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  • Repository Pattern: SaveOrUpdate() in Entity Framework and L2S

    - by JMSA
    These web articles uses separate Save() and Update() methods in the repository pattern. I am using repository pattern. How can I write a SaveOrUpdate() method in Entity Framework with the help of ObjectContext and in Linq-To-SQL with the help of DataContext? That is, how can I write a single method that shall do both save and update job?

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  • arrayListOutOfBoundsException... Please Help?

    - by Jacob
    This is my class Debugger. Can anyone try and run it and see whens wrong? Ive spent hours on it already. :( public class Debugger { private String codeToDebug = ""; public Debugger(String code) { codeToDebug = code; } /** * This method itterates over a css file and adds all the properties to an arraylist */ public void searchDuplicates() { boolean isInside = false; ArrayList<String> methodStorage = new ArrayList(); int stored = 0; String[] codeArray = codeToDebug.split(""); try { int i = 0; while(i<codeArray.length) { if(codeArray[i].equals("}")) { isInside = false; } if(isInside && !codeArray[i].equals(" ")) { boolean methodFound = false; String method = ""; int c = i; while(!methodFound) { method += codeArray[c]; if(codeArray[c+1].equals(":")) { methodFound = true; } else { c++; } } methodStorage.add(stored, method); System.out.println(methodStorage.get(stored)); stored++; boolean stillInside = true; int skip = i; while(stillInside) { if(codeArray[skip].equals(";")) { stillInside = false; } else { skip++; } } i = skip; } if(codeArray[i].equals("{")) { isInside = true; } i++; } } catch(ArrayIndexOutOfBoundsException ar) { System.out.println("------- array out of bounds exception -------"); } } /** * Takes in String and outputs the number of characters it contains * @param input * @return Number of characters */ public static int countString(String input) { String[] words = input.split(""); int counter = -1; for(int i = 0; i<words.length; i++){ counter++; } return counter; } public static void main(String[] args) { Debugger h = new Debugger("body {margin:;\n}"); h.searchDuplicates(); } }

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  • Ajax back button jquery - Need full example step by step.

    - by Latios88
    Hi. I need help supporting back button with jquery ajax.load method. I have tried a couple of plugins but i cant get any of them to work. I am loading my content like this: $('.pagination a').click(function(){ var url = $(this).attr('href'); ajaxLoad(url,null,'.container'); return false; }); Note: ajaxLoad function executes the jquery load method. Many thanks for your help.

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  • How to define a constant when running script/server?

    - by Zeke
    I want to start up my Rails development server like this: script/server OFFLINE_MODE=1 and have a method that checks for the presence of that constant: helper_method :offline_mode? def offline_mode? defined?(OFFLINE_MODE) ? true : false end so I can hide stuff in my app when I'm coding without access to the internet. For some reason though, OFFLINE_MODE doesn't ever seem to be defined and the method always returns false.. thoughts?

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  • Function Overloading

    - by Sanju
    Let us suppose i have these three methods defined: int F1(int, int); int F1(float, float); Float F1(int, int); and i am calling method F1 here: Console.writeline(F1(5,6).ToString())); Which method it will call and why?

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  • Can the .NET MethodInfo cache be cleared or disabled?

    - by Anton
    Per MSDN, calling Type.GetMethods() stores reflected method information in a MemberInfo cache so the expensive operation doesn't have to be performed again. I have an application that scans assemblies/types, looking for methods that match a given specification. The problem is that memory consumption increases significantly (especially with large numbers of referenced assemblies) since .NET hangs onto the method metadata. Is there any way to clear or disable this MemberInfo cache?

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  • help for splitting a string in javascript

    - by Hero
    Hi everyone... I'd asked a question about the splitting the a string like below: Input string: "a=aa| b=b||b | c=cc" and the output: a=aa b=b||b c=cc Kobi's answer was: var matches = "a=aa|b=b||b|c=cc".match(/(?:[^|]|\|\|)+/g) his answer was correct. But I need to use "split" method and save store the outputs in a array. so I can't use the Match Method. So please help me...

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  • Processing an XML file removes comments

    - by little
    This snippet <!--Please don't delete this--> is part of my xml file. After running this method, the resulting xml file does not contain this snippet anymore <!--Please don't delete this-->. Why is this? Here's my method: XmlSerializer serializer = new XmlSerializer(typeof(Settings)); TextWriter writer = new StreamWriter(path); serializer.Serialize(writer, settings); writer.Close();

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  • Is it possible to call the main(String[] args) after catching an exception?

    - by Jason
    I'm working on a Serpinski triangle program that asks the user for the levels of triangles to draw. In the interests of idiot-proofing my program, I put this in: Scanner input= new Scanner(System.in); System.out.println(msg); try { level= input.nextInt(); } catch (Exception e) { System.out.print(warning); //restart main method } Is it possible, if the user punches in a letter or symbol, to restart the main method after the exception has been caught?

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  • color code in X/HTML , CSS..

    - by jitendra
    In how many ways we can give color info in X/HTML, css? I know some Hex color name rgba is there any other method? and which method is preferred to use and which not? Please give explanation. And what is the means of web-safe colors?

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  • how to close a child browser in c# or WatiN?

    - by user177060
    I want to close the child window which is of "Browser" type. Have a look at the below code. WatiN.Core.Browser openBrowser = BrowserType.getBrowserObject().attachChildBrowser(document_name + Constants.open_document_title); I want to close the "openBrowser". Close()(available in WatiN) can only be used for the type "IE" of "Firefox" only. So, I cant use Close() method also. Is there any method to close the browser in C# or WatiN?

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  • Disable day dynamically after clicking it

    - by Justin
    I have used the BeforeShowDays method to disable days on page load for my datepicker in the past. What I would like now is to click on a day, and the day should become disabled (not clickable, as if I used the BeforeShowDays method on that day). Is there a way to accomplish this?

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  • Adding an inheritance to an Qt designed object

    - by Jaguar
    Hello, I have a problem and I want to implement the MVC pattern to my QT application, that's why I need for example to inherite in my QTableWidget about another class like myClass { myMethod(); } but our QTableWidget is contained by our Mainwidows that is designed by the QT designer and generate an ui_MainWindow class ! Do you know how to do that ? Is that a method inside the Qt Designer to do that ? or another method ? Thank you for your answer !

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  • Creating and Saving an Excel File

    - by Kris
    I have the following code that creates a new Excel file in my C# code behind. When I attempt to save the file I would like the user to select the location of the save. In Method #1, I can save the file my using the workbook SaveCopyAs without prompting the user for a location. This saves one file to the C:\Temp directory. Method #2 will save the file in my Users\Documents folder, then prompt the user to select the location and save a second copy. How can I eliminate the first copy from saving in the Users\Documents folder? Excel.Application oXL; Excel._Workbook oWB; Excel._Worksheet oSheet; Excel.Range oRng; try { //Start Excel and get Application object. oXL = new Excel.Application(); oXL.Visible = false; //Get a new workbook. oWB = (Excel._Workbook)(oXL.Workbooks.Add(Missing.Value)); oSheet = (Excel._Worksheet)oWB.ActiveSheet; // ***** oSheet.Cells[2, 6] = "Ship To:"; oSheet.get_Range("F2", "F2").Font.Bold = true; oSheet.Cells[2, 7] = sShipToName; oSheet.Cells[3, 7] = sAddress; oSheet.Cells[4, 7] = sCityStateZip; oSheet.Cells[5, 7] = sContactName; oSheet.Cells[6, 7] = sContactPhone; oSheet.Cells[9, 1] = "Shipment No:"; oSheet.get_Range("A9", "A9").Font.Bold = true; oSheet.Cells[9, 2] = sJobNumber; oSheet.Cells[9, 6] = "Courier:"; oSheet.get_Range("F9", "F9").Font.Bold = true; oSheet.Cells[9, 7] = sCarrierName; oSheet.Cells[11, 1] = "Requested Delivery Date:"; oSheet.get_Range("A11", "A11").Font.Bold = true; oSheet.Cells[11, 2] = sRequestDeliveryDate; oSheet.Cells[11, 6] = "Courier Acct No:"; oSheet.get_Range("F11", "F11").Font.Bold = true; oSheet.Cells[11, 7] = sCarrierAcctNum; // ***** Method #1 //oWB.SaveCopyAs(@"C:\Temp\" + sJobNumber +".xls"); Method #2 oXL.SaveWorkspace(sJobNumber + ".xls"); } catch (Exception theException) { String errorMessage; errorMessage = "Error: "; errorMessage = String.Concat(errorMessage, theException.Message); errorMessage = String.Concat(errorMessage, " Line: "); errorMessage = String.Concat(errorMessage, theException.Source); }

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  • Singleton & Multithreading in Java

    - by vivek jagtap
    What is the preferred way to work with Singleton class in multithreaded environment? Suppose if I have 3 thread, and all they try to access getInstance() method of singleton class at the same time - What would happen if no synchronization is maintained? Is it good practice to use synchronized getInstance() method or use synchronized block inside getInstance(). Please advise if there is any other way out.

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  • Why GUID is returned as empty?

    - by jess
    Hi, After loading an entity from the database using LINQ-to_SQL,I pass the entity.ID to a method having argument of type GUID.When I access this parameter in the method,I get an empty value,and not the GUID.Why is it so?

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  • What is the cost of object creating.

    - by Tony
    Hi If I have to choose between static method and creating an instance and use instance method, I will choose static methods always. but what is the detailed overhead of creating an instance? for example I saw a DAL which can be done with static classes but they choose to make it instance now in the BLL at every single call they call something like. new Customer().GetData(); how far this can be bad? Thanks

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  • [C++] STL list - how to find a list element by its object fields

    - by Dominic Bou-Samra
    I have a list: list<Unit *> UnitCollection; containing Unit objects, which has an accessor like: bool Unit::isUnit(string uCode) { if(this->unitCode == uCode) return true; else return false; } How do I search my UnitCollection list by uCode and return the corresponding element (preferably it's index). I have looked at the find() method, but i'm not sure you can pass a boolean method in instead of a searched item parameter if that makes sense.

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  • What is the different purpose of .H header file and a IDL file?

    - by smwikipedia
    I am studying COM so there're some basic questions puzzling me... I know that IDL file is used to describe the method definitions (or the so called 'contract' between software modules), and the .H header files contains something like a method prototype, which looks similar to what the IDL is meant for. So, why are these two things coexist? Isn't one enough? Many thanks.

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  • [ruby] Check if file is a valid image

    - by some guy
    Hi all, I'm using rmagick to manipulate image files. I use the ImageList.new on each file to get started. When I apply this method to an invalid image file I get the below error which interrupts the execution of the script: RMagick.rb:1635:in `read': Improper image header (Magick::ImageMagickError) Therefore I would like to be able to check whether a file is a valid image file before using this method. Any ideas? Thanks.

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  • Web Services, Memory Leaks and CRM

    - by Neil
    Hi, I have a website that allows users to upload a csv file. This calls a service that reads the information from the csv, puts it into DynamicEntity objects and calls the CRM service to Create/Update entities in CRM. When this service creates/updates an entity this kicks off other plugins to apply certain business rules. These rules can also Create or Update entites in CRM. The issue here is that the handle count of the w3wp.exe process that the website is calling increases every time the an entity is created or updated and it never comes back down. I tried putting Garbage Collection code in the business rules and this reduces the handle count of the CRM w3wp process (run by the Network Service), but not the other w3wp process. Should I have Dispose methods on the Web Service that calls the CRM service? I hope that makes sense. I'm not overly familiar with memory management issues so any help is appreciated. Can anybody give me some tips on how to stop this from occurring? Thanks, Neil -- EDIT Okay well the handle count goes up when I call the Service.Create(DynamicEntity) method. I don't think placing any code here would be beneficial. When I exit the method/class/service that contains this call the handle count stays as it is. What I need to know is whether this is something I should be managing or is it something CRM takes care of (or doesn't take care of but I can't do anything about it) -- Another Edit Right this is how it works. 1) We have CRM and its related services 2) We have another service independent of CRM that uses the CRM services (number 1 above) to create entities based on csv info passed into it 3) We have a website that allows a user to upload a csv, and calls service no 2 above to Create/Update entities in CRM 4) We have plugins fired by CRM which use Service 1 above to create/update entities So the user uploads a csv to the website (3), this fires a service(2). When service 2 creates an entity using service 1, Service 4 fires. Service 4 calls also uses service 1 to Create entities, and when these services are called (using the Service.Create() method) the handle count of the process increases. When the method/class/services finish the handle count remains the same, and so when the whole process occurs again the handle count will increased again.

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  • Webservice to add users to SharePoint (like SPWeb.EnsureUser)

    - by kpinhack
    Hallo, i need to add a user to a SharePoint-Website (WSS 3.0) via a Web Service. Using the API i would use the SPWeb.EnsureUser method, but i can't run my own code on the server. I was hoping the Users and Groups Web Service could help, but it does not provide a suitable method. So, is there a Web Service equivalent to SPWeb.EnsureUser? Thanks!

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