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  • How to process a .proto file using protobuf-net

    - by JustSmith
    I have stated using the protobuf-net lib to communication between some of the programs I'm maintaining. I have also been able to decode messages from C# to Ruby. My ruby ProtoBuf lib is using a .proto file to generate the ruby code. In the interest of having to make changes in as few places as possible I would like to have protobuf-net use the same .proto file. Looking though the protobuf-net folders there is a Dll named ProtoBufGenerator and the protobuf exe but I cant find any instructions on if I can make protobuf-net work this way. Is this possible?

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  • Session lost and application end, after file download

    - by Amr ElGarhy
    I have this code in the end of link button click: Response.ContentType = "application/zip"; Response.AppendHeader("content-disposition", "attachment; filename=download.zip"); Response.TransmitFile(Server.MapPath("download.zip")); Response.End(); to download a zip file from an aspx page. In the previous page i set a session variable, after going to this download page and download the file, then press back i find the session=null "this happen after downloading more than 1 time", and the application_end in global.ascx called. Do you know why this may happen??

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  • video file download issue

    - by George2
    Hello everyone, I am using VSTS 2008 + C# + .Net 3.5 + Silverlight 3.0 + ASP.Net to develop a Silverlight application (a video media player) in browser and the function is simple, just use MediaElement to play a remote video file. The remote server is Windows Server 2008 + IIS 7.0 + IIS Media Bit Rate Throttling Control. Since the request media URL can be discovered (e.g. from traffic sniffer), and I want to know how to prevent from download directly from the Url? i.e. I want end user to use my Silverlight media player application in browser to play the file, prevent them from download to local directly. Any easy and quick solution or reference code/documents? thanks in advance, George

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  • How to use SQL file streaming win32 API and support WCF streaming

    - by Mahesh
    I'm using Sql server file stream type to store large files in the backend. I'm trying to use WCf to stream the file across to the clients. I'm able to get the handle to the file using SQLFileStream (API). I then try to return this stream. I have implemenetd data chunking on the client side to retrive the data from the stream. I'm able to do it for regular filestream and memory stream. Also if i convert then sqlfilestream in to memorystream that also works. The only think that doesn't work is when I try to return sqlfilestream. What am I doing wrong. I have tried both nettcpbinding with streaming enabled and http binding with MTOM encoding. This is the error message am getting : Socket connection was aborted. This could be caused by an error processing your mesage or a receive timeout being exceeded by the remote host, or an underlying network issue.. Local socket timneout was 00:09:59.... Here is my sample code RemoteFileInfo info = new RemoteFileInfo(); info.FileName = "SampleXMLFileService.xml"; string pathName = DataAccess.GetDataSnapshotPath("DataSnapshot1"); SqlConnection connection = DataAccess.GetConnection(); SqlTransaction sqlTransaction = connection.BeginTransaction("SQLSileStreamingTrans"); SqlCommand command = new SqlCommand(); command.Connection = connection; command.Transaction = sqlTransaction; command.CommandText = "SELECT GET_FILESTREAM_TRANSACTION_CONTEXT()"; byte[] transcationContext = command.ExecuteScalar() as byte[]; SqlFileStream stream = new SqlFileStream(pathName, transcationContext, FileAccess.Read); // byte[] bytes = new byte[stream.Length]; // stream.Read(bytes, 0, (int) stream.Length); // Stream reeturnStream = stream; // MemoryStream memoryStream = new MemoryStream(bytes); info.FileByteStream = stream; info.Length = info.FileByteStream.Length; connection.Close(); return info; [MessageContract] public class RemoteFileInfo : IDisposable { [MessageHeader(MustUnderstand = true)] public string FileName; [MessageHeader(MustUnderstand = true)] public long Length; [MessageBodyMember(Order = 1)] public System.IO.Stream FileByteStream; public void Dispose() { if (FileByteStream != null) { FileByteStream.Close(); FileByteStream = null; } } } ANy help is appreciated

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  • why is there no interface file with silverlight enabled wcf services

    - by Ralph Shillington
    Using Visual Studio 2010 when creating a wcf service the template creates a class file, svc endpoint and an interface file. Why is it that when adding a silverlight-enabled wcf service they don't follow this pattern. As discussed here this seems like a bad idea. After adding the silverlight-enabled service, should one go back and incorporate the interface as discussed in the referenced article. If so, then would it not be as simple to start with a simple WCF service, bypassing the whole "silverlight-enabled" bits altogether.

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  • How to fix "Byte-Order Mark found in UTF-8 File" validation warning

    - by rsturim
    I've got an xhtml page validating under xhtml strict doctype -- but, I getting this warning which I trying to understand -- and correct. Just, how do I locate this errant "Byte-Order Mark". I'm editing my file using Visual Studio--not sure if that helps. Warning Byte-Order Mark found in UTF-8 File. The Unicode Byte-Order Mark (BOM) in UTF-8 encoded files is known to cause problems for some text editors and older browsers. You may want to consider avoiding its use until it is better supported.

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  • Pandas Dataframe to JSON File with Separate Records

    - by Chris
    I'm attempting to dump data from a Pandas Dataframe into a JSON file to import into MongoDB. The format I require in a file has JSON records on each line of the form: {<column 1>:<value>,<column 2>:<value>,...,<column N>:<value>} df.to_json(,orient='records') gets close to the result but all the records are dumped within a single JSON array. Any thoughts on an efficient way to get this result from a dataframe? UPDATE: The best solution I've come up with is the following: dlist = df.to_dict('records') dlist = [json.dumps(record)+"\n" for record in dlist] open('data.json','w').writelines(dlist)

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  • Merge FDF data into a PDF file using PHP

    - by James
    Is it possible to merge FDF data with a PDF file using PHP alone? Or is there no option but to use a 3rd party command line tool to achieve this? If that is the case can someone point me in the direction of one? I am currently outputting the FDF file to the browser in the hope that it will redirect the user to the filled in PDF but for some people that is not the case. The FDF contents is being output to the screen, even though I am using header('Content-type: application/vnd.fdf');

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  • Processing a tab delimited file with shell script processing

    - by Lilly Tooner
    Hello, normally I would use Python/Perl for this procedure but I find myself (for political reasons) having to pull this off using a bash shell. I have a large tab delimited file that contains six columns and the second column is integers. I need to shell script a solution that would verify that the file indeed is six columns and that the second column is indeed integers. I am assuming that I would need to use sed/awk here somewhere. Problem is that I'm not that familiar with sed/awk. Any advice would be appreciated. Many thanks! Lilly

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  • Embedded file system and sqlite

    - by Jeff Lamb
    I'm working on an embedded project that has no file system, and our kludge of a database has ballooned in functionality. It's now so inefficient, we can't stand it any longer. I'm trying to figure out if there's built-in support for a flat file system in SQLite. I've dug around http://sqlite.org for a while now, but haven't found anything specifically covering it. Has anyone found a supported implementation written in C? It seems like such a straightforward request, but I can't find anything written about it. We have plenty of memory available. In a perfect world, I'd like to just set aside a large portion of it, pass the FS a pointer, then let the FS/SQLite library just use what it wants.

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  • Fastest way to write large STL vector to file using STL

    - by ljubak
    I have a large vector (10^9 elements) of chars, and I was wondering what is the fastest way to write such vector to a file. So far I've been using next code: vector<char> vs; // ... Fill vector with data ofstream outfile("nanocube.txt", ios::out | ios::binary); ostream_iterator<char> oi(outfile, '\0'); copy(vs.begin(), vs.end(), oi); For this code it takes approximately two minutes to write all data to file. The actual question is: "Can I make it faster using STL and how"?

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  • AVURLAsset cannot load with remote file

    - by Quentin
    Hi, I have a problem using AVURLAsset. NSString * const kContentURL = @ "http://devimages.apple.com/iphone/samples/bipbop/bipbopall.m3u8"; ... NSURL *contentURL = [NSURL URLWithString:kContentURL]; AVURLAsset *asset = [AVURLAsset URLAssetWithURL:contentURL options:nil]; [asset loadValuesAsynchronouslyForKeys:[NSArray arrayWithObject:tracksKey] completionHandler:^{ ... NSError *error = nil; AVKeyValueStatus status = [asset statusOfValueForKey:tracksKey error:&error]; ... } In the completion block, the status is AVKeyValueStatusFailed and the error message is "Cannot Open". All exemples I have seen, use a local file, so maybe there is a problem using a remote file... Regards, Quentin

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  • Merging/filling pdf form file with xml data

    - by Giorgi
    Hello, Let's say I have a pdf form file available at website which is filled by the users and submitted to the server. On the server side (Asp.Net) I would like to merge the data that I receive in xml format with the empty pdf form that was filled and save it. As I have found there are several possible ways of doing it: Using pdf form created by adobe acrobat and filling it with itextsharp. Using pdf form created by adobe acrobat and filling it with FDF Toolkit .net (which seems to be using itextsharp internally) Usd pdfkt to fill the form. Use pdf form file created with adobe livecycle and merge the data by using Form Data Integration Service As I have no experience with this kind of task can you advise which option would be better/easier and give some additional tips? Thank you in advance.

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  • 'dxerr9.h': No such file or directory

    - by numerical25
    I am trying to compile a program I took off a cd from a book that uses directx to render 3d objects. when i press compile I get the following error C1083: Cannot open include file: 'dxerr9.h': No such file or directory I am using VC++ 2008 Express Edition and i am running off of Vista. I went to the following folder C:\Program Files\Microsoft SDKs\Windows\v6.0A\Include and I was not able to find the header there. Unless I am looking in the wrong place. When I initially installed DX sdk I allowed the installer to put everything in a default location. I am not sure If I am looking in the right places or what.

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  • ClickOnce and mageUI adding custom file folder problems

    - by Leszek Wachowicz
    What I do: Publishing .Net 3.5 application via VS, or msbuild (whatever), and now I need to insert to the published application separate directory (Modules - not added as a reference to the project - our project architecture does not allow this). So I'm copying the folder to published location then runs mageUI.exe select the application manifest and then the problems starts. As I press the populate button it's adding also hidden directory? So I remove the directory, after I want to save the manifest file I get the "Warning MSB3110: Assembly 'NAME.Shell.application.deploy' has mismatched identity 'NAME.Shell.application', expected file name: 'NAME.Shell.application.application'". Did you have the same problems, according to http://smartclient.codeplex.com/Project/Download/FileDownload.aspx?DownloadId=5060 it should be easy as 1-2-3 but it's not.

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  • Readdirectorychanges not working with big file

    - by sanky
    i was working with readdirectorychangesW till i encountered an unwanted behavior.below is short reference the way i am using my readdirectorychanges func. The behavior is that in case a big file in GBs is copied to the watched directory i get the notification immediately and thereby i start doing my operation according to the notification i receive ,but the file IO ( copy operation is still pending) and that results in unxpected state. Can anyone please suggest a way to synchronize this operation. I want the copy operation(that gave me notification) to get completed first then i want to do my processing. while(ReadDirectoryChangesW( hDir, pBuffer, nBufSize, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME, &BytesReturned, NULL, NULL )) { pBufferCurrent = pBuffer; while(pBufferCurrent) { switch(pBufferCurrent->Action) { case FILE_ACTION_ADDED: break; default: break; } if (pBufferCurrent->NextEntryOffset) pBufferCurrent = (FILE_NOTIFY_INFORMATION*)(((oef_u8_t*)pBufferCurrent) + pBufferCurrent->NextEntryOffset); else pBufferCurrent = NULL; }

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  • AjaxSubmit File Upload - Trying to get response $(document).ready() to fire

    - by ncyankee
    I'm using the jquery form plugin (http://malsup.com/jquery/form/) to upload a file via ajax which is processed in the background. The upload is working correctly, and I am using ASP.Net MVC to return a partial view which contains a $(document).ready call to setup a 'timer' to check on the status of the upload file's processing status. When I return the partial view which contains a script block wit ha $(document).ready call, it is never fired, therefore the 'timer' to check for the status of the upload is never started. When I do this via a regular $.post call (without upload) the function fires correctly after the html is loaded into the DOM. Is there anything else I need to do when calling the ajaxSubmit function to get this to fire? Just a sample bit of code: $('form').live('submit', function () { $(this).ajaxSubmit({ success: function (data) { $('#statusDiv').html(data); } }); return false; });

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  • Linux Kernel Module - Creating proc file - proc_root undeclared error

    - by Zach
    I copy and paste code from this URL for creating and reading/writing a proc file using a kernel module and get the error that proc_root is undeclared. This same example is on a few sites so I assume it works. Any ideas why I'd get this error? Does my makefile need something different. Below is my makefile as well: Example code for a basic proc file creation (direct copy and paste to get initial test done): http://tldp.org/LDP/lkmpg/2.6/html/lkmpg.html#AEN769 Makefile I'm using: obj-m := counter.o KDIR := /MY/LINUX/SRC PWD := $(shell pwd) default: $(MAKE) ARCH=um -C $(KDIR) SUBDIRS=$(PWD) modules

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  • Building a directory tree from a list of file paths

    - by Abignale
    I am looking for a time efficient method to parse a list of files into a tree. There can be hundreds of millions of file paths. The brute force solution would be to split each path on occurrence of a directory separator, and traverse the tree adding in directory and file entries by doing string comparisons but this would be exceptionally slow. The input data is usually sorted alphabetically, so the list would be something like: C:\Users\Aaron\AppData\Amarok\Afile C:\Users\Aaron\AppData\Amarok\Afile2 C:\Users\Aaron\AppData\Amarok\Afile3 C:\Users\Aaron\AppData\Blender\alibrary.dll C:\Users\Aaron\AppData\Blender\and_so_on.txt From this ordering my natural reaction is to partition the directory listings into groups... somehow... before doing the slow string comparisons. I'm really not sure. I would appreciate any ideas. Edit: It would be better if this tree were lazy loaded from the top down if possible.

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  • iPhone Icon file in bundle blank when building for App store distribution

    - by Boiler Bill
    I have been spinning my wheels for a couple hours on why when I build my app with my distribution cert with the device as the target the Icon.png file in the bundle is empty. If I build with my developer cert or against the simulator the Icon.png in the bundle matches the one in my project file. I have verified my Icon.png is 57X57, has no alpha channel, had extra finder attributes removed. I even took one of the Icon.png files from my first application that is in the store today, and it didn't work either. Here is the output from the build results: CopyPNGFile build/Distribution-iphoneos/myApp.app/Icon.png Icon.png cd /Users/wrbarbour/projects/myAppTWO/myApp setenv COPY_COMMAND /Developer/Library/PrivateFrameworks/DevToolsCore.framework/Resources/pbxcp setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin" "/Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Plug-ins/iPhoneOS Build System Support.xcplugin/Contents/Resources/copypng" -compress "" /Users/wrbarbour/projects/myAppTWO/myApp/Icon.png /Users/wrbarbour/projects/myAppTWO/myApp/build/Distribution-iphoneos/myApp.app/Icon.png Can someone get me pointed in the right direction?

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