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  • The member [class] has no supported translation to SQL

    - by Code Sherpa
    Hi, I am getting the following error: Error Message:The member 'Company.ProductCore.Core.Domain.Account.Email' has no supported translation to SQL. My method looks like this: public Account GetAccountByEmail(string email) { Account account; using (WorkbookDataContext dc = _conn.GetContext()) { account = ( from a in dc.Accounts join em in dc.Emails on a.AccountId equals em.AccountId where a.Email.EmailAddress == email select a).FirstOrDefault(); } return account; } My Account class has a getter / setter that exposes Email: public Email Email { get { return _email; } set { _email = value; } } And my Email is a LINQ object. I have a feeling that the problem is that I am using a LINQ object for me Email property? I am new to LINQ and am not really sure why this is happening. Help appreciated, thanks...

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  • JSF managed bean question

    - by Nitesh Panchal
    Hello, I have one page which uses <ui:insert> called master.xhtml which uses one managedbean named MasterBean.java and its of viewScoped. It calls webservice and has all useful data which will be useful in master.xhtml as well as page which is built using master.xhtml (which uses <ui:include>). When i visit data.xhtml (which uses template as master.xhtml) and which uses managed bean as DataBean.java which is also of view scoped, how do i use MasterBean? If i directly use #{Masterbean.property}, won't it create a new instance again? or will it use the bean which is already in view scope? Also how do i use MasterBean in DataBean in such a way that existing MasterBean's instance is used in DataBean. I don't want new instance of MasterBean in DataBean. Thanks in advance. If i am not clear please let me know.

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  • JPA generic field

    - by m.ugues
    Hallo all Is it possible to persist a generic field? I have this property on an Entity class ... private T payload; ... T extends EventMessagePayload and public interface StringPayload extends EventMessagePayload{ String getPayload(); } In my application i persist the field only when is of String type and during the save operation all works great. When I read the object instead JPA try to create a String object but instead is a StringPaylod. Is there a way to intercept the creation and handle the object marshalling? Kind regards Massimo

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  • Removing object/array difference from different arrays [duplicate]

    - by Kay Singian
    This question already has an answer here: remove objects from array by object property 3 answers I have two JavaScript objects: object_1 = [ {'value': '9:00', 'text':'9:00 am', 'eventtime':'09:00:00' }, {'value': '9:30', 'text':'9:30 am', 'eventtime':'09:30:00' }, {'value': '10:00', 'text':'10:00 am', 'eventtime':'10:00:00' }, {'value': '10:30', 'text':'10:30 am', 'eventtime':'10:30:00' }, {'value': '11:00', 'text':'11:00 am', 'eventtime':'11:00:00' }, {'value': '11:30', 'text':'11:30 am', 'eventtime':'11:30:00' }, ]; object_2 = [ {'eventtime': '10:30:00'}, {'eventtime': '11:00:00'} ]; I want to remove the object in object_1 which has the same eventtime value and store it in a new array/object . Please help me do so, I cant find a solution to this. This will be the new array/object: object_new = [ {'value': '9:00', 'text':'9:00 am', 'eventtime':'09:00:00' }, {'value': '9:30', 'text':'9:30 am', 'eventtime':'09:30:00' }, {'value': '10:00', 'text':'10:00 am', 'eventtime':'10:00:00' }, {'value': '11:30', 'text':'11:30 am', 'eventtime':'11:30:00' }, ];

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  • Bind to a collection's view and just call ToString()

    - by womp
    I'm binding a GridView to a collection of objects that look like this: public class Transaction { public string PersonName { get; set; } public DateTime TransactionDate { get; set; } public MoneyCollection TransactedMoney { get; set;} } MoneyCollection simply inherits from ObservableCollection<T>, and is a collection of MyMoney type object. In my GridView, I just want to bind a column to the MoneyCollection's ToString() method. However, binding it directly to the TransactedMoney property makes every entry display the text "(Collection)", and the ToString() method is never called. I understand that it is binding to the collection's default view. So my question is - how can I make it bind to the collection in such a way that it calls the ToString() method on it? This is my first WPF project, so I know this might be a bit noobish, but pointers would be very welcome.

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  • How to make validation for a textbox that accept only comma(,) & digit in asp.net application?

    - by prateeksaluja20
    I am working on a website. I am using C# 2008. I want to make a text box that accept only numbers & comma(,). for example-919981424199,78848817711,47171111747 or there may be a single number like 919981424199. I was able to do one thing My text box only containing number by using this Regular Expression validation.in its property-Validation Expression i wrote "[0-9]+". This is working but now my requirement is to send bulk SMS & each number is separated by (,). I tried a lot but not getting the ans. so please help me to sort out this problem.

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  • Easiest way to merge two List<T>s

    - by Chris McCall
    I've got two List<Name>s: public class Name { public string NameText {get;set;} public Gender Gender { get; set; } } public class Gender { public decimal MaleFrequency { get; set; } public decimal MaleCumulativeFrequency { get; set; } public decimal FemaleCumulativeFrequency { get; set; } public decimal FemaleFrequency { get; set; } } If the NameText property matches, I'd like to take the FemaleFrequency and FemaleCumulativeFrequency from the list of female Names and the MaleFrequency and MaleCumulativeFrequency values from the list of male Names and create one list of Names with all four properties populated. What's the easiest way to go about this in C# using .Net 3.5?

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  • Passing dynamic parameter to a JavaScript function using innerHTML

    - by user958263
    I am having issues passing a dynamic parameter to a JavaScript function using innerHTML. Included below is the current code that I am using: var name = "test"; frm.innerHtml = '<button name="close" id="close" title="Cancel" type="button" onclick="closeTab('+name+');">Return</button>'; When I debug the code of the CloseTab() function, the parameter specified by the name variable is null. I believe there is a problem with the declaration of the value while modifying the innerHTML property. Any help would be greatly appreciated. Thanks

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  • [iphone] use NSString in other method?!

    - by user134282
    It's really embarrassing but i stuck on it for two hours of trial and error. I declared an NSString in the interface as: NSString *testString; Then i made a property and synthesized it. I allocate it in viewDidLoad with: testString = [[NSString alloc] initWithFormat:@"thats my value: %i", row]; If i want to get the value of the string in another method it always return (null). So the string is empty, but why? how do i make it accessible for every function inside of one class? So i don't want to make a global var just a "global variable inside the class" It's really confusing because as long as i code i never ran into this problem :( thanks a lot for helping me!

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  • Putting logic in ViewModel get'ers

    - by Yngvebn
    What do you think about putting Get-logic in the getters of a ViewModel? Something like: public class DummyViewModel { public int Id { get; set; } private DummyObject myObject; public DummyObject MyObject { get { if (MyObject == null) { DummyRepository repo = new DummyRepository(); myObject = repo.Get(Id); } return myObject; } } } Is this bad practice, or totally fine? I find my controllers getting really bloated by doing all the get-logic there, but I'm really torn as to where I should put it... My reason for doing it this way, is that I can pass the ViewModel to different types of view, and only the neccessary DB-lookup will be performed based on what property is requested.

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  • Adding interfaces that won't be actually used

    - by devoured elysium
    I currently have two interfaces(that I'll name here IA and IB): interface IA { int Width; int Height; ... } interface IB { int Width; int Height; ... } that share the same two properties: they both have a Width and a Height property. I was thinking if there is any point in defining an IMatrix interface containing a Width and Height properties: interface IMatrix { int Width; int Height; } The thing is that although they share both the same properties, I won't make use of polymorphism with IMatrix in any of my coding: i.e., there won't by any situation where I'll want to use an IMatrix, I'll just want to use IA and IB. Adding an IMatrix seems more like over-engineering than other thing, but I'd like to ask you guys what your opinion is on the matter. Thanks

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  • How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

    - by Joe Lencioni
    Using the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn. Here's the code I have so far: var canvas = document.getElementById('myCanvas'); if (canvas.getContext) { var c = canvas.getContext('2d'); c.globalAlpha = 0; var img = new Image(); img.onload = function() { c.drawImage(img, 0, 0); } img.src = 'image.jpg'; } Will somebody please point me in the right direction like a property to set or a function to call that will change the opacity? Thanks!

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  • Passing class method as selector problem.

    - by Anoide
    Hi, I want to build a selector from a class method. I'm doing it this way: NavigationTreeActionHandler* handler=[NavigationTreeActionHandler self]; NavigationTreeNode* bombsNode=new NavigationTreeNode("Bombs","bigbomb.tif" ,handler,@selector(BigBombButtonPressed:)); I need to pass to NavigationTreeNode the target and the selector to the target method. I try to get the target using the self property of the class object (Don't know if htis is the correct way to do it). Then I get the selector for the class method I want to call on the class. Everything compiles ok but it fails when I use: [[handler class] instanceMethodSignatureForSelector:selector]; I get a nil and don't really know why... could anybody help please? Thanks in advance, Olson.

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  • Entity Framework 4 and 0:1, 0:1 relationships

    - by Eric J.
    I'm using the Model First approach with EF 4 and hit a snag with two tables, Participant (singular because pre-existing from another app) and ActiveParticipants. A Participant may or may not be associated with exactly one ActiveParticipant and vice versa. When I create an association, everything seems to go well on the surface, but then I get a runtime error complaining that Participant does not contain the column ActiveParticipant_Id. It does contain a column ActiveParticipantId (no underscore). When I view the diagram as XML, there's a line like this: <Property Name="ActiveParticipant_Id" Type="uniqueidentifier" Nullable="true" /> Why is it adding an underscore? Is there anything special I need to do for 0:1, 0:1 relationships?

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  • Passing a variable that can be updated

    - by Rob Bonner
    This seems like a simple thing, but can't get it to work. I pass a variable into a UIViewController thourgh a standard property: [aViewController setProposedDate:proposedWorkLog.entryDate]; which is retained by the controller, and possible changed. I have verified that in the controller, the data is modified. But, after it is popped off the stack and I look in the calling view, the data has not been updated. Is there a way to pass this variable and have it retain the new value, or a way to pass back a response from a closing view controller? Thanks!

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  • .net: How do you feed a winform after clicking on a row of a datagridview of search form?

    - by odiseh
    I have a winform which is responsible for doing a search by some conditions that users enters and then selects the records from a Database. The search form has a data grid view which shows the result. After searching, user clikcs on a row of the datagridview and then another form (for example frmShowDetails) will be displayed. My question is when displaying frmShowDetails, what are your suggestions to send the id of selected row to frmShowDetails in order to feed it to show data in .net? Do you use form property or a private mariable which sets by only form constructor? Thank you

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  • (WinForm/.net) Databind List Of Classes To A DataGridView. But Not Show Certain Public Properties

    - by Pyronaut
    I'm not even sure if i'm doing this correctly. But basically I have a list of objects that are built out of a class. From there, I am binding the list to a datagrid view that is on a Windows Form (C#) From there, it shows all the public properties of the object, in the datagrid view. However there is some properties that i still need accessible from other parts of my application, but aren't really required to be visible in the DataGridView. So is there an attribute or something similar that I can write above the property to exclude it from being shown. P.S. Im binding at runtime. So i cannot edit the columns via the designer. P.P.S. Please no answers of just making public variables (Although if that is the only way, let me know :)).

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  • onclick from an Object's button doesn't work

    - by 730
    I instantiate an object, with an argument which is a button. When the button of an instance is clicked, it should run a function, but it doesn't. In the full version of the code, Chrome gives this message in the console: "Uncaught TypeError: Cannot read property 'onclick' of undefined" HTML: <textarea id='txt' readonly rows='5' cols='40'></textarea> <button id='btn' type='button'>click</button> JS: var btn = document.getElementById('btn'); var txt = document.getElementById('txt'); var foo = new Foo(btn); function Foo(btn) { this.button = btn; } Foo.prototype.buy = function() { txt.value = 'Foo Bar'; }; Foo.button.onclick = function() { foo.buy(); }; Fiddle

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  • .Net Compact Framework - is there any way in the SerialPort class to set the RTS control to TOGGLE ?

    - by egapotz
    Hi, I found very annoying the fact that the SerialPort class in the .NET Framework doesn't allow to set the rts control to TOGGLE. There is a property called RTSEnable that lets me control directly the status of the RTS signal, but in a Compact Framework app there is not much precision to make it work well. Another solution can be to write a class that calls unmanaged APIs and set the rts control via the DCB structure, but I don't like it since I am using some external libraries that need to reference to a SerialPort instance. Have you any other idea ? Thanks !

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  • Is it possible to get download progress of video/image in HTML5 ?

    - by Janusz
    Hello, Almost every flash player has an option to display how much of buffer (or % of total video) is downloaded to the client. At the moment I don't see it in any implementation of html5 video player. The real problem I am trying to solve is to have a way of knowing % of downloaded asset (image/swf/video whatever). In flash its easy by using MovieClipLoader and bytesLoaded property. Is there any way of doing it in HTML/HTML5/Javascript (without relying on Flash) ? Thanks!

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  • Why does set key not do anything in AES/SymmetricAlgorithm?

    - by acidzombie24
    This MESSED ME UP hard. I thought i was setting the key but i was not. No exceptions, nothing happen except bad results. Why is there a setter if everything is ignored and no exceptions are thrown when i attempt to write? What is the point of the setter on the Keys property? When i do the below Key value are not changed. After an hour when i realize what was happening i wrote the loop to verify. I also tried aes.Key[0] = val; var b = val == aes.Key[0]; (and messed with it in immediate mode). Why does it have this behavior? Array.Copy(myKey, aes.Key, aes.Key.Length); int i = 0; foreach (var v in aes.Key) { var b = myKey[i++] == v; if (!b) b = b; }

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  • Having a problem with simple bool

    - by Code
    Hi guys, I've some really simple code that checks if my bool is == YES but it does not ever enter. NSLog(@"boool %d",self.arrayAlreadyPopulated ); if (self.arrayAlreadyPopulated == YES) { Match *aMatch = [appDelegate.matchScoresArray objectAtIndex:(numMatchCounter)]; aMatch.teamName1 = TeamNameHolder; } else { Match *aMatch = [[Match alloc] init]; aMatch.teamName1 = TeamNameHolder; [appDelegate.matchScoresArray addObject:aMatch]; [aMatch release]; } The debug at the top says that the value of self.arrayAlreadyPopulated is 1 on the 2nd pass as it should be. But it never enters the first first part but jumps down to the 'else' I cant see for the life of me what the problem is. -.- Anybody able to clue me in? Thanks -Code EDIT declaration code int theCounterCauseABoolWontWork; @property (nonatomic) int theCounterCauseABoolWontWork; @synthesize theCounterCauseABoolWontWork;

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  • Outlook 2007 plugin

    - by JL
    I am about to embark on my first outlook 2007 plugin. I would like to create a new tool bar that will have a button that will initially be disabled. When the user selects a message the button should be enabled... but only if the email is of a certain type of email... This is where I need your expert advice, is there a way to quickly flag an email in outlook, so that in the email select event you can look for a property of that email... for example... on_select if mail.type = "FromISP" then I would prefer not to use the from field.... the other thing is during the send process I need to set the flag, I am doing this again using .net so I have full control over how the mail is created. Any ideas would help... Thanks

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  • iOS: Releasing Object Thats In Use (ARC)

    - by RileyE
    I have an object that I have created that subscribes to some NSNotificationCenter notifications, but it is being released, since I don't have a pointer to the instantiation. The instantiation has a delegate that will call a method back to another class I have, so I felt it unnecessary to also have a pointer to it, since the pointer doesn't serve any purpose. Basically, I have an instantiation of a class, DelegateListener (name is just for example purposes), which subscribes to some of the default NSNotificationCeneter's notifications. This instantiation isn't assigned to any pointer after the instantiation ends. The instantiation, however, has a property, delegate. I assign a value to that delegate during the instantiation. That delegate implements methods that I want the DelegateListener to call when the notifications that it subscribed to fire. The problem with this is that the instantiation of DelegateListener that I create gets released, unless if I assign it to a retained pointer. Is there a way to avoid this automatic release of my DelegateListener instantiation within ARC?

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  • BCB: how to get the (approximate) width of a chartacter in a given TFont?

    - by mawg
    It's a TMemo, not that that should make any difference. Googling suggests that I can use Canvas->TextWidth() but those are Delphi examples and BCB doesn't seem to offer this property. I really want something analgous to memo->Font->Height for width. I realize that not all fonts are fixed width, so a good estimate will do. All that I need is to take the width of a TMemo in pixels and make a reasonable guess at how many characters of the curretn font it will hold.

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