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  • ASP.NET MVC ajax - data transfer

    - by Grienders
    How can I get result from action? I need to show the commentID on the page (aspx) after successes comment insert. controller [AcceptVerbs(HttpVerbs.Post )] public ActionResult ShowArticleByAjax(Guid id, string commentBody) { Guid commentID = Comment.InsertComment(id, commentBody); //How can I tranfer commentID to the aspx page ??? return PartialView("CommentDetails",Article.GetArticleByID(id)); } ascx <%using (Ajax.BeginForm("ShowArticleByAjax", new { id = Model.ID }, new AjaxOptions { HttpMethod = "Post", UpdateTargetId = "divCommentDetails", OnSuccess = "successAddComment", OnFailure = "failureAddComment", OnBegin = "beginAddComment" })) { %> <p> <%=Html.TextArea("commentBody", new { cols = "100%", rows = "10" })%> </p> <p> <input name="submit" type="image" src="../../Content/Images/Design/button_s.gif" id="submit" /> </p> <%} %> aspx doesn't matter

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  • Noise Estimation / Noise Measurement in Image

    - by Drazick
    Hello. I want to estimate the noise in an image. Let's assume the model of an Image + White Noise. Now I want to estimate the Noise Variance. My method is to calculate the Local Variance (3*3 up to 21*21 Blocks) of the image and then find areas where the Local Variance is fairly constant (By calculating the Local Variance of the Local Variance Matrix). I assume those areas are "Flat" hence the Variance is almost "Pure" noise. Yet I don't get constant results. Is there a better way? Thanks.

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  • Rails migration to add boolean column to Postgres on Heroku

    - by pmc255
    I'm trying to execute a simple Rails migration to add a boolean column to an existing table. Here's the add_column call: add_column :users, :soliciting, :boolean, :null => false, :default => false However, after the migration runs (successfully, with no errors), I don't see the new column. If I go into the console and list the columns on the User table, for example, with this command: >> User.columns.each { |c| puts "#{c.name} : #{c.type}" } All the other columns show up, but not the one I just added with the migration. What's even more strange is that looking up a random user object yields the Postgres version of booleans (Ruby strings) >> User.find(1).soliciting => "t" However, the existing boolean columns all show up with standard Ruby boolean values of true and false. What's going on here? Is the migration actually complete? Why doesn't the column show up, yet is accessible in the model objects?

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  • Cake bake undefined function mysql_query on easyphp

    - by fabbrillo
    Hi, when i try to use the shell to build models cake bake M i get this error: Fatal error: Call to undefined function mysql_query() in C:\Program Files\EasyPH P-5.3.2\www\cake\cake\libs\model\datasources\dbo\dbo_mysql.php on line 588 on phpinfo(); mysql extension is enabled, i'm using mysql driver running if(!function_exists('mysql_query')) echo 'error'; else echo 'all fine'; on a separate file prints all fine but on dbo_mysql.php just before line 588 prints error i believe the database configuration is correct as on http://127.0.0.1/cake/ it says Your database configuration file is present. and Cake is able to connect to the database. i'm using the latest stable version of cakephp and easyphp on windows xp pro sp3, paths are setted correctly any idea? thank you

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  • False Duplicate Key Error in Entity Framework Application

    - by ProfK
    I have an ASP.NET application using an entity framework model. In an import routine, with the code below, I get a "Cannot insert duplicate key" exception for AccountNum on the SaveChanges call, but when execution stops for the exception, I can query the database for the apparently duplicated field, and no prior record exists. using (var ents = new PvmmsEntities()) { foreach (DataRow row in importedResources.Rows) { var empCode = row["EmployeeCode"].ToString(); try { var resource = ents.ActivationResources.FirstOrDefault(rs => rs.EmployeeCode == empCode); if (resource == null) { resource = new ActivationResources(); resource.EmployeeCode = empCode; ents.AddToActivationResources(resource); } resource.AccountNum = row["AccountNum"].ToString(); ents.SaveChanges(true); } catch(Exception ex) { } } }

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  • general database modeling and django specific modeling

    - by Shreko
    I'm wondering what is the best way to model something like the following. Lets say my company sells metal bars (parameters/fields are: length, profile_type, quantity etc.) of different profiles, where profiles may be pipe(pipe_diameter, wall_thickness) or hollow_rectangle(base, height, wall_thickness), or maybe some other profile with different parameters. Lets say maximum number of profiles would be 12, each profile having between 2-5 parameters. Should everything be in a single table like table_bars: id, length, quantity, profile_type, pipe_diameter, wall_thickness, base, height, etc.) where profile type would be (pipe, rectangle etc.) or should every shape have its own table with its own parameters and in table_bars keep only id, length, quantity profile_type and profile_id) and are there any django specific issues is multiple tables are the best answer? Thanks

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  • How to : required validator based on user role ASP.Net MVC 3

    - by user70909
    Hi, i have a form where i have the field "Real Cost" i want to customize its appearance and wither it should be validated based on user role. to be more clear is say the client want to show his field in the form or details page and also make it editable for users in Roles "Senior Sales, Manager" but not other roles, so can anyone please guide me of the best way ? should i write custom required validation based on user in role, and if so can you please provide the right implementation of it? some may tell me create custom model for this, but i think it would be hassle plus the Roles will be dynamic so it is not predefined set of roles. i hope i was clear enough

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  • django app using amazon aws s3 storage in stead of DB?

    - by farble1670
    new to python here so bear with me ... i'm looking at django for a rapid prototype to a photo sharing app with an amazon aws s3 storage back end. however, as far as i can tell, django is tailored toward the typical database MVC type of pattern. is there a way to for example provide a custom django model implementation that talks to s3 in stead of a DB? a custom DB engine? would either of these be practical, or am i looking in the wrong direction? thanks.

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  • C#: Semantics for generics?

    - by Rosarch
    I have a list: private readonly IList<IList<GameObjectController>> removeTargets; PickUp inherits from GameObjectController. But when I try this: public IList<PickUp> Inventory // ... gameObjectManager.MoveFromListToWorld(this, user.Model.Inventory); I get a compiler error: cannot convert from 'System.Collections.Generic.IList' to 'System.Collections.Generic.IList' Why does this occur? Shouldn't this be fine, since PickUp is a subclass of GameObjectController? Do I need something like Java's Map<E extends GameObjectController>? Earlier, I was having a similar problem, where I was trying to implicitly cast inventory from an IList to an ICollection. Is this the same problem?

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  • Django Managers

    - by owca
    I have the following models code : from django.db import models from categories.models import Category class MusicManager(models.Manager): def get_query_set(self): return super(MusicManager, self).get_query_set().filter(category='Music') def count_music(self): return self.all().count() class SportManager(models.Manager): def get_query_set(self): return super(MusicManager, self).get_query_set().filter(category='Sport') class Event(models.Model): title = models.CharField(max_length=120) category = models.ForeignKey(Category) objects = models.Manager() music = MusicManager() sport = SportManager() Now by registering MusicManager() and SportManager() I am able to call Event.music.all() and Event.sport.all() queries. But how can I create Event.music.count() ? Should I call self.all() in count_music() function of MusicManager to query only on elements with 'Music' category or do I still need to filter through them in search for category first ?

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  • Java 64bit install throwing non compatible 64bit error in 64bit Windows 7

    - by ThunderWolf
    JRE and JDK 64bit install executable are throwing a non compatible win32 error: jre_7u1_windows-x64bit.exe is not a valid Win32 application. I thought this could be a system environment variable problem, but from what I can tell it is not, the variable PROCESSOR_ARCHITECTURE is set as: AMD64 and the variable PROCESSOR_IDENTIFIER is set as: Intel64 Family 6 Model 37 Stepping 5, GenuineIntel I am not sure what variables the installer reads from if any. I have tried java 6 installer and the same thing. I can install other programs designed for a 64bit architecture and I have looked at Control PanelSystem and SecuritySystem: which is in fact "System type: 64-bit Operating System".

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  • naive bayesian spam filter question

    - by Microkernel
    Hi guys, I am planning to implement spam filter using Naive Bayesian classification model. Online I see a lot of info on Naive Bayesian classification, but the problem is its a lot of mathematical stuff, than clearly stating how its done. And the problem is I am more of a programmer than a mathematician (yes I had learnt Probability and Bayesian theorem back in school, but out of touch for a long long time, and I don't have luxury of learning it now (Have nearly 3 weeks to come-up with a working prototype)). So if someone can explain or point me to location where its explained for programmers than a mathematician, it would be a great help. PS: By the way I have to implement it in C, if you want to know. :( Regards, Microkernel

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  • NameNotFoundException when calling a EJB in Weblogic 10.3

    - by XpiritO
    First of all, I'd like to underline that I've already read other posts in StackOverflow (example) with similar questions, but unfortunately I didn't manage to solve this problem with the answers I saw on those posts. I have no intention to repost a question that has already been answered, so if that's the case, I apologize and I'd be thankful to whom points out where the solution is posted. Here is my question: I'm trying to deploy an EJB in WebLogic 10.3.2. The purpose is to use a specific WorkManager to execute work produced in the scope of this component. With this in mind, I've set up a WorkManager (named ResponseTimeReqClass-0) on my WebLogic configuration, using the web-based interface (Environment Work Managers New). Here is a screenshot: Here is my session bean definition and descriptors: OrquestratorRemote.java package orquestrator; import javax.ejb.Remote; @Remote public interface OrquestratorRemote { public void initOrquestrator(); } OrquestratorBean.java package orquestrator; import javax.ejb.Stateless; import com.siemens.ecustoms.orchestration.eCustomsOrchestrator; @Stateless(name = "OrquestratorBean", mappedName = "OrquestratorBean") public class OrquestratorBean implements OrquestratorRemote { public void initOrquestrator(){ eCustomsOrchestrator orquestrator = new eCustomsOrchestrator(); orquestrator.run(); } } META-INF\ejb-jar.xml <?xml version='1.0' encoding='UTF-8'?> <ejb-jar xmlns='http://java.sun.com/xml/ns/javaee' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' metadata-complete='true'> <enterprise-beans> <session> <ejb-name>OrquestradorEJB</ejb-name> <mapped-name>OrquestratorBean</mapped-name> <business-remote>orquestrator.OrquestratorRemote</business-remote> <ejb-class>orquestrator.OrquestratorBean</ejb-class> <session-type>Stateless</session-type> <transaction-type>Container</transaction-type> </session> </enterprise-beans> <assembly-descriptor></assembly-descriptor> </ejb-jar> META-INF\weblogic-ejb-jar.xml (I've placed work manager configuration in this file, as I've seen on a tutorial on the internet) <weblogic-ejb-jar xmlns="http://www.bea.com/ns/weblogic/90" xmlns:j2ee="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.bea.com/ns/weblogic/90 http://www.bea.com/ns/weblogic/90/weblogic-ejb-jar.xsd"> <weblogic-enterprise-bean> <ejb-name>OrquestratorBean</ejb-name> <jndi-name>OrquestratorBean</jndi-name> <dispatch-policy>ResponseTimeReqClass-0</dispatch-policy> </weblogic-enterprise-bean> </weblogic-ejb-jar> I've compiled this into a JAR and deployed it on WebLogic, as a library shared by administrative server and all cluster nodes on my solution (it's in "Active" state). As I've seen in several tutorials and examples, I'm using this code on my application, in order to call the bean: InitialContext ic = null; try { Hashtable<String,String> env = new Hashtable<String,String>(); env.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory"); env.put(Context.PROVIDER_URL, "t3://localhost:7001"); ic = new InitialContext(env); } catch(Exception e) { System.out.println("\n\t Didn't get InitialContext: "+e); } // try { Object obj = ic.lookup("OrquestratorBean"); OrquestratorRemote remote =(OrquestratorRemote)obj; System.out.println("\n\n\t++ Remote => "+ remote.getClass()); System.out.println("\n\n\t++ initOrquestrator()"); remote.initOrquestrator(); } catch(Exception e) { System.out.println("\n\n\t WorkManager Exception => "+ e); e.printStackTrace(); } Unfortunately, this don't work. It throws an exception on runtime, as follows: WorkManager Exception = javax.naming.NameNotFoundException: Unable to resolve 'OrquestratorBean'. Resolved '' [Root exception is javax.naming.NameNotFoundException: Unable to resolve 'OrquestratorBean'. Resolved '']; remaining name 'OrquestratorBean' After seeing this, I've even tried changing this line Object obj = ic.lookup("OrquestratorBean"); to this: Object obj = ic.lookup("OrquestratorBean#orquestrator.OrquestratorBean"); but the result was the same runtime exception. Can anyone please help me detecting what am I doing wrong here? I'm having a bad time debugging this, as I don't know how to check out what may be causing this issue... Thanks in advance for your patience and help.

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  • WPF - Have a list source defined at runtime but still have sample data for design time

    - by Vaccano
    I have some ListBoxes in my WPF app. I would like to be able to view how the design looks with out having to run the app. But I still want to be able to bind to ItemsSource to my View Model. I know I saw a blog post on how to do this, but I cannot seem to find it now. To reiterate, I want dummy data at design time, but real data at run time and not break the MVVM pattern. Any ideas?

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  • How to add search.asmx web reference to webpart application in VS2008 ? facing problem.

    - by Lalit
    Hi, I am trying to create the custom search webpart. I want to use Enterprise Search Query Model (MOSS) . But unable to add the web reference of the search.asmx webservice. infact it has no WSDL file. just wondering about what setting it needs.... too If anybody know how to do, same. please let me know. you can find the search webservice at "http://:/sites//_vti_bin/spsearch.asmx" I tried by right cliking on project said Add Service Reference , inserts the url said Go , but nothis was there. same i tried with web aplication . but no effect. even i can see the methods in browser, but cannot generate WSDL ??

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  • DataGrid row and MVVM

    - by Titan
    Hi, I have a wpf datagrid with many rows, each row has some specific behaviors like selection changed of column 1 combo will filter column 2 combo, and what is selected in row 1 column 1 combo cannot be selected in row 2 column 1 combo, etc... So I am thinking of having a view model for the main datagrid, and another for each row. Is that a good MVVM implementation? It is so that I can handle each row's change event effectively. Question is, how do I create "each row" as a user control view? within the datagrid. I want to implement something like this: <TreeView Padding="0,4,12,0"> <controls:CommandTreeViewItem Header="Sales Orders" Command="{Binding SelectViewModelCommand}" CommandParameter="Sales Orders"/> </TreeView> Where instead of a TreeView I want a datagrid, and instead of controls:CommandTreeViewItem a datagrid row in WPF. Thanks in advance.

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  • In Javascript event handling, why "return false" or "event.preventDefault()" and "stopping the event

    - by Jian Lin
    It is said that when we handle a "click event", returning false or calling event.preventDefault() makes a difference, in which the difference is that preventDefault will only prevent the default event action to occur, i.e. a page redirect on a link click, a form submission, etc. and return false will also stop the event flow. Does that mean, if the click event is registered several times for several actions, using $('#clickme').click(function() { … }) returning false will stop the other handlers from running? I am on a Mac now and so can only use Firefox and Chrome but not IE, which has a different event model, and tested it on FF and Chrome and all 3 handlers ran without any stopping…. so what is the real difference, or, is there a situation where "stopping the event flow" is not desirable? this is related to http://stackoverflow.com/questions/3042036/using-jquerys-animate-if-the-clicked-on-element-is-a-href-a and http://stackoverflow.com/questions/2017755/whats-the-difference-between-e-preventdefault-and-return-false

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  • How to avoid "The name 'ConfigurationManager' does not exist in the current context" error?

    - by 5YrsLaterDBA
    I am using VS2008. I have a project connect with a database and the connection string is read from App.config via ConfigurationManager. We are using L2E. Now I added a helper project, AndeDataViewer, to have a simple UI to display data from the database for testing/verification purpose. I don't want to create another set of Entity Data Model in the helper project. I just added all related files as a link in the new helper project. When I compile, I got the following error: Error 15 The name 'ConfigurationManager' does not exist in the current context C:\workspace\SystemSoftware\SystemSoftware\src\systeminfo\RuntimeInfo.cs 24 40 AndeDataViewer I think I may need to add another project setting/config related file's link to the helper project from the main project? There is no App.config file in the new helper project. But it looks I cannot add that file's link to the helper project. Any ideas?

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  • VS 2008 and SQL 2008 Express

    - by Serge
    Hi, I am trying to write a small app to connect and manipulate some data on an SQL 2008 Express database. The database is on my local machine but I can see it on the network. I am trying to use LINQ to SQL in my app. I am trying to connect to the database so I can add database model to use with LINQ but the problem is I can not see any databases inside the SQL Server, which is on my machine. I tried using Windows Auth and also tried SQL Server Auth with no luck. Can someone please assist me? What am I missing?

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  • Ajax.ActionLink is not POSTing

    - by Dave Hanna
    I am trying to navigate to an MVC action by POSTing rather than GETting. (The action is a DELETE, and I don't want it reachable by an external link.) I am using a link in a grid generated by Ajax.ActionLink("Remove", "Delete", new { saID = Model.Said, id = e.id }, new AjaxOptions { HttpMethod = "POST", Confirm = "Are you sure you want to delete this item?" }) Which generates the following HTML: <a href="/Equipment/Delete/102424/229933" onclick="Sys.Mvc.AsyncHyperlink.handleClick(this, new Sys.UI.DomEvent(event), { insertionMode: Sys.Mvc.InsertionMode.replace, confirm: 'Are you sure you want to delete this item?', httpMethod: 'POST' });">Remove</a> My problem is that when I click on the link, I am reaching the Delete action via a GET rather than a POST, AND the Confirm dialog is not taking place. I have been googling this for several hours and just keep getting wrapped around the axle. What am I doing wrong?

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  • Creating a form for editing embedded documents with MongoMapper

    - by Luke Francl
    I'm playing around with MongoMapper but I'm having trouble figuring out how to create a form for an object that has embedded documents. With ActiveRecord, I'd use fields_for but when asked if this would be supported a few months ago, MongoMapper author John Nunemaker wrote: "Nope and nope. It is really [not] that hard with attr_accessor's." OK, fair enough, but how do you write the form for this to work? I'm not interested in using the nested form implementations that are out there because I want to do this the "normal" way as I'm learning about MongoMapper. My model is simple enough - I've got a Person with embedded documents for email addresses, phone numbers, etc. I do not care about updating existing embedded documents. They can be re-created from the form input each time a Person is edited.

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  • _mask and Rails

    - by Eric Koslow
    So I am trying to get the cancan gem to work with my rails 3 app and I've hit a problem. I tried to copy the code that Ryan Bates (the creator of the gem) used in his screen cast, but I get an error saying that roles_mask is not a method. I figure that the _mask method was removed from Ruby/Rails at some point, and I'm now wondering what is the replacement. Here's the code in my user.rb model: named_scope :with_role, lambda { |role| {:conditions => "roles_mask & #{2**ROLES.index(role.to_s)} > 0 "} } ROLES = %w[admin student principal admissions] def roles=(roles) self.roles_mask = (roles & ROLES).map { |r| 2**ROLES.index(r) }.sum end def roles ROLES.reject { |r| ((roles_mask || 0) & 2**ROLES.index(r)).zero? } end def role? roles.include? role.to_s end def role_symbols roles.map(&:to_sym) end I'm using Rails 3 and Ruby 1.9.2dev Thank you

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  • Usng Rails ActiveRecord relationships

    - by Brian Goff
    I'm a newbie programmer, been doing shell scripting for years but have recently taken on OOP programming using Ruby and am creating a Rails application. I'm having a hard time getting my head wrapped around how to use my defined model relationships. I've tried searching Google, but all I can come up with are basically cheat sheets for what has_many, belongs_to, etc all mean. This stuff is easy to define & understand, especially since I've done a lot of work directly with SQL. What I don't understand is how to actually used those defined relationships. In my case I have 3 models: Locations Hosts Services Relationships (not actual code, just for shortening it): Services belongs_to :hosts Hosts has_many :services belongs_to :locations Locations has_many :hosts In this case I want to be able to display a column from Locations while working with Services. In SQL this is a simple join, but I want to do it the Rails/Ruby way, and also not use SQL in my code or redefine my joins.

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  • Subclass of Subclass fluent nHibernate

    - by Xavier Hayoz
    Hi all My model looks like this: public class SelectionItem : BaseEntity // BaseEntity ==> id, timestamp stuff {//blabla} public class Size : SelectionItem {//blabla} public class Adultsize : Size {//blabla} I would like to use class-hierarchy-per-table-method of fluent nhibernate public class SelectionItemMap : BaseEntityMap<Entities.SelectionItem.SelectionItem> { public SelectionItemMap() { Map(x => x.Name); Map(x => x.Picture); Map(x => x.Code); DiscriminateSubClassesOnColumn("SelectionItemType"); } } and reset a DiscriminateSubClassesOnColumn on the following subclass: public class SizeMap : SubclassMap<Size> { DiscriminateSubClassesOnColumn("SizeType") } public Adultsize : SubclassMap<Adultsize> {} But this doesn't work. I found a solution on the web: link text but this method is depreciated according to resharper. How to solve it? thank you for further informations.

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  • blur a moving area in a movie on osx

    - by Stefano Borini
    Note, there's already a question on this regard, but it's totally useless. I need to blur, or put a small opaque mask to a moving object on a movie I took, I am using mac osx. Clearly, I don't want to shell out a lot of money for something so simple, so getting adobe premiere or similar software is a no go. I could however consider paying a small software (max 30 dollars) for this specific task.

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