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  • Classes and Objects in C++

    - by anurag18294
    class anurag { private: int rollno; char name[50]; int marks; float percen; void percentage(int num) { percen=(num/500)*100; } public: void getdata(void) { cout<<"\n\nEnter the name of the student:"; gets(name); cout<<"\n\nEnter the roll no: and the marks:"; cin>>rollno>>marks; percentage(marks); } void display(void) { cout<<"\n\nThe name of the student is:"; cout.write(name,50); cout<<"\n\nThe roll no: of the student is:"; cout<<rollno; cout<<"\n\n The marks obtained is:"<<marks; cout<<"\n\nThe percentage is:"<<percen; }}; void main() { clrscr(); anurag F; F.getdata(); F.display(); getch(); } why the following code is not giving the desired output?

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  • How Netbeans Editors know that file is not modified after undo?

    - by Ha
    Netbeans uses standart UndoManager API for implementation of undo functionality. But neither standart javax.swing.undo.UndoManager nor org.openide.awt.UndoRedo.Manager doesn't have any method to mark states as saved and check modified status. Nonetheless if you change the file and press undo, the file is marked as unmodified. How do they do that? I need the same functionality for my (non-text) editors if the Netbeans RCP application.

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  • IE8 problems with .animate() of opacity property - descendant remains opaque throughout

    - by Fabian
    Basically I have something like this: <ul> <li> <a> <div class="trigger-layer"></div> <div class="title-layer">Text here</div> <div class="hover-layer"></div> </a> </li> </ul> I use jQuery to animate the <ul> as follow: $ul = xxx (where I assign the selector to var $ul) $ul.animate({opacity: 0}, 1000, function() {$ul.css("display", "none")}); However in IE8, as the <ul> fades off, the <div class="title-layer">Text here</div> remains clear and opaque. Finally the animation ends, the display: none; property is applied onto the <ul> and the text disappears aburptly.

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  • How do I add an extra separator to the top of a UITableView?

    - by richt
    Hi, I have a view for the iPhone that is basically split in two, with an informational display in the top half, and a UITableView for selecting actions in the bottom half. The problem is that there is no border or separator above the first cell in the UITableView, so the first item in the list looks funny. How can I add an extra separator at the top of the table, to separate it from the display area above it? Here's the code to build the cells - it's pretty straightforward. The overall layout is handled in a xib. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; } switch(indexPath.row) { case 0: { cell.textLabel.text = @"Action 1"; break; } case 1: { cell.textLabel.text = @"Action 2"; break; } // etc....... } return cell; }

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  • Rendering a CGPDFPage into a UIImage

    - by James Antrobus
    I'm trying to render a CGPDFPage (selected from a CGPDFDocument) into a UIImage to display on a view. I have the following code in MonoTouch which gets me part way there. RectangleF PDFRectangle = new RectangleF(0, 0, UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Height); public override void ViewDidLoad () { UIGraphics.BeginImageContext(new SizeF(PDFRectangle.Width, PDFRectangle.Height)); CGContext context = UIGraphics.GetCurrentContext(); context.SaveState(); CGPDFDocument pdfDoc = CGPDFDocument.FromFile("test.pdf"); CGPDFPage pdfPage = pdfDoc.GetPage(1); context.DrawPDFPage(pdfPage); UIImage testImage = UIGraphics.GetImageFromCurrentImageContext(); pdfDoc.Dispose(); context.RestoreState(); UIImageView imageView = new UIImageView(testImage); UIGraphics.EndImageContext(); View.AddSubview(imageView); } A section of the CGPDFPage is displayed but rotated back-to-front and upside down. My question is, how do I select the full pdf page and flip it round to display correctly. I have seen a few examples using ScaleCTM and TranslateCTM but couldn't seem to get them working. Any examples in ObjectiveC are fine, I'll take all the help I can get :) Thanks

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  • Connecting to a fresh SQL Server installation

    - by ripper234
    I know mysql, and I'd like to learn sqlserver. I'm currently stuck on the basics of basics: How to install and configure sql server How to connect to it I installed Sql Server through Web Platform Installer, and have Visual Studio 2008 installed. Still, I can't understand how to connect to my server: I see that the SQL service itself (SQLEXPRESS) is running in both in services.msc and Sql Server Configuration Manager I try to connect to it via the Management Studio, but I don't understand what to do. Where do I begin?

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  • Why jquery have problem with onbeforeprint event?

    - by Cesar Lopez
    Hi all, I have the following function. $(function() { $(".sectionHeader:gt(0)").click(function() { $(this).next(".fieldset").slideToggle("fast"); }); $("img[alt='minimize']").click(function(e) { $(this).closest("table").next(".fieldset").slideUp("fast"); e.stopPropagation(); return false; }); $("img[alt='maximize']").click(function(e) { $(this).closest("table").next(".fieldset").slideDown("fast"); e.stopPropagation(); return false; }); }); <script type="text/javascript"> window.onbeforeprint = expandAll; function expandAll(){ $(".fieldset:gt(0)").slideDown("fast"); } </script> For this html <table class="sectionHeader" ><tr ><td>Heading 1</td></tr></table> <div style="display:none;" class="fieldset">Content 1</div> <table class="sectionHeader" ><tr ><td>Heading 2</td></tr></table> <div style="display:none;" class="fieldset">Content 2</div> I have several div class="fieldset" over the page, but when I do print preview or print, I can see all divs sliding down before opening the print preview or printing but on the actual print preview or print out they are all collapse. I would appreciate if anyone comes with a solution for this. Anyone have any idea why is this or how to fix it? Thanks. PS:Using a does not work either ( I assume because jquery using toggle) and its not the kind of question I am looking for.

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  • Rails routing of a controller's functions query

    - by Jty.tan
    So I've got a Users controller, and it has (amongst others) a function called details. The idea is that a user can go to localhost:3000/user/:user_id/details and be able to view the details of :user_id. For example, I have a user called "tester". When I go to the uri: http://localhost:3000/users/tester/details I'd want the details function to be called up, to render the details view, and to display the information for the user tester. But instead I get an error saying that No action responded to tester. Actions: change_password, create, current_user, details, forgot_password, index, login_required, new, redirect_to_stored, show, and update_attributes And I understand that to basically mean that if I wanted to access details, I should really be using http://localhost:3000/users/details Except that that isn't really working either... .< That is instead bringing me to http://localhost:3000/users/details/registries (which is the default path that I'd stipulated for anybody trying to view users/:user_id, so again, that's working the way I wanted it to) Point is: Can anybody help and tell me how I can go about getting users/:user_id/details to work the way I want it to and display the details of :user_id? Thanks!

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  • CodeIgniter: Where should a particular functionality go ?

    - by Samnan
    I have an application in codeigniter and a page needs to perform the following tasks 1 - controller decides which model to use based of the url and parameters 2 - controller loads the model and get the data from it 3 - controller formats the data in a particular format, depending on the items in it 4 - controller loads a common view, which will display the data (formatted data contains simple display fields) now there is a search page, which needs to do a text query against all of the possible text fields in database in all tables. It needs to show each type of data in its own formatted output on a single page as a list. The problem: The search controller can do the search, dynamically load model for each record type, and get the data from model. Problem comes when the data needs to be formatted. It looks that ideally the search controller should load another controller which will provide formatted data ... There is where it gets out of control ... My question is: What am I doing wrong? Is there any better way to do this? How would you do the same to solve the problem?

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  • form submit button moves cutting image

    - by flavour404
    Hi I have a submit button and am styling it using the following css: .subm { background-color:Transparent; background-image:url(Images/Button_Send.png); background-repeat:no-repeat; width:82px; height:30px; display:block; border:none; outline:none; overflow:visible;} .subm:hover { background-color:Transparent; background-image:url(Images/Button_Send_Over.png); background-repeat:no-repeat; width:82px; height:30px; display:block; border:none; outline:none; overflow:visible; } Here is the html: <input type="submit" class="subm" value="" /> Nothing surprising. However, what annoys me is that when the submit button is clicked in IE it moves the image up a couple of pixels cutting them off which makes it look, hmm, good word, 'naff.' How can I compensate or stop this? I have tried expanding the image and leaving a couple of blank pixels at the top but it still does the same thing! Thanks R.

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  • R: building a simple command line plotting tool/Capturing window close events

    - by user275455
    I am trying to use R within a script that will act as a simple command line plot tool. I.e. user pipes in a csv file and they get a plot. I can get to R fine and get the plot to display through various temp file machinations, but I have hit a roadblock. I cannot figure out how to get R to keep running until the users closes the window. If I plot and exit, the plot disappears immediately. If I plot and use some kind of infinite loop, the user cannot close the plot; he must exit by using an interrupt which I don't like. I see there is a getGraphicsEvent function, but it claims that the device is not supported (X11). Anyway, it doesn't appear to actually support an onClose event, only onMouseDown. Any ideas on how to solve this? edit: Thanks to Dirk for the advice to check out the tk interface. Here is the test code that works: require(tcltk) library(tkrplot) ##function to display plot, called by tkrplot and embedded in a window plotIt<-function(){ plot(x=1:10, y=1:10) } ##create top level window tt<-tktoplevel() ##variable to wait on like a condition variable, to be set by event handler done <- tclVar(0) ##bind to the window destroy event, set done variable when destroyed tkbind(tt,"",function() tclvalue(done) <- 1) ##Have tkrplot embed the plot window, then realize it with tkgrid tkgrid(tkrplot(tt,plotIt)) ##wait until done is true tkwait.variable(done)

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  • How to join multiple tables using LINQ-to-SQL?

    - by user603245
    Hi! I'm quite new to linq, so please bear with me. I'm working on a asp.net webpage and I want to add a "search function" (textbox where user inputs name or surname or both or just parts of it and gets back all related information). I have two tables ("Person" and "Application") and I want to display some columns from Person (name and surname) and some from Application (score, position,...). I know how I could do it using sql, but I want to learn more about linq and thus I want to do it using linq. For now I got two main ideas: 1.) var person = dataContext.GetTable<Person>(); var application = dataContext.GetTable<Application>(); var p1 = from p in Person where(p.Name.Contains(tokens[0]) || p.Surname.Contains(tokens[1])) select new {Id = p.Id, Name = p.Name, Surname = p.Surname}; //or maybe without this line //I don't know how to do the following properly var result = from a in Application where a.FK_Application.Equals(index) //just to get the "right" type of application //this is not right, but I don't know how to do it better join p1 on p1.Id == a.FK_Person 2.) The other idea is just to go through "Application" and instead of "join p1 ..." to use var result = from a in Application where a.FK_Application.Equals(index) //just to get the "right" type of application join p from Person on p.Id == a.FK_Person where p.Name.Contains(tokens[0]) || p.Surname.Contains(tokens[1]) I think that first idea is better for queries without the first "where" condition, which I also intended to use. Regardless of what is better (faster), I still don't know how to do it using linq. Also in the end I wanted to display / select just some parts (columns) of the result (joined tables + filtering conditions). I really want to know how to do such things using linq as I'll be dealing also with some similar problems with local data, where I can use only linq. Could somebody please explain me how to do it, I spent days trying to figure it out and searching on the internet for answers. Thank you for your time.

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  • Sinatra/Rails: Persisting custom class instances during app lifetime

    - by knoopx
    Can I assert rails/sinatra apps are initialized only once and all requests share the same app instance? or do new requests spawn new app instances? Is it possible to instance custom classes and persist them during app lifetime without using sessions, database storages or third party services? If so, what are the implications from a thread-safeness point of view? I'm trying to figure how to implement a web-based download manager and I'm currently evaluating ruby-based frameworks.

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  • How do I properly register the Type Library of A VB.NET COM+ Component?

    - by k_Dank
    I am looking to upgrade legacy VB6 COM+ components to VB.NET components. I have seemingly upgraded one already, called EventPackage, which has one class, IEventListener. Another, TradeOrders, Implements EventPackage.IEventListener. When attempting to build TradeOrders, I get the following Errors/Warnings; Cannot load type library for reference "EventPackage". Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)) The referenced component 'EventPackage' could not be found. Type 'EventPackage.IEventListener' is not defined. In the .vbproj, I notice this reference <COMReference Include="EventPackage"> <Guid>{0D76C094-21A6-4E04-802B-6E539F7102D7}</Guid> <Lcid>0</Lcid> <VersionMajor>2</VersionMajor> <VersionMinor>0</VersionMinor> <WrapperTool>tlbimp</WrapperTool> </COMReference> When I search the registry for this Guid, I find nothing. When using GUIDs for similar COM+ objects, I find them in HKEY_CLASSES_ROOT\CLSID\{...}\TypeLib ("..." being the GUID of the other component). When I go to the registry key name corresponding to EventPackage.IEventListener, I find that there is no \TypeLib subkey. As you might suspect, searching the reg for "0D76C094-21A6-4E04-802B-6E539F7102D7" yields no results. So I know this must be a registry problem, But I have tried seemingly every google result I have found. I have tried Regasm and regsvcs .exe's to no avail. Many pages just tell me that dragging the dll to the COM+ manager should automatically register the component. So how do I register the Type library? Details on how I made EventPackage COM+ component Ran the VB6-VB.NET wizard Then I added some lines to the assemblyinfo.vb file added Imports System.EnterpriseServices added Imports System.EnterpriseServices Imports System.Data.SqlClient <Assembly: CLSCompliant(True)> <Assembly: AssemblyKeyFileAttribute("...")> for a strong name <Assembly: Guid("...")> (Where "..." is the COM+ CLSID of the old component) I added the following to the class file IEventListener.VB Imports System.EnterpriseServices <ComClass("...")> _ (Where ... is the proper COM+ CLSID, that is the only argument) Inherits ServicedComponent changed the ID made by the Conversion wizard to the proper value (from <System.Runtime.InteropServices.ProgId("IEventListener_NET.IEventListener)> to <System.Runtime.InteropServices.ProgId("EventPackage.IEventListener")> _ Then I dragged the DLL into the COM+ manager in the proper COM+ application (although, the "Path" is not specified and only says mscoree.dll)

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  • Detect if any USB drive is detected or not using WinForm Application

    - by Pavan Kumar
    I want to do the following things in my application 1) I want to display whether any USB drive is inserted or not in my application to prompt the user to insert a USB drive. I just want to notify the user if any USB dirve is inserted else prompt him to insert one using a label or something (i want to avoid messagebox as it will keep appearing whenever a device is inserted or removed. It will be irritating for the end user) in my Visual C# WinForm Application. If any USB drive is present display "USB drive detected" in the label. The user may add one or more USB sticks but the status will remain same. When there is none then the status of the label will change to "No USB drives found.Please insert a USB drive". 2) When one or more USB drive is added the volume name with the drive letter for example "James(F:)" is added to the Combobox list. The combobox list also needs to remove the entry for the USB drive added in the list automatically when it is removed . So when there is no USB the list should be empty and the label will again prompt user to insert a USB stick or drive.

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  • Save All Values of Database to Text File?

    - by cam
    I was wondering if there was a way to extract all the values of a column, and then save each value into separate text files (labeled ANYTHING, 1-100 works fine). I know how to do this through another language, but I'm using SQL Server 2008 with Microsoft SQL Server Manager and it would save me some time from figuring out how to do it through C#.

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  • What programming language to choose

    - by Pradeep
    We need to write a script that needs to process movies (using C-based ffmpeg) and also update our databases. Also there would be some thread programming to accomplish with a worker-manager design. I am thinking of writing this in Ruby is there any good language to do this, if so what is its primary advantage for choosing? We are based on the Mac platform. Thanks in advance.

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  • IE8: weird border around HTML button element

    - by s427
    I have a button element with a custom background (image+color) and no borders except for a 2px border-bottom (and a bunch of other properties --code below) which renders quite differently in Firefox and in IE8. The problem is, this is a work for a company that uses IE8 as their only browser, so it's important that the button renders well in IE8. Here's a visual comparison between the two: My question here is not about the padding difference (I'm looking into that), but about the weird border that is visible on IE8 in addition to the regular border (border-bottom). Can anyone explain to me where it comes from and how to get rid of it? Thanks in advance. Here is the HTML code: <button class="btn" id="c_edit"> <span>Annuler</span> </button> And here is the CSS: .btn { display: inline-block; margin: 0 0 7px 5px; padding: 0; color: #ddd; font-size: 14px; font-family: FrutigerLTStd55Roman, sans-serif; text-decoration: none; border: none; border-bottom: 2px solid #222; background-color: #999; background-image: url('img/btn_bg.gif'); background-position: 0 bottom; background-repeat: repeat-x; cursor: pointer; transition: all .5s ease-out; } .btn span { display: inline-block; margin: 0; padding: 8px 10px 6px 40px; background-color: transparent; background-position: 4px 0; background-repeat: no-repeat; }

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  • cannot eliminate space between 2 horizontal divs inside containing div

    - by wantTheBest
    Should be easy, right? Just set the outer containing div's padding to zero, and set the two side-by-side divs inside the outer div to have margin:0 but that's having no effect on the space between the 2 horizontal divs. What I need is the red-outlined left div to touch the green-outlined right-side div. Despite my effort using padding and margin, the space between the 2 divs will not go away. I have looked at many answers on SO but so far no one's broken it down to this simple example -- my fiddle shows this issue, at http://jsfiddle.net/Shomer/tLZrm/7/ And here is the very simple code: <div style="border: 4px solid blue; white-space:nowrap; margin:0; padding:0; width:80%"> <div style="display:inline-block; width:45%; overflow:hidden; margin:0; border: 1px solid red"> Flimmy-flammy </div> <div style="display:inline-block; width:50%; overflow:hidden; margin:0px; border: 1px solid green"> Hambone-Sammy </div> </div>

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  • How to make the TextView invisible when there are items in listView?

    - by Raphael Thomas Liewl
    I like to display textView when there are no items in the listView whereas the textView will not display when there are items in the listView. My problem is even there are items in the listView, the textView still will be displayed in a short time and then load the items into listView. So, how to make the TextView invisible when there are items in listView? Here is the codes: public void onCreate(Bundle savedInstancesState){ super.onCreate(savedInstancesState); setContentView(R.layout.list_screen); user = getIntent().getExtras().getString("user"); Log.d("dg",user); getList(); lv = (ListView) findViewById(android.R.id.list); emptyText = (TextView)findViewById(android.R.id.empty); lv.setEmptyView(emptyText); } list_screen.xml <?xml version="1.0" encoding="UTF-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" > <ListView android:id="@+id/android:list" android:layout_width="fill_parent" android:layout_height="fill_parent"/> <TextView android:id="@+id/android:empty" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/no_friend" android:gravity="center_vertical|center_horizontal"/> </LinearLayout>

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  • How should I link two items with MouseMovementListeners?

    - by user1708810
    I'm working on a program that will display two "views" of the same set of items. So I need to have something set up so that when the top down view is changed, the side view is updated (and vice versa). Here's a brief outline of the relevant code so you can get an idea of my structure so far: public class DraggableComponent extends JComponent { //Contains code for MouseMovementListener that makes the item draggable } public class ItemGraphic extends DraggableComponent { //Code to render the graphic } public class Item { private ItemGraphic topGraphic; private ItemGraphic sideGraphic; } I'm able to get each graphic to display fine in my GUI. I can also independently drag each graphic. I'm missing the "linking." Some ideas I've been thinking about: Have one listener for the whole GUI. Loop through each Item and if the cursor is within the bounds of either graphic, move the other graphic. I'm concerned about the efficiency of this method. Multiple "paired" listeners (not quite sure how this would work, but the idea is that each graphic would have a listener for the other paired graphic)

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  • How to obtain JNDI data source for JPA/JTA DAO integration test?

    - by HDave
    I have a JPA application that has specified JTA transactions in persistence.xml. For whatever reason, I have found that when using JTA, you MUST specify a JNDI data source within persistence.xml as well. This is fine, unless you are trying to go integration testing outside a container and JNDI is not available. My questions are: a) is there anyway to inject a jdbc datasource into my JTA transaction manager? b) if not, how do a handle a JNDI lookup during integration testing?

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