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  • Constructor Definition

    - by mctl87
    Ok so i have a class Vector: #include <cstdlib> class Vec { private: size_t size; int * ptab; public: Vec(size_t n); ~Vec() {delete [] ptab;} size_t size() const {return size;} int & operator[](int n) {return ptab[n];} int operator[](int n) const {return ptab[n];} void operator=(Vec const& v); }; inline Vec::Vec(size_t n) : size(n), ptab(new int[n]) { } and the problem is that in one of my homework exercises i have to extend constructor def, so all elements will be initialized with zeros. I thought i know the basics but cant get through this dynamic array -.- ps. sry for gramma and other mistakes ;)

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  • C# Multi threading- Move objects between threads

    - by Grant
    Hi, i am working with a winforms control that is both a GUI element and also does some internal processing that has not been exposed to the developer. When this component is instantiated it may take between 5 and 15 seconds to become ready so what i want to do is put it on another thread and when its done bring it back to the gui thread and place it on my form. The problem is that this will (and has) cause a cross thread exception. Normally when i work with worker threads its just with simple data objects i can push back when processing is complete and then use with controls already on the main thread but ive never needed to move an entire control in this fashion. Does anyone know if this is possible and if so how? If not how does one deal with a problem like this where there is the potential to lock the main gui?

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  • Get width of DataGridView Column When AutoGenerateColumns = true And It added dynomically?

    - by n H
    I want to get width of each column of DataGridView in codeBehinde after setting DataSource and before showing it to user: DataGridView dgv = new DataGridView(); dgv.AutoGenerateColumns = true; dgv.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells; dgv.AutoSize = true; dgv.DataSource = dc.Branches.ToList(); this.Controls.Add(dgv); //How to get Width of each Column Here?? var ColCount = dgv.Columns.Count; //return 0 ??

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  • Comparing 2 linq applications: Unexpected result

    - by lukesky
    I drafted 2 ASP.NET applications using LINQ. One connects to MS SQL Server, another to some proprietary memory structure. Both applications work with tables of 3 int fields, having 500 000 records (the memory structure is identical to SQL Server table). The controls used are regular: GridView and ObjectDataSource. In the applications I calculate the average time needed for each paging click processing. LINQ + MS SQL application demands 0.1 sec per page change. LINQ + Memory Structure demands 0.8 sec per page change. This Is shocking result. Why the application handling data in memory works 8 times slower than the application using hard drive? Can anybody tell me why that happens?

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  • Jquery How to use history plugin?

    - by Martijn
    In my web application I am using ajax and now I'd like the back and forward browser buttons to work. So I went looking for a jquery history plugin and found this one: http://stilbuero.de/jquery/history In my code I use a function to load a page: function loadDocument(id, doc) { $("#DocumentContent").show(); // Clear dynamic menu items $("#DynamicMenuContent").html(""); $("#PageContent").html(""); // Load document in frame $("#iframeDocument").attr("src", 'ViewDoc.aspx?id=' + id + '&doc=' + doc + ''); // Load menu items $("#DynamicMenuContent").load("ShowButtons.aspx"); } As you can see I want my pages to load within an Iframe. Can someone tell me how I can use a history plugin so that the brwoser buttons will work? I don't really care which plugin it is, as long as the browser buttons work. I prefer an easy to use plugin.

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  • Accessing C++ Functions From Text storage

    - by Undawned
    I'm wondering if anyone knows how to accomplish the following: Let's say I have a bunch of data stored in SQL, lets say one of the fields could be called funcName, function name would contain data similar to "myFunction" What I'm wondering is, is there a way I can than in turn extract the function name and actually call that function? There's a few ways I can think of to accomplish this, one is changing funcName to funcId and linking up with an array or similar, but I'm looking for something a bit more dynamic that would allow me to add the data on fly without having to update the actual source code every time I add a call to a new function assuming of course that the function already exists and is accessible via scope location we call it from. Any help would be greatly appreciated.

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  • Asychronous page update with ASP.NET MVC

    - by Graham
    Hi, I'm learning ASP.NET MVC 1.0 and need to implement an asynchronous/dynamic page update. I'm new to MVC and jQuery so I'm not sure what to look for. What I want to do is to allow a user to start a monitoring a domain layer function (similar to a news ticker) and then do a partial page update based on the continously changing results. In ASP.NET I'd do this with a javascript timer to cause a postback, and an AJAX update panel..... but this seems a bit "hacky" for ASP.NET MVC. Is there a better way?

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  • JSF/HTML - Add a Java applet to web page programmatically.

    - by Ben
    Theres a web page I'm making which content is very dynamic and so I'm building it from inside the backing bean. I would like to add a Java applet to the web page but I could not find the JSF component type to correspond to the <applet> tag. So My questions are - What is the JSF component type for an applet? How did you find it? (For similar future searches) Thanks! P.S - Just to be clear. An example: <h:PanelGroup> would be HtmlPanelGroup as a java object.

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  • What table is affected by delete when form based on query?

    - by webworm
    In MS Access 2003 I have a form whose record source is equal to a query that involves an INNER JOIN. The join is between a location table and a container table. Containers are objects that are stored in specific locations each location and container are specified by ID values. SELECT DISTINCTROW Container.Container_ID, Location.Location_ID FROM Location INNER JOIN Container ON Location.[Location_ID] = Container.[Location_ID] What I am trying to figure out is this …. When I delete a record (using the form navigation controls) in the form based on the above query which tables are affected? Are records in the Container and Location tables deleted or is it just in the location table? Thanks!

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  • How can I get all the .pdb files in the same folder?

    - by uvts_cvs
    I have a solution in Visual Studio 2008, it has dozens of projects. I would like to have all the pdb in the same folder. From the property page of a project I see that the pdb will go to the "Intermediate Directory"; also .obj files go to the "Intermediate Directory". Each of our projects has its own folder because we want to keep the .obj separated, at the same time I would like to have all the pdb in the same folder. Looking at the buildlog.htm I see the option /PDB which controls the pdb path, this option doesn't seem to me available in the property page. Maybe I will have to use a post buil script?

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  • How can I create a profiler GUI in WPF?

    - by thehan
    I am looking to create a task profiler in WPF with an UI similar to the one of incredibuild. Eg, timed tasks appear as strips on their respective line. Have a look at: http://baoz.net/wp-content/2009/06/ib1.png to see what I mean. I am unsure what the best way to tackle this problem is? Should I override the Panel class creating a custom layout panel for this or might there be an existing control/library out there that can fit my needs. I have so far had a look at various charting controls but am unsure of weither they can be tweaked to achieve this behaviour or not. I am really hoping for someone who has been using WPF for a while to help me narrow down my search. It is not exactly easy to know what to google for either :)

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  • AppEngine Outage? What's happening?

    - by Albert
    I'm getting a lot of 500 errors recently (both static and dynamic requests). Making my application unavailable. The logs say the following: A problem was encountered with the process that handled this request, causing it to exit. This is likely to cause a new process to be used for the next request to your application. (Error code 121) The same code has been working well for quite some time. What's happening now? I'm using the High Replication Datastore and Python 2.5.

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  • Setting custom control properties

    - by Rob
    I though it would be very simple but I can not get it today. I have a user control, with a grid control contained in it. public Unit Width { get { return CustomerGrid.Width; } set { CustomerGrid.Width = value; } } I expose the width property and when I set it in the designer it works at run-time but not design time. What class do I inherit from or method to override to get my controls to function at design time. Note I tried to inherit from WebControl but got the message Make sure that the class defined in this code file matches the 'inherits' attribute, and that it extends the correct base class

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  • Automatic form generation software

    - by Jonathan
    Hi! I'm using winforms. I spend a lot of time drawing forms (maybe not a lot, but it is a boring task). To sum up... I want to develop a simple aplication that connect to a sql server database, let the user to select a table, and put the controls in a form for me (generate the designer code), based on the tipe of each column. Then my app will name each control like the column of the table, set the maxlengh property (if the type is varchar), and create a label with the same text near the control. If the column is a FK, then the app will draw a combobox and so on. I saw that Telerik Open ORM make something like this, but I only need a simple app for the IU Generation. If the same day I finish my little application I discover a tool that make the same... I will feel myself stupid :D Are there any tool out there that do this work for me? Thanks

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  • Help in fpdf imade display.

    - by Talat
    Hello every one i m using fpdf libray to creat pdf files from html form. i m using $pdf->Image('C:/DOCUME%7E1/mypic.PNG',60,140,120,0,'',''); to display image on pdf. in its first parameter it asks for exact path.it doesn't accept anyaddress variable here. but i want to make dynamic.i have able to get a complete path in an variable. i have printed this variable. ////////////////////////////// echo "$path"; output //////////////////// C:/DOCUME%7E1/mypic.PNG ///////////////////////////////////////////////////// but how i put that path from variable in this parameter.? when i use this variable as in this function.it give error. $pdf->Image('$path',60,140,120,0,'',''); plz help me for this.

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  • Spring / Hibernate project with Tomcat and JQuery.

    - by Tiago
    Hi, I have a Dynamic Web Project that implements Spring and Hibernate using a Tomcat Server (v6). I'm lauching Tomcat with my Eclipse Galileo and I'm not getting any errors in the console but Tomcat is rendering my webpages randomly. The page just keep loading but without displaying anything, there's nothing on the console either. When I go in debug mode, it goes throught the right steps, everything seems alright. When I display the source code on the web browser (Firefox latest build) it shows me the right code that is needed to display the page I called. What am I not getting here? Plus when I stop Tomcat, it renders a part of the page. I'm wondering if JQuery could be the problem? The thing is that it's a collaborative project and that the others managed to run the web application in the most alright way. Please, share your experience with me.

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  • An example of advanced database search

    - by Phil
    Hi there, im looking for an example script. I saw one yesterday but for the life of me I can't find it again today. The task I have is to allow the user to search 1 database table via input controls on an aspx page where they can select and , or , equals to combine fields, generating the sql on the fly with a stringbuilder or similar. (it runs behind the corp firewall) Please can someone point me in the right direction of an example or tutorial I've been working on the page, but have run into problems. Here is a snippet; If NameSearch.Text IsNot String.Empty And andor1v IsNot "0" Then sql += "Surname LIKE '%" & name & "%' " & andor1v & " " ElseIf NameSearch.Text IsNot String.Empty And andor1v Is "0" Then sql += "Surname LIKE '%" & name & "%' " End If

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  • How to prevent inputting Russian characters in Word with a Word addin?

    - by Edwin
    Hi, Sorry for this vaguely described problem, but please look at the problem from the Win32 API's perspective. I'm writing a Word addin using Addin Express with Delphi, and I use some other 3rd party VCL's also, including virtual stringtree, TNT controls, etc. Now I cannot input Russian characters in Word anymore, but I can input English and Chinese.... Since it's a large project I don't know where to start finding the problem, would you give me some generic tips, I'll be appreciated that! Thank you, and have a nice day!

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  • C# Events between threads executed in their own thread (How to) ?

    - by Guillaume
    Hello, I'd like to have two Threads. Let's call them : Thread A Thread B Thread A fires an event and thread B listen to this event. When the Thread B Event Listener is executed, it's executed with the Thread A's thread ID, so i guess it is executed within the Thread A. What I'd like to do is be able to fire event to Thread B saying something like: "hey, a data is ready for you, you can deal with it now". This event must be executed in its own Thread because it uses things that only him can access (like UI controls). How can I do that ? Thank you for you help.

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  • ReorderListView in WPF

    - by Philipp Schmid
    I love the controls from the Bag-Of-Tricks. I am interested in modifying the ReorderListBox control to get a ReorderListView control. However, simply changing the base class from ListBox to ListView is not working. When I try to add a ReorderListView to XAML like this: <lib:ReorderListView Grid.Row="1"> <ReorderListView.View> <GridView> <GridViewColumn Header="Data1" /> </GridView> </ReorderListView.View> </lib:ReorderListView> I get an error ("The tag 'ReorderListView.View' does not exist in XML namespace 'http://schemas.microsoft.com/winfx/2006/xaml/presentation'.) How do I modify the ReorderListBox example to get this to work? Has anyone already succeeded in doing this?

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  • TFS as source-control: what do you love? what do you hate?

    - by jcollum
    I've used TFS for about 18 months now and I'm really not excited about it. It seems like the worst of the current versions of SCMs on the market. I think this thread will help people decide if TFS is for them vs. other source control systems. While TFS does a lot more than that, I think that source control is so critical to software development that any system (or combination thereof) that you pick needs to consider source control first. What are the good things about TFS vs. other source controls -- what does it do well that no one else does? What are the things that TFS is bad at that everyone else seems to do just fine?

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  • How to handle Querystring in JavaScript?

    - by Wondering
    Hi All, I have a js code: window.onload = function() { document.getElementById("Button1").onclick = function() { var t1 = document.getElementById("Text1").value; var t2 = document.getElementById("Text2").value; document.URL = 'myurl?t1=' + t1 + '&t2' + t2; } } Here i am adding t1,t2 as query param..now my question is lets say i have entered some data in Textbox1 but not in textbox2, in that case the url I am getting is 'myurl?t1=' + value of textbox1 + '&t2' + This will be blank; I want to make it dynamic, i.e.if there is not value in Textbox2 then I dont want to append queryparam t2, same goes for t1 also..isit possible?

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  • In few words, what can be said about Func<>

    - by Richard77
    Hello, I've been seing Func< for sometime now, and I've manage to avoid it (for now). But, now it looks like I can't dodge it forever. For instance, I tried Dynamic Linq, but almost everything was in terms of Func<. I've tried one of my book (C# 2008/Deitel&Deitel) and also MSDN but I'm not getting it yet. They all jump straight in the subject. What can be said (in few words) about Func< Can I get some links on the web that can get me started on that matter? Thanks for helping

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  • HTML/Javascript disabled and then reenabled checkbox is being POSTED

    - by NeverStopLearning
    I have a page with a checkbox that is disabled/reenabled with javascript on button click. If I never disable the checkbox then its value is correctly POSTed, however if I disable the checkbox even once it gets posted without value (posts as "name=" even when checked). I have inspected the POST value through firebug. Why does it behaves like this? Am I missing something? I ve read somewhere that disabled controls are not posted, thats OK, but this control is not disabled when the submit is clicked. I am using ASP.NET with more complex setup to test this, but essentially this is the core of the problem. The brower is FF latest. I found very similar question, however without an answer: disabled control being reenabled but still not posting back contents to server

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  • postback __EVENTTARGET ID in Page.Request.Form has $ not _ in ASP.NET

    - by Industry86
    I am using the ToolkitScriptManager from the Ajax tool kit and I am having a problem finding my button's ID. My ID's on my controls come back with $ symbols instead of _ symbols, like the following: Grid$ctl06$insertButton This obviously causes problems when attempting to find the control from the Page.Request.Form keys. I cannot seem to find the determining factor that would cause this. Now, I know this is the name and in my source I see that the ID is with the _, so why is the Page.Request.Form showing up with the $ symbol instead? Anybody encounter this before?

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