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  • Memory allocation problem C/Cpp Windows critical error

    - by Andrew
    Hi! I have a code that need to be "translated" from C to Cpp, and i cant understand, where's a problem. There is the part, where it crashes (windows critical error send/dontSend): nDim = sizeMax*(sizeMax+1)/2; printf("nDim = %d sizeMax = %d\n",nDim,sizeMax); hamilt = (double*)malloc(nDim*sizeof(double)); printf("End hamilt alloc. %d allocated\n",(nDim*sizeof(double))); transProb = (double*)malloc(sizeMax*sizeMax*sizeof(double)); printf("End transProb alloc. %d allocated\n",(sizeMax*sizeMax*sizeof(double))); eValues = (double*)malloc(sizeMax*sizeof(double)); printf("eValues allocated. %d allocated\n",(sizeMax*sizeof(double))); eVectors = (double**)malloc(sizeMax*sizeof(double*)); printf("eVectors allocated. %d allocated\n",(sizeMax*sizeof(double*))); if(eVectors) for(i=0;i<sizeMax;i++) { eVectors[i] = (double*)malloc(sizeMax*sizeof(double)); printf("eVectors %d-th element allocated. %d allocated\n",i,(sizeMax*sizeof(double))); } eValuesPrev = (double*)malloc(sizeMax*sizeof(double)); printf("eValuesPrev allocated. %d allocated\n",(sizeMax*sizeof(double))); eVectorsPrev = (double**)malloc(sizeMax*sizeof(double*)); printf("eVectorsPrev allocated. %d allocated\n",(sizeMax*sizeof(double*))); if(eVectorsPrev) for(i=0;i<sizeMax;i++) { eVectorsPrev[i] = (double*)malloc(sizeMax*sizeof(double)); printf("eVectorsPrev %d-th element allocated. %d allocated\n",i,(sizeMax*sizeof(double))); } Log: nDim = 2485 sizeMax = 70 End hamilt alloc. 19880 allocated End transProb alloc. 39200 allocated eValues allocated. 560 allocated eVectors allocated. 280 allocated So it crashes at the start of the loop of allocation. If i delete this loop it crashes at the next line of allocation. Does it mean that with the numbers like this i have not enough memory?? Thank you.

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  • Databinding in ASP.NET

    - by Victor Hurdugaci
    Is it possible to do data binding on the fields of an object just like in WPF? Something like this: <TextBlock Text="{Binding ElementName=lbColor}" /> just for an asp:TextBox element. What I want is that on submit to have the new values inside the binded object and I don't want to manually read and set the values.

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  • ASP.NET/Vb.net: How to create a frame after an image is uploaded ?

    - by stighy
    Hi guys, i would like to create a fixed size frame for user photos uploaded. I've tought: i, can create a fixed sized image (200 width x 600 height for example), with my personal frame (top, left, bottom, right element graphics) , and in the center a transparency. Ok, but i don't know how to merge the photo into the frame and save the new photo format. Does anybody have some piece of code to help me ? Thank you!

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  • LINQ/C#: Where & Foreach using index in a list/array

    - by Andrew White
    Hi, I have a list/array and need to process certain elements, but also need the index of the element in the processing. Example: List Names = john, mary, john, bob, simon Names.Where(s = s != "mary").Foreach(MyObject.setInfo(s.index, "blah") But cannot use the "index" property with lists, inversely if the names were in an Array I cannot use Foreach... Any suggestions?

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  • Making footer image stick to bottom of web browser or page

    - by Slyphee
    Hello, I know this has been asked alot of times in the past but for the life of me I can't seem to get any of the other solutions to work. What I'm trying to do is to get the footer (which is an image that repeats across the width of the page) to stick to the bottom of the browser when there isn't enough content to naturally push it to the bottom of the page and when there IS enough content to push it to the bottom it does just that. An example is the one at http://www.themaninblue.com/experiment/footerStickAlt/good_example_short.htm which does exactly what I want but I can't get to work either. The code that I've currently got implemented makes the footer stick to a certain section of the page with text going under it. You can see it at sourcectrl.co.uk but its not much to look at. Heres the code for your viewing pleasure. html, body { font: 100% Arial, Helvetica, sans-serif; height: 100%; color: #597347; margin: 0; padding: 0; background: #573909; } header { display: block; position: relative; top: 0; left: 0; width: 100%; height: 66px; background: url(../images/FillerPage_01.gif) repeat-x left bottom; } section { width: 940px; margin: 0 auto; font-size: 1.4em; overflow: auto; min-height: 100%; height: auto !important; height: 100%; margin-bottom: 87px; position: relative; padding-bottom: 90px; } footer { display:block; position: absolute; bottom: 0; width: 100%; height: 87px; background: url(../images/FillerPage_08.gif) repeat-x left bottom; } Sorry if it seems messy! I'd just like to know if I'm heading in the right direction or theres something I'm just not getting? Oh yeah I'm trying to do all of this with the html 5 markup which is why there is no #footer and the like (could this be why none of the solutions work?). If anyone could give me any help or guidance I'd be soooooo grateful.

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  • Implementing INotifyPropertyChanged with PostSharp 1.5

    - by no9
    Hello all. Im new to .NET and WPF so i hope i will ask the question correctly. I am using INotifyPropertyChanged implemented using PostSharp 1.5: [Serializable, DebuggerNonUserCode, AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class, AllowMultiple = false, Inherited = false), MulticastAttributeUsage(MulticastTargets.Class, AllowMultiple = false, Inheritance = MulticastInheritance.None, AllowExternalAssemblies = true)] public sealed class NotifyPropertyChangedAttribute : CompoundAspect { public int AspectPriority { get; set; } public override void ProvideAspects(object element, LaosReflectionAspectCollection collection) { Type targetType = (Type)element; collection.AddAspect(targetType, new PropertyChangedAspect { AspectPriority = AspectPriority }); foreach (var info in targetType.GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(pi => pi.GetSetMethod() != null)) { collection.AddAspect(info.GetSetMethod(), new NotifyPropertyChangedAspect(info.Name) { AspectPriority = AspectPriority }); } } } [Serializable] internal sealed class PropertyChangedAspect : CompositionAspect { public override object CreateImplementationObject(InstanceBoundLaosEventArgs eventArgs) { return new PropertyChangedImpl(eventArgs.Instance); } public override Type GetPublicInterface(Type containerType) { return typeof(INotifyPropertyChanged); } public override CompositionAspectOptions GetOptions() { return CompositionAspectOptions.GenerateImplementationAccessor; } } [Serializable] internal sealed class NotifyPropertyChangedAspect : OnMethodBoundaryAspect { private readonly string _propertyName; public NotifyPropertyChangedAspect(string propertyName) { if (string.IsNullOrEmpty(propertyName)) throw new ArgumentNullException("propertyName"); _propertyName = propertyName; } public override void OnEntry(MethodExecutionEventArgs eventArgs) { var targetType = eventArgs.Instance.GetType(); var setSetMethod = targetType.GetProperty(_propertyName); if (setSetMethod == null) throw new AccessViolationException(); var oldValue = setSetMethod.GetValue(eventArgs.Instance, null); var newValue = eventArgs.GetReadOnlyArgumentArray()[0]; if (oldValue == newValue) eventArgs.FlowBehavior = FlowBehavior.Return; } public override void OnSuccess(MethodExecutionEventArgs eventArgs) { var instance = eventArgs.Instance as IComposed<INotifyPropertyChanged>; var imp = instance.GetImplementation(eventArgs.InstanceCredentials) as PropertyChangedImpl; imp.OnPropertyChanged(_propertyName); } } [Serializable] internal sealed class PropertyChangedImpl : INotifyPropertyChanged { private readonly object _instance; public PropertyChangedImpl(object instance) { if (instance == null) throw new ArgumentNullException("instance"); _instance = instance; } public event PropertyChangedEventHandler PropertyChanged; internal void OnPropertyChanged(string propertyName) { if (string.IsNullOrEmpty(propertyName)) throw new ArgumentNullException("propertyName"); var handler = PropertyChanged as PropertyChangedEventHandler; if (handler != null) handler(_instance, new PropertyChangedEventArgs(propertyName)); } } } Then i have a couple of classes (user and adress) that implement [NotifyPropertyChanged]. It works fine. But what i want would be that if the child object changes (in my example address) that the parent object gets notified (in my case user). Would it be possible to expand this code so it automaticly creates listeners on parent objects that listen for changes in its child objets?

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  • staruml "combined fragment" layout

    - by Ryan Fernandes
    Am facing a bit of trouble getting the 'combined fragment' to sit above an activation (in a sequence diagram). On adding a 'combined fragment' (loop/alt/opt etc) to a section of the sequence diagram, the label and the guard condition appear 'under' the activation block and hence is obscured. Any idea how to fix this?

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  • WPF scrollviewer

    - by Bert
    Is there a posibility to scroll to a specific place in a ScrollViewer from your code behind? So something like the Slider element you can change the value property...

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  • AOP programming in .Net?

    - by larryq
    Hi everyone, I'm wondering what's good out there for AOP / crosscutting in .Net, along the lines of AspectJ. I see Microsoft has a policy injection application block; any other good stuff out there I should take a look at?

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  • I need to parse non well-formed xml data (HTML)

    - by Daziplqa
    Hi, I have some non well-formed xml (HTML) data in JAVA, I used JAXP Dom, but It complains. The Question is :Is there any way to use JAXP to parse such documents ?? I have a file containing data such as : <employee> <name value="ahmed" > <!-- note, this element is not closed, So it is not well-formed xml--> </employee>

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  • jQuery Validate Required Select

    - by Idsa
    I am trying to validate html select element using jQuery Validate plugin. I set "required" rule to true but it always passes validation because zero index is chosed by default. Is there any way to define empty value that is used by required rule?

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  • Select TextView with trackball

    - by janfsd
    I have different elements in my layout: Buttons, RadioButtons, EditText, and I have made a RelativeLayout that is clickable and starts a new intent. Everything works ok except that I can't select that element with the trackball. Is there any way to achieve this? Thanks in advance.

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  • read a file with both text and binary information in .Net

    - by Yin Zhu
    I need to read binary PGM image files. Its format: P5 # comments nrows ncolumns max-value binary values start at this line. (totally nrows*ncolumns bytes/unsigned char) I know how to do it in C or C++ using FILE handler by reading several lines first and read the binary block. But don't know how to do it in .Net.

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  • bug in my jquery code while trying replace html elements with own values

    - by loviji
    I today ask a question, about using Jquery, replace html elements with own values. link text And I use answer, and get a problem. function replaceWithValues not works same in all cases.I call this function two times: 1. btnAddParam click 2. btnCancelEdit click $("#btnAddParam").click(function() { var lastRow = $('#mainTable tr:last'); var rowState = $("#mainTable tr:last>td:first"); replaceWithValues(lastRow, rowState); var htmlToAppend = "<tr bgcolor='#B0B0B0' ><td class='textField' er='editable'><input value='' type='text' /></td><td><textarea cols='40' rows='3' ></textarea></td><td>" + initSelectType(currentID) + "</td><td><input id='txt" + currentID + "3' type='text' class='measureUnit' /></td><td><input type='checkbox' /></td><td></td></tr>"; $("#mainTable").append(htmlToAppend); }); //buttonCancelEdit located in end of row $('#mainTable input:button').unbind().live('click', function() { var row = $(this).closest('tr'); var rowState = $(this).closest('tr').find("td:first"); replaceWithValues(row, rowState); $(this).remove(); }); //do row editable -- replaceWithElements $('#mainTable tr').unbind().live('click', function() { if ($(this).find("td:first").attr("er") == "readable") { var rowState = $(this).closest('tr').find("td:first"); replaceWithElements($(this), rowState); } }); function replaceWithValues(row, er) { if (er.attr("er") == "editable") { var inputElements = $('td > input:text', row); inputElements.each(function() { var value = $(this).val(); $(this).replaceWith(value); }); er.attr("er", "readable"); } } function replaceWithElements(row, er) { if (er.attr("er") == "readable") { var tdinit = $("<td>").attr("er", "editable").addClass("textField"); $('.textField', row).each(function() { var element = tdinit.append($("<input type='text' value="+$.trim($(this).text())+" />")); $(this).empty().replaceWith(element); }); row.find("td:last").append("<input type='button'/>"); //$('.selectField') ... //$('.textAreaField') ... } } $("#btnAddParam").click() function works well. it call function replaceWithValues. I call $('#mainTable tr').unbind().live('click', function() { } to do row editable, and it creates a button in the end of row. After user can click this button and call function $('#mainTable input:button').unbind().live('click', function() {}. and this function call function replaceWithValues. but in this case it doesn't work.

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  • Django-cms problem

    - by 47
    I'm setting up a website using django-cms and when I open up the add page view in the admin, I get this error: TemplateSyntaxError at /admin/cms/page/add/ Invalid block tag: 'csrf_token' What could be the problem? I'm using Django 1.1. BTW.

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  • Help with storing/accessing user access roles C# Winforms

    - by user222453
    Hello, firstly I would like to thank you in advance for any assistance provided. I am new to software development and have designed several Client/Server applications over the last 12 months or so, I am currently working on a project that involves a user logging in to gain access to the application and I am looking at the most efficient and "simple" method of storing the users permissions once logged in to the application which can be used throughout restricting access to certain tabs on the main form. I have created a static class called "User" detailed below: static class User { public static int _userID; public static string _moduleName; public static string _userName; public static object[] UserData(object[] _dataRow) { _userID = (int)_dataRow[0]; _userName = (string)_dataRow[1]; _moduleName = (string)_dataRow[2]; return _moduleName; } } When the user logs in and they have been authenticated, I wish to store the _moduleName objects in memory so I can control which tabs on the main form tab control they can access, for example; if the user has been assigned the following roles in the database: "Sales Ledger", "Purchase Ledger" they can only see the relevant tabs on the form, by way of using a Switch - Case block once the login form is hidden and the main form is instantiated. I can store the userID and userName variables in the main form once it loads by means of say for example: Here we process the login data from the user: DataAccess _dal = new DataAccess(); switch (_dal.ValidateLogin(txtUserName.Text, txtPassword.Text)) { case DataAccess.ValidationCode.ConnectionFailed: MessageBox.Show("Database Server Connection Failed!"); break; case DataAccess.ValidationCode .LoginFailed: MessageBox.Show("Login Failed!"); _dal.RecordLogin(out errMsg, txtUserName.Text, workstationID, false); break; case DataAccess.ValidationCode .LoginSucceeded: frmMain frmMain = new frmMain(); _dal.GetUserPrivList(out errMsg,2); //< here I access my DB and get the user permissions based on the current login. frmMain.Show(); this.Hide(); break; default: break; } private void frmMain_Load(object sender, EventArgs e) { int UserID = User._userID; } That works fine, however the _modules object contains mutiple permissions/roles depending on what has been set in the database, how can I store the multiple values and access them via a Switch-Case block? Thank you again in advance.

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  • pythonic way of selecing a random value that satisfies a certain predicate

    - by MK
    Suppose I have a list of elements and I want to randomly select an element from the list that satisfies a predicate. What is the pythonic way of doing this? I currently do a comprehension followed by a random.choice() but that is unnecessarily inefficient : intlist = [1,2,3,4,5,6,7,8,9] evenlist = [ i for i in intlist if i % 2 == 0 ] randomeven = random.choice(evenlist) Thanks!

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  • FPDF in PHP, setX just indents first row

    - by Cinaird
    I use FPDF to creat PDF from PHP and i have a problem with the Write() function i use the following code and i want to indent the text block not just the first row: $pdf->SetX(60); $pdf->Write(5,'' . str_repeat( ' This is a test of setX.', 30 )); but as you can understand it's just indents the first row, any idea on how to move the whole text mas?

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  • RJS in controller

    - by Jamal Abdul Nasir
    i have put the following rjs in a controller... but it gives me the following error... TypeError: Element.update is not a function respond_to do |format| format.js do responds_to_parent do render :update do |page| page.replace_html 'errorLay', :text => "Page with the same name already exists." page.show 'errorLay' page.delay(2) do page.hide 'errorLay' end end end end end so how can i get rid of this error...?

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  • Hosting a WCF Service Lib through a Windows service get a System.InvalidOperationException: attempti

    - by JohnL
    I have a WCF Service Library containing five service contracts. The library is hosted through a Windows Service. Most if not all my configuration for the WCF Library is declaritive. The only thing I am doing in code for configuration is to pass the type of the class implementing the service contracts into ServiceHost. I then call Open on each of the services during the Windows Service OnStart event. Here is the error message I get: Service cannot be started. System.InvalidOperationException: Service '[Fubu.Conversion.Service1' has zero application (non-infrastructure) endpoints. This might be because no configuration file was found for your application, or because no service element matching the service name could be found in the configuration file, or because no endpoints were defined in the service element. at System.ServiceModel.Description.DispatcherBuilder.EnsureThereAreNonMexEndpoints(ServiceDescription description) at System.ServiceModel.Description.DispatcherBuilder.InitializeServiceHost(ServiceDescription description, ServiceHostBase serviceHost) at System.ServiceModel.ServiceHostBase.InitializeRuntime() at System.ServiceModel.ServiceHostBase.OnBeginOpen() at System.ServiceModel.ServiceHostBase.OnOpen(TimeSpan timeout) at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout) at System.ServiceModel.Channels.CommunicationObject.Open() at Fubu.RemotingHost.RemotingHost.StartServ... protected override void OnStart(string[] args) { // Uncomment to debug this properly //System.Diagnostics.Debugger.Break(); StartService1(); StartService2(); StartService3(); StartService4(); StartService5(); } Each of the above simply do the following: private void StartSecurityService() { host = new ServiceHost(typeof(Service1)); host.Open(); } Service Lib app.congfig summary <services> <service behaviorConfiguration="DefaultServiceBehavior" name="Fubu.Conversion.Service1"> <endpoint address="" binding="netTcpBinding" bindingConfiguration="TCPBindingConfig" name="Service1" bindingName="TCPEndPoint" contract="Fubu.Conversion.IService1"> <identity> <dns value="localhost" /> </identity> </endpoint> <endpoint address="mex" binding="mexTcpBinding" bindingConfiguration="" name="mexSecurity" bindingName="TcpMetaData" contract="IMetadataExchange" /> <host> <baseAddresses> <add baseAddress="net.tcp://localhost:8025/Fubu/Conversion/Service1/" /> </baseAddresses> </host> </service> ... Contract is set up as follows: namespace Fubu.Conversion.Service1 { [ServiceContract(Namespace = "net.tcp://localhost:8025/Fubu")] public interface IService1 { I have looked "high and low" for a solution without any luck. Is the answer obvious? The solution to this does not appear to be. Thanks

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