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• Updating a status on a Winform in BackgroundWorker

  - by Mike Wills

  I have a multi-step BackgroundWorker process. I use a marquee progress bar because several of these steps are run on a iSeries server so there isn't any good way to determine a percentage. What I am envisioning is a label with updates after every step. How would you recommend updating a label on a winform to reflect each step? Figured I would add a bit more. I call some CL and RPG programs via a stored procedure on an iSeries (or IBM i or AS/400 or a midrange computer running OS/400... er... i5/OS (damn you IBM for not keeping the same name year-to-year)). Anyway I have to wait until that step is fully complete before I can continue on the winform side. I was thinking of sending feedback to the user giving the major steps. Dumping data to iSeries Running month-end Creating reports Uploading final results I probably should have given this in the beginning. Sorry about that. I try to keep my questions general enough for others to make use of later rather than my specific task.

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• jQuery Autocomplete - Multicolumn and Return Data rather than Value

  - by MarkRobinson

  I am currently using the DevBridge jQuery Autocomplete plugin - it works fine as is, however I would like to display the returned information in a multi-column view, but yet when clicked only return the first value. HTML <form class="form" action="index.php" onsubmit="alert('Submit Form Event'); return false;"> <div id="selection"></div> <input type="text" name="q" id="query" class="textbox" /> </form> Javascript jQuery(function() { var options = { serviceUrl: '/autocompleterequestcall.php', maxHeight:400, width:600, fnFormatResult: fnFormatResult, deferRequestBy: 0 //miliseconds }; a1 = $('#query').autocomplete(options); }); So I expect I would need to use the fnFormatResult to somehow display the multicolumn values, which are separated by |, ie. REFERENCEID | POSTCODE | ADDRESS_LINE_1 | SURNAME I would have liked to wrap the whole return up as a <table> but I can't figure out where to put the start <table> and end </table> tags, or do I just replace | with </div><div>. Then, when an item is selected, instead of returning REFERENCEID | POSTCODE | ADDRESS_LINE_1 | SURNAME I would just like to see REFERENCEID

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• using Quick Sequence Diagram Editor for sequence diagrams

  - by Jason S

  Anyone have experience with Quick Sequence Diagram Editor? The combination of instant display + text source code + Java implementation is very attractive to me, but I can't quite figure out how to make the syntax do what I want, and the documentation's not very clear. Here's a contrived example: al:Actor bill:Actor atm:ATM[a] bank:Bank[a] al:atm.give me $10 atm:al has $3=bank.check al's account balance al:atm.what time is it atm:al.it's now atm:al.stop bugging me atm:al.you only have $3 atm:bill.and don't you open your mouth bill:atm.who asked you? bill:atm.give me $20 al:atm.hey, I'm not finished! atm:bill has $765=bank.check bill's account balance atm:yes I'm sure, bill has $765=bank.hmm are you sure? atm:bill.here's $20, now go away atm:great, he's a cool dude=bank.I just gave Bill $20 al:atm.what about my $10? atm:al.read my lips: you only have $3 Here's the result from QSDE in single-threaded mode: and in multi-threaded mode: I guess I'm not clear what starts/ends those vertical bars. I have a situation which is single-threaded, but there's state involved, and all the messages are asynchronous. I guess that means I should use an external object to represent that state and its lifetime. What I want is for one timeline to represent the message sequence al:atm.give me $10 atm:bank.check al's account balance bank:atm.al has $3 atm:al.you only have $3 and another timeline to represent the message sequence bill:atm.give me $20 atm:bank.check bill's account balance bank:atm.bill has $765 atm:bank.hmm are you sure? bank:atm.yes I'm sure, bill has $765 atm:bill.here's $20, now go away atm:bank.I just gave Bill $20 bank:atm.great, he's a cool dude with the other "wisecracks" representing other miscellaneous messages that I don't care about right now. Is there a way to do this with QSDE?

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• c# SmtpClient class not able to send email using gmail

  - by Sir Psycho

  Hi, I'm having trouble with this code sending email using my gmail account. Im pulling my hair out. The same settings work fine in Thunderbird. Heres the code. I've also tried port 465 with no luck. SmtpClient ss = new SmtpClient("smtp.gmail.com", 587); ss.Credentials = new NetworkCredential("username", "pass"); ss.EnableSsl = true; ss.Timeout = 10000; ss.DeliveryMethod = SmtpDeliveryMethod.Network; ss.UseDefaultCredentials = false; MailMessage mm = new MailMessage("[email protected]", "[email protected]", "subject here", "my body"); mm.BodyEncoding = UTF8Encoding.UTF8; mm.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure; ss.Send(mm); Heres the error "The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. Learn more at " Heres the stack trace at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, String from) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at email_example.Program.Main(String[] args) in C:\Users\Vince\Documents\Visual Studio 2008\Projects\email example\email example\Program.cs:line 23 at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart()

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• CPUID on Intel i7 processors

  - by StarPacker

  I'm having an issue with my CPUID-based code on newer i7-based machines. It is detecting the CPU as having a single core with 8 HT units instead of 4 cores each with 2 HT units. I must be misinterpreting the results of the CPUID information coming back from the CPU, but I can't see how. Basically, I iterate through each processor visible to Windows, set thread affinity to that thread and then make a sequence of CPUID calls. args = new CPUID_Args(); args.eax = 1; executeHandler(ref args); if (0 != (args.edx & (0x1 << 28))) { //If the 28th bit in EDX is flagged, this processor supports multiple logical processors per physical package // in this case bits 23:16 of EBX should give the count. //** EBX here is 0x2100800 logicalProcessorCount = (args.ebx & 0x00FF0000) >> 16; //** this tells me there are 16 logical processors (wrong) } else { logicalProcessorCount = 1; } apic = unchecked((byte)((0xFF000000 & args.ebx) >> 24)); if (maximumSupportedCPUID >= 4) { args = new CPUID_Args(); args.eax = 4; executeHandler(ref args); //EAX now contains 0x1C004121 coreCount = 1 + ((args.eax & 0xFC000000) >> 26); //This calculates coreCount as 8 } else { coreCount = 1; } This sequence repeats for the remainder of the CPUs in the system. Has anyone faced this before?

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• How to parse nagios status.dat file?

  - by daniels

  I'd like to parse status.dat file for nagios3 and output as xml with a python script. The xml part is the easy one but how do I go about parsing the file? Use multi line regex? It's possible the file will be large as many hosts and services are monitored, will loading the whole file in memory be wise? I only need to extract services that have critical state and host they belong to. Any help and pointing in the right direction will be highly appreciated. LE Here's how the file looks: ######################################## # NAGIOS STATUS FILE # # THIS FILE IS AUTOMATICALLY GENERATED # BY NAGIOS. DO NOT MODIFY THIS FILE! ######################################## info { created=1233491098 version=2.11 } program { modified_host_attributes=0 modified_service_attributes=0 nagios_pid=15015 daemon_mode=1 program_start=1233490393 last_command_check=0 last_log_rotation=0 enable_notifications=1 active_service_checks_enabled=1 passive_service_checks_enabled=1 active_host_checks_enabled=1 passive_host_checks_enabled=1 enable_event_handlers=1 obsess_over_services=0 obsess_over_hosts=0 check_service_freshness=1 check_host_freshness=0 enable_flap_detection=0 enable_failure_prediction=1 process_performance_data=0 global_host_event_handler= global_service_event_handler= total_external_command_buffer_slots=4096 used_external_command_buffer_slots=0 high_external_command_buffer_slots=0 total_check_result_buffer_slots=4096 used_check_result_buffer_slots=0 high_check_result_buffer_slots=2 } host { host_name=localhost modified_attributes=0 check_command=check-host-alive event_handler= has_been_checked=1 should_be_scheduled=0 check_execution_time=0.019 check_latency=0.000 check_type=0 current_state=0 last_hard_state=0 plugin_output=PING OK - Packet loss = 0%, RTA = 3.57 ms performance_data= last_check=1233490883 next_check=0 current_attempt=1 max_attempts=10 state_type=1 last_state_change=1233489475 last_hard_state_change=1233489475 last_time_up=1233490883 last_time_down=0 last_time_unreachable=0 last_notification=0 next_notification=0 no_more_notifications=0 current_notification_number=0 notifications_enabled=1 problem_has_been_acknowledged=0 acknowledgement_type=0 active_checks_enabled=1 passive_checks_enabled=1 event_handler_enabled=1 flap_detection_enabled=1 failure_prediction_enabled=1 process_performance_data=1 obsess_over_host=1 last_update=1233491098 is_flapping=0 percent_state_change=0.00 scheduled_downtime_depth=0 } service { host_name=gateway service_description=PING modified_attributes=0 check_command=check_ping!100.0,20%!500.0,60% event_handler= has_been_checked=1 should_be_scheduled=1 check_execution_time=4.017 check_latency=0.210 check_type=0 current_state=0 last_hard_state=0 current_attempt=1 max_attempts=4 state_type=1 last_state_change=1233489432 last_hard_state_change=1233489432 last_time_ok=1233491078 last_time_warning=0 last_time_unknown=0 last_time_critical=0 plugin_output=PING OK - Packet loss = 0%, RTA = 2.98 ms performance_data= last_check=1233491078 next_check=1233491378 current_notification_number=0 last_notification=0 next_notification=0 no_more_notifications=0 notifications_enabled=1 active_checks_enabled=1 passive_checks_enabled=1 event_handler_enabled=1 problem_has_been_acknowledged=0 acknowledgement_type=0 flap_detection_enabled=1 failure_prediction_enabled=1 process_performance_data=1 obsess_over_service=1 last_update=1233491098 is_flapping=0 percent_state_change=0.00 scheduled_downtime_depth=0 } It can have any number of hosts and a host can have any number of services.

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• C# code to GZip and upload a string to Amazon S3

  - by BigJoe714

  Hello. I currently use the following code to retrieve and decompress string data from Amazon C#: GetObjectRequest getObjectRequest = new GetObjectRequest().WithBucketName(bucketName).WithKey(key); using (S3Response getObjectResponse = client.GetObject(getObjectRequest)) { using (Stream s = getObjectResponse.ResponseStream) { using (GZipStream gzipStream = new GZipStream(s, CompressionMode.Decompress)) { StreamReader Reader = new StreamReader(gzipStream, Encoding.Default); string Html = Reader.ReadToEnd(); parseFile(Html); } } } I want to reverse this code so that I can compress and upload string data to S3 without being written to disk. I tried the following, but I am getting an Exception: using (AmazonS3 client = Amazon.AWSClientFactory.CreateAmazonS3Client(AWSAccessKeyID, AWSSecretAccessKeyID)) { string awsPath = AWSS3PrefixPath + "/" + keyName+ ".htm.gz"; byte[] buffer = Encoding.UTF8.GetBytes(content); using (MemoryStream ms = new MemoryStream()) { using (GZipStream zip = new GZipStream(ms, CompressionMode.Compress)) { zip.Write(buffer, 0, buffer.Length); PutObjectRequest request = new PutObjectRequest(); request.InputStream = ms; request.Key = awsPath; request.BucketName = AWSS3BuckenName; using (S3Response putResponse = client.PutObject(request)) { //process response } } } } The exception I am getting is: Cannot access a closed Stream. What am I doing wrong?

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• Error editing a blob field in ArcGIS Engine

  - by Victor Grigoriu

  I have a GIS layer backed by a MSSQL db. The features on the layer have, say, one field of type esriFieldTypeString and one of type esriFieldTypeBlob. I can edit the string field just fine, but, when I try to edit a blob, StopEditOperation() throws a very generic exception (message: "Error HRESULT E_FAIL has been returned from a call to a COM component.", error code: -2147467259). I couldn't find anything related in the server log. Does anyone have any idea what's going on? IServerContext serverContext = GetServerContext(agsConn, serviceName); ILayer layer = GetILayer(layerName, serverContext); IWorkspace workspace = GetIWorkspace(layer); var feature = GetIFeature(objectId, workspace, layer); var workspaceEdit = (IWorkspaceEdit)workspace; workspaceEdit.StartEditing(false); workspaceEdit.StartEditOperation(); var index = feature.Fields.FindField(featureDetailName); IField field = feature.Fields.get_Field(index); byte[] byteArray = {1, 2, 3}; MemoryBlobStream blob = new MemoryBlobStream(); ((IMemoryBlobStreamVariant)blob).ImportFromVariant(byteArray); if (field.CheckValue(blob)) { feature.set_Value(index, blob); } feature.Store(); workspaceEdit.StopEditOperation(); workspaceEdit.StopEditing(true); serverContext.RemoveAll(); serverContext.ReleaseContext();

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• Compare base class part of sub class instance to another base class instance

  - by Anders Abel

  I have number of DTO classes in a system. They are organized in an inheritance hierarchy. class Person { public int Id { get; set; } public string FirstName { get; set; } public string ListName { get; set; } } class PersonDetailed : Person { public string WorkPhone { get; set; } public string HomePhone { get; set; } public byte[] Image { get; set; } } The reason for splitting it up is to be able to get a list of people for e.g. search results, without having to drag the heavy image and phone numbers along. Then the full PersonDetail DTO is loaded when the details for one person is selected. The problem I have run into is comparing these when writing unit tests. Assume I have Person p1 = myService.GetAPerson(); PersonDetailed p2 = myService.GetAPersonDetailed(); // How do I compare the base class part of p2 to p1? Assert.AreEqual(p1, p2); The Assert above will fail, as p1 and p2 are different classes. Is it possible to somehow only compare the base class part of p2 to p1? Should I implement IEquatable<> on Person? Other suggestions?

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• Code Golf: 1x1 black pixel

  - by Joey Adams

  Recently, I used my favorite image editor to make a 1x1 black pixel (which can come in handy when you want to draw solid boxes in HTML cheaply). Even though I made it a monochrome PNG, it came out to be 120 bytes! I mean, that's kind of steep. 120 bytes. For one pixel. I then converted it to a GIF, which dropped the size down to 43 bytes. Much better, but still... Challenge The shortest image file or program that is or generates a 1x1 black pixel. A submission may be: An image file that represents a 1x1 black pixel. The format chosen must be able to represent larger images than 1x1, and cannot be ad-hoc (that is, it can't be an image format you just made up for code golf). Image files will be ranked by byte count. A program that generates such an image file. Programs will be ranked by character count, as usual in code golf. As long as an answer falls into one of these two categories, anything is fair game.

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• ListView + MultipleSelect + MVVM = ?

  - by Dave

  If I were to say "the heck with it!", I could just give my ListView with SelectionMode="Multiple" a name, and be able to get all of the selected items very easily. But I'm trying to stick to MVVM as much as possible, and I want to somehow databind to an ObservableCollection that holds the value from the Name column for each selected item. How in the world do you do this? Single selection is simple, but the multi selection solution is not obvious to me with my current WPF / MVVM knowledge. I read this question on SO, and while it does give me some good insight, I don't know how to add the necessary binding to a row, because I am using a ListView with a GridView as its View, not a ListBox. Here's what my XAML basically looks like: <ListView DockPanel.Dock="Top" ItemsSource="{Binding ClientPreview}" SelectionMode="Multiple"> <ListView.View> <GridView AllowsColumnReorder="False"> <GridViewColumn Header="Name"> <GridViewColumn.CellTemplate> <DataTemplate> <TextBlock Text="{Binding Path=Name}" /> </DataTemplate> </GridViewColumn.CellTemplate> </GridViewColumn> <GridViewColumn Header="Address"> <GridViewColumn.CellTemplate> <DataTemplate> <TextBlock Text="{Binding Path=Address}" /> </DataTemplate> </GridViewColumn.CellTemplate> </GridViewColumn> </GridView> </ListView.View> </ListView> It sounds like the right thing to do is to databind each row's IsSelected property to each object stored in the ObservableCollection I'm databinding to. I just haven't figured out how to do this.

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• The file is damaged and could not be repaired

  - by acadia

  Hello Experts, I am trying to display a PDF file in my ASP.net page based on the binary data received from the ASP.net Web service. Below is the code. though I am getting the data from the Web Service for some reason, if I run the below mentioned code on page load I am getting the above mentioned error. Please help Response.Buffer = True Response.ContentType = "application/pdf" Response.AddHeader("Content-Disposition", "Inline") Dim ws As New imageGenService.Service1 Dim imagebyte As Byte() = Nothing imagebyte = ws.generateSamplePDF() If imagebyte IsNot Nothing Then '"attachment; filename=Whatever.pdf" Dim MemStream As New System.IO.MemoryStream Dim doc As New iTextSharp.text.Document Dim reader As iTextSharp.text.pdf.PdfReader Dim numberOfPages As Integer Dim currentPageNumber As Integer Dim writer As iTextSharp.text.pdf.PdfWriter = iTextSharp.text.pdf.PdfWriter.GetInstance(doc, MemStream) doc.Open() Dim cb As iTextSharp.text.pdf.PdfContentByte = writer.DirectContent Dim page As iTextSharp.text.pdf.PdfImportedPage Dim rotation As Integer reader = New iTextSharp.text.pdf.PdfReader(imagebyte) numberOfPages = reader.NumberOfPages currentPageNumber = 0 Do While (currentPageNumber < numberOfPages) currentPageNumber += 1 doc.SetPageSize(PageSize.LETTER) doc.NewPage() page = writer.GetImportedPage(reader, currentPageNumber) rotation = reader.GetPageRotation(currentPageNumber) If (rotation = 90) Or (rotation = 270) Then cb.AddTemplate(page, 0, -1.0F, 1.0F, 0, 0, reader.GetPageSizeWithRotation(currentPageNumber).Height) Else cb.AddTemplate(page, 1.0F, 0, 0, 1.0F, 0, 0) End If Loop If MemStream Is Nothing Then Response.Write("No Data is available for output") Else Response.BinaryWrite(MemStream.GetBuffer()) End If End If

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• jQuery upload file using jQuery's ajax method (without plugins)

  - by Daniil Harik

  Hello, At moment I want to implement picture upload without using any plug-ins. My upload form looks like this <form action="/Member/UploadPicture" enctype="multipart/form-data" id="uploadform" method="post"> <span style="display: none;"> <div class="upload" id="imgUpl"> <h3>Upload profile picture</h3> <div class="clear5"></div> <input type="file" name="file" id="file" /> <button class="btn-bl" id="upComplete"><span>Upload</span></button> </div> </span> </form> And my jQuery code is: $('#upComplete').click(function () { $('#up').hide(); $('#upRes').show(); var form = $("#uploadform"); $.ajax({ type: "POST", url: "/Member/UploadPicture", data: form.serialize(), success: function (data) { alert(data); } }); $.fancybox.close(); return false; }); If I open firebug, I can see that ajax() method does simple form post (not multi-part) and POST content is empty Is it possible to do files upload using jQuery ajax() method or should I do this in any other way? Thank You very much

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• Unit testing Monorail's RenderText method

  - by MikeWyatt

  I'm doing some maintenance on an older web application written in Monorail v1.0.3. I want to unit test an action that uses RenderText(). How do I extract the content in my test? Reading from controller.Response.OutputStream doesn't work, since the response stream is either not setup properly in PrepareController(), or is closed in RenderText(). Example Action public DeleteFoo( int id ) { var success= false; var foo = Service.Get<Foo>( id ); if( foo != null && CurrentUser.IsInRole( "CanDeleteFoo" ) ) { Service.Delete<Foo>( id ); success = true; } CancelView(); RenderText( "{ success: " + success + " }" ); } Example Test (using Moq) [Test] public void DeleteFoo() { var controller = new FooController (); PrepareController ( controller ); var foo = new Foo { Id = 123 }; var mockService = new Mock < Service > (); mockService.Setup ( s => s.Get<Foo> ( foo.Id ) ).Returns ( foo ); controller.Service = mockService.Object; controller.DeleteTicket ( foo.Id ); mockService.Verify ( s => s.Delete<Foo> ( foo.Id ) ); Assert.AreEqual ( "{success:true}", GetResponse ( Response ) ); } // response.OutputStream.Seek throws an "System.ObjectDisposedException: Cannot access a closed Stream." exception private static string GetResponse( IResponse response ) { response.OutputStream.Seek ( 0, SeekOrigin.Begin ); var buffer = new byte[response.OutputStream.Length]; response.OutputStream.Read ( buffer, 0, buffer.Length ); return Encoding.ASCII.GetString ( buffer ); }

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• Need help limiting a join in Transact-sql

  - by MsLis

  I'm somewhat new to SQL and need help with query syntax. My issue involves 2 tables within a larger multi-table join under Transact-SQL (MS SQL Server 2000 Query Analyzer) I have ACCOUNTS and LOGINS, which are joined on 2 fields: Site & Subset. Both tables may have multiple rows for each Site/Subset combination. ACCOUNTS: | LOGINS: SITE SUBSET FIELD FIELD FIELD | SITE SUBSET USERID PASSWD alpha bravo blah blah blah | alpha bravo foo bar alpha charlie blah blah blah | alpha bravo bar foo alpha charlie bleh bleh blue | alpha charlie id ego delta bravo blah blah blah | delta bravo john welcome delta foxtrot blah blah blah | delta bravo jane welcome | delta bravo ken welcome | delta bravo barbara welcome I want to select all rows in ACCOUNTS which have LOGIN entries, but only 1 login per account. DESIRED RESULT: SITE SUBSET FIELD FIELD FIELD USERID PASSWD alpha bravo blah blah blah foo bar alpha charlie blah blah blah id ego alpha charlie bleh bleh blue id ego delta bravo blah blah blah jane welcome I don't really care which row from the login table I get, but the UserID and Password have to correspond. [Don't return invalid combinations like foo/foo or bar/bar] MS Access has a handy FIRST function, which can do this, but I haven't found an equivalent in TSQL. Also, if it makes a difference, other tables are joined to ACCOUNTS, but this is the only use of LOGINS in the structure. Thank you very much for any assistance.

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• Disable redirect in fb:request-form Send/Cancel button

  - by Colossal Paul

  Hi, How do I disable the redirect in Facebook's invite form? <fb:serverfbml style="width: 600px; height: 650px;"> <script type="text/fbml"> <fb:request-form action="index.php" method="POST" invite="true" type="MyApp" content="Please have a look. <fb:req-choice url='http://apps.facebook.com/myapp/' label='View Now!' />"> <div class="clearfix" style="padding-bottom: 10px;"> <fb:multi-friend-selector condensed="true" style="width: 600px;" /> </div> <fb:request-form-submit /> </fb:request-form> After selecting friends, you will see the final Send Invite dialog with your template. After you click send or cancel, how do i disable the redirect by just closing the the dialog? Thanks.

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• Finding most efficient transmission size in varying network latency scenarios

  - by rwmnau

  I'm building a .NET remoting client/server that will be transmitting thousands of files, of varying sizes (everything from a few bytes to hundreds of MB), and I'm curious about a general method for finding the appropriate transmission size. As I see it, there's the following tradeoff: Serialize entire file into a transmission object and transmit at once, regardless of size. This would be the fastest, but a failure during tranmission requires that the whole file be re-transmitted. If the file size is larger than something small (like 4KB), break it into 4KB chunks and transmit those, re-assembling on the server. In addition to the complexity of this, it's slower because of continued round-trips and acknowledgements, though a failure of any one piece doesn't waste much time. The ideal transmission method (when taking into account negotiation latency vs. failure rate) is somewhere in between, and I'm wondering about how to find out the best size for that particular client. Do I have some dynamic tuning step in my transmission that looks at the current bytes/second average, and then raises the transmission size until the speed starts to drop (failures overwhelm negotiation cost)? Or is there some other method for determining ideal transmission size? The application will be multi-threaded, so number of threads also factors in to the calculation. I'm not looking for a formula (though I'll take one if you've got it), but just what to consider as I create this process.

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• Uploadify plugin doesn't call Java Servlet

  - by sergionni

  Hello,i just started using Uploadify flash plugin instead of standard HTML UI. And met the next problem: when I click "Upload Files" link,that progress is shown and "completed" status is appeared, but in reality - it didn't happened anything,Java Servlet isn't called from backend. There is upload servlet and uploading performed next way earlier: < form enctype="multipart/form-data" method="post" target="uploadFrame" action="<%= request.getContextPath() %>/uploadFile?portletId=${portletId}&remoteFolder=${remoteFolder}">... After providing Uploadify plugin, UI now looks like: plugin part(configuration): <script> ... oScript.text+= "$j('#uploadify').uploadify({"; oScript.text+= "'uploader' : 'kne-portlets/js/lib/uploadify/scripts/uploadify.swf',"; oScript.text+= "'script' : '<%= request.getContextPath() %>/uploadFile?portletId=${portletId}&remoteFolder=<%= decodedString %>',"; oScript.text+= "'cancelImg': 'kne-portlets/js/lib/uploadify/cancel.png',"; oScript.text+= "'folder' : '<%= decodedString %>',"; oScript.text+= "'queueID' : 'fileQueue',"; oScript.text+= "'auto' : false,"; oScript.text+= "'multi' : false,"; //oScript.text+= "'sizeLimit' : 1000"; oScript.text+= "});"; oScript.text+= "});"; ... </script> 'scripts' parameter here points to Java Servlet on backend <%= decodedString %> is folder path, which value is \\file-srv\demo part for uploading: <input type="file" name="uploadify" id="uploadify" /> <a href="javascript:$j('#uploadify').uploadifyUpload();">Upload Files</a> Where is my fault? 'Script' param in plugin config points to Java Servlet on backend and it's done,but Servlet isn't triggered. error, when 'script' param isn't correct:http://img190.imageshack.us/i/errormm.png/ Thank you for assistance.

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• error: switch quantity not an integer

  - by nikeunltd

  I have researched my issue all over StackOverflow and multi-google links, and I am still confused. I figured the best thing for me is ask... Im creating a simple command line calculator. Here is my code so far: const std::string Calculator::SIN("sin"); const std::string Calculator::COS("cos"); const std::string Calculator::TAN("tan"); const std::string Calculator::LOG( "log" ); const std::string Calculator::LOG10( "log10" ); void Calculator::set_command( std::string cmd ) { for(unsigned i = 0; i < cmd.length(); i++) { cmd[i] = tolower(cmd[i]); } command = cmd; } bool Calculator::is_legal_command() const { switch(command) { case TAN: case SIN: case COS: case LOG: case LOG10: return true; break; default: return false; break; } } the error i get is: Calculator.cpp: In member function 'bool Calculator::is_trig_command() const': Calculator.cpp: error: switch quantity not an integer Calculator.cpp: error: 'Calculator::TAN' cannot appear in a constant-expression Calculator.cpp: error: 'Calculator::SIN' cannot appear in a constant-expression Calculator.cpp: error: 'Calculator::COS' cannot appear in a constant-expression The mighty internet, it says strings are allowed to be used in switch statements. Thanks everyone, I appreciate your help.

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• Display ASP.NET GridView inside a selected row in another GridView

  - by Justin C

  I have been given a mockup that I do not know is possible to code in ASP.NET without being a real html and javascript wizard. I want a GridView that when a row is selected, the selected row expands and below the selected row a panel of additional information is shown, which would also include another small GridView. The idea is this would all be in-line. So if the user selected row 4, then the additional information would appear below row 4 and then after the additional information the parent GridView would continue with row 5. Ultimately I would want to do a multi-select type of set up, but first I need to figure out if this is even possible. Also, the solution must be 508 Compliant The one solution I considered was using only one "column". Then I would put all my fields in the ItemTemplate, and my detail panel content in the EditItemTemplate and instead of selecting the row, set it to edit mode. The problem with this solution is I lose the functionality of multiple columns if I throw everything in one huge ItemTemplate. Any and all suggestions or ideas are appreciated.

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• How to scrape a _private_ google group?

  - by John

  Hi there, I'd like to scrape the discussion list of a private google group. It's a multi-page list and I might have to this later again so scripting sounds like the way to go. Since this is a private group, I need to login in my google account first. Unfortunately I can't manage to login using wget or ruby Net::HTTP. Surprisingly google groups is not accessible with the Client Login interface, so all the code samples are useless. My ruby script is embedded at the end of the post. The response to the authentication query is a 200-OK but no cookies in the response headers and the body contains the message "Your browser's cookie functionality is turned off. Please turn it on." I got the same output with wget. See the bash script at the end of this message. I don't know how to workaround this. am I missing something? Any idea? Thanks in advance. John Here is the ruby script: # a ruby script require 'net/https' http = Net::HTTP.new('www.google.com', 443) http.use_ssl = true path = '/accounts/ServiceLoginAuth' email='[email protected]' password='topsecret' # form inputs from the login page data = "Email=#{email}&Passwd=#{password}&dsh=7379491738180116079&GALX=irvvmW0Z-zI" headers = { 'Content-Type' => 'application/x-www-form-urlencoded', 'user-agent' => "Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/6.0"} # Post the request and print out the response to retrieve our authentication token resp, data = http.post(path, data, headers) puts resp resp.each {|h, v| puts h+'='+v} #warning: peer certificate won't be verified in this SSL session Here is the bash script: # A bash script for wget CMD="" CMD="$CMD --keep-session-cookies --save-cookies cookies.tmp" CMD="$CMD --no-check-certificate" CMD="$CMD --post-data='[email protected]&Passwd=topsecret&dsh=-8408553335275857936&GALX=irvvmW0Z-zI'" CMD="$CMD --user-agent='Mozilla'" CMD="$CMD https://www.google.com/accounts/ServiceLoginAuth" echo $CMD wget $CMD wget --load-cookies="cookies.tmp" http://groups.google.com/group/mygroup/topics?tsc=2

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• BitmapFactory.decodeStream returning null when options are set.

  - by Robert Foss

  Hi! I'm having issues with BitmapFactory.decodeStream(). When using it without options, it will return an image. But when I use it with options as in .decodeStream(inputStream, null, options) it never returns Bitmaps. What I'm trying to do is to downsample a Bitmap before I actually load it to save memory. I've read some good guides, but none using .decodeStream. Here httpIM:NOT//nornalbion.SPAMcom/blog/?p=143 httpIM:NOT//kfb-android.blogspot.SPAMcom/2009/04/image-processing-in-android.html WORKS JUST FINE InputStream is = connection.getInputStream(); Bitmap img = BitmapFactory.decodeStream(is, null, options); DOESNT WORK InputStream is = connection.getInputStream(); Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeStream(is, null, options); Boolean scaleByHeight = Math.abs(options.outHeight - TARGET_HEIGHT) >= Math.abs(options.outWidth - TARGET_WIDTH); if(options.outHeight * options.outWidth * 2 >= 200*100*2){ // Load, scaling to smallest power of 2 that'll get it <= desired dimensions double sampleSize = scaleByHeight ? options.outHeight / TARGET_HEIGHT : options.outWidth / TARGET_WIDTH; options.inSampleSize = (int)Math.pow(2d, Math.floor( Math.log(sampleSize)/Math.log(2d))); System.out.println("Samplesize: " + options.inSampleSize); } // Do the actual decoding options.inJustDecodeBounds = false; //options.inTempStorage = new byte[IMG_BUFFER_LEN]; Bitmap img = BitmapFactory.decodeStream(is, null, options);

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• monitoring iphone 3g/wifi bandswitch

  - by user262325

  Hello everyone I hope add the function to monitor iphone used 3g/wifi band switch. I know I can do these in my app, but I wonder if there is way to monitor all band switch usage of iPhone? I noticed that there is an app http://itunes.apple.com/ca/app/download-meter-for-wi-fi-gprs/id327227530?mt=8 It claims: Works with any carrier (iPods are supported too!). Requires no login/password to your carrier's site. Does not require Internet connection to get traffic usage statistics (works even in Airplane mode) because it gets information on traffic from the device, not a carrier; this means it won't cost you anything to view current traffic consumed, even while roaming in a location where traffic is very expensive. Allows the user to adjust consumed traffic for today or the current month to match traffic amounts reported by your carrier. Stats on the screen are updated every second. Measures traffic in real time with up to byte precision. Separates traffic into incoming and outgoing, Wi-Fi traffic and mobile Internet traffic. It looks like it gets the band switch info from carrier site, but they also said it gets info from device. I am really confused. Welcome any comment. Thanks interdev

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• Complex Types, ModelBinders and Interfaces

  - by Kieron

  Hi, I've a scenario where I need to bind to an interface - in order to create the correct type, I've got a custom model binder that knows how to create the correct concrete type (which can differ). However, the type created never has the fields correctly filled in. I know I'm missing something blindingly simple here, but can anyone tell me why or at least what I need to do for the model binder to carry on it's work and bind the properties? public class ProductModelBinder : DefaultModelBinder { override public object BindModel (ControllerContext controllerContext, ModelBindingContext bindingContext) { if (bindingContext.ModelType == typeof (IProduct)) { var content = GetProduct (bindingContext); return content; } var result = base.BindModel (controllerContext, bindingContext); return result; } IProduct GetProduct (ModelBindingContext bindingContext) { var idProvider = bindingContext.ValueProvider.GetValue ("Id"); var id = (Guid)idProvider.ConvertTo (typeof (Guid)); var repository = RepositoryFactory.GetRepository<IProductRepository> (); var product = repository.Get (id); return product; } } The Model in my case is a complex type that has an IProduct property, and it's those values I need filled in. Model: [ProductBinder] public class Edit : IProductModel { public Guid Id { get; set; } public byte[] Version { get; set; } public IProduct Product { get; set; } }

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• Sync Vs. Async Sockets Performance in C#

  - by Michael Covelli

  Everything that I read about sockets in .NET says that the asynchronous pattern gives better performance (especially with the new SocketAsyncEventArgs which saves on the allocation). I think this makes sense if we're talking about a server with many client connections where its not possible to allocate one thread per connection. Then I can see the advantage of using the ThreadPool threads and getting async callbacks on them. But in my app, I'm the client and I just need to listen to one server sending market tick data over one tcp connection. Right now, I create a single thread, set the priority to Highest, and call Socket.Receive() with it. My thread blocks on this call and wakes up once new data arrives. If I were to switch this to an async pattern so that I get a callback when there's new data, I see two issues The threadpool threads will have default priority so it seems they will be strictly worse than my own thread which has Highest priority. I'll still have to send everything through a single thread at some point. Say that I get N callbacks at almost the same time on N different threadpool threads notifying me that there's new data. The N byte arrays that they deliver can't be processed on the threadpool threads because there's no guarantee that they represent N unique market data messages because TCP is stream based. I'll have to lock and put the bytes into an array anyway and signal some other thread that can process what's in the array. So I'm not sure what having N threadpool threads is buying me. Am I thinking about this wrong? Is there a reason to use the Async patter in my specific case of one client connected to one server?

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