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  • WebBrowser created dynamically doesn't work

    - by Maciej
    I'd like to create WebBrowser control programically in my code and then read page content. I think I'm doing the same thing as designer does but control dynamically created doesn't work (DocumentText return empty string) What I'm doing wrong ?? WebBrowser browser = new WebBrowser { Name = "myBrowser"}; browser.Navigate("www.google.com"); Console.WriteLine(browser.DocumentText);

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  • Equivalent of http://www.cplusplus.com/ for C# .net

    - by David Relihan
    Hi Folks I've read through a lot of the "Learn C# .Net" questions just to see if this question was answered already (directly or indirectly). I program mostly in C++ so I find the website http://www.cplusplus.com/ invaluable and there's rarely a day when it is not open in my browser! However, I'm just wondering is there an C# .Net equivalent that people find themselves constantly referencing? The best I'm aware of is: http://stackoverflow.com http://msdn.microsoft.com/en-us/vcsharp/aa336809.aspx http://www.java2s.com/Tutorial/CSharp/CatalogCSharp.htm Thanks,

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  • Reporting Services as PDF through WebRequest in C# 3.5 "Not Supported File Type"

    - by Heath Allison
    I've inherited a legacy application that is supposed to grab an on the fly pdf from a reporting services server. Everything works fine up until the point where you try to open the pdf being returned and adobe acrobat tells you: Adobe Reader could not open 'thisStoopidReport'.pdf' because it is either not a supported file type or because the file has been damaged(for example, it was sent as an email attachment and wasn't correctly decoded). I've done some initial troubleshooting on this. If I replace the url in the WebRequest.Create() call with a valid pdf file on my local machine ie: @"C:temp/validpdf.pdf") then I get a valid PDF. The report itself seems to work fine. If I manually type the URL to the reporting services report that should generate the pdf file I am prompted for user authentication. But after supplying it I get a valid pdf file. I've replace the actual url,username,userpass and domain strings in the code below with bogus values for obvious reasons. WebRequest request = WebRequest.Create(@"http://x.x.x.x/reportServer?/reports/reportNam&rs:format=pdf&rs:command=render&rc:parameters=blahblahblah"); int totalSize = 0; request.Credentials = new NetworkCredential("validUser", "validPass", "validDomain"); request.Timeout = 360000; // 6 minutes in milliseconds. request.Method = WebRequestMethods.Http.Post; request.ContentLength = 0; WebResponse response = request.GetResponse(); Response.Clear(); BinaryReader reader = new BinaryReader(response.GetResponseStream()); Byte[] buffer = new byte[2048]; int count = reader.Read(buffer, 0, 2048); while (count > 0) { totalSize += count; Response.OutputStream.Write(buffer, 0, count); count = reader.Read(buffer, 0, 2048); } Response.ContentType = "application/pdf"; Response.Cache.SetCacheability(HttpCacheability.Private); Response.CacheControl = "private"; Response.Expires = 30; Response.AddHeader("Content-Disposition", "attachment; filename=thisStoopidReport.pdf"); Response.AddHeader("Content-Length", totalSize.ToString()); reader.Close(); Response.Flush(); Response.End();

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  • DPAPI encryted section returns null

    - by Jay
    Hi, I am encrypting the appSettings and the connectionStrings sections in the app.config file. But when I try to read the value, its always returning null. I am not sure if I am missing something. I thought the decryption was transparent. Has anyone else had any success with reading DPAPI protected sections in the app.config file.

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  • ASP.NET 2.0 files work in one folder, but NOT in another

    - by Steve
    I am about to leap of a building. I have created an app for a client and all the files are in a folder on their D drive. Now it is time to go production, so I copied all my files and folders to their excisting classic asp folder on the same drive. BUT NOTHING WORKS. The only difference I can see is that DEV does not require HTTPS like the production site. I also made sure all the permissions are the same on both folder. I made sure that the GAC has read rights using the aspnet_regiis tool. I am at the end of my debug knowlegde, could someone please help me out. Here are the error messages I get from the application event log. Failed to initialize the AppDomain:/LM/W3SVC/3/Root Exception: System.Configuration.ConfigurationErrorsException Message: Exception of type 'System.Configuration.ConfigurationErrorsException' was thrown. StackTrace: at System.Web.Configuration.ErrorRuntimeConfig.ErrorConfigRecord.System.Configuration.Internal.IInternalConfigRecord.GetLkgSection(String configKey) at System.Web.Configuration.RuntimeConfigLKG.GetSectionObject(String sectionName) at System.Web.Configuration.RuntimeConfig.GetSection(String sectionName, Type type, ResultsIndex index) at System.Web.Configuration.RuntimeConfig.get_HostingEnvironment() at System.Web.Hosting.HostingEnvironment.StartMonitoringForIdleTimeout() at System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters) at System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters) at System.Web.Hosting.ApplicationManager.CreateAppDomainWithHostingEnvironment(String appId, IApplicationHost appHost, HostingEnvironmentParameters hostingParameters) at System.Web.Hosting.ApplicationManager.CreateAppDomainWithHostingEnvironmentAndReportErrors(String appId, IApplicationHost appHost, HostingEnvironmentParameters hostingParameters) For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. ------------------------ Failed to execute the request because the ASP.NET process identity does not have read permissions to the global assembly cache. Error: 0x80131902 For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. ------------------------- aspnet_wp.exe (PID: 4568) stopped unexpectedly. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Here is the web error message: Server Application Unavailable The web application you are attempting to access on this web server is currently unavailable. Please hit the "Refresh" button in your web browser to retry your request. Administrator Note: An error message detailing the cause of this specific request failure can be found in the application event log of the web server. Please review this log entry to discover what caused this error to occur. Thank you for your help, Steve

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  • Quantum Computing and Encryption Breaking

    - by Earlz
    Ok, I read a while back that Quantum Computers can break most types of hashing and encryption in use today in a very short amount of time(I believe it was mere minutes). How is it possible? I've tried reading articles about it but I get lost at the a quantum bit can be 1, 0, or something else. Can someone explain how this relates to cracking such algorithms in plain English without all the fancy maths?

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  • BASH Script to Check if a number is Armstrong or Not

    - by atif089
    Hi, I was writing a script to check if a number is Armstrong or not. This is my Code echo "Enter Number" read num sum=0 item=$num while [ $item -ne 0 ] do rem='expr $item % 10' cube='expr $rem \* $rem \* $rem' sum='expr $sum + $cube' item='expr $item / 10' done if [ $sum -eq $num ] then echo "$num is an Amstrong Number" else echo "$num is not an Amstrong Number" fi After I run this script, $ ./arm.sh I always get this error ./arm.sh: line 5: [: too many arguments ./arm.sh: line 12: [: too many arguments I am on cygwin.

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  • "Invite your friends" feature in RoR

    - by Nisanio
    Hi, many social networks let to invite your gmail-hotmail-yahoo friends (even Outlook, but I thinks that is more difficult) to the social network. Basically the app read your email friends list and sent a email invitation. How can I achieve this in RoR? Thanks

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  • Line smoothing in Cocoa Touch

    - by Sam Kaplan
    How would I smooth a line (UIBeizerPath) or a set of points? Right now it draws it jagged. I read about spline interpolation, could anyone point me to an implementation of this in cocoa or C or give me an alternate line smoothing algorithm.

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  • Should a Stack have a maximum size?

    - by Sotirios Delimanolis
    I'm practicing my knowledge of ADTs by implementing some data structures, even if most already exist. With Stacks, a lot of books and other documentation I've read talk about the stack throwing an error when you try to add an element but the stack is full. In a java implementation (or any other), should I specifically keep track of a maximum stack size (from constructor), check to see if that size is reached, and throw an overflow exception if it is? Or is not such a big deal?

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  • PHP: Cyrillic characters not displayed correctly

    - by user295502
    Recently I switched hosting from one provider to the other and I have problems displaying Cyrillic characters. The characters which are read from the database are displayed correctly, but characters which are hardcoded in the php file aren't (they are displayed as question marks). The files which contain the php source code are saved in utf-8 form. Help anybody?

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  • Calling COM Library From XBAP

    - by Benny
    I am trying to call an old COM library from my XBAP and continue to receive the following exception: System.AccessViolationException was unhandled Message: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. I have tried adding the HKLM value for RunUnrestricted to no avail. I don't get anything else but this error when calling the library. Any ideas? (This library even works from a pure ASP.NET app)

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  • Algorithms for subgraph isomorphism detection

    - by Jack
    This a NP Complete problem. More info can be found here http://en.wikipedia.org/wiki/Subgraph_isomorphism_problem The most widely used algorithm is the one proposed by Ullman. Can someone please explain the algorithm to me. I read a paper by him and couldn't understand much. Also what other algorithms for this problem. I am working on an image processing project.

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  • Excel 2007 and Unicode

    - by pjlasl
    I have an israeli spreadsheet reading right to left. When I read the values (using VBA) it places a question mark (?) at the beginning and end of the text, in other words it wraps the text with the question mark (ie ?0123456?). If you type Range("A2").value or .value2 or .text the results are the same. Any idea on how to prevent this?

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  • .net List<string>.Remove bug Should I submit a MS Connect bug report on this?

    - by Dean Lunz
    So I was beating my head against a wall for a while before it dawned on me. I have some code that saves a list of names into a text file ala ... System.IO.File.WriteAllLines(dlg.FileName, this.characterNameMasterList.Distinct().ToArray()); The character names can contain special characters. These names come from the wow armory at www.wowarmory.com There are about 26000 names or so saved in the .txt file. The names get saved to the .txt file just fine. I wrote another application that reads these names from that .txt file using this code // download the names from the db var webNames = this.DownloadNames("character"); // filter names and get ones that need to be added to the db var localNames = new List<string>(System.IO.File.ReadAllLines(dlg.FileName)); foreach (var name in webNames) { if (localNames.Contains(name.Trim())) localNames.Remove(name); } return localNames; ... the code downloads a list of names from my website that are already in the db. Then reads the local .txt file and singles out every name that is not yet in the db so it can later add it. The names that get read from the .txt file also get read just fine with no problems. The problem comes in when removing names from the localNames list. localNames is a List type. As soon as localNames.Remove(name) gets called any names in the list that had special characters in them would get corrupted and be converted into ? characters. See for screen cap http://yfrog.com/12badcharsp So i tried doing it another way using ... // download the names from web that are already in the db var webNames = this.DownloadNames("character"); // filter names and get ones that need to be added to the db var localNames = new List<string>(System.IO.File.ReadAllLines(dlg.FileName)); int index = 0; while (index < webNames.Count) { var name = webNames[index++]; var pos = localNames.IndexOf(name.Trim()); if (pos != -1) localNames.RemoveAt(pos); } return localNames; .. But using localNames.RemoveAt also corrupts the items in the list converting special characters into ?. So is this a known bug with the List.remove methods? Does anyone know? Has anyone else had this problem? I also used .NET Reflector to disassemble/inspect the list.remove and list.RemoveAt code and it appear to be calling some external Copy function. Aside from the fact that this is prob not the best way to get a unique list of items from 2 lists am I missing something or should be aware of when using the List.Remove methods ? I am running windows 7 vs2010 and my app is set for .net 4 (no client profile )

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  • please help turn a simple Python2 code to PHP

    - by user296516
    Hi guys, Sorry to bother again, but I really need help transforming this Python2 code into PHP. net, cid, lac = 25002, 9164, 4000 import urllib a = '000E00000000000000000000000000001B0000000000000000000000030000' b = hex(cid)[2:].zfill(8) + hex(lac)[2:].zfill(8) c = hex(divmod(net,100)[1])[2:].zfill(8) + hex(divmod(net,100)[0])[2:].zfill(8) string = (a + b + c + 'FFFFFFFF00000000').decode('hex') data = urllib.urlopen('http://www.google.com/glm/mmap',string) r = data.read().encode('hex') print float(int(r[14:22],16))/1000000, float(int(r[22:30],16))/1000000 Would be great if someone could help, thanks in advance!

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  • Monitor serial port already open

    - by Cristiano
    Hi, I am try to read data over serial port already open. I have used C# and c++ library for use microsoft api (overlapped and not overlapped I/O), but not work. I can use same windows api? or other?? Thanks in advance for your availability, Cristiano http://bugbusters.altervista.org/index.php

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  • Grails domain class event listner in service level

    - by BlackPanther
    Hi , I want to interrupt some specific grails domain class events(read,write,delete,update).Is there any hibernate eventlistner available for grails domain classes.So that all the calls will go through that eventslistner.I tried following def beforeLoad={}, def beforeInsert={} ,etc ..Other than that is there any other way something can be done in service level? Thanks

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  • How to implement mib module in net-snmp with python?

    - by Tom Carly
    Hi, in the faq, i read this "..the agent can also support MIB modules implemented in perl or (from 5.4) python." I have built net-snmp with python support, but it's not clear yet how to actually implement my own MIB module with python now. The python scripts i see in the python directory are related to implementing an snmp client, not an snmp agent. Probably i just miss the point somewhere. Can someone give me a hint on how to get started with this? Thanks, Tom

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  • AS3 computeSpectrum fft true

    - by cr1ms0n3cho
    I am just trying to understand what the values sent back from computeSpectrum(bytes,true,0) mean. I have values ranging from 0 to 1 for each float i read from the byte array but does each value represent a range of Hz Thanks!

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  • What are the BEST resources for learning WPF & .NET?

    - by dicroce
    I'm a longtime C/C++ Unix guy. I recently started work in a new position that's gonna eventually require C# and WPF (and probably some LINQ). What are the best resources to quickly come up to speed on all these Microsoft technologies? Years ago I read Petzold's book and loved it because it was so complete and by the end I really felt like I knew what I was doing... Is their something equivalent for the .NET world?

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