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• Sockets: I/O Error 32

  - by Genesis

  Could someone please explain what an I/O Error 32 refers to in the context of a network socket? I have a multithreaded Socks5 server written using Poco SocketReactors and am getting this error when the server load reaches a certain point. The exception is thrown within my onReadable handlers at the same time across all threads which have connections associated with them. The only other thing I am doing within those threads is std::cout but I am not sure if this is a potential cause.

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• IntegrationTests for NHibernate.MappingException: No persister for:

  - by stacker

  If I forgot to add mappings to a persister object, NHibernate will throw an exception when I'll run the application. I want to write an integration tests, that test that all mappings are provided to NHibernate.

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• Behavior is different when debugger is attached

  - by Lys

  I'm using VS 2008 to debug C# program with source code access. The expected behavior happened as long as the debugger attached to the running program, but when the program ran without debugger attached the exception threw. What are the common reasons for this to happen, and how can I tell the code difference behind this? Thanks,

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• Create Missing Folder along the path

  - by Ilya Biryukov

  I have a path for example C:\files\dir\file.css The "files" directory exists. however, the dir directory is missing and needs to be created. When I try to create the file using File.Create, it throws an exception saying that the directory was not found. Is there any way to make .net to create the missing folders along the path for me? Thanks

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• using windows service can we copy files from one computer to another computer C#.net ?

  - by Harry

  I have one service that will create a text file to local machine and then need to copy the same file to another server . I am using " File.Copy(SourceFilePath, TargetFilePath, true);" and getting an exception at the target file path "access denied. I am able to copy the files manually to that location ( TargetFilePath) . any idea , what is going wrong ?? I don't have any network drive mapping with this target location. Thanks in Advance

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• WTF why does this SQL work in VS but not in CODE?

  - by acidzombie24

  The line cmd.ExecuteNonQuery(); cmd.CommandText CREATE TRIGGER subscription_trig_0 ON subscription AFTER INSERT AS UPDATE user_data SET msg_count=msg_count+1 FROM user_data JOIN INSERTED ON user_data.id = INSERTED.recipient; The exception: Incorrect syntax near the keyword 'TRIGGER'. Then using VS 2010, connected to the very same file (a mdf file) i run the query above and i get a success message. WTF!

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• issue with Cayenne Entity Manager

  - by user224270

  Hi, I'm trying to persist an object into the database using Cayenne Entity Manager. And unfortunately I get the following error: org.apache.cayenne.CayenneRuntimeException: [v.3.0 Apr 26 2010 09:59:17] Commit Exception Caused by: com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Table 'myDatabase.auto_pk_support' doesn't exist Any idea how i could solve this issue? Thanks.

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• How to lock serialization in java?

  - by PaulP89

  I am just starting with JAVA serialization, I have one exercise to do and I need to lock serialization on any class, it is suppose to throw an exception when I attempt to serialize that class. Does anyone know how to do it? Thank you

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• C# how to know if a remote object implements an interface

  - by Toto

  Hi, Is there a way to know if a remote object implements an interface (I cannot change/add methods to the remote object). Indeed I cannot use a IsAssignableFrom nor the "as" to test since it's a remote object. Then I have an exception when I try to call a non implemented methods. Thx

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• Having a problem while creating a template in google sites

  - by bhuvi

  Hai, Exception in thread "main" java.lang.Error: Unresolved compilation problems: This error is occur while creating a new template in google sites using java programming.

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• Right way to handle friend-multi-select post on facebook, issues with session

  - by simple

  Do I need a infinite key with fbml facebook app that resides on fanpage? I am asking user to select user and posting it(facebook posts) to my server. On my server I want to get user_id and selected friends Id. Everything is fine with selected friend_ids, but have issues with getting id of a user. sometimes I can get it all fine, sometimes I am getting session expired exception, sometimes I get nothing. any ideas why this is happening?

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• Can't exit an Android application

  - by saravanan

  // @Override public boolean onOptionsItemSelected(MenuItem item) { // TODO Auto-generated method stub switch(item.getItemId()) { case EXIT: try { this.finish(); } catch(Exception e) { } break; } return false; } When I exit my android application it resumes the previous screen. How can I exit the Android application properly?

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• Debuggerproblem

  - by sudhakarilla

  I have problem .. i get debugerror i will used in json 2009-02-13 18:32:17.405 xxxxxxxx[1491:20b] * -[NsDecimalNumber length]: unrecognized selector sent to instance 0xc3f10ff0 2009-02-13 18:32:17.406 xxxxxxxx[1491:20b] Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '** -[NsDecimalNumber length ]: unrecognized selector sent to instance 0xc3f10ff0' 2009-02-13 18:32:17.406 xxxxxxxx[1491:20b] Stack: ( 2417225995, 2527100475, 2417255178, 2417248524, 2417248722, 22199, 9853, 816111650, 816149355, 2458333742, 2416728869, 2416729304, 827745792, 827745989, 816114848, 816160924, 9628, 9482 ) please send soluation...

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• twitter api post rate limit

  - by Xavier

  Does anyone know Twitter's rate limit on posting? Looking at their web page they claimed to not have one but I get an exception thrown if my program posts too fast... Any help is appreciated.

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• What happens when user click .NET assembly (EXE)?

  - by Sathish

  Consider we have .NET Winforms application or Console Application. Can anyone tell me what will happen step-by-step until the WinForm or Console Application is launched. I would like know the internals - like how EXE will communicate with Framework, what is the role of CLR, what happens in case of exception while launching applicaiton itself.etc...

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• Check if address exists before use/jump in assembly?

  - by Daniel

  Say i have loaded some random address like 0x00001234 into eax. Is there a way to test that this address is valid/exists before jumping to it or dereferencing it? Or do I have to implement an exception handler?

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• NetBeanse J2ME DataBinding

  - by Wasim

  Hi all , I build an application based on the new Netbeanse data binding feature . I have a problem using this fature on Motorola IDEN mobile (i680) , I get a java exception while trying to install the application on the mobile . What can be the problem . Thanks in advance ...

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• screen shots on how to modify queries in postgresql table created?

  - by pallav

  my tomcat server is showing error 500 exception. actually i am not able to get connected to the table created in the pg admin3 postgresql database to the project deployed in the server. can u please tell me the method to modify query in the table created?

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• Jython 'unknown enocoding ms932' on japanese system

  - by Houtman

  i've written a program in Jython 2.5.1 which works fine on my Windows 7 machine, but on a japanese machine it throws an Exception saying "unknown encoding 'ms932'" i found that codecs.java is the only module printing the unknown encoding 'xyz' message this file loads aliases.py which does contain # cp932 codec '932' : 'cp932', 'ms932' : 'cp932', 'mskanji' : 'cp932', 'ms_kanji' : 'cp932', The file cp932.py contains import _codecs_jp, codecs But.. _codecs_jp does not exist as is also discussed in this page Does anyone have a clue where to go from here ? http://web.archiveorange.com/archive/v/8tc1Zc2rV3qiUcy9zPlA

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• how to get permissions for a network appliction?

  - by moon

  my application is communicating on udp ports when i start application my application it asks for "allow" and some times throws exception. how can i set all permissions to my application on load event using c#?

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• How can I tell the number of replacements in a formatter string?

  - by sdanna

  Given the following method: (real method has a few more parameters, but the important ones are below...) public string DoSomething(string formatter, params string[] values) { // Do something eventually involving a call to String.Format(formatter, values); } Is there a way to tell if my values array has enough objects in it to cover the formatter, so that I can throw an exception if there aren't (short of doing the string.Format; that isn't an option until the end due to some lambda conversions)?

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• vb.net datadrig view get each cell value

  - by Gbolahan

  hello i'm trying to get the first value of a datagrid cell value but it keeps looping trough and returns the last value. here is the code: Dim cell As DataGridViewCell txtoccupier.Text = "" Try For Each cell In dgvREcord.CurrentRow.Cells() txtoccupier.Text = cell.Value.ToString Next Catch ex As Exception MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) Exit Try End Try record eample: id name email 1 test [email protected] it returns only [email protected] but i want to get only the id which is 1 thanks for your help

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• does the submit button have to be contained in the form

  - by rod

  Hi All, I want my submit button to be positioned somewhere that outside my form element? Do I have any options? With the exception of jquery. Thanks, rodchar

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• Can i make SQl Server 2005 Table Column accept only letter and numbers ?

  - by Space Cracker

  When we have a column that will store a username that will only accept letters and numbers we always do validation on this input field using javascript or even server validation from code .. but i want to know if is there any way that can allow me make this validation on the Table column itself even some one try to enter data from any place it don't accept and throw exception ?

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• Why does the 'as' keyword work while the () cast does not.

  - by Mausimo

  //always works, returning a valid object into _page _page = _httpContext.Handler as System.Web.UI.Page; //Fails throwing the exception : Unable to cast object of type 'System.Web.DefaultHttpHandler' to type 'System.Web.UI.Page' _page = (System.Web.UI.Page)_httpContext.Handler; I would like to know why this happens?

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