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  • calling a method from an event handler

    - by Ayoub
    I have this code i am working on but every time i call init method I keep getting an error this.addElement is not a function is it because i can't call methods from event handlers ? function editor () { this.init = function () { $("#area").bind('click' , this.click_event ); } this.addElement = function () { console.log("adding element"); } this.click_event = function(event) { this.addElement(); console.log("click event in x : "+event.data); } }

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  • Git + GitHub + Heroku

    - by Haseeb Khan
    Hi All, I am new to the world of Git, GitHub and Heroku. So far, I am enjoying this paradigm but coming from a background with SVN, things seems a bit complicated to me in the world of Git. I am facing a problem for which I am looking for a solution. Scenario: I have setup a new private project on GitHub. I forked the private project and now I have the following structure in my branch: /project /apps /my-apps /my-app-1 .... /my-app-2 .... /your-apps /your-app-1 .... /your-app-2 .... /plugins .... I can commit the code in my Fork on GitHub from my machine in any of the folders I want. Later on, these would be pulled into the master repository by the admin of the project. For every individual application in the apps folder, I have setup an app on Heroku which is a Git Repo in itself where I push my changes when I am done with the user stories from my local machine. In short, every app in the apps folder is a Rails App hosted on Heroku. Problem: What I want is that when I push my changes into Heroku, they can be committed into my project fork on GitHub as well, so, it also has the latest code all the time. The issue I see is that the code on Heroku is a Git Repo while the folders which I have on GitHub are part of a Repo. So far, what I have researched is that there is something known as Submodule in the Git World which can come to the rescue, however, I have not been able to find some newbie instructions. Can someone in the community be kind enough to share thoughts and help me to identify the solution of this problem? Thanks in advance. Regards, Haseeb Khan haseeb [AT] tkxel.com TkXel

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  • Automated download of website content using ASP.net

    - by Yaaqov
    Using ASP.net, what methods can I use to do the following: Open up a connection to a given URL to read HTML content Parse the given URL for hyperlinks, and place them in an array Loop through each hyperlink (only 1 level down), opening each one, saving the HTML contents in a table, and move to the next hyperlink until done. If ASP.net is not up to the task, other languages or free scripts/toolkits would be acceptable. Thanks.

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  • some problems with jquery

    - by CoffeeCode
    I'm using AJAX_POSTUP. When i make a request it sends a file to a bowser [offers to download] (the files content are params of the action methods). Does anyone know whats going on and how i can avoid this problem??? i'm not aware of other plugins such as AJAX_POSTUP

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  • How to get the coordinates of an image mouse click in the event handler?

    - by Edward Tanguay
    In the following WPF app, I have an Image in a ContentControl. When the user clicks on the image, how can I get the x/y coordinates of where the mouse clicked on the image? XAML: <Window x:Class="TestClick828374.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <StackPanel Margin="10"> <ContentControl Content="{Binding TheImage}" MouseDown="ContentControl_MouseDown"/> </StackPanel> </Window> Code-Behind: using System; using System.Windows; using System.Windows.Controls; using System.Windows.Media; using System.Windows.Media.Imaging; using System.ComponentModel; namespace TestClick828374 { public partial class Window1 : Window, INotifyPropertyChanged { #region ViewModelProperty: TheImage private Image _theImage; public Image TheImage { get { return _theImage; } set { _theImage = value; OnPropertyChanged("TheImage"); } } #endregion public Window1() { InitializeComponent(); DataContext = this; TheImage = new Image(); TheImage.Source = new BitmapImage(new Uri(@"c:\test\rectangle.png")); TheImage.Stretch = Stretch.None; TheImage.HorizontalAlignment = HorizontalAlignment.Left; } #region INotifiedProperty Block public event PropertyChangedEventHandler PropertyChanged; protected void OnPropertyChanged(string propertyName) { PropertyChangedEventHandler handler = PropertyChanged; if (handler != null) { handler(this, new PropertyChangedEventArgs(propertyName)); } } #endregion private void ContentControl_MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e) { //how to get the coordinates of the mouse click here on the image? } } }

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  • Queue Data structure app crash with front() method

    - by Programer
    I am implementing queue data strcutre but my app gets crashed, I know I am doing something wrong with Node pointer front or front() method of queue class #include <iostream> using namespace std; class Node { public: int get() { return object; }; void set(int object) { this->object = object; }; Node * getNext() { return nextNode; }; void setNext(Node * nextNode) { this->nextNode = nextNode; }; private: int object; Node * nextNode; }; class queue{ private: Node *rear; Node *front; public: int dequeue() { int x = front->get(); Node* p = front; front = front->getNext(); delete p; return x; } void enqueue(int x) { Node* newNode = new Node(); newNode->set(x); newNode->setNext(NULL); rear->setNext(newNode); rear = newNode; } int Front() { return front->get(); } int isEmpty() { return ( front == NULL ); } }; main() { queue q; q.enqueue(2); cout<<q.Front(); system("pause"); }

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  • Assign to a slice of a Python list from a lambda

    - by Bushman
    I know that there are certain "special" methods of various objects that represent operations that would normally be performed with operators (i.e. int.__add__ for +, object.__eq__ for ==, etc.), and that one of them is list.__setitem, which can assign a value to a list element. However, I need a function that can assign a list into a slice of another list. Basically, I'm looking for the expression equivalent of some_list[2:4] = [2, 3].

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  • Using Kal calendar without doing the initialization (and so on) in the AppDelegate

    - by testing
    I'm using the Kal calendar. For the code shown below I'm referring to the Holiday example. In this example the allocation and initialization of Kal is done in the applicationDidFinishLaunching in the AppDelegate. The UITableViewDelegate protocol (e.g. didSelectRowAtIndexPath) is also positioned in the AppDelegate class. The AppDelegate: #import "HolidayAppDelegate.h" #import "HolidaySqliteDataSource.h" #import "HolidaysDetailViewController.h" ## Heading ###import "Kal.h" @implementation HolidayAppDelegate @synthesize window; - (void)applicationDidFinishLaunching:(UIApplication *)application { kal = [[KalViewController alloc] init]; kal.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle:@"Today" style:UIBarButtonItemStyleBordered target:self action:@selector(showAndSelectToday)] autorelease]; kal.delegate = self; dataSource = [[HolidaySqliteDataSource alloc] init]; kal.dataSource = dataSource; // Setup the navigation stack and display it. navController = [[UINavigationController alloc] initWithRootViewController:kal]; [window addSubview:navController.view]; [window makeKeyAndVisible]; } // Action handler for the navigation bar's right bar button item. - (void)showAndSelectToday { [kal showAndSelectDate:[NSDate date]]; } #pragma mark UITableViewDelegate protocol conformance // Display a details screen for the selected holiday/row. - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { Holiday *holiday = [dataSource holidayAtIndexPath:indexPath]; HolidaysDetailViewController *vc = [[[HolidaysDetailViewController alloc] initWithHoliday:holiday] autorelease]; [navController pushViewController:vc animated:YES]; } #pragma mark - - (void)dealloc { [kal release]; [dataSource release]; [window release]; [navController release]; [super dealloc]; } @end I don't want to put this into the AppDelegate, because there could be some overlapping code with other views. It should be a separate "component" which I can call and put on the stack. In my navigation based project I have a main view, the RootViewController. From there I want to push the Kal view on the stack. Currently I'm pushing an additional ViewController on the stack. In the viewWillAppear method from this ViewController I do the things shown in the code above. The following problems appear: Navigation back has to be done two times (one for the Kal calendar, one for my created view) Navigation to my main view is not possible anymore In the moment I don't know where to put this code. So the question is where to put the methods for allocation/initialization as well as the methods for the UITableViewDelegate protocol.

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  • Moq.Mock<T> - how to setup a method that takes an expression

    - by Paul
    I am Mocking my repository interface and am not sure how to setup a method that takes an expression and returns an object? I am using Moq and NUnit Interface: public interface IReadOnlyRepository : IDisposable { IQueryable<T> All<T>() where T : class; T Single<T>(Expression<Func<T, bool>> expression) where T : class; } Test with IQueryable already setup, but don't know how to setup the T Single: private Moq.Mock<IReadOnlyRepository> _mockRepos; private AdminController _controller; [SetUp] public void SetUp() { var allPages = new List<Page>(); for (var i = 0; i < 10; i++) { allPages.Add(new Page { Id = i, Title = "Page Title " + i, Slug = "Page-Title-" + i, Content = "Page " + i + " on page content." }); } _mockRepos = new Moq.Mock<IReadOnlyRepository>(); _mockRepos.Setup(x => x.All<Page>()).Returns(allPages.AsQueryable()); //Not sure what to do here??? _mockRepos.Setup(x => x.Single<Page>() //---- _controller = new AdminController(_mockRepos.Object); }

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  • Looping through a file in VB.NET

    - by Ousman
    I am writing a VB.NET program and I'm trying to accomplish the following: Read and loop through a text file line by line Show the event of the loop on a textbox or label until a button is pressed The loop will then stop on any number that happened to be at the loop event and When a button is pressed again the loop will continue. Code Imports System.IO Public Class Form1 'Dim nFileNum As Integer = FreeFile() ' Get a free file number Dim strFileName As String = "C:\scb.txt" Dim objFilename As FileStream = New FileStream(strFileName, _ FileMode.Open, FileAccess.Read, FileShare.Read) Dim objFileRead As StreamReader = New StreamReader(objFilename) 'Dim lLineCount As Long 'Dim sNextLine As String Private Sub btStart_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) _ Handles btStart.Click Try If objFileRead.ReadLine = Nothing Then MsgBox("No Accounts Available to show!", _ MsgBoxStyle.Information, _ MsgBoxStyle.DefaultButton2 = MsgBoxStyle.OkOnly) Return Else Do While (objFileRead.Peek() > -1) Loop lblAccounts.Text = objFileRead.ReadLine() 'objFileRead.Close() 'objFilename.Close() End If Catch ex As Exception MessageBox.Show(ex.Message) Finally 'objFileRead.Close() 'objFilename.Close() End Try End Sub Private Sub Form1_Load(ByVal sender As System.Object, _ ByVal e As System.EventArgs) _ Handles MyBase.Load End Sub End Class Problem I'm able to read the text file but my label will only loop if I hit the start button. It goes to the next line, but I want it to continue to loop through the entire file until I hit a button telling it to stop.

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  • What are the advantages and disadvantages of a web site that contains a single page ?

    - by Misha Moroshko
    I would like to code a little web site that will contain several sections like "Home", "Gallery", "Contact Us", "FAQs", and so on. I thought to do this in one HTML by putting each section in a div and show only one div per time (using Javascript / jQuery), based on the chosen menu button. Alternatively, I could create a separate HTML page per section, and link these pages to the menu buttons. What are the advantages and disadvantages of these two methods ?

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  • Is there a naming convention for a method that should set the properties of the passed object.

    - by Genady Sergeev
    Hello, I am writing a method that will set the properties of an object passed as a parameter. The method accepts one parameter of type interface and the return type of the method is the same interface. I was wondering if there is some kind of a naming convention for such methods. I was thinking of something like: FillInInterfaceTypeData or InitInterfaceTypeData but both sound clumsy to me. How do you think?

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  • How can a link within a WebView load another layout using javascript?

    - by huffmaster
    So I have 2 layout files (main.xml, featured.xml) and both each have a single WebView. When the application starts "main.xml" loads a html file into it's WebView. In this html file I have a link that calls javascript that runs code in the Activity that loaded the html. Once back in this Activity code though I try running setContentView(R.layout.featured) but it just bombs out on me. If I debug it just dies without any real error and if I run it the application just Force closes. Am I going about this correctly or should I be doing something differently? final private int MAIN = 1; final private int FEATURED = 2; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); webview = (WebView) findViewById(R.id.wvMain); webview.getSettings().setJavaScriptEnabled(true); webview.getSettings().setSupportZoom(false); webview.addJavascriptInterface(new EHJavaScriptInterface(), "eh"); webview.loadUrl("file:///android_asset/default.html"); } final class EHJavaScriptInterface { EHJavaScriptInterface() { } public void loadLayout(final String lo) { int i = Integer.parseInt(lo.trim()); switch (i) { /****** THIS IS WHERE I'M BOMBING OUT *********/ case FEATURED: setContentView(R.layout.featured);break; case MAIN: setContentView(R.layout.main);break; } } }

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  • wpf: capturing mouse does not work

    - by amethyste
    hello I am developing an kind of outlook calendar application where I need to make the appointment resizable from mouse. My first try with a thumb did not work properly so I tried another way. What I did is that: 1) on the botton of the appointmennt panel I added a rectangle to figure out the resize zone (the thumb). The appointment panel is put on a grid panel. 2) I intercept down event on the rectangle and send event to this code: private Point startPoint; private void OnResizeElementMouseDown(object sender, MouseButtonEventArgs e) { e.Handled = true; this.MouseMove += new MouseEventHandler(ResizeEndElement_MouseMove); this.MouseLeftButtonUp += new MouseButtonEventHandler(OnResizeElementMouseUp); // some code to perform new height computation Mouse.Capture(this); } where this is the appointment panel that own the thumb. Decreasing height works well. But increasing is more difficult. If I move the mouse very very slowly it's OK, if I speed it up a little bit it tends to leave out the appointment panel and then all MouseMove event are lost. I thought Mouse.Capture() was propose to solve this kind of problem, but in fact not. Does anybody know what is wrong in my code?

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  • Trying to add functionality to MvcHandler

    - by Alexandre Brisebois
    I am currently trying to add 301 redirect to my routes in MVC to do this I have tried to inherit from the MvcHandler. The handler gets instantited with the right values. but I am never able to debug the overridden methods. can someone show me a working attempt at this? the asp.net pipe simply seems to the doing its own thing... public class CodeHttpHandler : MvcHandler { public CodeHttpHandler(RequestContext p_requestContext) : base(p_requestContext) { } protected override void ProcessRequest(HttpContext p_httpContext) { } protected override void ProcessRequest(HttpContextBase p_httpContext) { } }

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  • c# deleting whole row in access database

    - by user2978474
    I have question about my problem. Thru manustrip in form1 i have made new form2 when i click on a right option. This form is for deleting data in access database if you pick in combobox ID of row it deletes the whole row wher is ID 4 or somethig else... My combobox is connected on my database. my code: public partial class Form2 : Form { public string myConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\Bojan\Desktop\Programiranje\School\Novo\Novo\Ure.accdb"; // to je provider za Access 2007 in vec - ce ga ni na lokalni mašini ga je treba namestiti!!! public Form2() { InitializeComponent(); } private void Form2_Load(object sender, EventArgs e) { // TODO: This line of code loads data into the 'dataSet1.Ure' table. You can move, or remove it, as needed. this.ureTableAdapter.Fill(this.dataSet1.Ure); } private void Brisanje_Click(object sender, EventArgs e) { OleDbConnection myConnection = null; myConnection = new OleDbConnection(); // kreiranje konekcije myConnection.ConnectionString = myConnectionString; myConnection.Open(); OleDbCommand cmd = myConnection.CreateCommand(); cmd.Connection = myConnection; cmd.CommandText = "DELETE FROM Ure WHERE (ID) = '"+Izbor.SelectedValue+"'"; cmd.ExecuteNonQuery(); cmd.Prepare(); myConnection.Close(); } } Thanks for your help

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  • Scala type inference failure on "? extends" in Java code

    - by oxbow_lakes
    I have the following simple Java code: package testj; import java.util.*; public class Query<T> { private static List<Object> l = Arrays.<Object>asList(1, "Hello", 3.0); private final Class<? extends T> clazz; public static Query<Object> newQuery() { return new Query<Object>(Object.class); } public Query(Class<? extends T> clazz) { this.clazz = clazz; } public <S extends T> Query<S> refine(Class<? extends S> clazz) { return new Query<S>(clazz); } public List<T> run() { List<T> r = new LinkedList<T>(); for (Object o : l) { if (clazz.isInstance(o)) r.add(clazz.cast(o)); } return r; } } I can call this from Java as follows: Query<String> sq = Query.newQuery().refine(String.class); //NOTE NO <String> But if I try and do the same from Scala: val sq = Query.newQuery().refine(classOf[String]) I get the following error: error: type mismatch found :lang.this.class[scala.this.Predef.String] required: lang.this.class[?0] forSome{ type ?0 <: ? } val sq = Query.newQuery().refine(classOf[String]) This is only fixed by the insertion of the correct type parameter! val sq = Query.newQuery().refine[String](classOf[String]) Why can't scala infer this from my argument? Note I am using Scala 2.7

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  • Web User Control og Event

    - by Mcoroklo
    I have a web user control, CreateQuestion.ascx, in ASP.NET. I want an event "QuestionAdded" to fire when a specific button is clicked. I don't want to send any data, I just want to know WHEN the button is fired. My implementation: CreateQuestion.ascx: public event EventHandler QuestionAdded; protected virtual void OnQuestionAdded(EventArgs e) { if (QuestionAdded != null) QuestionAdded(this, e); } /// This is the button I want to know when is fired protected void SubmitButton_Click(object sender, EventArgs e) { //question.Save(); this.OnQuestionAdded(new EventArgs()); } On the page AnswerQuestion.aspx, I use this: private void SetupControls(int myId) { CreateQuestionControl.QuestionAdded += new EventHandler(QuestionAdded); } private void QuestionAdded(object sender, EventArgs e) { Response.Write("HEJ KARL?"); } My problem No matter what, the event is never fired. I know that both SetupControls() is being run, and the code behind the button which should fire the event is run. When I debug, I can see the event QuestionAdded always are null. How do I make this work? Thanks a lot

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  • cURL gets Internal Server Error when posting to aspx page

    - by Mihai
    I have a big problem. I have some applications made on an unix based system, and I use PHP with cURL to post an XML question to an IIS server with asp.net. Every time I ask the server something I get error: HTTP/1.1 500 Internal Server Error Date: Tue, 04 May 2010 07:36:08 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET X-AspNet-Version: 2.0.50727 Cache-Control: private Content-Type: text/html; charset=utf-8 Content-Length: 3032 But if I ask same question on another server, almost identically to this one (BOTH configured by me) I get results like it should and the headers: HTTP/1.1 200 OK Date: Tue, 04 May 2010 07:39:37 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET X-AspNet-Version: 2.0.50727 Cache-Control: private Content-Type: text/html; charset=utf-8 Content-Length: 9169 I tried everything, searched hundreds of forums, but i don't find anything. In IIS logs I only get: 2010-05-04 07:36:08 W3SVC1657587027 80.xx.xx.xx POST /XML_SERV/XmlAPI.aspx - 80 - 80.xx.xx.xx Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1 500 0 0 any ideas where to look what is going on? I forgot to mention! If I use an XML request software, and ask same question, it works.

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  • I'm new to OOP/PHP. What's the practicality of visibility and extensibility in classes?

    - by marcdev
    I'm obviously brand new to these concepts. I just don't understand why you would limit access to properties or methods. It seems that you would just write the code according to intended results. Why would you create a private method instead of simply not calling that method? Is it for iterative object creation (if I'm stating that correctly), a multiple developer situation (don't mess up other people's work), or just so you don't mess up your own work accidentally?

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  • Multi threading in WCF RIA Services

    - by synergetic
    I use WCF RIA Services to update customer database. In domain service: public void UpdateCustomer(Customer customer) { this.ObjectContext.Customers.AttachAsModified(customer); syncCustomer(customer); } After update, a database trigger launches and depending on the columns updated it may insert a new record in CustomerChange table. syncCustomer(customer) method is executed to check for a new record in the CustomerChange table and if found it will create a text file which contains customer information and forwards that file to external system for import. Now this synchronization may take a time so I wanted to execute it in different thread. So: private void syncCustomer(Customer customer) { this.ObjectContext.SaveChanges(); new Thread(() => syncCustomerInfo(customer.CustomerID)) { IsBackground = true }.Start(); } private void syncCustomerInfo(int customerID) { //Thread.Sleep(2000); //does real job here ... ... } The problem is in most cases syncCustomerInfo method cannot find any new CustomerChange record even if it was definitely there. If I force thread sleep then it finds a new record. I also looked Entity Framework events but the only event provided by object context is SavingChanges which occur before changes are saved. Please suggest me what else to try.

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  • Auto generation of Web Service sample, help and documentation

    - by orjan
    We're using javax.jws.WebServices deployed in a Glassfish server, is there a way to auto generate documentation like the one ASMX services generates? ASMX services display methods in service ASMX services when running locally could be easily tested with a prebuilt form ASMX services provided a sample request and response XML message http://keithelder.net/blog/archive/2008/01/15/How-to-Get-Around-WCFs-Lack-of-a-Preview-Web.aspx In Glasshfish together with /test/TestApi?wsdl there's /test/TestApi?Tester but it doesn't work, I don't know if it can be used to provide similar features as above?

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