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  • Objective-C property getter

    - by Daniel
    What is technically wrong with the following: @property(nonatomic, assign) NSUInteger timestamp; @property(nonatomic, readonly, getter = timestamp) NSUInteger startTime; @property(nonatomic, assign) NSUInteger endTime; I am sure I can find a better way to organise this, but this is what I ended up with at one point in my project and I noticed that accessing the startTime property always returned 0, even when the timestamp property was set to a correct timestamp. It seems having set the getter of startTime to an existing property (timestamp), it is not forwarding the value of timestamp when I do: event.startTime => 0 event.timestamp => 1340920893 All these are timestamps by the way. Just a reminder, I know the above should have happened in my project but I don't understand why accessing startTime doesn't forward onto timestamp property. UPDATE In my implementation I am synthesising all of these properties: @synthesize timestamp, endTime, startTime; Please check an example object to use that demonstrates this at my gist on GitHub: https://gist.github.com/3013951

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  • Why doesn't my viewmodel properties get populated

    - by Jakob
    Hi. I've looked all over and I can't figure out why my viewmodel doesn't get populated. I have this code: Followers = new ObservableCollection<aspnet_User>(_followersRepo.aspnet_Users); _followersRepo.Load(_followersRepo.GetUsersFollowingIDQuery(CurrentUserId)); Following = new ObservableCollection<aspnet_User>(_followingRepo.aspnet_Users); _followingRepo.Load(_followingRepo.GetUsersFollowedByIDQuery(CurrentUserId)); CurrentUser = _fullUserRepo.FullUsers.SingleOrDefault(); _fullUserRepo.Load(_fullUserRepo.GetFullUserByIDQuery(CurrentUserId)); But when I debug, there is no data loaded to the Followers, Following and CurrentUser objects. I know that data should be returned because I'm trying to implement the MVVM pattern in my app, and haven't changed the domainservice. Also I can se debugging the CurrentUserId has a value.

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  • Struts 2 - Accessing different properties on the ValueStack sharing the same name

    - by veggen
    Struts 2 will resolve all property names during view rendering against the top object in the ValueStack first. But how can one access a property with the same name on the object lower on the stack? Example: Let's say I have an Action class called MyAction and it has a a logDate property. In the view rendered after this action is invoked, there's this: Now imagine a User object also has a logDate property. During the iteration, Struts 2 will always push the current user object to the top of the ValueStack effectively resolving all property names against it. But, what if I wanted to access logDate from the action? What's the correct way to do this?

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  • ASP.NET MVC 2 model properties binding order

    - by bniwredyc
    Is there a way to change order in which the default binder binds property values of model? For example I have model class A: class A { public string A1 {get; set;} public string A2 {get; set;} } and action DoSomethig: public ActionResult DoSomething(A model) { ... } I want that A2 property has been bound before the A1 property. Is it possible? Or I need to write custom binder?

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  • Nested Lambdas in wxHaskell Library

    - by kunkelwe
    I've been trying to figure out how I can make staticText elements resize to fit their contents with wxHaskell. From what I can tell, this is the default behavior in wxWidgets, but the wxHaskell wrapper specifically disables this behavior. However, the library code that creates new elements has me very confused. Can anyone provide an explanation for what this code does? staticText :: Window a -> [Prop (StaticText ())] -> IO (StaticText ()) staticText parent props = feed2 props 0 $ initialWindow $ \id rect -> initialText $ \txt -> \props flags -> do t <- staticTextCreate parent id txt rect flags {- (wxALIGN_LEFT + wxST_NO_AUTORESIZE) -} set t props return t I know that feed2 x y f = f x y, and that the type signature of initialWindow is initialWindow :: (Id -> Rect -> [Prop (Window w)] -> Style -> a) -> [Prop (Window w)] -> Style -> a and the signature of initialText is initialText :: Textual w => (String -> [Prop w] -> a) -> [Prop w] -> a but I just can't wrap my head around all the lambdas.

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  • Localizing formatting functions instead of properties in VS.NET resources

    - by LexL
    I noticed that .NET framework uses formatting functions, generated the same way localizable string are. There is a resource file Resources.resx with resource string TestString. So you may use it in code like this: string localizableValue = Resources.TestString; Now, imagine you need a formattable localizable string, to use it in string.Format function. So everytime you use it, you have to write something like this: string localizableFormattedValue = string.Format(Resources.TestFormatString, someParam1, someParam2); The observation says that in .NET framework generated resource classes already include the above construction. So instead of string property, a string function is generated. The resulting code looks like this: string localizableFormattedValue = Resources.TestFormatString(someParam1, someParam2); The question is - how do they do this? Is it some custom Microsoft feature (resx generator) or I'm missing something obvious?

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  • jaxb: How can I bind nested element

    - by user368532
    There is my xml: <parent> <children> <child>1</child> <child>2</child> </children> </parent> I want to have the following Parent class: @XmlRootElement Parent{ @XmlElement(name="children/child") List<Child> children; } I don't want to have class for element 'children'. How should I map field children ?

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  • Search for values in nested array

    - by dardub
    I have an array as follows array(2) { ["operator"] => array(2) { ["qty"] => int(2) ["id"] => int(251) } ["accessory209"] => array(2) { ["qty"] => int(1) ["id"] => int(209) } ["accessory211"] => array(2) { ["qty"] => int(1) ["id"] => int(211) } } I'm trying to find a way to verify an id value exists within the array and return bool. I'm trying to figure out a quick way that doesn't require creating a loop. Using the in_array function did not work, and I also read that it is quite slow. In the php manual someone recommended using flip_array() and then isset(), but I can't get it to work for a 2-d array. doing something like if($array['accessory']['id'] == 211) would also work for me, but I need to match all keys containing accessory -- not sure how to do that Anyways, I'm spinning in circles, and could use some help. This seems like it should be easy. Thanks.

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  • Dojo's nested BorderContainer disappear in IE

    - by h4b0
    I have this terrible problem with IE 7/8/9. I wrote an app using Dojo toolkit 1.8.0 and Play! framework. It works fine in all browser except for IE. Its 'developers tools' show no error, so does firebug. The problematic code section is here: <div data-dojo-type="dijit.layout.BorderContainer" data-dojo-props="design: 'headline'"> <div data-dojo-type="dijit.layout.ContentPane" id="head" region="top"> </div> <div data-dojo-type="dijit.layout.BorderContainer" data-dojo-props="region: 'center'"> <div data-dojo-type="dijit.layout.ContentPane" id="menu" region="left"> </div> <div data-dojo-type="dijit.layout.BorderContainer" data-dojo-props="region: 'center'"> <div data-dojo-type="dijit.layout.ContentPane" id="content_1" region="top"> </div> <div data-dojo-type="dijit.layout.ContentPane" id="content_2" region="bottom"> </div> </div> </div> <div data-dojo-type="dijit.layout.ContentPane" id="foot" region="bottom"> </div> </div> The result, in all browsers except for IE is like that: But in IE it is shown like that: Can anyone explain why there are such differences? At first I thought that in IE content is hidden, so I set overflow: auto, but no scrollbar appeared after page load.

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  • nested sql statements

    - by Hadad
    Hello, I've a self join table when I delete or update it's id I want to delete or update all the direct and indirect affected records SQL server does not allow this type of cycle cascading I've decided to use triggers but this triggers will file recursively and they will be terminated at 34 level and I don't know the depth of records and event I disable the trigger and re enable it after completing the process how can I construct a SQL statement that achieve this logic?

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  • Tiny MCE how to get a tag properties?

    - by Yuru
    Im using tinymce for text formating. I have html code like <span class="ps_bonus_text_wide_t" style="font-family: Michroma;">my text</span>. when i select that text and class="ps_bonus_text_wide_t" i need to change it to <div class="effect"><span class="ps_bonus_text_wide_t" style="font-family: Michroma;">my text</span></div>. How i can to verify class="ps_bonus_text_wide_t" ?

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  • How do I branch if message.properties-code exists

    - by skurt
    I want to branch if a message-property-code does exist or not. <g:if test="${message(code: 'default.code.foo')}"> true </g:if><g:else> false </g:else> should answer true if there a message property named default.code.foo and false if not. It fails because it answers the code if there is no property for it.

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  • Javascript object properties access functions in parent constructor?

    - by Bob Spryn
    So I'm using this pretty standard jquery plugin pattern whereby you can grab an api after applying the jquery function to a specific instance. This API is essentially a javascript object with a bunch of methods and data. So I wanted to essentially create some private internal methods for the object only to manipulate data etc, which just doesn't need to be available as part of the API. So I tried this: // API returned with new $.TranslationUI(options, container) $.TranslationUI = function (options, container) { // private function? function monkey(){ console.log("blah blah blah"); } // extend the default settings with the options object passed this.settings = $.extend({},$.TranslationUI.defaultSettings,options); // set a reference for the container dom element this.container = container; // call the init function this.init(); }; The problem I'm running into is that init can't call that function "monkey". I'm not understanding the explanation behind why it can't. Is it because init is a prototype method?($.TranslationUI's prototype is extended with a bunch of methods including init elsewhere in the code) $.extend($.TranslationUI, { prototype: { init : function(){ // doesn't work monkey(); // editing flag this.editing = false; // init event delegates here for // languagepicker $(this.settings.languageSelector, this.container).bind("click", {self: this}, this.selectLanguage); } } }); Any explanations would be helpful. Would love other thoughts on creating private methods with this model too. These particular functions don't HAVE to be in prototype, and I don't NEED private methods protected from being used externally, but I want to know how should I have that requirement in the future.

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  • Accessing primitive properties from objects stored in a NSDictionary

    - by ChrisS
    Apologies if this is a basic question, I am just starting with Objective-C and trying to wrap things around in my head! I have a simple class of the form: @interface Whatever : NSObject { int somePrimitive; SomeObject* someObject; } @property (nonatomic) int somePrimitive; @property (nonatomic, retain) SomeObject* someObject; The class is more involved that this, but this illustrates the purpose. When I store instances of this class in a NSMutableDictionary: Whatever *whatever = [[Whatever alloc] init]; whatever.somePrimitive = 1; whatever.someObject = ...; [myDictionary setObject:whatever forKey:@"someKey"]; and then try to retrieve the object later: Whatever *result = [myDictionary valueForKey:@"someKey"]; then, result.someObject is ok to reference but, result.somePrimitive crashes. Does the NSDictionary not copy over the primitives of the object? Is the rule that the object stored in a dictionary should only contain objects?

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  • nested list comprehension using intermediate result

    - by KentH
    I am trying to grok the output of a function which doesn't have the courtesy of setting a result code. I can tell it failed by the "error:" string which is mixed into the stderr stream, often in the middle of a different conversion status message. I have the following list comprehension which works, but scans for the "error:" string twice. Since it is only rescanning the actual error lines, it works fine, but it annoys me I can't figure out how to use a single scan. Here's the working code: errors = [e[e.find('error:'):] for e in err.splitlines() if 'error:' in e] The obvious (and wrong) way to simplify is to save the "find" result errors = [e[i:] for i in e.find('error:') if i != -1 for e in err.splitlines()] However, I get "UnboundLocalError: local variable 'e' referenced before assignment". Blindly reversing the 'for's in the comprehension also fails. How is this done? THanks. Kent

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  • Nested for-loop, searching files

    - by user2961510
    I have two files: filetest.txt ============ SSISPACKAGE1.dtsx SSISPACKAGE2.dtsx SSISPACKAGE3.dtsx SSISPACKAGE4.dtsx SSISPACKAGE5.dtsx SSISPACKAGE6.dtsx SSISPACKAGE7.dtsx SSISPACKAGE8.dtsx filetest2.txt ============= \\central_test_server\SSIS_Packages\Daily.bat \\central_test_server\SSIS_Packages\Weekly.bat \\central_test_server\SSIS_Packages\Monthly.bat \\central_test_server\SSIS_Packages\Quarterly.bat \\central_test_server\SSIS_Packages\SemiAnnually.bat \\central_test_server\SSIS_Packages\Annually.bat What I need is to cycle through filetest.txt, then search the files identified in filetest2.txt for the filename and output to a file the results. I am trying to identify in well over 100 bat files where each of about 100 SSIS Packages are running. I'm doing this in Windows batch, have tried about 20 various approaches without success - any help would be greatly appreciated.

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  • Loading Nested JS Files on the Page

    - by Aidin
    Hi, I have a JS file that is dependent to another Js file. this Js file is something like this (Common.js) //Some codes here window.onload = PageLoad; //some codes here and then I implement PageLoad function in another Js file. ( I do this because every page has its own PageLoad implementation) and I Load these files like this on my Main.aspx : `<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">` `<\script language="javascript" type="text/javascript" src="PagesJS/pgeMain.js"></script>` `<\script language="javascript" type="text/javascript" src="JS/Common.js"></script>` ... ... `</asp:Content>` Every thing works fine on local but when I deploy it, sometimes I get PageLoad undefined Error! Can any one tells me what is wrong with this? Thanks. Aidin

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  • difference between where and nested queries

    - by Chris H
    I'm not able to figure out the difference between these queries. I'm pretty sure that the first one is an equi-join. I'm not sure how the second one ISN'T the same as the first. The sub query in #2 selects all Ids from S, and then it returns all R's that also have those ID's, no? SELECT R.cname FROM R, S, WHERE R.Id = S.Id SELECT R.cname FROM R WHERE R.Id IN (SELECT S.Id FROM S)

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  • Finding all properties of a javascript class

    - by uzay95
    I have classes looks like below: function Student(name, surname, lossons){ this.Name = name; this.Surname = surname; this.Lessons = lessons; } function Lesson(){ this.Name = name; this.studentCount = count; } And i want to write ToString method to them. But i don't want to write and add them one by one. Is there any way to do this like reflection in C# or Java ? Any help would be appreciated...

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  • What is the best way to create derived properties

    - by user342788
    I have a datamodel with to-many to-many relations. Using the example of employee database let say the entity division is related to department which in turn is related to employee. The employee has an attribute salary. How best to have a attribute at the level of division which is derived from the salary attribute. For example average salary or maximum salary. I would need those attributes to sort the list of departments.

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  • How Can I Accept a Generic Class and Use Its Properties / Methods

    - by Blake Blackwell
    I want to create a class that could hold any of a number of same type of classes. For example lets says I have a base class like follows: public class BaseClass { public string MyBaseString { get; set; } } And then I have a few derived classes like this: public class DerivedClass : BaseClass { public MyDerivedClassString { get; set; } } public class DerivedClass2 : BaseClass { public MyDerivedClass2String { get; set; } } Now I would like a class that accepts one of these implementations and does stuff with it. Here is the only thing I can think of, but there must be a better way: public class ClassA { public object MyClass { get; set; } public ClassA (object myClass) { MyClass = myClass; if (object is BaseClass) { //do something } else if (object is DerivedClass) { //do something specific to derived class } else if (object is DerivedClass2) { //do something specific to derived class 2 } } } I'm not sure really what I'm looking for here. Any ideas would be great!

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