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  • WCF sending the same exception even if the service endpoint address is valid

    - by ALexr111
    Hi, I'm running into a really strange problem with WCF. I need to implement some recovery behavior for WCF service if not reachable endpoint IP address received or service can not bind. The flow is simple if the application fail on exception on service creation it terminate it and request from user another IP address and perform another attempt to create the service. (The code snippet below). If the address is not valid I get "A TCP error (10049: The requested address is not valid in its context) occurred while listening on IP Endpoint=.121.10.11.11" exception, but for any reason if I try the second attempt with valid address I've got the same exception with wrong IP address from previous attempt. Here is a code: ServiceHost service = null; try { Uri[] uris = { new Uri(Constants.PROTOCOL + "://" + address + ":" + port) }; service = new ServiceHost(typeof(IRemoteService), uris); NetTcpBinding tcpBinding = WcfTcpRemoteServicesManager.LessLimitedNewNetTcpBinding(int.MaxValue, int.MaxValue, int.MaxValue); ServiceEndpoint ep = service.AddServiceEndpoint(implementedContract.FullName, tcpBinding, serviceName); var throttle = service.Description.Behaviors.Find<ServiceThrottlingBehavior>(); if (throttle == null) { throttle = new ServiceThrottlingBehavior { MaxConcurrentCalls = Constants.MAX_CONCURRENT_CALLS, MaxConcurrentSessions = Constants.MAX_CONCURRENT_SESSIONS, MaxConcurrentInstances = Constants.MAX_CONCURRENT_INSTANCES }; service.Description.Behaviors.Add(throttle); } service.Open(); } catch (Exception e) { _debugLog.WriteLineMessage( "Failed to open or create service exception. Exception message:" + e.Message); if (service!=null) { try { service.Close(); } catch (Exception) { service.Abort(); service.Close(); throw e; } } } Thanks

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  • log4net affecting other projects which don't even use it

    - by Graeme
    I'm seeing something really strange happening with some projects I'm working on. I used log4net in an MVC web site and this was working great. I then was working on a totally unrelated Console application which uses the SharePoint API and as soon as I include the following line (other lines don't cause the problem) SPLimitedWebPartManager spWebPartManager = web.GetLimitedWebPartManager("http://blah/blah.aspx?PageView=Shared", System.Web.UI.WebControls.WebParts.PersonalizationScope.Shared); I get the following message in the console app log4net:ERROR XmlConfigurator: Failed to find configuration section 'log4net' in the application's .config file. Check your .config file for the <log4net> and < configSections> elements. The configuration section should look like: <section n ame="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" / > log4net:ERROR XmlConfigurator: Failed to find configuration section 'log4net' in the application's .config file. Check your .config file for the <log4net> and < configSections> elements. The configuration section should look like: <section n ame="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" / > I get this twice after a small delay. The delay is probably the request to get the web part manager from the page but I'm not sure why this log4net error is showing up in this project. I've gone through the code and bin folders etc. and found no trace of any log4net mentions. Any ideas why this might be happening?

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  • How to convert floats to human-readable fractions?

    - by Swaroop C H
    Let's say we have 0.33, we need to output "1/3". If we have "0.4", we need to output "2/5". The idea is to make it human-readable to make the user understand "x parts out of y" as a better way of understanding data. I know that percentages is a good substitute but I was wondering if there was a simple way to do this?

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  • Javascript to match a specific number using regular expressions

    - by ren33
    I was using javascript to detect for specific key strokes and while writing the method I thought I'd try regular expressions and the test() method and came up with: if (/8|9|37|38|46|47|48|49|50|51|52|53|54|55|56|57|96|97|98|99|100|101|102|103|104|105|110/.test(num)) { // do something if there's a match } This doesn't seem to work 100% as some values seem to make it past the regex test, such as 83. I've since moved on, but I'm still curious as to why this didn't work.

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  • Opposite method of math power adding numbers

    - by adopilot
    I have method for converting array of Booleans to integer. It looks like this class Program { public static int GivMeInt(bool[] outputs) { int data = 0; for (int i = 0; i < 8; i++) { data += ((outputs[i] == true) ? Convert.ToInt32(Math.Pow(2, i)) : 0); } return data; } static void Main(string[] args) { bool[] outputs = new bool[8]; outputs[0] = false; outputs[1] = true; outputs[2] = false; outputs[3] = true; outputs[4] = false; outputs[5] = false; outputs[6] = false; outputs[7] = false; int data = GivMeInt(outputs); Console.WriteLine(data); Console.ReadKey(); } } Now I want to make opposite method returning array of Booleans values As I am short with knowledge of .NET and C# until now I have only my mind hardcoding of switch statement or if conditions for every possible int value. public static bool[] GiveMeBool(int data) { bool[] outputs = new bool[8]; if (data == 0) { outputs[0] = false; outputs[1] = false; outputs[2] = false; outputs[3] = false; outputs[4] = false; outputs[5] = false; outputs[6] = false; outputs[7] = false; } //After thousand lines of coed if (data == 255) { outputs[0] = true; outputs[1] = true; outputs[2] = true; outputs[3] = true; outputs[4] = true; outputs[5] = true; outputs[6] = true; outputs[7] = true; } return outputs; } I know that there must be easier way.

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  • DataGridView's SelectionChange event firing twice on DataBinding even after removing event binding

    - by Shantanu Gupta
    This Code triggers selection change event twice. how can I prevent it ? Currently i m using a flag or focused property to prevent this. But what is the actual way ? I am using it on winfoms EDIT My Mistake in writing Question, here is the correct code that i wanted to ask private void frmGuestInfo_Load(object sender, EventArgs e) { this.dgvGuestInfo.SelectionChanged -= new System.EventHandler(this.dgvGuestInfo_SelectionChanged); dgvGuestInfo.DataSource=dsFillControls.Tables["tblName"]; this.dgvGuestInfo.SelectionChanged += new System.EventHandler(this.dgvGuestInfo_SelectionChanged); } private void dgvGuestInfo_SelectionChanged(object sender, EventArgs e) { //this function is raised twice, i was expecting that this will not be raised }

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  • Can't find controls in FormView.InsertItemTemplate even on DataBound event

    - by abatishchev
    I have FormView in my page markup: <asp:FormView ruanat="server" ID="FormView1" OnDataBound="FormView1_DataBound" DataSourceID="SqlDataSource1"> <InsertItemTemplate> <uc:UserControl1 runat="server" ID="ucUserControl1" /> </InsertItemTemplate> </asp:FormView> <asp:SqlDataSource runat="server" ID="SqlDataSource1" SelectCommand="EXEC someSP" /> It's code-behind: protected void FormView1_DataBound (object sender, EventArgs e) { var c1 = ((FormView)sender).FindControl("ucUserControl1"); // returns null var c2 = FormView1.FindControl("ucUserControl1"); // also returns null } In theory, I'm able to find control on FormView after it being data bound. But I'm not. Why?

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  • Qt: Force QWebView to click on a web element, even one not visible on the window

    - by Pirate for Profit
    So let's say I'm trying to click a link in the QWebView, here is what I have: // extending QWebView void MyWebView::click(const QString &selectorQuery) { QWebElement el = this->page()->mainFrame()->findFirstElement(selectorQuery); if (!el) return; el.setFocus(); QMouseEvent pressEvent(QMouseEvent::MouseButtonPress, el.geometry().center(), Qt::MouseButton::LeftButton, Qt::LeftButton, Qt::NoModifier); QCoreApplication::sendEvent(this, &pressEvent); QMouseEvent releaseEvent(QMouseEvent::MouseButtonRelease, el.geometry().center(), Qt::MouseButton::LeftButton, Qt::LeftButton, Qt::NoModifier); QCoreApplication::sendEvent(this, &releaseEvent); } And you call it as so: myWebView->click("a[href]"); // will click first link on page myWebView->click("input[type=submit]"); // submits a form THE ONLY PROBLEM IS: if the element is not visible in the window, it is impossible to click. What I mean is if you have to scroll down to see it, you can't click it. I imagine this has to do with the geometry, since the element doesn't show up on the screen it can't do the math to click it right. Any ideas to get around this? Maybe some way to make the window behave like a billion x billion pixels but still look 200x200?

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  • iPhone - phone goes to sleep even if idleTimerDisabled is YES

    - by lostInTransit
    Hi I am using this in my appdelegate's applicationDidFinishLaunching: method to make sure the iPhone doesn't go to sleep during the time the app is open [application setIdleTimerDisabled:YES]; It works great on all screens but on one of the screens the iPhone goes to sleep. I could not figure out how to reproduce this and it seems to happen at random times. Can someone please tell me how to handle this situation. Thanks

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  • What is O(n log n) or O(n log(log n))

    - by Mark Tomlin
    What does O, if indeed it is a Oh (As in the letter O) not the number Zero (0) mean? I think the n would be number, but I'm not sure as I'm not a 'real' computer programmer, just a hobbyist. And log would be logarithmic function, but I only know that because of smarter people then I have told me this, while never really explaining what a logarithm is. So please, in plain English, explain what this is, and the differences between the two (such as their applications.

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  • Problem with pre-beta sdk - even after reinstalling SDK 3.2

    - by Anders Brenna
    I'm trying to upload the binary for a new app, but always get this errormessage: "The binary you uploaded was invalid. A pre-release beta version of the SDK was used to build the application." I know several people have asked a similar question, but I've tried all suggestions from the answers there without success. I used the XCode 4.0 beta 3 during development, and I've tried using it to compile for earlier releases (3.0, 3.1.3, 3.2 etc...) I've also tried downgrading to SDK 3.2, as well as removing 4.0 beta 3 and then installing SDK 3.2 as a fresh install. It seems to me that there might be some parameter in the "Edit Project Settings" that is sticking from the use of 4.0 beta 3, but I've tried to identify them without success. My last option seem to be a complete reinstall of both OS and SDK. Is there something else I might try first?

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  • C# Question:Dynamically Disable ToolStripMenuItems/ToolStripButtons in an MDIParent Form: Which Even

    - by RedEye
    Any guidance on the following issue would be greatly appreciated. In which MDIParent event should I disable the items/buttons? Activated? On program Launch, I want the buttons disabled. If there are no active MDIChildren, I want the buttons disabled. When I launch a child form, I want to test that child form for data. If it is a blank form, I want the buttons to remain disabled. I currently have my code in the MdiChildActivated Event Handler. Thanks for your time.

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  • adding zeros in objective-c string formats

    - by Chris
    Hello- Quick question: I am trying to fill in empty spaces with a specific number of zeroes in an NSString stringWithFormat formatting string. For example, I want: @"The number is %d", 5 // I want this to output 'the number is 05' @"the number is %d", 10 // I want this to output 'the number is 10' I know how to do this in Java, but I cant seem to find the same function in objective-c. Any help would be great.

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  • Customize VisualStudio syntax highlighting even more

    - by Alex K
    Hi everybody, I am wondering if it is possible to set VisualStudio IDE so it highlights private/protected/public variables of the class differently as well as change formatting on locals (i.e. variables that are either passed in or declared inside a function, like this). I did not find any such options in the normal Fonts and Colors menu of VS. Also a search on SO reveals that (at least as of 2 years ago) only add-ons provide such features. But is there a way to manually edit some file? Just because we don't get a nice UI to edit, doesn't mean underlying framework automatically doesn't support it. I mean add-ons have to plug into something to do their magic in the editor. Any insights into this issue? Thanks!

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  • Internet explorer only executing function inside jQuery ajax success response once even though there

    - by user249950
    Hi, I have a function that uses jQuery.load() to call in 3 snippets of forms from different pages and then on the success text status it tries to load a colour picker: $(document).ready(function() { function ajax_form(putloadingboxhere, putsnippethere, snippeturl) { $(putsnippethere).load(snippeturl, function (responseText, textStatus, XMLHttpRequest, ) { if (textStatus == "success") { alert('One') $("input.pickcolor").ColorPicker({ onShow: function (colpkr) { $(colpkr).fadeIn(500); return false; }, onSubmit: function(hsb, hex, rgb, el) { $(el).val(hex); $(el).ColorPickerHide(); $(el).siblings('.colorpreview').css('background-color', '#' + hex); }, onBeforeShow: function () { $(this).ColorPickerSetColor(this.value); } }) .bind('keyup', function(){ $(this).ColorPickerSetColor(this.value); }); alert('Two') } if (textStatus == "error") { // Show error message } }); } ajax_form('tab_box', '#formone', 'snippet_one.htm #snippet'); ajax_form('tab_box', '#formtwo', 'snippet_two_copy.htm #snippet'); ajax_form('tab_box', '#formthree', 'snippet_three.htm #snippet'); }); It works fine in Firefox and Safari but (surprise, surprise) IE has a problem with it. I have added an alert to see what is going on before and after one of the functions. FF & Safari & IE8: Alert 'one' and Alert 'two' appear three times as expected and colour picker appears. IE6 & 7: Alert 'one' shows three times and colour picker does not appear. Any help would be great! Cheers. EDIT The line IE is referring to when it throws this error: 'Error: Object doesn't support this property or method.' is: $('input.pickcolor').ColorPicker Anyone got any insights? Thanks

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  • WinForms prints to default printer even if it's not available/connected

    - by Valentein
    How can I determine if printer is connected? Typically this application prints to the default printer but in some cases that printer may not be available. If so I don't want the job sent to it's queue but rather printed to another available printer. I understand the PinterSettings.InstalledPrinters property. Does PrintDocument.PrinterSettings.IsValid return false if a printer is not available? Does WPF provide this kind of functionality? My problem is different than Printing problem in C# windows app - Always prints to default printer

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  • PHP bitwise left shifting 32 spaces problem and bad results with large numbers arithmetic operations

    - by Victor Stanciu
    Hello, I have the following problems: First: I am trying to do a 32-spaces bitwise left shift on a large number, and for some reason the number is always returned as-is. For example: echo(516103988<<32); // echoes 516103988 Because shifting the bits to the left one space is the equivalent of multiplying by 2, i tried multiplying the number by 2^32, and it works, it returns 2216649749795176448. Second: I have to add 9379 to the number from the above point: printf('%0.0f', 2216649749795176448 + 9379); // prints 2216649749795185920 Should print: 2216649749795185827

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  • reservoir sampling problem

    - by eSKay
    This MSDN article proves the correctness of Reservoir Sampling algorithm as follows: Base case is trivial. For the k+1st case, the probability a given element i with position <= k is in R is s/k. The probability i is replaced is the probability k+1st element is chosen multiplied by i being chosen to be replaced, which is: s/(k+1) * 1/s = 1/(k+1), and prob that i is not replaced is k/k+1. So any given element's probability of lasting after k+1 rounds is: (chosen in k steps, and not removed in k steps) = s/k * k/(k+1), which is s/(k+1). So, when k+1 = n, any element is present with probability s/n. about step 3: What are the k+1 rounds mentioned? What is chosen in k steps, and not removed in k steps? Why are we only calculating this probability for elements that were already in R after the first s steps?

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  • Biased Random Number Generator

    - by cmptrer
    I am looking for a random number generator that can be biased. For instance, say I want a random number between 1-5, with the probability being: 1: Comes up 20% of the time 2: Comes up 10% of the time 3: Comes up 40% of the time 4: Comes up 25% of the time 5: Comes up 5% of the time Is there anything in the standard library, or other libraries out there that would do this? Alternatively, is there an efficient way to do this myself?

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  • UITableView not rotating even after using autoresize mask and shouldAutororateForInterfaceOrientatio

    - by Amal
    I have a UIView, that contains a navigation bar, and UITableView. I implemented a UIViewController that implements a UITableViewDelegate. I over-rided the shouldAutorotateForInterfaceOrientation for the UIView to return YES for landscape and portrait mode. But the View does not seem to rotate. I did a similar thing without the Navigation bar and the Tableview and the view rotates. Is is something i am missing.

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  • Unable to find static resource in runtime even while designer can see it

    - by xumix
    So i have this markup: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Werp.MigrationHelper"> <Style TargetType="{x:Type UserControl}" x:Key="WizardPageControl" x:Name="WizardPageControl"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type UserControl}"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="10" /> <ColumnDefinition Width="475" /> <ColumnDefinition Width="10" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="10" /> <RowDefinition Height="410"/> <RowDefinition Height="50" /> <RowDefinition Height="10" /> </Grid.RowDefinitions> <StackPanel Orientation="Vertical" Name="MainContent" Grid.Row="1" Grid.Column="1"> <ContentPresenter Content="{TemplateBinding Content}"/> </StackPanel> <StackPanel Grid.Column="1" Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="0,0,0,10" Height="30"> <Button Name="BackButton" Width="50" xml:space="preserve">&lt; _Back</Button> <Button Name="NextButton" Width="50" Margin="10,0,0,0" xml:space="preserve" IsDefault="True">_Next &gt;</Button> <Button Name="CancelButton" Width="50" Margin="10,0,0,0" IsCancel="True">_Cancel</Button> <Button Name="FinishButton" IsEnabled="True" Width="50" Margin="10,0,0,0">_Finish</Button> </StackPanel> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> <Application xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="Resources\WizardPageControl.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> </Application> <UserControl x:Class="Werp.MigrationHelper.WizardPageControl" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:local="clr-namespace:Werp.MigrationHelper" mc:Ignorable="d"> </UserControl> Then I try to use it: <PageFunction xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Werp.MigrationHelper" x:Class="Werp.MigrationHelper.WizardPage1" x:TypeArguments="local:WizardResult" KeepAlive="True" WindowTitle="Wizard Page 1" > <local:WizardPageControl Style="{StaticResource ResourceKey=WizardPageControl}"> <local:WizardPageControl.Content> qweqweqweqweq </local:WizardPageControl.Content> </local:WizardPageControl> </PageFunction> The VS designer show everything Ok, but in runtime i get System.Windows.Markup.XamlParseException occurred Message='Provide value on 'System.Windows.StaticResourceExtension' threw an exception.' Line number '4' and line position '5'. Source=PresentationFramework LineNumber=4 LinePosition=5 StackTrace: at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator) at Werp.MigrationHelper.WizardPage1.InitializeComponent() in d:\Home\Docs\Visual Studio 2008\Projects\csharp\wizardpage1.xaml:line 1 at Werp.MigrationHelper.WizardPage1..ctor(WizardData wizardData) in D:\home\Docs\Visual Studio 2008\Projects\csharp\WizardPage1.xaml.cs:line 12 InnerException: Message=Cannot find resource named 'WizardPageControl'. Resource names are case sensitive. Source=PresentationFramework StackTrace: at System.Windows.StaticResourceExtension.ProvideValue(IServiceProvider serviceProvider) at MS.Internal.Xaml.Runtime.ClrObjectRuntime.CallProvideValue(MarkupExtension me, IServiceProvider serviceProvider) InnerException: Whats the prolem??

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  • Jquery flot and week numbers

    - by mark
    I've plotted some nice graphs with jquery flot. On the x-as the weeknumber is displayed. I would like to display the weeknumbers of the winter season (oct-apr) but that is not possible 'cos flot likes a straight set (0,1,2,3,4 etc) and not (49, 50, 51, 52, 1, 2 etc). Does anyone know how to fix it? http://sionvalais.com/snowcondition/andermatt/36

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