamWriter(process.getOutputStream()); stdOutThread = new Thread(new Leech(process.getInputStream(), history, EntryTypeEnum.OUTPUT)); stdOutThread.setDaemon(true); stdOutThread.start(); stdErrThread = new Thread(new Leech(process.getErrorStream(), history, EntryTypeEnum.ERROR)); stdErrThread.setDaemon(true); stdErrThread.start(); } public void write(String input) throws IOException { this.history.addEntry(new HistoryEntry(EntryTypeEnum.INPUT, input)); stdin.write(input); stdin.write("\n"); stdin.flush(); } } public class Leech implements Runnable{ private final InputStream stream; private final History history; private final EntryTypeEnum type; private volatile boolean alive = true; public Leech(InputStream stream, History history, EntryTypeEnum type) { this.stream = stream; this.history = history; this.type = type; } public void run() { BufferedReader reader = new BufferedReader(new InputStreamReader(stream)); String line; try { while(alive) { line = reader.readLine(); if (line==null) break; history.addEntry(new HistoryEntry(type, line)); } } catch (Exception e) { e.printStackTrace(); } } } my issue is with the Leech class (used to "leech" the process' out and err streams and feed them into history - which acts like a log file) - on the one hand reading whole lines is nice and easy (and what im currently doing), but it means i miss the last line (usually the prompt line). i only see the prompt line when executing the next command (because there's no line break until that point). on the other hand, if i read characters myself, how can i tell when the process is "done" ? (either complete or waiting for input) has anyone tried something like waiting 100 millis since the last output from the process and declaring it "done" ? any better ideas on how i can implement a nice wrapper around things like runtime.exec("cmd.exe") ?

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