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  • Cyclic References and WCF

    - by Kunal
    I have generated my POCO entities using POCO Generator, I have more than 150+ tables in my database. I am sharing POCO entities all across the application layers including the client. I have disabled both LazyLoading and ProxyCreation in my context.I am using WCF on top of my data access and business layer. Now, When I return a poco entity to my client, I get an error saying "Underlying connection was closed" I enabled WCF tracing and found the exact error : Contains cycles and cannot be serialized if reference tracking is disabled. I Looked at MSDN and found solutions like setting IsReference=true in the DataContract method atttribute but I am not decorating my POCO classes with DataContracts and I assume there is no need of it as well. I won't be calling that as a POCO if I decorate a class with DataContract attribute Then, I found solutions like applying custom attribute [CyclicReferenceAware] over my ServiceContracts.That did work but I wanted to throw this question to community to see how other people managed this and also why Microsoft didn't give built in support for figuring out cyclic references while serializing POCO classes

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  • What does: throw 0 do/mean? Is it "bad"?

    - by MartinP
    Context I came across some code, like this: if( Some_Condition ) throw 0; I googled a bit, and found a few other code snippets using that odd looking throw 0 form. I presume one would catch this as: catch(const int& e) { } Or is this a NULL ptr? to be caught as void* ? Question What does this throw 0 do? Is it special in some way? My normal preference would be to throw something that is (or derived from) std::exception. So to me this looks "bad". Is it "bad" ?

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  • Getting an odd error, MSSQL Query using `WITH` clause

    - by Aren B
    The following query: WITH CteProductLookup(ProductId, oid) AS ( SELECT p.ProductID, p.oid FROM [dbo].[ME_CatalogProducts] p ) SELECT rel.Name as RelationshipName, pl.ProductId as FromProductId, pl2.ProductId as ToProductId FROM ( [dbo].[ME_CatalogRelationships] rel INNER JOIN CteProductLookup pl ON pl.oid = rel.from_oid ) INNER JOIN CteProductLookup pl2 ON pl2.oid = rel.to_oid WHERE rel.Name = 'BundleItem' AND pl.ProductId = 'MX12345'; Is generating this error: Msg 319, Level 15, State 1, Line 5 Incorrect syntax near the keyword 'with'. If this statement is a common table expression, an xmlnamespaces clause or a change tracking context clause, the previous statement must be terminated with a semicolon. On execution only. There are no errors/warnings in the sql statement in the managment studio. Any ideas?

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  • javascript increment index in funciton

    - by mcgrailm
    I'm just trying to figure out how to create an index inside a function so I can keep track of the items its generating and I'm not sure how to do this seems like I should know this.. addLocation(options,location) funciton addLocation(options,location){ $('#list').append('<li class="location"><div>'+location.label+'</div>'+ '<input type="hidden" name="location['+x+'][lat]" value="'+location.lat+'" />'+ '<input type="hidden" name="location['+x+'][lon]" value="'+location.lon+'" />'+ '<input type="hidden" name="location['+x+'][loc]" value="'+location.loc+'" />'+ '<input type="hidden" name="location['+x+'][label]" value="'+location.label+'" />'+ '</li>'); } now normally you have a forloop to help you keep track of things but int this instance I'm not appending items in a loop and I keep getting an error saying x in undefined appreciate any help you can give thanks Mike

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  • How do I get the XAML comiler to use textual content property on custom classes?

    - by Duncan
    Given a simple C# class definition like: [System.Windows.Markup.ContentProperty("PropertyOne")] public class SimpleBase { public string PropertyOne { get; set; } public string PropertyTwo { get; set; } } why is it not possible to ommit the sys:string tags around the word Test in the xaml below. <custom:SimpleBase x:Class="TestType" xmlns:custom="clr-namespace:ConsoleApplication1;assembly=" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:sys="clr-namespace:System;assembly=mscorlib"> <sys:String>Test</sys:String> </custom:SimpleBase> Somehow the compiler correctly coverts text to string for the type String, why doesn't it work for my custom type? The context can be found on my blog: http://www.deconflations.com/?tag=xaml

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  • My helper methods in controller

    - by FancyDancy
    My app should render html, to answer when a user clicks ajax-link. My controller: def create_user @user = User.new(params) if @user.save status = 'success' link = link_to_profile(@user) #it's my custom helper in Application_Helper.rb else status = 'error' link = nil end render :json => {:status => status, :link => link} end My helper: def link_to_profile(user) link = link_to(user.login, {:controller => "users", :action => "profile", :id => user.login}, :class => "profile-link") return(image_tag("/images/users/profile.png") + " " + link) end I have tried such methods: ApplicationController.helpers.link_to_profile(@user) # It raises: NoMethodError (undefined method `url_for' for nil:NilClass) and: class Helper include Singleton include ApplicationHelper include ActionView::Helpers::TextHelper include ActionView::Helpers::UrlHelper include ApplicationHelper end def help Helper.instance end help.link_to_profile(@user) # It also raises: NoMethodError (undefined method `url_for' for nil:NilClass) In addition, yes, I KNOW about :helper_method, and it works, but i don't want to overload my ApplicationController with a plenty of that methods

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  • Error in PushNotification from iPhone Device

    - by Shibin Moideen
    Hi All, I am trying to do a sample project on the Apple the push notification. I created an AppID, done some terminal commands, and finally got a Provisional Certificate for do the same. I got the certificate installed on my device and SDK. Till now every thing goes fine. But when i try to run the app on the device.... it doesnt. It throws an error stating "Error from debugger:Error launching remote program:security policy error." Can any one help me to overcome this. Please Help needed. thanks in advance Shibin

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  • How to parse a text file and write the result to an xls file?

    - by Bk
    Hi all i am a junior level SQL developer. I have a situation where I have a text file with 1100 lines of a search result with each line containing a file path and a stored procedure associated with that file. Each line has a structure like the one below: abc\def\ghi\***.cs(40): jkl=******.*****.******, "proc_pqrst", parms); Where abc\def\ghi\***.cs is file path of the file ***.cs. The stored procedure names begin with proc_. I have to extract the ***.cs and the corresponding stored procedure name begining with proc_ and write them to a .xls file. Can some body help me in writing the parsing program to do this? Also can I get a detailed outline on where should I write the code for c# and where should I compile it? This could be a great help as I don't have any knowledge of C#. Thank you, BK.

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  • Method synonyms in Ruby

    - by Max
    I'm familiarizing myself with Ruby and it's the first time I see synonyms for methods in the standard library. For now I've found the ones in the Enumerable module: collect <- map detect <- find include <- member etc. Probably other modules contains synonymic methods too. Why are they there? Is it some kind of backward compatibility? Or is it a feature of the language, so the programmer can choose between different options depending on the context to make the program look like plain English?

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  • problem with sql job and datetime parameter

    - by geoff swartz
    Another developer created a stored procedure that is set up to run as a sql job each month. It takes one parameter of datetime. When I try to invoke it in the job or in just a query window I get an error "Incorrect syntax near ')'" The call to execute it is... exec CreateHeardOfUsRecord getdate() When I give it a hard coded date like exec CreateHeardOfUsRecord '4/1/2010' it works fine. Any idea why I can't use getdate() in this context? Thanks.

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  • SIFR Newbie: font display problem in non-flash browsers

    - by bullquartz
    Hi, I'm wondering if someone can help me with this as I'm fairly new to siFR and think there is something essential i'm not comprehending in the documentation. I'm having success using siFR 3 (r436) to render fonts and it's working just how I want. However if I turn flash off in any browser the original (no longer rendered) html text displays very badly indeed. I thought that in any non-flash browser my inital stylesheet would be referred to and not siFR.css and I would be able to adjust the html text as a seperate entity. I think i probably developed this bad idea because I remember in earlier siFR versions you had to mess around alot with stylings on the original stylesheet + the sifr-config so you would get corresponding line heights/widths etc between the html and rendered font. (i realise that siFR 3 renders the flash in a different way) So it seems that siFR.css controls both the non-flash text and the rendered font. Anyway my essential noob questions is: how do i get the the original html text to have the same dimensions as the rendered font? thanks for you help

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  • Finding text's bounding rect in Core Text

    - by Mo
    I'm trying to find the boundaries of a line of text in Core Text. For simplicity, assume it has a single character. At the moment I'm using the following method: line = CTLineCreateWithAttributedString(attrString); rect = CTLineGetImageBounds(line, context); It works most of the times, but for some characters, like math italic d (Unicode: 0x1D451) or math italic q (Unicode: 0x1D45E), the width is a bit short. I tried using CTLineGetTypographicBounds() or CTFramesetterSuggestFrameSizeWithConstraints, but they didn't help either (I think they use glyph's advance to find the width, not its graphical width.) As the font itself isn't italic, I also can't use slant angle to correct this. I tried accessing the glyphs directly and using CTFontCreatePathForGlyph(), but failed as CGGlyph and UniChar are both 16-bits and I need 32-bit characters. Does anyone know if I'm doing anything wrong? If so, what's the right way?

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  • Optimal preferences for prefix queries with Oracle catalog (CTXCAT) index

    - by nw
    The documentation for Oracle Text gives this example of a prefix/substring preference setting for context and catalog indexes: begin ctx_ddl.create_preference('mywordlist', 'BASIC_WORDLIST'); ctx_ddl.set_attribute('mywordlist','PREFIX_INDEX','TRUE'); ctx_ddl.set_attribute('mywordlist','PREFIX_MIN_LENGTH', '3'); ctx_ddl.set_attribute('mywordlist','PREFIX_MAX_LENGTH', '4'); ctx_ddl.set_attribute('mywordlist','SUBSTRING_INDEX', 'YES'); end; What I need to know is whether the substring_index attribute is necessary if I only ever issue prefix searches, such as: SELECT title FROM auction WHERE CATSEARCH(title, 'cam*', '') > 0; TITLE --------------- CANON CAMERA FUJI CAMERA NIKON CAMERA OLYMPUS CAMERA PENTAX CAMERA SONY CAMERA 6 rows selected

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  • ImageView doesn't rescale Image to selected size

    - by Buni
    I'm using a ImageView with a fixed size for adding an icon to a menu. In my application, I use it a lot of times, but on this ImageView the Layout Params seem to not work. Unlike the others ImageViews, in this case, I'm using a template directly, but I think that's not the problem. <?xml version="1.0" encoding="utf-8"?> <ImageView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="1dp" android:layout_height="1dp" android:scaleType="fitCenter" android:src="@drawable/ic_menu_moreoverflow_normal_holo_dark" android:contentDescription="ICON" /> Its been used in code as follows. ImageView iview =(ImageView) View.inflate(context, R.layout.icon, null); Theoretically, It should resize automatically the image, however, the images continues with the original size, although the size was 1dp. Where is the problem? Thanks a lot!

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  • reading excell file in vb.net

    - by Mark
    can anyone help me on how to know EOF of excel using vb.net? i have this code but it crash when i try delete the proceeding rows from row 6 to downward. my problem is, my code was still reading a null values of rows that i deleted in excel.. this is my code: Dim xlsConn As New OleDbConnection Dim xlsAdapter As New OleDbDataAdapter Dim xlsDataSet As New DataSet xlsConn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & pathName & " ; Extended Properties=Excel 8.0") strSQL = "SELECT * FROM [Sheet1$]" xlsAdapter.SelectCommand = New OleDbCommand(strSQL, xlsConn) xlsDataSet.Clear() xlsAdapter.Fill(xlsDataSet) ListView1.Items.Clear() Dim listItem As ListViewItem For ctr As Integer = 0 To xlsDataSet.Tables(0).Rows.Count - 1 listItem = ListView1.Items.Add(xlsDataSet.Tables(0).Rows(ctr).Item("EmpNo").ToString) listItem.SubItems.Add(xlsDataSet.Tables(0).Rows(ctr).Item("EmpName").ToString) Next Can anyone help me to fix this bugs!

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  • Understanding pattern matching with cons operator

    - by Mathias
    In "Programming F#" I came across a pattern-matching like this one (I simplified a bit): let rec len list = match list with | [] -> 0 | [_] -> 1 | head :: tail -> 1 + len tail;; Practically, I understand that the last match recognizes the head and tail of the list. Conceptually, I don't get why it works. As far as I understand, :: is the cons operator, which appends a value in head position of a list, but it doesn't look to me like it is being used as an operator here. Should I understand this as a "special syntax" for lists, where :: is interpreted as an operator or a "match pattern" depending on context? Or can the same idea be extended for types other than lists, with other operators?

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  • Navigation bar not displayed if Tabbar used in a view

    - by iPhoneDev
    Hello, My App is Navigation based template. Only one view requires Tab Bar. So I programmatically add a UITabBar in view as: tbc = [[UITabBarController alloc] initWithNibName:nil bundle:nil]; tbc.viewControllers = [NSArray arrayWithObjects:blueController, redController, nil]; tbc.selectedViewController = redController; [self presentModalViewController:tbc animated:YES]; But I am unable to get "Navigation Bar" at top in this view. Can any one help to know how I can have Tabs in bottom and navigation bar in top. Please help it I am not able to find the solution.

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  • How to debug and detect hang issue

    - by igor
    I am testing my application (Windows 7, WinForms, Infragistics controls, C#, .Net 3.5). I have two monitors and my application saves and restores forms' position on the first or second monitors. So I physically switched off second monitor and disabled it at Screen Resolution on the windows display settings form. I need to know it is possible for my application to restore windows positions (for those windows that were saved on the second monitor) to the first one. I switched off second monitor and press Detect to apply hardware changes. Then Windows switched OFF the first monitor for a few seconds to apply new settings. When the first monitor screen came back, my application became unresponsive. My application was launched in debug mode, so I tried to navigate via stack and threads (Visual Studio 2008), paused application, started and did not find any thing that help me to understand why my application is not responsive. Could somebody help my how to detect the source of issue.

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  • VBS Script for modifying multi-value Active Directory display specifier

    - by sh-beta
    Following the howto Extending the Active Directory Schema To Track Custom Info I'm able to setup a single-value schema attribute that is easily changeable via a context menu in ADUC. Multi-value schema attributes get considerably more complicated. Say (for the sake of argument) my value is "Projects" and each user may be a list as many projects as necessary. Following is a sad little script that will set Project to a single value: Dim oproject Dim oUser1 Dim temp1 Set oproject = Wscript.Arguments Set oUser1 = GetObject(oproject(0)) temp1 = InputBox("Project: " & oUser1.project & vbCRLF & vbCRLF & "Project") if temp1 <> "" then oUser1.Put "project",temp1 oUser1.SetInfo Set oUser1 = Nothing Set oproject = Nothing Set temp1 = Nothing WScript.Quit How can I modify this to allow, assign, and modify multiple values?

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  • nested page-faulting of user-space address in Linux

    - by shankar
    Hi, I would like to know if it is functionally wrong to page-fault a user-space address when kernel is running fault-handler to bring in a user-page. OS is Linux 2.6.30 Assume that both user-addresses are valid ( falling within vma , rw permission ) for the task. When I check the kernel code, i find that the kernel does not mind the nested fault if the faulted-addresses are valid and the fault did not occur in atomic-context or in irq handler. (I dont think the answer is cpu-specific, but I would add that i am interested in arm and mips ). eg : The scenario can happen if I print stack-data from page-fault handler. thanks shankar

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