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• Is it possible to set properties on a Mock Object in Simpletest

  - by JW

  I normally use getter and setter methods on my objects and I am fine with testing them as mock objects in SimpleTest by manipulating them with code like: Mock::generate('MyObj'); $MockMyObj->setReturnValue('getPropName', 'value') However, I have recently started to use magic interceptors (__set() __get()) and access properties like so: $MyObj->propName = 'blah'; But I am having difficulty making a mock object have a particular property accessed by using that technique. So is there some special way of setting properties on MockObjects. I have tried doing: $MockMyObj->propName = 'test Value'; but this does not seem to work. Not sure if it is my test Subject, Mock, magic Interceptors, or SimpleTest that is causing the property to be unaccessable. Any advice welcome.

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• Detecting syllables in a word

  - by user50705

  I need to find a fairly efficient way to detect syllables in a word. E.g., invisible - in-vi-sib-le There are some syllabification rules that could be used: V CV VC CVC CCV CCCV CVCC *where V is a vowel and C is a consonant. e.g., pronunciation (5 Pro-nun-ci-a-tion; CV-CVC-CV-V-CVC) I've tried few methods, among which were using regex (which helps only if you want to count syllables) or hard coded rule definition (a brute force approach which proves to be very inefficient) and finally using a finite state automata (which did not result with anything useful). The purpose of my application is to create a dictionary of all syllables in a given language. This dictionary will later be used for spell checking applications (using Bayesian classifiers) and text to speech synthesis. I would appreciate if one could give me tips on an alternate way to solve this problem besides my previous approaches. I work in Java, but any tip in C/C++, C#, Python, Perl... would work for me.

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• How Can I Add a New Command to a Control's Event

  - by Chris

  Hi, thanks for taking a look at this question. I have been building an application (VB/WPF) following Josh Smith's example of an MVVM pattern: Click here to view My Views have Controls which trigger a Command upon an event, such as a button click and these are bound to properties in the ViewModel. My ViewModel exposes properties of type ICommand which invoke the appropriate methods. This has worked well, until now! I now want to use a Thumb Control to allow a user to move an object within a Canvas. I don't believe that the Thumb has a Command capability 'out of the box'. A Thumb raises a 'DragDelta' event when being moved. So my question is as follows: How do I extend a Control's capability to issue a Command upon an event please? I wish to issue a new Command, let's say 'onDragDelta' so that I can bind it to a property in my ViewModel just like my Buttons. Thank you very much

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• No method found compiler warning

  - by Magic Bullet Dave

  I have create a class from a string, check it is valid and then check if it responds to a particular method. If it does then I call the method. It all works fine, except I get an annoying compiler warning: "warning: no '-setCurrentID:' method found". Am I doing something wrong here? Is there anyway to tell the compiler all is ok and stop it reporting a warning? The here is the code: // Create an instance of the class id viewController = [[NSClassFromString(class) alloc] init]; // Check the class supports the methods to set the row and section if ([viewController respondsToSelector:@selector(setCurrentID:)]) { [viewController setCurrentID:itemID]; } // Push the view controller onto the tab bar stack [self.navigationController pushViewController:viewController animated:YES]; [viewController release]; Cheers Dave

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• UILabel reset after Autorotate

  - by MB

  Hi, I have a UILabel in a view that is set by calling a method against my view controller. The app is a TABBar app and the VC is in the MORE section. When I rotate the phone the label disappears (don't mind that) when I rotate back the label is showing all .......... (the value it is set to in the XIB) I added a line to set the label in the shouldAutoRotateToOrientation method lblProductTxt.titleLabel.text = self.productText; when autorotating what viewcontroller methods are being called. ?? the shouldAutoRotateToOrientation method doesn't get called when the VC is in the More section but when I move it it does get called but has no affect on the labeltext

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• Localization as an afterthought-- screwed?

  - by David

  So I signed on with a startup web development company as a subcontractor. They are putting together a large, complex user/product management system for a company that needs to support multiple levels of hierarchial localization. I signed a 3 month contract, and upon looking at their code, wish I hadn't. They opted to write their own MVC framework (I guess the client company didn't want to use a prewritten one) and it's extremely poorly written. There's SQL scattered throughout almost every model view and controller (and there's no parameter-based find methods, it's all SQL) and they haven't even THOUGHT about localization yet-- something that will have an affect on nearly EVERY query. The due date is 4 months away, and I honestly think we'd make good progress by scrapping the whole thing and going with CakePHP. Have any of you been in a similar situation, and what did you do? PS: This is written in PHP/MySQL.

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• Enabling full documentation for J2EE in eclipse

  - by maayank

  I'm new to Eclipse and am using it currently to play with J2EE. When using Ctrl+Space for types/functions from the regular Java libraries I get a full description (i.e. general description of the type, what are the arguments of the method for, etc.). However I don't get the same for J2EE types. For example, when using Ctrl+Space on methods of the HttpSession class I get only names like "arg0" or "obj" and no description. Is there some kind of a package I can install to remedy this?

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• Setting refresh-policies in Ehcache

  - by Alex Ciminian

  Is there any to specify a data refresh policy in Ehcache? I am currently migrating an application from OSCache to Ehcache and I can't seem to find any way to specify when an element needs refreshing, besides setting timeToIdle and timeToLive. What I want is: on accessing an element from the cache, check with it's associated resource to see if it was updated later than the lastUpdateTime of the cache element. If yes, refresh the cache; else serve the content from the cache. In OSCache this was done by catching NeedsRefreshExceptions and setting custom refresh policies for the elements. I've been digging around in the docs for a while now, but I wasn't able to find any methods or examples of how I could accomplish this in Ehcache. Any help would be appreciated :). Alex

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• Why C# calls different overloaded method for different values of same type?

  - by Fabio Veronez

  Hello all, I have one doubt concerning c# method overloading call resolution. Let's suppose I have the following C# code: enum MyEnum { Value1, Value2 } public void test() { method(0); // this calls method(MyEnum) method(1); // this calls method(object) } public void method(object o) { } public void method(MyEnum e) { } Note that I know how to make it work but I would like to know why for one value of int (0) it calls one method and for another (1) it calls another. It sounds awkward since both values have the same type (int) but they are "linked" for different methods. Ps.: This is my first question here, i'm sorry if I made something wrong. =P

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• WCF Client Proxy State

  - by RemotecUk

  Hi, how do I test the state of my proxy before making calls to my WCF service. I have a duplex channel created using a duplex channel factory. Before making any calls to the server I want to check the state of the proxy object created from the channel factory. I saw this in a book... (to be used in immediate window) ? ((ICommunicationObject)flsProxy).State But it gave this exception... Cannot obtain fields or call methods on the instance of type 'System.ServiceModel.ICommunicationObject' because it is a proxy to a remote object. Would be grateful for any ideas how this can be tested, or is it better to just catch exceptions. Thanks.

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• Call the cast operator of template base class within the derived class

  - by yoni

  I have a template class, called Cell, here the definition: template <class T> class OneCell { ..... } I have a cast operator from Cell to T, here virtual operator const T() const { ..... } Now i have derived class, called DCell, here template <class T> class DCell : public Cell<T> { ..... } I need to override the Cell's cast operator (insert a little if), but after I need to call the Cell's cast operator. In other methods it's should be something like virtual operator const T() const { if (...) { return Cell<T>::operator const T; } else throw ... } but i got a compiler error error: argument of type 'const int (Cell::)()const' does not match 'const int' What can I do? Thank you, and sorry about my poor English.

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• entity framework inserting a many-to-many relationship between two existing objects while updating

  - by redbluegreen

  I'm trying to do this: using(var context = new SampleEntities()) { User user = select a user from database; //Update user's properties user.Username = ... user.Website = ... //Add a role Role role = select a role from database //trying to insert into table UserRoles which has columns (UserID, RoleID) user.Roles.Add(role); //Apply property changes context.ApplyPropertyChanges("Users", user); context.SaveChanges(); } However, I get an exception telling me that "The existing object in the ObjectContext is in the Added state" and can't "ApplyPropertyChanges". If "ApplyPropertyChanges()" is removed, it adds a User. What orders should these methods be called? I don't need to do them separately right? Thanks.

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• haystack's RealTimeSearchIndex causes django to hang on data entry

  - by lsc

  I'm using django-haystack and a xapian backend with real time indexing (haystack.indexes.RealTimeSearchIndexing) of model data and it works fine on my Ubuntu server. However, it causes django to hang upon data entry when I deployed the app on a RHEL5 server. Everything is hunky dory if I switch to a standard SearchIndex. Running ./manage.py rebuild_index manually works fine too. The major differences between the two setups would be the versions of Python (2.4.3 vs 2.6.4) and the xapian (1.0.4-1 vs 1.0.15). Any suggestions on what may be the problem? Nothing interesting appears in the logs, and I've tried different databases (mysql, sqlite3) and deployment methods (mod_python, wsgi) with no luck yet. I have noted the warning on the haystack docs stating that RealTimeSearchIndex is only handled gracefully with a Solr backend, however I'm running a very traffic site with only occasional writes so I'm fine with some CPU overheads on writes.

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• WCF Blocking problem with mutiple clients!!

  - by Marcel

  Hi I seem to have a blocking issue with WCF. Say I have two users and each have created their own instance of a class exposed on a WCF host using net.tcp with endpoint something like this "net.tcp://localhost:32000/SymHost/". The class is PerSession context and concurrency is reentrant. The class exposes two methods Alive() which return a bool of true straight away and an AliveWait which I inserted which does a Thread.Sleep for 4 seconds before returning true (testing purposes). Now client 1 calls AliveWait() during which time he is blocked which is fair enough but then if client 2 makes a call to Alive() on its own instance he has to wait until client 1's call is returned - this behaviour is not what I would have expected? I would have expected client 2 to carry on as if nothing has happened or is this to do with the fact that they both share the same endpoint? Can anyone explain what is going on and how I can make sure that client 2 can call its own instance uninterrupted? Any help much appreciated!

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• Clarification required re use of .NET Assemblies in GAC - Use to use Globally?

  - by Cognize

  Hi, I've done much reading and experimentation today regarding sigining of assemblies, and their installation into the GAC via various methods (mscorcfg.msc / drag and drop). What I thought, was that once a file was in the GAC, you did not need to make references from projects in Visual studio. I know that you CAN make references via the usual Add Reference, Browse etc, but I thought it was automatic. Testing proves this not to be the case. I came across a forum post looking to achieve the same outcome that suggested adding to the machine.config file under system.web as below. This did not work, it in fact broke visual studio until I removed it. <assemblies> <add assembly="Blah.Framework.Logging, Version=1.0.3806.25580, Culture=neutral, PublicKeyToken=0beed4b631ebc3cd" /> </assemblies> What I want to know, is am I right in my assumed use of assemblies in the GAC, and is there a way of making them globally available?

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• Modifying JSF Component Tree in PhaseListener

  - by jamiebarrow

  Hi all, I'm having an issue. I've implemented a PhaseListener, which is meant to add a style class to any UIInput components in the tree that have messages attached to them, and removes the style class if it doesn't have any messages attached to them. The PhaseListener runs in the RENDER_RESPONSE phase, and does it's work in both the beforePhase and afterPhase methods while debugging. While debugging, I found that beforePhase doesn't have access to the full component tree, but afterPhase does. Any changes done in afterPhase aren't rendered though. How do I go about this? I want this to be completely server side. Thanks, James

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• What exactly is a property in Objective C ? What is the difference between a property ans an instance variable?

  - by tek3

  I am very much confused between instance variables and property. I have read number of posts regarding this but still i am not clear about it. I am from JAVA background and what i infer from objective C documentation is that a property is similar to JAVA BEAN CLASS (one having getter and setter of instance varibles). A property can accessed from other classes through its getter and setter methods while an instance variable is private and cannot be accessed from other classes. Am i right in thinking in this direction ?

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• Rails: Convert HTML to PDF?

  - by rip747

  What is the best and easiest way of taking HTML and converting it into a PDF, similar to use CFDOCUMENT on ColdFusion? UPDATE: I really appreciate all the comments and suggestions that people have given so far, however I feel that people leaving their answers are missing the point. 1) the solution has to be free or open sourced. one person suggested using pricexml and the other pd4ml. both of these solutions costs money (pricexml costing an arm and a leg) which i'm not about the fork over. 2) they must be able to take in html (either from a file, url or a string variable) and then produce the pdf. libraries like prawn, rprf, rtex are produced using their own methods and not taking in html. please don't think i'm ungrateful for the suggestions, it's just that pdf generation seems like a really problem for people like me who use ColdFusion but want to convert to Rails.

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• Ruby Socket Inheritance

  - by Jarsen

  I'm writing a Ruby class that extends TCPSocket. Assume it looks something like this: class FooSocket < TCPSocket def hello puts 'hello' end end I have a TCPServer listening for incoming connections server = TCPServer.new 1234 socket = server.accept When my server finally accepts a connection, it will return a TCPSocket. However, I want a FooSocket so that I can call socket.hello. How can I change TCPSocket into a FooSocket? I could duck-punch the methods and attributes I want directly onto the TCPSocket class, but I'm using it elsewhere and so I don't want to do that. Probably the easiest solution is to write a class that encapsulates a TCPSocket, and just pass the socket returned by accept as a param. However, I'm interested to know how to do it through inheritance—I've been trying to bend my mind around it but can't figure it out. Thanks in advance.

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• Mod rewrite with 3 parameters ?

  - by Axel

  Hello, I did tons of methods to figure out how to make this mod rewrite but i was completly unsuccessful. I want a .htaccess code that rewrite in the following method: http://www.mydomain.com/apple/upcoming/2 --- http://www.mydomain.com/handler.php?topic=apple&orderby=upcoming&page=2 This is easy to do, but the problem is that all parameters are not required so the link has different levels of parameters each time like this: http://www.mydomain.com/apple/popular/2 -- topic=apple&orderby=popular&page=2 http://www.mydomain.com/apple/2 -- topic=apple&orderby=&page=2 http://www.mydomain.com/all/popular/2 -- topic=all&orderby=popular&page=2 http://www.mydomain.com/apple/upcoming/ -- topic=apple&orderby=upcoming&page= So briefly, the url has 3 optional parameters in one static order: (topic) (orderby) (page) Note: the ORDERBY parameter can be "popular" or "upcoming" or nothing. Thanks

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• How to call method written in C# class library from Silver light application(xaml.cs file) ?

  - by Shyju

  Can a xaml.cs file call the method in a c# class library ? I am trying to add a Silver light control to my Existing ASP.NET project where i used to add reference to my BL Project and acces methods of BL from My UI pages of ASP.NET Web application.Now i have added one Silver light project to my solution.How can i use the already existing BL method which is in a C# class library ? When tried to add reference, it is saying that "You can only add project reference to other silver light projects in the solution". Should i give up ? Is there any way to get rid of this ?

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• Setting a "dependency property" in code

  - by Matt B

  I'm on a roll today... I have the following code delaring a dependency property inside a class called ActionScreen: #region Dependency Properties & Methods public string DescriptionHeader { get { return (string)GetValue(DescriptionHeaderProperty); } set { SetValue(DescriptionHeaderProperty, value); } } // Using a DependencyProperty as the backing store for DescriptionHeader. This enables animation, styling, binding, etc... public static readonly DependencyProperty DescriptionHeaderProperty = DependencyProperty.Register("DescriptionHeader", typeof(string), typeof(ActionScreen), new UIPropertyMetadata("xxx")); #endregion I bind to this property in my Xaml as so: <GridViewColumn DisplayMemberBinding="{Binding Description}" Header="{Binding DescriptionHeader}" Width="350" /> Now I want to be able to set the parameter from my code behind when I recieve an event - but it's not working: public string DescColText { set { this.Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate() { DescriptionHeader = value; })); } }

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• Help needed to resolve RMI RemoteException

  - by Gabriel Parenza

  Hello friends, Any idea why do I get RemoteException while trying to invoke methods on Unix machine from Windows. I am inside the network and dont think this is because of firewall problem as I can do "telnet" from Windows to Unix box after starting the RMI server at the unix box. I also could not understand why is it going to local loopback IP? Stack Trace:: RemoteException occured, details java.rmi.ConnectException: Connection refused to host: 127.0.0.1; nested exception is: java.net.ConnectException: Connection refused: connect java.rmi.ConnectException: Connection refused to host: 127.0.0.1; nested exception is: java.net.ConnectException: Connection refused: connect Many thanks in advance.

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• Generate links for routes with non-parameter url segments on ASP.NET MVC 2

  - by spapaseit

  I have a route defined with several hardcoded (non-parameter) segments: routes.MapRoute(null, "suggestion/list/by/{tag}", new { controller = "Suggestion", action = "List", tag = UrlParameter.Optional }); Suppose I'm in the Index view of SuggestionController, which has a Suggestion object for Model, how can I create a link that matches that route? I'd rather use one of the provided helpers and keep the route name as null in order to avoid hard-coding to much on my views, but I can't figure out how to user these non-parameter segments in Html.ActionLink or RouteLink methods. I've even tried to render the link using plain ol' html <a href="/suggestion/list/by/<%=Model.Tag %>"><%=Model.Tag %></a> but this somehow didn't match the route either. There's probably a very simple solution and I might be over-complicating things in mi mind, but I'm at a loss. Any ideas? Thanks in advance.

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• ASP.NET MVC authorization & permission to use model classes

  - by Tomek

  Hi, This is my first post here, so hello :) Okey, let's get to the point... I am writing my first app in ASP.NET MVC Framework and i have a problem with checking privileges to use instances of model classes (read, edit). Sample code looks like this: // Controller action [CustomAuthorize(Roles="Editor, Admin")] public ActionResult Stats(int id) { User user = userRepository.GetUser(id); if (user == null || !user.Activated || user.Removed) return View("NotFound"); else if (!user.IsCurrentSessionUserOwned) return View("NotAuthorized"); return View(user); } So far authorize attribute protects only controller actions, so my question is: how to make (custom) authorize attribute to check not only user role, usernames but also did i.e. resources instantiated in action methods (above: User class, but there are other ORM objects like News, Photos etc.) All of these object to check have their unique ID's, so user have own ID, News have their ID and UserID field referecned to Users table (i mean these objects are LINQ2SQL classes). How should i resolve that problem?

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