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  • Detect pointer arithmetics because of LARGEADDRESSAWARE

    - by Suma
    I would like to switch my application to LARGEADDRESSAWARE. One of issues to watch for is pointer arithmetic, as pointer difference can no longer be represented as signed 32b. Is there some way how to find automatically all instances of pointer subtraction in a large C++ project? If not, is there some "least effort" manual or semi-automatic method how to achieve this?

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  • Cannot serialize this List<T> extension

    - by Jaxidian
    I'm trying to push a subset of a collection of data through WCF to be consumed by WCF - think paged data. As such, I want this collection to have one page's worth of data as well as a total number of results. I figured this should be trivial by creating a custom object that extends List. However, everything I do results in my TotalNumber property coming across as 0. All of the data gets serialized/deserialized just fine but that single integer won't come across at all. Here's my first attempt that failed: [Serializable] public class PartialList<T> : List<T> { public PartialList() { } public PartialList(IEnumerable<T> collection) : base(collection) { } [DataMember] public int UnpartialTotalCount { get; set; } And here's my second attempt that failed in the exact same way: [Serializable] public class PartialList<T> : List<T>, ISerializable { public PartialList() { } public PartialList(IEnumerable<T> collection) : base(collection) { } [DataMember] public int UnpartialTotalCount { get; set; } protected PartialList(SerializationInfo info, StreamingContext context) { UnpartialTotalCount = info.GetInt32("UnpartialTotalCount"); } public void GetObjectData(SerializationInfo info, StreamingContext context) { info.AddValue("UnpartialTotalCount", UnpartialTotalCount); } } What's the deal here??

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  • mfc, how can i make a proccess in an OnLButtonDown() event happen again and again untill i live the

    - by Erez
    What happen untill now is this... Any line happens once, and if i use a while(1) or while (nFlags == MK_LBUTTON) its working as it should but i get a crash... The other problem, or mabye the same one is the delay if i will be able to do it, mabye using while() with Timer()????? I was thinking about Timer() to recall the function with delay but i can't call OnLButtonDown() becouse as i understand it only a messege can call it with the arguments..... 10x

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  • C# Unit testing resources

    - by Mohit Deshpande
    I migrated from Java to C# and so I am wondering how to unit tests in C#. I remember using JUnit to test my Java applications and importing the package, etc. How can I unit test in C#? What are some good resources for unit testing in C#?

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  • Difference between var and Class class in object creation

    - by Divine
    Its a silly question, however shocked to see different behaviors. Learning a lot. Lets say I have two classes below Class A { public void Display() { } } Class B : A { public void Display() { } } Class C : B { public void Display() { } } Class Final { static void Main() { var c = new C(); // B c = new C(); //My doubt is, both of the above gives different results. May I know B c = new C() creates object of B or C? What I understood is, it creates object of B. Then why we say "new C()"? I agree with C c = new C(); But I thought, B b = new C(); creates object of B. Where we use this style? Only when utilizing runtime polymorphism? (Overriding methods)? } }

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  • difference in using virtual and not using virtual

    - by numerical25
    In C++, whether you choose to use virtual or not, you can still override the base class function. The following compiles just fine... class Enemy { public: void SelectAnimation(); void RunAI(); void Interact() { cout<<"Hi I am a regular Enemy"; } private: int m_iHitPoints; }; class Boss : public Enemy { public: void Interact() { cout<<"Hi I am a evil Boss"; } }; So my question is what is the difference in using or not using the virtual function. And what is the disadvantage.

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  • How to Find and Replace the Enter character?

    - by karikari
    How to Find and Replace the 'Enter' characters in the text file? Here is my code: string searchString( "\r" ); // <------- how to look for ENTER chars? string replaceString( "XXXX" ); assert( searchString != replaceString ); string::size_type pos = 0, pos3 =0; while ( (pos = test.find(searchString, pos)) != string::npos ) { test.replace( pos, searchString.size(), replaceString ); pos++; }

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  • How to close a form in UserControl

    - by FJPoort
    I created a UserControl with the buttons Save, Close and Cancel. I want to close the form without saving on the Cancel button, prompt a message to save on the Close button and Save without closing on the Save button. Normally, I would have used this.Close() on the Cancel button, but the UserControl doesn't have such an option. So I guess I have to set a property for that. Scrolling down the "Questions that may already have your answer" section, I came across this question: How to close a ChildWindow from an UserControl button loaded inside it? I used the following C# code: private void btnCancel_Click(object sender, EventArgs e) { ProjectInfo infoScreen = (ProjectInfo)this.Parent; infoScreen.Close(); } This does the job for one screen, but I wonder if I have to apply this code for all the screen I have? I think there should be a more efficient way. So my question is: Do I need to apply this code for every form I have, or is there another (more efficient) way?

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  • Strange difference between optimized/non optimized microsoft c++ code

    - by Anders Forsgren
    I have a c++ program with a method that looks something like this: int myMethod(int* arr1, int* arr2, int* index) { arr1--; arr2--; int val = arr1[*index]; int val2 = arr2[val]; doMoreThings(val); } With optimizations enabled (/O2) the first line where the first pointer is decremented is not executed. I assume the compiler believes that the arr1 array is not used since it thinks it can remove the decrement. Am I violating some convention in the above code? What could cause this behavior? It is a very old piece of f2c-translated code, the pointer decrement is due to the 1-based indexing of the original code.

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  • HELP!! Implementing a search to match the specified author and displaying a book by the specified publisher

    - by Brian
    Hey guys! So i'm having problems with my assignment. I successfully got it to run multiple last names by the author, but now, I need to find all books by author, which means searching the collection for all books that match the specified author and I also need to find all books by publisher, which displays a list of books by the specified publisher. How would I implement this? Would I use string or vector? Any help will be much appreciated!

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  • Updates to .NET Compact Framework in 2010?

    - by Vaccano
    This question (http://stackoverflow.com/questions/245566/net-compact-framework-4-0) asked this back before the release of VS 2010. The answer basically said to wait for the release. Now that the release is here, does anyone know? Is there an upgrade/update to the .NETCF? something past .NETCF 3.5?

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  • VB.NET take each letter of a word and display in ListBox

    - by Kaleet
    Private Sub btnWord_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnWord.Click Dim Inputter As String Dim Words As String = "" Do Inputter = InputBox("Enter word", "Enter Word") If Inputter <> String.Empty Then lstDisplay.Items.Add(Inputter) Word += Inputter.Substring(0, 1) End If Loop Until Inputter <> String.Empty ' SOMETHING GOES HERE!!!!!' lstDisplay.Items.Add("---") lstDisplay.Items.Add(Word) End Sub Here is how it works, when you click the button it displays an input box so for example type in "CAT". But I can't figure out how to get it to do C (newline) A (newline) T (newline) within the listbox. Please help! C A T - CAT

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  • How to access Excel Max Column value?

    - by Phsika
    i try to create table from excel rows. however; excel columns : column1 has max 200 character row column2 has max 300 character row column3 has max 500 character row So i need to create sql create MyTable column3 nvarchar(500) according to Excel Max Character.

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  • Add a Message Bar or Info Bar to Word using interop or vsto

    - by Aaron
    I have VS 2010 and Word 2010. In Word 2010 there is sometimes a message/warning bar that pops up under the ribbon but above the body of the document that allows the user to do an action. It looks something like this... Can I programmatically though VSTO or Interop create a custom bar that allows the user to click a button and then it executes some code. If not, is there an alternative popup or dialog box that will do something like this? Thanks, A

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  • Merging all changesets associated with a WorkItem in Team Foundation Server

    - by Rowland Shaw
    We're trailing the use of the built in bug tracking, and have written some integration into our helpdesk software that allows for escalation via workitems. One thing I haven't found out how to do, is to merge all changes associated with a work item (say to go from dev branch to main) - I appreciate you can double click on a changeset in the merge dialog to view if it is associated with a workitem, and also that I can select individual changesets, and groups of adjacent changesets; but there doesn't appear to be any way to merge changes by workitem?

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  • Can you step into specific properties in VS 2010?

    - by cyclotis04
    I know that you can either step into every property or not step into every property, but I would really like to be able to step into a specific property, and not the rest. Is this possible? (I also know I can use keyboard commands, but I'm asking if there's a more permanent solution.) I have a lot of properties and my setters do important things, so it's silly to step over them, but most of my getters are pointless. I'm looking for something like: public string ImportantProperty { get { return _importantProperty; } [DebuggerStepThrough(false)] set { if (this.State != ConnectionState.Closed) throw new InvalidOperationException( "Important Property cannot be changed unless This is closed."); if (ImportantProperty == value) return; _importantProperty = value; OnImportantPropertyChanged(new EventArgs()); } } Unfortunately, I can't find anything that will act like [DebuggerStepThrough(false)] and I must resort to turning off property step-over and putting [DebuggerStepThrough] everywhere I don't want to step-through.

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  • How do I completely disable JavaScript errors using VS2008 and IE?

    - by TheHurt
    I am trying to prevent VS from breaking on JS errors. I have the following settings: In IE, under Tools-Internet Settings-Advanced (tab)-Browsing Disable script debugging (Internet Explorer) is checked. Disable script debugging (Other) is checked. In VS, under Debug-Exceptions-Common Language Runtime Exceptions JScript Exceptions (thrown and user-unhandled) are unchecked. In VS, under Tools-Options-Debugging-Just-In-Time Script is unchecked. There are some JavaScript errors that I just don't care about and it is driving me insane having to deal with them.

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  • session variables in an ASP.NET

    - by Beep
    hi guy i am trying to place my session in to a drop down, any help would be great. at the moment it puts the data in to a label, i wish to put it into a dropdown with it adding a new string every time i click button without getting rid of the last default page protected void Button1_Click1(object sender, EventArgs e) { Session["Fruitname"] = TbxName.Text; // my session i have made } output page protected void Page_Load(object sender, EventArgs e) { var fruitname = Session["Fruitname"] as String; // my session ive made fruit.Text = fruitname; // session used in lable } Have Tried var myFruits = Session["Fruitname"] as List<string>; myFruits.Add(listbox1.Text); but i get error when i try to run the program Broken glass thanks for your help, it is still not doing what i need but its getting there. var fruitname = Session["Fruitname"] as String; // my session ive made fruit.Text = string.Join(",", fruitname); // session used in lable this is what is working. i need a dropdown to display all the strings put into TbxName.Text; to output into fruit

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