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  • SSH traffic over openvpn freezes under weird circumstances

    - by user289581
    I have an openvpn (version 2.1_rc15 at both ends) connection setup between two gentoo boxes using shared keys. it works fine for the most part. I use mysql, http, ftp, scp over the vpn with no problems. But when I ssh from the client to the server over the vpn, weird things happen. I can login, i can execute some commands. But if i try to run an ncurses application like top, or i try to cat a file, the connection will stall and I'll have to sever the ssh session. I can, for example, execute "echo blah; echo .; echo blah" and it will output the three lines of text over the ssh session fine. But if i execute "cat /etc/motd" the session will freeze the moment I press enter. While it seems like a terminal emulation problem it makes no sense why using the vpn would affect the ability for ssh to render things correctly. I am at a loss to explain why everything else works, including scp, but ssh just breaks over the vpn. Any thoughts ?

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  • Display multiple new windows

    - by Ricardo Deano
    Afternoon all. I have the following scenario: I have a search page where by a client searches for a product from a drop down list, upon clicking a button, a gridview is produced display the spec. What I would like is the functionality for the user to make their selection and a new window pops up with the spec. So I have a simple code behind for the search page: protected void Button1_Click(object sender, EventArgs e) { Session["Product"] = DropDownList1.SelectedValue; string strScript = "window.open('GridViewPage.aspx', 'Key', 'height=500,width=800,toolbar=no,menubar=no,scrollbars=yes,resizable=yes,titlebar=no');"; ScriptManager.RegisterStartupScript(this, typeof(string), "", strScript, true); } And a gridviewpage that presents the data based upon the session created in the search page: <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" DataSourceID="LinqDataSource1"> <Columns> <asp:BoundField DataField="Product" HeaderText="MemberID" SortExpression="MemberID" /> <asp:BoundField DataField="Spec" HeaderText="Spec" SortExpression="Spec" /> </Columns> </asp:GridView> <asp:LinqDataSource ID="LinqDataSource1" runat="server" ContextTypeName="GridViewInNewWindow.ProductDataContext" EntityTypeName="" TableName="tblProducts" Where="Product == @Product"> <WhereParameters> <asp:SessionParameter Name="Product" SessionField="Product" Type="String" /> </WhereParameters> </asp:LinqDataSource> Now upon first iteration, this does the job...gridview presented in new window...hurrah! i.e. a user searches for egg, the spec for an egg is presented in a new window. However, what I would like to happen is that the user can make multiple searches so a number of new windows are opened. i.e. a user searches for egg once, the spec is returned in a new window; they then wish to see the spec for a chicken, so they use the search page to find said chicken, click the button and another new window is shown displaying the chicken's specs. Does anyone know how I can achieve this? Apologies if this is simple stuff, I am just finding my feet.

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  • Finite State Machine Spellchecker

    - by Durell
    I would love to have a debugged copy of the finite state machine code below. I tried debugging but could not, all the machine has to do is to spell check the word "and",an equivalent program using case is welcomed. #include<cstdlib> #include<stdio.h> #include<string.h> #include<iostream> #include<string> using namespace std; char in_str; int n; void spell_check() { char data[256]; int i; FILE *in_file; in_file=fopen("C:\\Users\\mytorinna\\Desktop\\a.txt","r+"); while (!feof(in_file)) { for(i=0;i<256;i++) { fscanf(in_file,"%c",in_str); data[i]=in_str; } //n = strlen(in_str); //start(data); cout<<data; } } void start(char data) { // char next_char; //int i = 0; // for(i=0;i<256;i++) // if (n == 0) { if(data[i]="a") { state_A(); exit; } else { cout<<"I am comming"; } // cout<<"This is an empty string"; // exit();//do something here to terminate the program } } void state_A(int i) { if(in_str[i] == 'n') { i++; if(i<n) state_AN(i); else error(); } else error(); } void state_AN(int i) { if(in_str[i] == 'd') { if(i == n-1) cout<<" Your keyword spelling is correct"; else cout<<"Wrong keyword spelling"; } } int main() { spell_check(); system("pause"); return 0; }

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  • Why does this IF statement fail?

    - by ChosenOne
    If variable path is empty, and editor.Text is not empty, the SaveFileDialog should be displayed. Now, why on earth is this damn thing failing??? I have tried this with many different variations of code with the same result: FAIL: if(path.Length >= 1) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } At the top of code file I have: path = String.Empty; So why the heck it this failing every single time, even after trying all of the below variations? if(path.Length > 1) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } and if(String.IsNullOrEmpty(path)) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } and if(String.IsNullOrWhiteSpace(path)) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } This is making me very angry. How could this fail? Setting a break point reveals that path is definitely null/"".

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  • HQL query for entity with max value

    - by Rob
    I have a Hibernate entity that looks like this (accessors ommitted for brevity): @Entity @Table(name="FeatureList_Version") @SecondaryTable(name="FeatureList", pkJoinColumns=@PrimaryKeyJoinColumn(name="FeatureList_Key")) public class FeatureList implements Serializable { @Id @Column(name="FeatureList_Version_Key") private String key; @Column(name="Name",table="FeatureList") private String name; @Column(name="VERSION") private Integer version; } I want to craft an HQL query that retrieves the most up to date version of a FeatureList. The following query sort of works: Select f.name, max(f.version) from FeatureList f group by f.name The trouble is that won't populate the key field, which I need to contain the key of the record with the highest version number for the given FeatureList. If I add f.key in the select it won't work because it's not in the group by or an aggregate and if I put it in the group by the whole thing stops working and it just gives me every version as a separate entity. So, can anybody help?

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  • Does changing the order of class private data members breaks ABI

    - by Dmitry Yudakov
    I have a class with number of private data members (some of them static), accessed by virtual and non-virtual member functions. There's no inline functions and no friend classes. class A { int number; string str; static const int static_const_number; public: // got virtual and non-virtual functions, working with these memebers virtual void func1(); void func2(); // no inline functions or friends }; Does changing the order of private data members breaks ABI in this case? class A { string str; static const int static_const_number; int number; // <-- integer member moved here ... };

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  • Display PDF in Html

    - by anil
    Hi, i want to show PDF in a view in MVC, following function return file public ActionResult TakeoffPlans(string projID) { Highmark.BLL.Models.Project proj = GetProject(projID); List ff = proj.GetFiles(Project_Thin.Folders.CompletedTakeoff, false); ViewData["HasFile"] = "0"; if (ff != null && ff.Count 0 && ff.Where(p = p.FileExtension == "pdf").Count() 0) { ViewData["HasFile"] = "1"; } ViewData["ProjectID"] = projID; ViewData["Folder"] = Project_Thin.Folders.CompletedTakeoff; //return View("UcRenderPDF"); string fileName = Server.MapPath("~/Content/Project List Update 2.pdf"); return File(fileName, "application/pdf", Server.HtmlEncode(fileName)); } but it display some bad data in view, please help me on this

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  • GEM Version Requirements Deprecated

    - by Kevin Sylvestre
    When creating a new Rails project using: rails sample Then creating a model using: script/generate model person first_name:string last_name:string Everything is fine. However, if I add any gems to my environment.rb: config.gem "authlogic" And run the same generator, I get the following: /Library/Ruby/Gems/1.8/gems/rails-2.3.5/lib/rails/gem_dependency.rb:119:Warning: Gem::Dependency#version_requirements is deprecated and will be removed on or after August 2010. The warning just recently appeared (I think), but I would like to fix it if possible. Any hints or similar experiences? Thanks.

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  • eclipse CDT - Cannot open .gcda files

    - by Taani
    I am developing a coverage data tool in eclipse cdt. I used gcov and build and execute my C program to generate .gcda and .gcno files. When double click on .gcda file to see the coverage data, below error message displays. An error has occurred. See error log for more details. org.eclipse.linuxtools.binutils.utils.STSymbolManager.demangle(Lorg/eclipse/cdt/core/IBinaryParser$IBinaryObject;Ljava/lang/String;Lorg/eclipse/core/resources/IProject;)Ljava/lang/String; But I already downloaded and save org.eclipse.linuxtools.binutils_4.0.0.201209191645.jar into plugins directory. Where am I doing wrong?

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  • DataTable C# Empty column type

    - by Dested
    I am trying build a DataTable one row at a time using the following code. foreach (var e in Project.ProjectElements[hi.FakeName].Root.Elements()) { index = 0; object[] obj=new object[count]; foreach (var holdingColumn in names) { string d = e.Attribute(holdingColumn.Key).Value; obj[index++] = d; } dt.Rows.Add(obj); } The problem is the DataTable has types tied to the columns. Sometimes im passing null (or an empty string) in that object index and it is telling me that it cant be converted properly to a DateTime (in this case). My question is what should I default this value to, or is there some way to have the DataTable ignore empty values.

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  • FxCop giving a warning on private constructor CA1823 and CA1053

    - by Luis Sánchez
    I have a class that looks like the following: Public Class Utilities Public Shared Function blah(userCode As String) As String 'doing some stuff End Function End Class I'm running FxCop 10 on it and it says: "Because type 'Utilities' contains only 'static' ( 'Shared' in Visual Basic) members, add a default private constructor to prevent the compiler from adding a default public constructor." Ok, you're right Mr. FxCop, I'll add a private constructor: Private Utilities() Now I'm having: "It appears that field 'Utilities.Utilities' is never used or is only ever assigned to. Use this field or remove it." Any ideas of what should I do to get rid of both warnings?

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  • IIS6 compressing static files, but not JSON requests

    - by user500038
    I have IIS6 compression setup, and static content is being compressed correctly as per Coding Horror. Example of a static file: Response Headers Content-Length 55513 Content-Type application/x-javascript Content-Encoding gzip Last-Modified Mon, 20 Dec 2010 15:31:58 GMT Accept-Ranges bytes Vary Accept-Encoding Server Microsoft-IIS/6.0 X-Powered-By ASP.NET Date Wed, 29 Dec 2010 16:37:23 GMT Request Headers Accept */* Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 115 Connection keep-alive As you can see, the response is correctly compressed. However with a JSON call you'll see the request with the gzip parameter correctly set: Accept application/json, text/javascript, */*; q=0.01 Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 115 Connection keep-alive X-Requested-With XMLHttpRequest Then for the response: Cache-Control private Content-Length 6811 Content-Type application/json; charset=utf-8 Server Microsoft-IIS/6.0 X-Powered-By ASP.NET X-AspNet-Version 2.0.50727 X-AspNetMvc-Version 2.0 No gzip! I found this article by Rick Stahl, which outlines how to compress in your code, but I'd like IIS to handle this. Is this possible with IIS6?

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  • How would I use HTMLAgilityPack to extract the value I want

    - by Nai
    For the given HTML I want the value of id <div class="name" id="john-5745844"> <div class="name" id="james-6940673"> UPDATE This is what I have at the moment HtmlDocument htmlDoc = new HtmlDocument(); htmlDoc.Load(new StringReader(pageResponse)); HtmlNode root = htmlDoc.DocumentNode; List<string> anchorTags = new List<string>(); foreach (HtmlNode div in root.SelectNodes("//div[@class='name' and @id]")) { HtmlAttribute att = div.Attributes["id"]; Console.WriteLine(att.Value); } The error I am getting is at the foreach line stating: Object reference not set to an instance of an object.

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  • Need help using the Windows IP Helper API & ParseNetworString in C#.

    - by JohnnyNoir
    I'm attempting to rewrite some C# web service code that uses the Windows IP Helper API call "SendARP" to retreive a remote system's MAC address. SendARP works great - until you cross a network segment as Arp requests aren't routed. I've been looking at the "ParseNetworkString" documentation after happening across its existance on StackOverflow. The quick & dirty algorithm I have in mind is: public static string GetMacAddress(string strHostOrIP) { if (strHostOrIP is IPAddress) { parse results of nbstat -A strHostOrIP return macAddress } if (strHostOrIP is Hostname) { IPHostEntry hostEntry = null; try { hostEntry = Dns.GetHostEntry(strHostOrIP); } catch { return null; } if (hostEntry.AddressList.Length == 0) { return null; } foreach (IPAddress ip in hostEntry.AddressList) { if (ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork) { ipAddress = ip; break; } } } return GetMACAddress(ipAddress); } "ParseNetworkString" is new with Vista/Win2008 so I haven't been able to find example C# code demonstrating its use and I'm no C++ coder so if anyone can point me in the right direction...

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  • How to extract paragraphs instead of whole texts only for XWPFWordExtractor (POI Library) Java

    - by Mr CooL
    Hello, I know the following code could extract whole texts of the docx document, however, I need to extract paragraph instead. Is there are possible way?? public static String extractText(InputStream in) throws Exception { JOptionPane.showMessageDialog(null, "Start extracting docx"); XWPFDocument doc = new XWPFDocument(in); XWPFWordExtractor ex = new XWPFWordExtractor(doc); String text = ex.getText(); return text; } Any helps would much appreciated. I need this so urgently.

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  • Expand a class instance within a class instance in PropertryGrid

    - by Dmi
    In C#, I have a class set up like so: class Page { public class Element { private string test; public string Test { get { return test; } set { test = value; } } } private Element element; public Element PrimaryElement { get { return element; } set { element = value; } } } If I have a PropertyGrid where the select object is an instance of Page, how can I modify Test in its member PrimaryElement from the PropertyGrid? It shows up in grey and is not expandable nor editable.

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  • how subsonic SP should return a value

    - by android.sm
    Hi all, I'm very much new to SubSonic and need a little guidance. Here, I want to know how my SP should return a value. Currently, when I execute it I simply pass an Int and it returns me a string value. Here is code: SubSonic SP: public static StoredProcedure GetQuote(int? CategoryId) { StoredProcedure sp = new StoredProcedure("GetQuote", DataService.GetInstance("Quotes Provider"), "dbo"); sp.Command.AddParameter("@CategoryId", CategoryId, DbType.Int32, 0, 10); return sp; } My Code: public bool GetQuote(int category, out string quote) { bool val = false; quote = ""; try { StoredProcedure sp = SPs.GetQuote(category); if (sp != null) { sp.Execute(); val = true; } } catch (Exception err) { throw err; } return val; } Thanks all

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  • How to distinguish between two different UDP clients on the same IP address?

    - by Ricket
    I'm writing a UDP server, which is a first for me; I've only done a bit of TCP communications. And I'm having trouble figuring out exactly how to distinguish which user is which, since UDP deals only with packets rather than connections and I therefore cannot tell exactly who I'm communicating with. Here is pseudocode of my current server loop: DatagramPacket p; socket.receive(p); // now p contains the user's IP and port, and the data int key = getKey(p); if(key == 0) { // connection request key = makeKey(p); clients.add(key, p.ip); send(p.ip, p.port, key); // give the user his key } else { // user has a key // verify key belongs to that IP address // lookup the user's session data based on the key // react to the packet in the context of the session } When designing this, I kept in mind these points: Multiple users may exist on the same IP address, due to the presence of routers, therefore users must have a separate identification key. Packets can be spoofed, so the key should be checked against its original IP address and ignored if a different IP tries to use the key. The outbound port on the client side might change among packets. Is that third assumption correct, or can I simply assume that one user = one IP+port combination? Is this commonly done, or should I continue to create a special key like I am currently doing? I'm not completely clear on how TCP negotiates a connection so if you think I should model it off of TCP then please link me to a good tutorial or something on TCP's SYN/SYNACK/ACK mess. Also note, I do have a provision to resend a key, if an IP sends a 0 and that IP already has a pending key; I omitted it to keep the snippet simple. I understand that UDP is not guaranteed to arrive, and I plan to add reliability to the main packet handling code later as well.

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  • Base64 Android encode to PHP decode make error

    - by studio lambda
    I'm a french guy, so, I'm sorry for my english... I'm developing an Android App which communicate with a PHP REST service. So, when I try to encode an image file into Base64 like this : InputStream fileInputStream = context.getContentResolver().openInputStream(uri); BufferedInputStream in = new BufferedInputStream(fileInputStream); StringWriter out = new StringWriter(); int b; while ((b = in.read()) != -1) out.write(b); out.flush(); out.close(); in.close(); String encoded = new String(android.util.Base64.encode(out.toString() .getBytes(), android.util.Base64.DEFAULT)); On server side, I make : $data=base64_decode(chunk_split($base64BinaryData)); The result is that my image file is corrupted! INFO : the image is made by an Intent to android.provider.MediaStore.ACTION_IMAGE_CAPTURE Activity in Emulator mode (avd 5554) I've already read lots of discussions about similar problem but nothing fix my bug. thanks for help Regards,

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  • My Application running very slow..

    - by Atul Yadav
    Hi All.. I develop a application based on Advance data grid. In this grid every column add with help of item render and I have added check box in all the column header also.In the Grid i used xml data provider. I am creating xml as string and cast this string in to xml. When i click any cell it takes 10-13 sec and in the cell click handler i get value of System.totalMemory is 255205376. Please any one suggest me what i will do. Thanks

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  • Computed properties in NHibernate

    - by Liron Levi
    I'm having a problem in mapping an existing data class member to the database.. I have a database table where one of the columns is a string type, but actually stores a comma separated list of numbers. My data class shows this field as a list of integers. The problem is that I couldn't find any hook in NHibernate that allows me to invoke the custom code that is required to replace the string field by the list and vice versa. To illustrate (simplified of course): The database table: CREATE TABLE dummy ( id serial, numlist text -- (can store values such as '1,2,3') ) The data class: class Dummy { public int Id; public List<int> NumbersList; } Can anyone help?

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  • Why the current working directory changes when use the Open file dialog in XP?

    - by RRUZ
    I have found an strange behavior when use the open file dialog in c#. If use this code in Windows XP the current working directory changes to the path of the selected file, however if you run this code in windows 7 the current working directory does not change. private void button1_Click(object sender, EventArgs e) { MessageBox.Show(string.Format("Current Directory {0}",Directory.GetCurrentDirectory()), "My Application",MessageBoxButtons.OK, MessageBoxIcon.Asterisk); DialogResult result = openFileDialog1.ShowDialog(); // Show the dialog and get result. if (result == DialogResult.OK) { } MessageBox.Show(string.Format("Current Directory {0}", Directory.GetCurrentDirectory()), "My Application", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); } Anybody know the reason for this behavior? Why the current directoiry changes in XP and not in windows 7?

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  • LIKE query for DateTime in NHibernate

    - by Anry
    For a column of type varchar I could write such a query: public IList<Order> GetByName(string orderName) { using (ISession session = NHibernateHelper.OpenSession()) { return session.CreateCriteria<Order>(). Add(Restrictions.Like("Name", string.Format("%{0}%", orderName))). List<Order>(); } } How do I write a similar LIKE-query for a column that has type datetime? public IList<Order> GetByDateTime(DateTime dateTime) { using (ISession session = NHibernateHelper.OpenSession()) { return //LIKE-query } } That is, if the method is passed the date and part-time (eg "25.03.2010 19"), then displays all orders are carried out in this period of time.

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  • Cross Domain Post - Losing POST Data

    - by Tomas Beblar
    I have 2 servers, both running R2 / IIS7 / ASP Classic sites (can't get around any of that) Server A is making the follow calls: Dim objXMLHTTP, xml Set xml = Server.CreateObject("Msxml2.ServerXmlHTTP.6.0") xml.Open "POST", templateName, false xml.setRequestHeader "Content-Type", "application/xml" xml.Send variables Where the templateName is the URL of Server B (It's an email template) ... and variables are a name value pair string like a query string password=myPassword&customerEmail=Dear+Bob,.... Server B receives the POST but all the POST data (password=myPassword&customerEmail=Dear+Bob,....) is missing from the POST password = Request.Form("templatePassword") customerEmail = Request.Form("RackAttackCustomerEmail") The above values are all empty. Here's the kicker. This all worked on our old servers (Windows Server 2003, IIS 6) But when we migrated over, this stopped working correctly. My question is: What would cause the POST data to be dropped in IIS 7 when it all worked in IIS 6? I've done about 3 days of research into this trying many different things and nothing has worked. The POST data is just gone.

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