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• Issues using UITapGestureRecognizers in Interface Builder

  - by 5StringRyan

  I'm attempting to use the UITapGestureRecognizer object that can be found in Interface Builder. I've dragged a single "UITapGestureRecognizer" from the object library to a single view xib. I then create an IBAction method from this tap gesture, for a simple test, I'm just printing an "NSLog" message to the console once there is a tap on the view. I've run this, and the tap method isn't being called. I right click the view in IB and I noticed that there is a warning "!" on the view's "Outlook Collections" I see: Outlook Collections gestureRecognizers - Tap Gesture Recognizer (!) The warning states: UIView does not have an outlet collection named gestureRecognizers. What do I need to do to remedy this?

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• ASP.NET Forms automation/serialization/binding

  - by creo

  I need to implement many forms in ASP.NET application (for IRS mostly). There are will be a lot of standard controls for each form (textboxes, dropdowns, checkboxes, radio). And business entity assigned to each. What's the best solution to automate this process? I need to: Have layout stored in DB (in XML). Layout must support several columns, tabbed interface Automatically bind business object values to the form Automatically read form values and write to business object Must support automatic validation Some basic workflows support would be good I used to work with TFS and saw how they implemented WorkItem templates (.wit files). In general this is all I need. But what framework did they build it on? How can I utilize this solution? I know about Dynamic Data only: http://www.asp.net/dynamicdata

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• how to set Custom attribute of NSManagedObject which is calculated from other attributes ?

  - by Kundan

  I am using core data framework to manage objects.i have an entity which has several attributes of decimal types. Among them is attribute which is mathematically calculated from other attributes. Ex :- @interface Marks : NSManagedObject { } @property (nonatomic, retain) NSDecimalNumber * answerGradeA; @property (nonatomic, retain) NSDecimalNumber * answerGradeB; @property (nonatomic, retain) NSDecimalNumber * answerGradeC; @property (nonatomic, retain) NSDecimalNumber * total; Here i want attribute total = 3xanswerGradeA + 2xanswerGradeB + 1xanswerGradeC if it is possible to do like this, then how ? please reply. Thanks in advance.

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• fopen in C(Linux) returns "Too many open files"

  - by liv2hak

  static char filename[128] = "trace.txt"; g_file = fopen(filename, "w"); if(NULL == g_file) { printf("Cannot open file %s.error %s\n",filename,strerror(errno)); exit(1); } I am trying to open a empty text file named trace.txt in write mode (in my working directory.) The program is creating an empty file trace.txt in my directory.but the check (NULL == g_file) is returning true and it is returning error code 24 (Too many open files.).Any idea why this is.This is the first file I am opening in my program.

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• how can we pass the variable into the function via url?

  - by subodh

  I have designed a asp.net page which create graphs. I have written a class file (which contain a function to render the graph,a function for entering data named insertdata(string[] s,double[] d)) in App_code folder. I pass the value into the insertdata during page load_event. I saw a feature of googlechart.when you pass the value in url address bar it will create a graph according to that passed value. how can i pass the value into the insertdata() function through url address? can anybody help me?

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• DllImport Based on OS Platform

  - by Ngu Soon Hui

  I have a mixture of unmanaged code ( backend) and managed code ( front end), as such, I would need to call the unmanaged code from my managed code, using interop techniques and DllImport attribute. Now, I've compiled two versions of unmanaged code, for both 32 and 64 bit OS; they are named service32.dll and service64.dll respectively. So, in my .Net code, I would have to do a DllImport for both dlls: [DllImport(@"service32.dll")] //for 32 bit OS invocation public static void SimpleFunction(); [DllImport(@"service64.dll")] //for 64 bit OS invocation public static void SimpleFunction(); And call them depending on which platform my application is running on. The issue now is that for every unmanaged function, I have to declared it twice, one for 32 bit OS and one for 64 bit OS. This is a duplication of work, and everytime I change the signature of an unmanaged function, I have to modified it in two places. Is there anyway that I can change the argument in DllImport so that the correct dll will be invoked automagically, depending on the platform?

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• log4j relative file path

  - by Bob

  Hi, I'd like my web app to log into files with this path: webapp/logs/ I can set the absolute path in the log4j.properties file, but the production environment's directory structure will be different. Is there any way I could do it? Here is how I do: log4j.appender.f=org.apache.log4j.RollingFileAppender log4j.appender.f.layout=org.apache.log4j.PatternLayout log4j.appender.f.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n log4j.appender.f.File=log.out log4j.appender.f.MaxFileSize=100KB This is printing logs into a file named log.log in my eclipse directory (c://eclipse). I'm using Tomcat 6.

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• jQuery resetting value of form input when hidden

  - by RyanP13

  Hi, I am trying to clear the value attribute of an 'Other' form input when it is hidden from the user like so: // hide 'Other' inputs to start $('.jOther').hide(); // event listener on all select drop downs with class of jTitle $("select.jTitle").change(function(){ //set the select value var $titleVal = $(this).val(); if($titleVal != 'Other') { $(this).parent().find('.jOther').hide(); $(this).parent().find('input.jOther').attr("value", ""); } else { $(this).parent().find('.jOther').show(); } // Sets a cookie with named after the title field's ID attribute var $titleId = $(this).attr('id'); $.cookies.set('cpqb' + $titleId, $titleVal); }); It doesn't seem to be working and i have tried the following to no avail as well: $(this).parent().find('input.jOther').val(""); I have managed to alter other attributes in this way, such as the name, maxlength etc. Any ideas?

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• which toString() method can be used performance wise??

  - by Mrityunjay

  hi, I am working on one project for performance enhancement. I had one doubt, while we are during a process, we tend to trace the current state of the DTO and entity used. So, for this we have included toString() method in all POJOs for the same. I have now implemented toString() in three different ways which are following :- public String toString() { return "POJO :" + this.class.getName() + " RollNo :" + this.rollNo + " Name :" + this.name; } public String toString() { StringBuffer buff = new StringBuffer("POJO :").append(this.class.getName()).append(" RollNo :").append(this.rollNo).append(" Name :").append(this.name); return buff.toString(); } public String toString() { StringBuilder builder = new StringBuilder("POJO :").append(this.class.getName()).append(" RollNo :").append(this.rollNo).append(" Name :").append(this.name); return builder .toString(); } can anyone please help me to find out which one is best and should be used for enhancing performance.

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• Working effectively unit tests / Anyone tried the in-assembly approach?

  - by CodingCrapper

  I'm trying to re-introduce unit testing into my team as our current coverage is very poor. Our system is quite large 40+ projects/assemblies. We current use a project named [SystemName].Test.csproj were all the test code is dumped and organised to represent the namespaces using folders. This approach is not very scalable and makes it difficult to find tests. I've been thinking about added a Tests folder to each project, this would put the unit tests "in the developers face" and make them easy to find. The downside is the Production release code would contain references to nunit, nmocks as well as the test code and test data.... Has anyone tried this approach? How is everyone else working with unit tests on large projects? Having a Tests project per "real" project/assembly would introduce too many new projs. Thanks in advance

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• Looking for an algorithm in vb.net or c# but I don't know it's name!

  - by Jules

  I'll do my best to explain what the algorithm is supposed to do: There's a class 'Recipe'. Each Recipe can include other Recipes but cannot include itself or any other Recipe that includes it. So, a simple example is we have just two Recipes A & B. If A adds B first, then later on B cannot add A because it will cause a loop. A more complicated example is: A,B,C (1) Recipe C Adds B (2) Recipe B Adds A (3) Recipe A attempts to add C, but can't because of the relationship. C - B - A. I can do this myself, I just wondered if this was a standard named algorithm and I could grab the optimal solution. Thanks

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• Applescript: Tell by Variable dilemma

  - by Johnny Grass

  I would like to do this: tell application "Finder" to set appName to (application file id "com.google.Chrome") as text using terms from application appName tell application appName to get URL of active tab of first window end using terms from This doesn't work because "using terms from" requires an application name as a string constant. If i substitute this line: using terms from application appName with this one using terms from application "Google Chrome" it works. However I don't want to rely on the target machine having the application named "Google Chrome". Using the bundle identifiers seems safer. Is there a better way to do this?

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• Core Data produces Analyzer warnings

  - by RickiG

  Hi I am doing the final touch ups on an app and I am getting rid of every compiler/analyzer warning. I have a bunch of Class methods that wrap my apps access to Core Data entities. This is "provoking" the analyzer. + (CDProductEntity*) newProductEntity { return (CDProductEntity*)[NSEntityDescription insertNewObjectForEntityForName:@"CDProductEntity" inManagedObjectContext:[self context]]; } Which results in an Analyzer warning: Object with +0 retain counts returned to caller where a +1 (owning) retain count is expected In the method that calls the above Class Method I have this: CDProductEntity *newEntity = [self newProductEntity]; Which results in an Analyzer warning: Method returns an Objective-C object with a +1 retain count (owning reference) Explicitly releasing or autoreleasing a Core Data entity is usually very very bad, but is that what it is asking me to do here? First it tells me it has a +0 retain count and that is bad, then it tells me it has a +1 which is also bad. What can I do to ensure that I am either dealing with a Analyzer hiccup or that I release correctly? Thanks in advance

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• C# How to create objects without class definitions?

  - by JL

  Is it possible to create objects at designtime without having to have hard coded class definitions, then populate properties with primitives or even strongly typed data types? This might sound confusing, so I will attempt to give you a use case scenario. Use case: You have an XML config file that could hold configuration values for connecting to various systems in an SOA application. In C# the XML file is read, but for each system the configuration properties are different (e.g: SQL might have a connection string, while SharePoint might need a username + password + domain + url, while yet an smtp server would need username + password + port + url) So instead of creating static classes as follows public class SharePointConfiguration or public class SQLConfiguration, then have each class with custom properties (this is cumbersome) or using a 1990's method, an arrayList or some named collection Is there not a more preferred way to achieve this? Taking advantage of new language features, that can still offer design time intellisense, which would make the code easier to maintain and less prone to error. Thanks

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• Using windows CopyFile function to copy all files with certain name format

  - by Ben313

  Hello! I am updating some C code that copys files with a certain name. basically, I have a directory with a bunch of files named like so: AAAAA.1.XYZ AAAAA.2.ZYX AAAAA.3.YZX BBBBB.1.XYZ BBBBB.2.ZYX Now, In the old code, they just used a call to ShellExecute and used xcopy.exe. to get all the files starting with AAAAA, they just gave xcopy the name of the file as AAAAA.* and it knew to copy all of the files starting with AAAAA. now, im trying to get it to copy with out having to use the command line, and I am running into trouble. I was hoping CopyFile would be smart enough to handle AAAAA.* as the file to be copied, but it doesnt at all do what xcopy did. So, any Ideas on how to do this without the external call to xcopy.exe?

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• How to view existing data in Core Data?

  - by mshsayem

  Well, may be this question is silly, but I couldn't find a way (except programmatically). I built a project (for iPhone OS 3.0) which uses Core Data. The xcdatamodel file shows the schema description, but I want to see the data in tabular form (like the management studio for mssql server or phpmyadmin for mysql). Is there any way (except coding)? What is that? Also, which file (in disk/device) those data are stored into? [ I built the tutorial (from apple) on Core Data, named Locations. They used this line somewhere in the code: NSURL *storeUrl = [NSURL fileURLWithPath: [[self applicationDocumentsDirectory] stringByAppendingPathComponent: @"Locations.sqlite"]]; But, I did not see any "xxxxx.sqlite" file in project location (nor in the disk).]

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• CoreData could not fulfill a fault when adding new attribute

  - by cagreen

  I am receiving a "CoreData could not fulfill a fault for ..." error message when trying to access a new attribute in a new data model. If I work with new data I'm ok, but when I attempt to read existing data I get the error. Do I need to handle the entity differently myself if the attribute isn't in my original data? I was under the impression that Core Data could handle this for me. My new attribute is marked as optional with a default value. I have created a new .xcdatamodel (and set it to be the current version) and updated my NSPersistentStoreCoordinator initialization to take advantage of the lightweight migration as follows: NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil]; NSError *error = nil; persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:[self managedObjectModel]]; if (![persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeUrl options:options error:&error]) { NSLog(@"Unresolved error %@, %@", error, [error userInfo]); abort(); } Any help is appreciated.

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• sIFR 2.0.7 scaling text instead of wrapping text

  - by frio80

  I am struggling over here. iSFR is scaling my text to fit on one line instead of wrapping. Why is this? Any help would be appreciated. // flash h2 headers sIFR.replaceElement(named({ sSelector:"h2.title, h3.title, #comments h2.comments", sWmode: "transparent", sFlashSrc:"sites/all/themes/smebranding/sifr/DIN_light.swf", sColor:"#333333" })); // CSS h3.title { font-size: 26px; line-height: 26px; color: white; overflow:hidden; height:26px; color: white; }

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• List of functions references

  - by Ockonal

  Hello, I'm using boost::function for making references to the functions. Can I make a list of references? For example: boost::function<bool (Entity &handle)> behaviorRef; And I need in a list of such pointers. For example: std::vector<behaviorRef> listPointers; Of course it's wrong code due to behaviorRef isn't a type. So the question is: how can I store a list of pointers for the function?

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• MVC 2 Beta DefaultControllerFactory with Areas

  - by stoto

  Why default factory WON'T return full name of the controllers (with namespaces)? I'm using Service Locator and autofac. using System.Web.Mvc; using Microsoft.Practices.ServiceLocation; namespace Application.Core.MVC { public override IController CreateController(System.Web.Routing.RequestContext requestContext, string **controllerName**) { return ServiceLocator.Current.GetInstance<IController>(controllerName); } } I had two home controllers (one under area Blog) http://localhost/Home http://localhost/Blog/Home controllerName return only "Home" without full qualified name for both in above code. This creates a problem when I try to regiser controllers' names for dependency injection. Here is how I register controllers right now according to this situation. Even this brings up the pages without exception. But When I access http://localhost/Home, both controllers invoked regardlessly. foreach (var tp in currentAssemblyControllersTypes) builder.Register(tp).FactoryScoped().Named(tp.Name.Replace("Controller", "")); Anyone can help?Thanks.

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• How do you set up your JScript (NOT JScript.NET) development environment?

  - by jJack

  In my environment, if I create a class in JScript syntax: class test{ } and then save it to a file named "test.js" and run it with wscript, I get a Microsoft JScript "Syntax error" at line 1. However, if I simply, say, write a function: function getInput() { var wshell = WScript.CreateObject("WScript.Shell"); wshell.Popup ("Do you want to continue?"); return userInput } getInput() and run it the same way, it works. Hopefully, there is something fundamentally wrong with my class definition. If that is the case, I am excited to find out.

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• How to set order of appearance for fields when using Html.EditorFor in MVC 2?

  - by Anrie

  I have the following classes in my Model: public abstract class Entity : IEntity { [ScaffoldColumn(false)] public int Id { get; set; } [Required,StringLength(500)] public string Name { get; set; } } and public class Model : SortableEntity { [Required] public ModelType Type { get; set; } [ListRequired] public List<Producer> Producers { get; set; } public List<PrintArea> PrintAreas { get; set; } public List<Color> Colors { get; set; } } To display the "Model" class in the view I simply call Html.EditorFor(model=model), but the "Name" property of the base class is rendered last, which is not the desired behaviour. Is it possible to influenece on the order of displayed fields somehow?

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• Making the #include square

  - by David

  I'm trying to write a makefile using CC on Solaris 10. [Only the first bit of that really matters, I think]. I have the following rule for foo.o: foo.o: foo.cc common_dependencies.h CC -c foo.cc -I../../common Unfortunately, common_dependencies.h includes all sorts of idiosyncratic trash, in directories not named '.' or '../../common' . Is this just going to have to be a brute force makefile where I ferret out all of the dependency paths? All of the dependencies are somewhere under '../..', but sometimes 1-level down and sometimes 2-levels down.

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• Djangobb problem

  - by Djero

  I've installed Djangobb app on my server (Debian, mod_python) by cloning original source. The only things I've changed is database options in settings.py. All needed components are installed - syncdb query was executed right. But, when I'm trying to enter on my forum, it returns me error: ImproperlyConfigured: Error importing middleware django_authopenid.middleware: "No module named djangobb_forum.subscription" I've checked - djangobb_forum/subscription.py exist, so I don't know what can be wrong. Maybe someone had problems like that and know how to fix it? Sorry for my english.

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• How to use Zend_Controller_Action_HelperBroker::addPath to add helpers

  - by manyxcxi

  I'm just starting out with Zend Framework and am having issues using the addPath to add helpers. I'm not sure if my classes are named incorrectly, I'm giving it the wrong prefix, or what I'm doing wrong so I will post the code and file structure and get out of the way. In Bootstrap.php public function __construct($application) { ... // This works with a manual include_once('../application/plugins/helpers/Csrf.php'); //Zend_Controller_Action_HelperBroker::addHelper(new Application_Controller_Action_Helper_Csrf()); // This isn't picking up my helper class automagically Zend_Controller_Action_HelperBroker::addPath('../application/plugins/helpers','Application_Controller_Action_Helper'); ... } In application/plugins/helpers/Csrf.php class Application_Controller_Action_Helper_Csrf extends Zend_Controller_Action_Helper_Abstract { ... } My directory tree / application/ ... plugins/ helpers/ Csrf.php CsrfProtect.php ...

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