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• Access denied when trying to open files/folders after reinstall [closed]

  - by user711532

  Possible Duplicate: Access Denied when saving a file in Windows 7 I installed Windows 7 fresh on a new machine. Now when I unarchive (winrar or 7z etc. ) to Program files (x86) (for example), access denied. Even if I copy a file to a folder I installed an app to it is still access denied. I checked the security, it looks like full control is given to the creator - this is weird as I never ran across this before (same version of Windows 7 - its just a fresh install after some new hardware). It is the same effect as if I was editing the hosts file, and you do not use "run as admin" you will not be able to save it, yo will have to save it somewhere else. This "file copy" issue I ran into is the same. I could change all these permissions, however this is something I never had to do before. I am the admin, why did the install, not give me "full control"? How can this be globally fixed. I cannot change the permissions - they are greyed out - so that is weird as well. If I was a standard reason, It would make sense, however, again, I am the admin.

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• Error Trying to open Word

  - by John

  When I attempt to open Word 2003 I receive the following error "Windows cannot access the specified device, path or file. You may not have the appropriate permissions to access the item." This has only just started occurring. The operating System is Windows XP Professional

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• jQuery FullCalendar - trying to add event and display on calendar failed

  - by Michael Mao

  Hi all: I am trying to work out how to use Adam Shaw's brilliant jQuery plugin - FullCalendar to add an event on our project : online balloon ordering page under development Basically, if you click on "step1" and choose "pickup in shop" , the page will bring you to the calendar view, where you could click on the upper-right corner at the "week" button to alter the view to a weekly basis. What I am trying to achieve is when client clicks on an empty slot in a day, she can create her event on that spot. Here is my code in custom.js: dayClick: function() { var n = parseInt(this.className.match(/fc\-slot(\d+)/)[1]); alert('a day has been clicked on slot ' + n); //trying to add an event using the renderEvent() method. $('#' + type + 'Calendar').fullCalendar('renderEvent', { title : 'my pickup slot', start : new Date(y,m,d, 12, 30), end : new Date(y,m,d, 13, 00), }); } It tries to use the FullCalendar's API method renderEvent so to create such an event. However, although my code runs without error and I can see the prompt saying which slot has been clicked, It wouldn't render such an new event on calendar. Is there another way to do this or my code does something wrong? Any suggestion would be much appreciated, thanks a lot in advance.

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• VB.NET trying simple captcha

  - by Pride Grimm

  I'm trying to write a simple captcha program in vb.net. I'm just wanting to make an image from random numbers and display it, check the answer, and then proceed. I'm pretty new to vb.net, so I found some code to generate the information. I will cite the owner when I find it again (http://www.knowlegezone.com/80/article/Technology/Software/Asp-Net/Simple-ASP-NET-CAPTCHA-Tutorial) This is in the onload() of default2.aspx Public Sub returnNumer() Dim num1 As New Random Dim num2 As New Random Dim numQ1 As Integer Dim numQ2 As Integer Dim QString As String numQ1 = num1.Next(10, 15) numQ2 = num2.Next(17, 31) QString = numQ1.ToString + " + " + numQ2.ToString + " = " Session("answer") = numQ1 + numQ2 Dim bitmap As New Bitmap(85, 35) Dim Grfx As Graphics = Graphics.FromImage(bitmap) Dim font As New Font("Arial", 18, FontStyle.Bold, GraphicsUnit.Pixel) Dim Rect As New Rectangle(0, 0, 100, 50) Grfx.FillRectangle(Brushes.Brown, Rect) Grfx.DrawRectangle(Pens.PeachPuff, Rect) ' Border Grfx.DrawString(QString, font, Brushes.Azure, 0, 0) Response.ContentType = "Image/jpeg" bitmap.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg) bitmap.Dispose() Grfx.Dispose() End Sub So I put this in a separate page, like this This all works find and dandy, but when I get the answer from the session like this Dim literal As String = Convert.ToString(Session("answer")) It's always one behind. So if The images adds to 32, the answer in session isn't 32. But after a refresh (and a new image) the session("answer") will be 32. Is there a way to refresh the session on page 1, after the default2.aspx loads? Is there a better way to do this? I though about trying to run the code all on one page, and trying to set the src of and image to returnNumber(), but I need a bit of help on that one.

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• Problems while trying to make a query with variables in the conditions (stored procedure)

  - by pablo89

  Hi!! Im having a problem, Im trying to do a query... I remember that in the past I did something like this but today this query is returning nothing, no error, no data, just nothing... the query is something like this: SELECT field1, @variableX:=field2 FROM table WHERE (SELECT COUNT(fieldA) FROM table2 WHERE fieldB=@variableX AND fieldC=0)0 AND (SELECT COUNT(fieldA) FROM table2 WHERE fieldB=@variableX AND fieldC=4)=0; I also tried this query but it didnt work (also it gaves no error): SELECT field1, @variableX:=field2, @variableY:=(SELECT COUNT(fieldA) FROM table2 WHERE fieldB=@variableX AND fieldC=0), @variableZ:=(SELECT COUNT(fieldA) FROM table2 WHERE fieldB=@variableX AND fieldC=4) FROM table WHERE @variableY0 AND @variableZ=0; As you can see, what Im trying to do in the 1st query is use a variable in the conditions; in the 2nd query Im trying to create some variables and evaluate them in the conditions. At the end in the 2nd query the @variableY=1 AND @variableZ=0 but I dont know what the query returns an empty data What could be wrong here??? Any comment or suggest is welcome!!! thanks!!! Bye!!!

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• Trying to convert string to datetime

  - by user1596472

  I am trying to restrict a user from entering a new record if the date requested already exits. I was trying to do a count to see if the table that the record would be placed in already has that date 1 or not 0. I have a calendar extender attached to a text box which has the date. I keep getting either a: String was not recognized as a valid DateTime. or Unable to cast object of type 'System.Web.UI.WebControls.TextBox' to type 'System.IConvertible'. depending on the different things I have tried. Here is my code. TextBox startd = (TextBox)(DetailsView1.FindControl("TextBox5")); TextBox endd = (TextBox)(DetailsView1.FindControl("TextBox7")); DropDownList lvtype = (DropDownList)(DetailsView1.FindControl("DropDownList6")); DateTime scheduledDate = DateTime.ParseExact(startd.Text, "dd/MM/yyyy", null); DateTime endDate = DateTime.ParseExact(endd.Text, "dd/MM/yyyy", null); DateTime newstartDate = Convert.ToDateTime(startd.Text); DateTime newendDate = Convert.ToDateTime(endd.Text); //foreach (DataRow row in sd.Tables[0].Rows) DateTime dt = newstartDate; while (dt <= newendDate) { //for retreiving from table Decimal sd = SelectCountDate(dt, lvtype.SelectedValue, countDate); String ndt = Convert.ToDateTime(dt).ToShortDateString(); // //start = string.CompareOrdinal(scheduledDate, ndt); // // end = string.CompareOrdinal(endDate, ndt); //trying to make say when leavetpe is greater than count 1 then throw error. if (sd > 0) { Response.Write("<script>alert('Date Already Requested');</script>"); } dt.AddDays(1); } ^^^ This version throws the: "String was not recognized as valid date type" error But if i replace the string with either of these : /*-----------------------Original------------------------------------ string scheduledDate = Convert.ToDateTime(endd).ToShortDateString(); string endDate = Convert.ToDateTime(endd).ToShortDateString(); -------------------------------------------------------------------*/ /*----------10-30--------------------------------------- DateTime scheduledDate = DateTime.Parse(startd.Text); DateTime endDate = DateTime.Parse(endd.Text); ------------------------------------------------------*/ I get the "Unable to cast object of type 'System.Web.UI.WebControls.TextBox' to type 'System.IConvertible'." error. I am just trying to stop a user from entering a record date that already exits. <InsertItemTemplate> <asp:TextBox ID="TextBox5" runat="server" Height="19px" Text='<%# Bind("lstdate", "{0:MM/dd/yyyy}") %>' Width="67px"></asp:TextBox> <asp:CalendarExtender ID="TextBox5_CalendarExtender" runat="server" Enabled="True" TargetControlID="TextBox5"> </asp:CalendarExtender> <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ControlToValidate="TextBox5" ErrorMessage="*Leave Date Required" ForeColor="Red"></asp:RequiredFieldValidator> <br /> <asp:CompareValidator ID="CompareValidator18" runat="server" ControlToCompare="TextBox7" ControlToValidate="TextBox5" ErrorMessage="Leave date cannot be after start date" ForeColor="Red" Operator="LessThanEqual" ToolTip="Must choose start date before end date"></asp:CompareValidator> </InsertItemTemplate>

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• LitJSON's JsonMapper.ToJson error: Max allowed object depth reached while trying to export from type

  - by dev.e.loper

  I have an object that I would like to convert to json inside one of the object's methods. I'm using LitJson library. Like so: protected override void Render(HtmlTextWriter writer) { ... writer.AddAttribute(HtmlTextWriterAttribute.Value, JsonMapper.ToJson(this)); .... } However JsonMapper.ToJson(this) produces a server error "Max allowed object depth reached while trying to export from type System.Drawing.Color". My guess is that because its trying to convert an object inside itself its going into some kind of infinite loop. Just curious what is actually happening.

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• Trying to suppress StyleCop message SA1513:ClosingCurlyBracketMustBeFollowedByBlankLine

  - by mattruma

  I am trying to suppress the following StyleCop message for a specific property: SA1513: Statements or elements wrapped in curly brackets must be followed by a blank line. I am trying to do the following, but it doesn't seem to work: [SuppressMessage("Microsoft.StyleCop.CSharp.DocumentationRules", "SA1513:ClosingCurlyBracketMustBeFollowedByBlankLine", Justification = "There are no issues with this code")] public string CustomerId { get { return this.GetProperty(CustomerIdProperty); } set { if (this.IsNew) { this.SetProperty(CustomerIdProperty, value); } else { throw new ReadOnlyException("Id value can only be changed for a new record."); } } } Am I just doing something wrong? Or is this just not possible? It's a good rule, just not valid in my case for a property.

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• vs2010: trying to debug javascript using Chrome: this is not a valid location for a breakpoint

  - by George

  Everytime I try to set a debug point in Javascript, eietehr while in Design mode or while runniong, I get the error: trying to set a breakpoint in javascript: this is not a valid location for a breakpoint When I go to VS2010's Options screen under Debugging Just In Time, I see that Managed, Native & Script are selected, I also placed the line "debugger;" in the first line of a javascript function that is called but the break is never hit. In the Web.Config (although this is probably for compiled code:): <compilation debug="true I'm reliving this problem on a new machine...Can u help? Edit: I left out a huge detail: Google Chrome is my default browser. (I am trying to debug a Chrome-only error.) Must I resort to other debug tools other than VS2010? I am thinking that it should work. Too hopeful, eh?

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• Python beautifulsoup trying to remove html tags 'span'

  - by Michelle Jun Lee

  I am trying to remove [<span class="street-address"> 510 E Airline Way </span>] and I have used this clean function to remove the one that is in between < > def clean(val): if type(val) is not StringType: val = str(val) val = re.sub(r'<.*?>', '',val) val = re.sub("\s+" , " ", val) return val.strip() and it produces [ 510 E Airline Way ]` i am trying to add within "clean" function to remove the char '[' and ']' and basically i just want to get the "510 E Airline Way". anyone has any clue what can i add to clean function? thank you

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• trying to decide between asp.net and jsp

  - by Amir

  Hey Guys, I am wondering if anyone can shed some lights on the situation. I am about to start a project and trying to figure out what solution is best to go with asp.net or java jsp pages I have personally worked alot with .net and am really happy with the framework and Visual studio as IDE I find it easy to work with and there is a massive community support behind .net, i can get alot done quickly I have not every written anything use java jsp, there will be a learning curve here , so my experience is limited here. however after seeing jira i am very impressed with its capabilities, it has changed alot since the old days ( java 1.2 ) that i used to work with, and the fact that it runs under linux is a huge plus, so i am trying to decide is the learning curve, worth the price ? so given the situation above what would you recommended? Thanks, Amir

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• Trying to add trailing slash with htaccess, results in a absolute path

  - by Fredrik

  What I'm trying to achive is to have all urls on my page look like http://domain.com/page/, no extensions, but a trailing slash. If a user happends to write http://domain.com/page or http://domain.com/page.php it will redirect to the first url. After some googling i found this code, and it's close to working, but when you leave out the trailing slash in your request the url becomes something like http://domain.com/Users/"..."/page/ and therefor returns a 404. My .htaccess looks like this: RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{THE_REQUEST} ^GET\ /[^?\s]+\.php RewriteRule (.*)\.php$ /$1/ [L,R=301] RewriteCond %{REQUEST_FILENAME} !-d RewriteRule (.*)/$ $1.php [L] RewriteCond %{REQUEST_FILENAME} !(.*)/$ RewriteRule (.*)/$ $1.php [L] RewriteCond %{REQUEST_FILENAME}.php -f RewriteRule .*[^/]$ $0/ [L,R=301] I've been trying to add an additional rule but I really don't get any of this and I haven't been able to find any answers.

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• Trying to cause java.lang.OutOfMemoryException

  - by portoalet

  Hi, I am trying to reproduce java.lang.OutOfMemoryException in Jboss4, which one of our client got, presumably by running the J2EE applications over days/weeks. I am trying to find a way for the webapp to spitout java.lang.OutOfMemoryException in a matter of minutes (instead of days/weeks). One thing come into mind is to write a selenium script and has the script bombards the webapps. One other thing that we can do is to reduce JVM heap size, but we would prefer not to do this, as we want to see the limit of our system. Any suggestions? ps: I don't have access to the source code.

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• How do I solve this error, "error while trying to deserialize parameter"

  - by Paul Rowland

  I have a web service that is working fine in one environment but not in another. The web service gets document meta data from SharePoint, it running on a server where I cant debug but with logging I confirmed that the method enters and exits successfully. What could be the reason for the errors? The error message is, The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://CompanyName.com.au/ProjectName:GetDocumentMetaDataResponse. The InnerException message was 'Error in line 1 position 388. 'Element' 'CustomFields' from namespace 'http://CompanyName.com.au/ProjectName' is not expected. Expecting element 'Id'.'. Please see InnerException for more details. The InnerException was System.ServiceModel.Dispatcher.NetDispatcherFaultException was caught Message="The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://CompanyName.com.au/ProjectName:GetDocumentMetaDataResponse. The InnerException message was 'Error in line 1 position 388. 'Element' 'CustomFields' from namespace 'http://CompanyName.com.au/ProjectName' is not expected. Expecting element 'Id'.'. Please see InnerException for more details." Source="mscorlib" Action="http://schemas.microsoft.com/net/2005/12/windowscommunicationfoundation/dispatcher/fault" StackTrace: Server stack trace: at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.DeserializeParameterPart(XmlDictionaryReader reader, PartInfo part, Boolean isRequest) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.DeserializeParameter(XmlDictionaryReader reader, PartInfo part, Boolean isRequest) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.DeserializeParameters(XmlDictionaryReader reader, PartInfo[] parts, Object[] parameters, Boolean isRequest) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.DeserializeBody(XmlDictionaryReader reader, MessageVersion version, String action, MessageDescription messageDescription, Object[] parameters, Boolean isRequest) at System.ServiceModel.Dispatcher.OperationFormatter.DeserializeBodyContents(Message message, Object[] parameters, Boolean isRequest) at System.ServiceModel.Dispatcher.OperationFormatter.DeserializeReply(Message message, Object[] parameters) at System.ServiceModel.Dispatcher.ProxyOperationRuntime.AfterReply(ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs) at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation) at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at CompanyName.ProjectName.External.Sharepoint.WebServiceProxies.SharepointProjectNameSiteService.ProjectNameSiteSoap.GetDocumentMetaData(GetDocumentMetaDataRequest request) at CompanyName.ProjectName.External.Sharepoint.WebServiceProxies.SharepointProjectNameSiteService.ProjectNameSiteSoapClient.CompanyName.ProjectName.External.Sharepoint.WebServiceProxies.SharepointProjectNameSiteService.ProjectNameSiteSoap.GetDocumentMetaData(GetDocumentMetaDataRequest request) in D:\Source\TFSRoot\ProjectName\trunk\CodeBase\External\CompanyName.ProjectName.External.Sharepoint.WebServiceProxies\Service References\SharepointProjectNameSiteService\Reference.cs:line 2141 at CompanyName.ProjectName.External.Sharepoint.WebServiceProxies.SharepointProjectNameSiteService.ProjectNameSiteSoapClient.GetDocumentMetaData(ListSummaryDto listSummary, FileCriteriaDto criteria, List`1 customFields) in D:\Source\TFSRoot\ProjectName\trunk\CodeBase\External\CompanyName.ProjectName.External.Sharepoint.WebServiceProxies\Service References\SharepointProjectNameSiteService\Reference.cs:line 2150 at CompanyName.ProjectName.Services.Shared.SharepointAdapter.GetDocumentMetaData(ListSummaryDto listSummary, FileCriteriaDto criteria, List`1 customFields) in D:\Source\TFSRoot\ProjectName\trunk\CodeBase\Services\CompanyName.ProjectName.Services\Shared\SharepointAdapter.cs:line 260 at CompanyName.ProjectName.Services.Project.ProjectDocumentService.SetSharepointDocumentData(List`1 sourceDocuments) in D:\Source\TFSRoot\ProjectName\trunk\CodeBase\Services\CompanyName.ProjectName.Services\Project\ProjectDocumentService.cs:line 1963 at CompanyName.ProjectName.Services.Project.ProjectDocumentService.GetProjectConversionDocumentsImplementation(Int32 projectId) in D:\Source\TFSRoot\ProjectName\trunk\CodeBase\Services\CompanyName.ProjectName.Services\Project\ProjectDocumentService.cs:line 3212 InnerException: System.Runtime.Serialization.SerializationException Message="Error in line 1 position 388. 'Element' 'CustomFields' from namespace 'http://CompanyName.com.au/ProjectName' is not expected. Expecting element 'Id'." Source="System.Runtime.Serialization" StackTrace: at System.Runtime.Serialization.XmlObjectSerializerReadContext.ThrowRequiredMemberMissingException(XmlReaderDelegator xmlReader, Int32 memberIndex, Int32 requiredIndex, XmlDictionaryString[] memberNames) at System.Runtime.Serialization.XmlObjectSerializerReadContext.GetMemberIndexWithRequiredMembers(XmlReaderDelegator xmlReader, XmlDictionaryString[] memberNames, XmlDictionaryString[] memberNamespaces, Int32 memberIndex, Int32 requiredIndex, ExtensionDataObject extensionData) at ReadFileMetaDataDtoFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] ) at System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context) at System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader) at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator reader, String name, String ns, DataContract& dataContract) at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator xmlReader, Int32 id, RuntimeTypeHandle declaredTypeHandle, String name, String ns) at ReadArrayOfFileMetaDataDtoFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString , XmlDictionaryString , CollectionDataContract ) at System.Runtime.Serialization.CollectionDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context) at System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader) at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator reader, String name, String ns, DataContract& dataContract) at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator xmlReader, Int32 id, RuntimeTypeHandle declaredTypeHandle, String name, String ns) at ReadMetaDataSearchResultsDtoFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] ) at System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context) at System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader) at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator reader, String name, String ns, DataContract& dataContract) at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator xmlReader, Int32 id, RuntimeTypeHandle declaredTypeHandle, String name, String ns) at ReadGetDocumentMetaDataResponseBodyFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] ) at System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context) at System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader) at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator reader, String name, String ns, DataContract& dataContract) at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator xmlReader, Type declaredType, DataContract dataContract, String name, String ns) at System.Runtime.Serialization.DataContractSerializer.InternalReadObject(XmlReaderDelegator xmlReader, Boolean verifyObjectName) at System.Runtime.Serialization.XmlObjectSerializer.ReadObjectHandleExceptions(XmlReaderDelegator reader, Boolean verifyObjectName) at System.Runtime.Serialization.DataContractSerializer.ReadObject(XmlDictionaryReader reader, Boolean verifyObjectName) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.DeserializeParameterPart(XmlDictionaryReader reader, PartInfo part, Boolean isRequest) InnerException:

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• problem with trying to create ssms add-in

  - by Karl

  I'm trying to create an add-in for SSMS 2008 and/or 2008 R2 but I've run into a problem straight away. I can get my add-in to work and on SSMS start-up get it to simply show a message box. However, after downloading various code-samples, when trying to reference Microsoft.SqlServer.Management.UI.VSIntegration.ServiceCache I get a null reference exception: Commands2 commands = (Commands2)ServiceCache.ExtensibilityModel.Commands; I get this problem when using SSMS 2008 or SSMS 2008 R2. I'm working on Visual Studio 2010. It's a bit frustrating because I'm keen to learn more about SSMS add-ins but can't seem to get past the few samples out there. Any advice/tips appreciated. Thanks

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• Trying to build automatic audio-conferencing capability into a WebApp

  - by Keller

  Hey all, I'm working with a team of relatively novice programmers, and we are trying to create a site that will have audio-conferencing capabilities such that whenever someone visits the page, they will immediately have audio-conferencing capabilities with everyone else on the page (5 people max). Can anyone point us in a general direction? Should we be looking into building a custom app, leveraging audio conferencing software, or trying to mimic a webex program? Would Adobe Stratus be useful in getting this kind of functionality? Does anyone have any ideas about how we would design something like this on a macro level? Sorry for the noobish question, but any guidance would be deeply appreciated. Thanks, Keller

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• Trying to execute netdom.exe from a ruby script or IRB does nothing

  - by Joraff

  I'm trying to write a script that will rename a computer and join it to a domain, and was planning to call on netdom.exe to do the dirty work. However, trying to run this utility in the script (same results in irb) does absolutely nothing. No output, no execution. I tried with backticks and with the system() method. System() returns false for everything but system("netdom") (which returns true). Backticks never return anything but an empty string. I have verified that netdom runs and works in the environment the script will be running in, and I'm calling other command-line utilities earlier in the script that work (w32tm, getmac, ping). Here's the exact line that gets executed: `netdom renamecomputer %COMPUTERNAME% /NewName:#{newname} /force` FYI, This is windows 7 x64

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• Error when trying to use PDO object

  - by Nate

  EDIT: I'm going to put my code in here due to comments below. So sit tight for a few minutes ;-) Thanks! I'm an inexperienced php programmer and only found out about PDO a few days ago. I'm now trying to port my website code over to using PDO, but I am getting an error when I try to use the PDO object that I create. I'm using a CMS on my website, and it makes building page output kind of complicated, but I've tried to draw the structure of what is being called below: index.php -class myClass defined --method myFunction defined (it gets called on pageload & returns the page output) ---include file1.php ----require_once('mysql_connect.php') (creates pdo object) ----*I can use the pdo object here successfully* ----require_once('file2.php') -----require_once('mysql_connect.php') -----function myFunction2 defined ------*trying to use the pdo object here results in the error* The error I'm getting is: Fatal error: Call to a member function prepare() on a non-object in /home/rgcpanel/public_html/account/account_functions.php on line 147 Any idea what's going on?

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• Exception while trying to deserialize JSON into EntityFramework using JavaScriptSerializer

  - by Barak

  I'm trying to deserialize JSON which I'm getting from an external source into an Entity Framework entity class using the following code: var serializer = new JavaScriptSerializer(); IList<Feature> obj = serializer.Deserialize<IList<Feature>>(json); The following exception is thrown: Object of type 'System.Collections.Generic.List1[JustTime.Task]' cannot be converted to type 'System.Data.Objects.DataClasses.EntityCollection1[JustTime.Task]'. My model is simple: The Feature class has a one-to-many relation to the Tasks class. The problem appears to be the deserializer is trying to create a generic List to hold the collection of tasks instead of an EntityCollection. I've tried implementing a JavaScriptConverted which would handle System.Collections.Generic.List but it didn't get called by the deserializer.

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• Trying to catch integrity error with sqlaclhemey

  - by Lostsoul

  I'm having problems with trying to catch a error. I'm using pyramid/sqlalchemy and made a sign up form with email as the primary key. The problem is when a duplicate email is entered it raises a IntegrityError, so I'm trying to catch that error and provide a message but no matter what I do I can't catch it(the error keeps appearing). try: new_user = Users(email, firstname, lastname, password) DBSession.add(new_user) return HTTPFound(location = request.route_url('new')) except IntegrityError: message1 = "Yikes! Your email already exists in our system. Did you forget your password?" I get the same message when I tried except exc.SQLAlchemyError (although I want to catch specific errors and not a blanket catch all). Is there something wrong with my python syntax? or is there something I need to do special in sqlalchemy to catch it?

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• Implications of trying to double free memory space in C

  - by SidNoob

  Here' my piece of code: #include <stdio.h> #include<stdlib.h> struct student{ char *name; }; int main() { struct student s; s.name = malloc(sizeof(char *)); // I hope this is the right way... printf("Name: "); scanf("%[^\n]", s.name); printf("You Entered: \n\n"); printf("%s\n", s.name); free(s.name); // This will cause my code to break } All I know is that dynamic allocation on the 'heap' needs to be freed. My question is, when I run the program, sometimes the code runs successfully. i.e. ./struct Name: Thisis Myname You Entered: Thisis Myname I tried reading this I've concluded that I'm trying to double-free a piece of memory i.e. I'm trying to free a piece of memory that is already free? (hope I'm correct here. If Yes, what could be the Security Implications of a double-free?) While it fails sometimes as its supposed to: ./struct Name: CrazyFishMotorhead Rider You Entered: CrazyFishMotorhead Rider *** glibc detected *** ./struct: free(): invalid next size (fast): 0x08adb008 *** ======= Backtrace: ========= /lib/tls/i686/cmov/libc.so.6(+0x6b161)[0xb7612161] /lib/tls/i686/cmov/libc.so.6(+0x6c9b8)[0xb76139b8] /lib/tls/i686/cmov/libc.so.6(cfree+0x6d)[0xb7616a9d] ./struct[0x8048533] /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xb75bdbd6] ./struct[0x8048441] ======= Memory map: ======== 08048000-08049000 r-xp 00000000 08:01 288098 /root/struct 08049000-0804a000 r--p 00000000 08:01 288098 /root/struct 0804a000-0804b000 rw-p 00001000 08:01 288098 /root/struct 08adb000-08afc000 rw-p 00000000 00:00 0 [heap] b7400000-b7421000 rw-p 00000000 00:00 0 b7421000-b7500000 ---p 00000000 00:00 0 b7575000-b7592000 r-xp 00000000 08:01 788956 /lib/libgcc_s.so.1 b7592000-b7593000 r--p 0001c000 08:01 788956 /lib/libgcc_s.so.1 b7593000-b7594000 rw-p 0001d000 08:01 788956 /lib/libgcc_s.so.1 b75a6000-b75a7000 rw-p 00000000 00:00 0 b75a7000-b76fa000 r-xp 00000000 08:01 920678 /lib/tls/i686/cmov/libc-2.11.1.so b76fa000-b76fc000 r--p 00153000 08:01 920678 /lib/tls/i686/cmov/libc-2.11.1.so b76fc000-b76fd000 rw-p 00155000 08:01 920678 /lib/tls/i686/cmov/libc-2.11.1.so b76fd000-b7700000 rw-p 00000000 00:00 0 b7710000-b7714000 rw-p 00000000 00:00 0 b7714000-b7715000 r-xp 00000000 00:00 0 [vdso] b7715000-b7730000 r-xp 00000000 08:01 788898 /lib/ld-2.11.1.so b7730000-b7731000 r--p 0001a000 08:01 788898 /lib/ld-2.11.1.so b7731000-b7732000 rw-p 0001b000 08:01 788898 /lib/ld-2.11.1.so bffd5000-bfff6000 rw-p 00000000 00:00 0 [stack] Aborted So why is it that my code does work sometimes? i.e. the compiler is not able to detect at times that I'm trying to free an already freed memory. Has it got to do something with my stack/heap size?

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• Trying to dynamically expand different divs with one function

  - by Matt Nathanson

  I'm trying to be able to dynamically expand / collapse multiple divs with the same code.... it's controlled with the click of a span (toggle) and then i'm trying to get the next id(the div that would slide up and down) $('span').toggle( function() { $('#albumholder').slideToggle(600); $(this).html('-');}, function() { $('#albumholder').slideToggle(600); $(this).html('+');} ); This code works to expand 1 div... but assume i have a divs #downloadholder#linksholderetc... How can i achieve the same effect with the same code? Thanks!

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• Trying to simplify some Javascript with closures

  - by mvalente

  Hi, I'm trying to simplify some JS code that uses closures but I am getting nowhere (probably because I'm not grokking closures) I have some code that looks like this: var server = http.createServer(function (request, response) { var httpmethods = { "GET": function() { alert('GET') }, "PUT": function() { alert('PUT') } }; }); And I'm trying to simplify it in this way: var server = http.createServer(function (request, response) { var httpmethods = { "GET": function() { alertGET() }, "PUT": function() { alertPUT() } }; }); function alertGET() { alert('GET'); } function alertPUT() { alert('PUT'); } Unfortunately that doesnt seem to work... Thus: - what am I doing wrong? - is it possible to do this? - how? TIA -- MV

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• trying to put an mysql result into a string

  - by user1583432

  I'm trying to put an mysql query result into an string I tried to find an answer but all the similar posts were getting subquery answers which is not what I'm trying to do. for example Fruits_tbl ID Fruit Color Number __________________________________ 2 Apple Red 5 $sql = "select Fruits,Color,Number from Fruits_tbl where ID = 2"; $result = $pdo->query($sql); $row = $result->fetch(); print_r($row); This will give me something like Array([0]="Apple", [1]="Red", [2]="5", [Fruit]="Apple", [Color]="Red", [Number]="5") implode will give me 2 of each I want just need a string = "Apple, Red, 5" what I currently have is $string = $row[Fruit].", ".$row[Color].", ".$row['Number'] As you can see that's rather tedious. Is there something like implode but only return the index array or something?

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• Trying to create C++/CLI assembly for use in .NET

  - by Bad Man

  I'm trying to bring a C++ library into C#, so naturally I am trying to make a C++/CLI project. In visual studio I created a new project (Visual C++ project, class library). I then tried to make a test class out of the pre-generated "Class1" namespace Test { public ref class TestIt { public: void DoWork() { System::Console::WriteLine("sup"); } // TODO: Add your methods for this class here. }; } So I compile in and go to the build folder.... hrmm no .dll wetf?? There's a .dll.intermediate.manifest file, but no .dll. So wut I did wrong?

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