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• Objective-C initial values of created C-array

  - by kpower

  I create an array, similar to classic C (not NSArray or one of it's children) - something like BOOL i[5];. And I want to make all its values to be equal to NO. First of all, I didn't found any information about initial values of such arrays (I know that in classic C they will be undefined, but don't know exactly about Objective-C. I found info about classes and its inner data [after allocation, without initialization], but not about simple data types). And the second, if I should set array values manually - should I use memset(...); or something different? To prevent possible questions... I want to use this construction as array of temporary boolean flags and don't think that it is proved to use something like NSArray here.

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• How to mock a RIA service

  - by Budda

  Is there any ability to mock methods that are provided with RIA Services? I would like to test my Silverlight App without communication to the server side... I see a following approach: create a separate interface; add it to "base classes" for my RiaService; define each autogenerated RIA-method in this interface; insert dependency so that my "functionality" will depend not from the RiaService, but from the interface that is implemented with RiaService. But for this case I see a problem: how to keep my interface in the auto-generated files? ANy thoughts are welcome.

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• To see javascript object properties and functions with intellisense in VS.NET

  - by uzay95

  I am creating classes in external files.And adding them with <script src='../js/clsClassName.js' type='text/javascript'></script> tags. When i created an object from this class I can't access its props, and functions with intellisense. Is there any way to achieve this? // clsClassName.js function ClassName(_param1, _param2, _param3) { this.Prop1 = _param1; this.Prop1 = _param2; this.Prop3 = _param3; } ClassName.prototype.f_Add = function(fBefore, fSuccess, fComplete, fError) { } ClassName.prototype.f_Delete = function(fBefore, fSuccess, fComplete, fError) { } Any help would be greatly appreciated...

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• Problem with order by in LINQ

  - by vikitor

  Hi, I'm passing from the controller an array generated by the next code: public ActionResult GetClasses(bool ajax, string kingdom) { int _kingdom = _taxon.getKingdom(kingdom); var query = (from c in vwAnimalsTaxon.All() orderby c.ClaName select new { taxRecID = c.ClaRecID, taxName = c.ClaName }).Distinct(); return Json(query, JsonRequestBehavior.AllowGet); } The query List should be ordered, but it doesn't work, I get the names of the classes ordered wrong in the array, because I've seen it debugging that the names are not ordered.The view is just a dropdownbox loaded automatically, so I'm almost sure the problem is with the action. Do you see anything wrong?Am I missing something?

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• ManyToMany Relation does not create the primary key

  - by Javi

  Hello, I have a ManyToMany relationship between two classes: ClassA and ClassB, but when the table for this relationship (table called objectA_objectB) there is no primary key on it. In my ClassA I have the following: @ManyToMany(fetch=FetchType.LAZY) @OrderBy(value="name") @JoinTable(name="objectA_objectB", joinColumns= @JoinColumn(name="idObjectA", referencedColumnName="id"), inverseJoinColumns= @JoinColumn(name="idObjectB", referencedColumnName="id") ) private List<ClassB> objectsB; and in my ClassB I have the reversed relation @ManyToMany List<ClassA> objectsA; I just want to make a primary key of both id's but I need to change the name of the columns as I do. Why is the PK missing? How can I define it? I use JPA 2.0 Hibernate implementation, if this helps. Thanks.

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• AS3 Event Bubbling outside of the Scenegraph/DisplayList

  - by Brian Heylin

  Hi just wondering if it is possible to take advantage of event bubbling in non display list classes in AS3. For example in the model of an application where there is a City class that contains many Cars. What methods are there to attach an event listener to a City object and receive events that bubble up from the child Cars. To clarify The City and Car objects are not part of the display list, they are not DisplayObjects. So can bubbling be implemented outside of the display list somehow? As far as I know, this is not possible without manually attaching event listeners to each Car object and re dispatching the event from the City object. Anyone else have a cleaner solution?

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• ASP.Net MVC and N-Tier

  - by Damien

  Greetings, Apologies in advance that I have not researched this toughly enough to answer the question myself, but I imagine it would take me some time and I would rather know now before I invest more time in learning it. I couldn't find anything in my initial research.. Why use ASP.Net MVC if your already using a multi-tier architecture (Data Layer, Logic Layer, Presentation Layer)? Other than the fact the controller has more power than the logic layer. Am I right in thinking I can use nHibernate and all my data access classes, entities, and mappings in the Model part of the MVC? When using controllers, is it best to separate a lot of the logic into a separate class so I can call it from multiple controllers? Or can I call them from the controllers themselves, considering the fact that I would not want all of them to be Actions, just normal methods. Thanks

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• FileReader vs FileInputReader. split vs Pattern

  - by abdeslam

  I'm working with a file with about 2G. I want to read the file line by line to find some specific terms. Whitch class can I better use: FileReader or FileInputStream? And how can I find the specific words efficiently. I'm just using the split() method, but may be can I use the java.util.regex.Pattern class in combination with java.util.regex.Matcher class. So the Questions are: which class can I use: the FileReader or the FileInputStream? can I use the split method or the regex classes Does someone has an answer to this questions? Thans.

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• adobe flash buider (flex4): addChild() is not available in this class.

  - by ufk

  Hi. I want to be able to load an swf into a flex 4 application in order to use it's classes. var ldr:Loader=new Loader(); ldr.load(new URLRequest("file://path/to/fileswf")); ldr.contentLoaderInfo. addEventListener(Event.INIT, loaded); function loaded(evt:Event):void { addChild(ldr); } i receive the error: Error: addChild() is not available in this class. Instead, use addElement() or modify the skin, if you have one. at spark.components.supportClasses::SkinnableComponent/addChild()[E:\dev\gumbo_beta2\frameworks\projects\spark\src\spark\components\supportClasses\SkinnableComponent.as:966] at main/private:init/loaded()[C:\Documents and Settings\ufk\Adobe Flash Builder Beta 2\xpogames-toolkit-test\src\main.mxml:22] if i change addChild() to addElement() i receive the following compilation error: 1067: Implicit coercion of a value of type flash.display:Loader to an unrelated type mx.core:IVisualElement. main.mxml path/dir line 22 Flex Problem any ideas how to resolve the issue ?

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• How to map IEnumerable<SelectListItem> to IList<> for ListBox

  - by Superhuman

  I have two classes. Class1 and Class2. public class Class1{ ... public virtual IList<Class2> Class2s{get;set;} ... } public class Class2{ ... public virtual IList<Class1> Class1s{get;set;} ... } The view contains <%=Html.ListBox("Class2s", ViewData.Model.Class2s.Select( x => new SelectListItem { Text = x.Name, Value = x.Id.ToString(), Selected = ViewData.Model.Class1.Class2s.Any(y => y.Id == x.Id) }) They have many to many mapping. I have a ListBox in Class1 view which displays Class2. How to map the output of the ListBox back to IList Class2s property of Class1? I am able to display the values in the ListBox but unable to map back the SelectListItem to IList.

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• iPhone: Sharing protocol/delegate code

  - by pion

  I have the following code protocol snippets: @protocol FooDelegate; @interface Foo : UIViewController { id delegate; } ... @protocol FooDelegate ... // method 1 ... // method 2 ... @end Also, the following code which implements FooDelegate: @interface Bar1 : UIViewController { ... } @interface Bar2 : UITableViewController { ... } It turns out the implementation of FooDelegate is the same on both Bar1 and Bar2 classes. I currently just copy FooDelegate implementation code from Bar1 to Bar2. How do I structure/implement in such a way that Bar1 and Bar2 share the same code in a single code base (not as currently with 2 copies) since they are the same? Thanks in advance for your help.

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• AutoMapper How to map nested object from an ObjectId

  - by RayMartinsHair

  I am trying to map the ReferralContract.AssessmentId property to Referral.Assessment.Id The below code works but I am sure that there is a cleaner way to do.... Please tell me this is so ;-) // Destination classes public class Referral { public Referral() { Assessment = new Assessment(); } public int Id { get; set; } public Assessment Assessment { get; set; } } public class Assessment { public int Id { get; set; } } // Source Class public class ReferralContract { public int Id { get; set; } public int AssessmentId { get; set; } } The Automapper mapping I am using is Mapper.CreateMap<ReferralContract, Referral>() .ForMember(x => x.Assessment, opt => opt.MapFrom(scr => new Assessment { Id = scr.AssessmentId }));

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• Formatting address of different types

  - by mickyjtwin

  I have various classes which all contain address details, i.e. AddressLine1, AddressLine2, AddressLine3, Suburb, Town, etc. On the front end, I need to format the address in a particular way, i.e. AddressLine1<br /> AddressLine2<br /> Suburb State Postcode If AddressLine2 does not exist or empty, don't show it. Quite straight-forward. I am trying to determine the best way to show this info. At the moment, the Address property of each class calls a FormatAddress method which writes out the html string. This exists as a method of the class. My opinion is that any formatting should exist from the front-end control i.e. ascx etc. However, if these DetailClasses need to format the same address info, what would be the best option, also making it easier to maintain?

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• How to execute an update via SQLQuery in Hibernate

  - by Udo Fholl

  Hi, I need to update a joined sub-class. Since Hibernate doesn't allow to update joined sub-classes in hql or named-query I want to do it via SQL. I also can't use a sql named-query because updates via named-query are not supported in Hibernate. So I decided to use a SQLQuery. But Hibernate complaints about not calling addScalar(). Are updates returning the number of rows affected and how is named that column? Are there any other ways to do an update on a joined sub-class in hibernate? Thanks in advance!

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• Eclipse: How to build an executable jar with external jar?

  - by Ben

  Hi all, I am trying to build an executable jar program which depends on external jar downloaded. In my project, I included them in the build path and can be run and debug within eclipse. When I tried to export it to a jar, I can run the program but I can't when I try to press a button which includes function calls and classes from the external jar. I have edited the environment variables (Windows XP) CLASSPATH to include paths of all the external jar, but it doesn't work. A point to note is that I got compile warnings while exporting my executable jar, but it doesn't show up any description about the warnings. Would someone kindly provide a thorough guide on how to include an external jar program using eclipse? Best regards, KWAN Chiu Yin, Ben

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• Dynamically creating controls in MFC (Collection question)

  - by ProgramWriter

  Hello all, I have some custom control inside of which i should create radiobuttons or checkboxes. The count of child controls is available only at runtime (it loads some file from which it gets this count). So i need to create variable number of controls. Which collection i should use for this purpose? Solution 1: simply use std::vector (or CArray) - not suitable because i want use MFC (CButton). Of course i can Attach() and later Detach() handle to window each time i need this window, but it will give big overhead. Solution 2: use std::vector or CArray or CList or... In this case i take care about making 'new' and appropriate 'delete' when control is unneeded. I am forgetful :) MFC handle map contains pointer to CButton and i can't use simple CArray, because it will move my objects each time when his size will grow. ... and the question is: Which collection i should use for containing variable count of MFC control classes?

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• Converting HTML to plain text in PHP for e-mail

  - by jstayton

  I use TinyMCE to allow minimal formatting of text within my site. From the HTML that's produced, I'd like to convert it to plain text for e-mail. I've been using a class called html2text, but it's really lacking in UTF-8 support, among other things. I do, however, like that it maps certain HTML tags to plain text formatting — like putting underscores around text that previously had <i> tags in the HTML. Does anyone use a similar approach to converting HTML to plain text in PHP? And if so: Do you recommend any third-party classes that I can use? Or how do you best tackle this issue? Thanks!

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• best way to externalize HTML in GWT apps?

  - by Limbic System

  What's the best way to externalize large quantities of HTML in a GWT app? We have a rather complicated GWT app of about 30 "pages"; each page has a sort of guide at the bottom that is several paragraphs of HTML markup. I'd like to externalize the HTML so that it can remain as "unescaped" as possible. I know and understand how to use property files in GWT; that's certainly better than embedding the content in Java classes, but still kind of ugly for HTML (you need to backslashify everything, as well as escape quotes, etc.) Normally this is the kind of thing you would put in a JSP, but I don't see any equivalent to that in GWT. I'm considering just writing a widget that will simply fetch the content from html files on the server and then add the text to an HTML widget. But it seems there ought to be a simpler way.

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• Circular Dependency Solution

  - by gfoley

  Our current project has ran into a circular dependency issue. Our business logic assembly is using classes and static methods from our SharedLibrary assembly. The SharedLibrary contains a whole bunch of helper functions, such as a SQL Reader class, Enumerators, Global Variables, Error Handling, Logging and Validation. The SharedLibrary needs access to the Business objects, but the Business objects need access to SharedLibrary. The old developers solved this obvious code smell by replicating the functionality of the business objects in the shared library (very anti-DRY). I've spent a day now trying to read about my options to solve this but i'm hitting a dead end. I'm open to the idea of architecture redesign, but only as a last resort. So how can i have a Shared Helper Library which can access the business objects, with the business objects still accessing the Shared Helper Library?

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• Programatically Create Controller in Rails

  - by Trey Bean

  What's the best way to dynamically create a controller in Rails. I've got a class that needs to generate a bunch of controller that inherit from it. I could just create a bunch of files in /app/controllers, but they'd all be basically empty files. There's got to be a way to generate these classes dynamically and have them treated like other controllers in Rails, e.g. reloaded correctly in dev mode. I tried putting this in a config/initializer: FL.contact_types.each do |contact_type| controller_name = "#{contact_type.pluralize}Controller" Object.const_set(controller_name.to_sym, Class.new(ContactsController)) unless Object.const_defined?(controller_name.to_sym) end This worked, but I run into the dependency/reload problem and get “A copy of AuthenticatedSystem has been removed from the module tree but is still active” since the ContactsController inherits from ApplicationController which includes AuthenticatedSystem. Is creating a bunch of empty files really the best solution?

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• Objective-C syntax

  - by mebFace

  I've been studying objective-c for a few days now. I keep coming across these two structures: NSString * somestring (NSString *) somestring I understand the first simply sets a pointer to an NSString object, but what does the second construct do, and when should I use it? What's the deal with the asterix marks? Sorry if this question doesn't make any sense, I am completely new to this language, and haven't even reached the level of asking proper questions. Main purpose -- I'm trying to decipher this method: -(NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger) row forComponent: (NSInteger)component *Also, the classes I chose don't matter. *

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• Are Multiple Iterators possible in php?

  - by artvolk

  Good day! I know that C# allows multiple iterators using yield, like described here: http://stackoverflow.com/questions/1754041/is-multiple-iterators-is-possible-in-c In PHP there is and Iterator interface. Is it possible to implement more than one iteration scenario for a class? More details (EDIT): For example I have class TreeNode implementing single tree node. The whole tree can be expressed using only one this class. I want to provide iterators for iterating all direct and indirect children of current node, for example using BreadthFirst or DepthFirst order. I can implement this Iterators as separate classes but doing so I need that tree node should expose it's children collection as public. C# pseudocode: public class TreeNode<T> { ... public IEnumerable<T> DepthFirstEnumerator { get { // Some tree traversal using 'yield return' } } public IEnumerable<T> BreadthFirstEnumerator { get { // Some tree traversal using 'yield return' } } }

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• Measuring code coverage for selenium tests that reside in separate project

  - by ilu

  I have two separate java maven projects: one is my web app itself and other one is tellurium+selenium automation tests for my web(I moved these tests to separate projects as their code doesnt really belong to the web app project code and doesnt use java classes of my web app, also I want to reuse some parts of those tests for testing my other web apps). Therefore, project where my tests reside doesnt know anything about my web app, except tellurium/selenium conf files(host name, credentials, browser). So the question: is there any way to measure code coverage of my webb app backend that is invoked by my tellurium/sellenium tests that reside in separate project? Thanks in advance. Any help is highly appreciated.

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• Allow member to be const while still supporting operator= on the class

  - by LeopardSkinPillBoxHat

  I have several members in my class which are const and can therefore only be initialised via the initialiser list like so: class MyItemT { public: MyItemT(const MyPacketT& aMyPacket, const MyInfoT& aMyInfo) : mMyPacket(aMyPacket), mMyInfo(aMyInfo) { } private: const MyPacketT mMyPacket; const MyInfoT mMyInfo; }; My class can be used in some of our internally defined container classes (e.g. vectors), and these containers require that operator= is defined in the class. Of course, my operator= needs to do something like this: MyItemT& MyItemT::operator=(const MyItemT& other) { mMyPacket = other.mPacket; mMyInfo = other.mMyInfo; return *this; } which of course doesn't work because mMyPacket and mMyInfo are const members. Other than making these members non-const (which I don't want to do), any ideas about how I could fix this?

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• JAXB, Netbeans and Interface Insertion Plugin

  - by segolas

  Hi, I can't get my generated classes to implements any interface. This is my xml schema file: xmlns:jxb="http://java.sun.com/xml/ns/jaxb/" xmlns:ai="http://jaxb.dev.java.net/plugin/if_insertion" jxb:extensionBindingPrefixes="ai" <xs:element name="header"> <xs:annotation> <xs:appinfo> <ai:interfaces check="1"> utility.RuleInterface </ai:interfaces> </xs:appinfo> </xs:annotation> <xs:complexType> bla bla bla </xs:complexType> I checked the "Extension" option in the JAXB options and I hav added the xjc-if-ins.jar to the "Libraries" section of my project Properties. But the generated Header class doesn't implements the utility.RuleInterface. I can figure out what am I doing wrong... Is it something missing? Any idea? regards, Segolas

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