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selvialagar
selvialagar
Last Activity: Jun 12 '10, 07:24 AM
Joined: Apr 1 '08
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  • iphone : Handling events of UIButton in UITableViewCell

    I've a UITableView shows a list of files. On the right of each UITableViewCell i have a small UIButon which'll give information about the file.

    When i select the UIButton first time it works fine. When I select other button the UITableViewCell gets selected & shows the details. The problem is first button selected is highlighted always.
    I want to remove this highlight. How to do this?
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  • How to determine minimum RAM Capacity and HardDisk Capacity of an .NET Application?

    I've developed an application. I need to know how much minimum RAM and HardDisk needed to run the application without any performance issues.
    In my application, i'll use networking(TCP) and database accessing(MySQL ).
    I saw the private bytes of my application in performance monitor. But I'don't know, it is the correct way of measuring the RAM capacity.

    Please Give me some suggestions.
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  • VB.NET : Null Reference Exception, SEHException, System.ExecutionEngineException

    i've done a calibration tool. In that, there will be list of parameters and the value for the parameters are coming from the external device using TCP communication. The Screen will be refreshed once in a second.

    Now, i'm trying to establish the connection with the device in the form Load event. Whenever the form loads, it tries to connect to the device. when the device is switched on, it opens the communication and all things going...
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  • vc++.net 2003 : How to handle 2 indpendent threads?

    I'm working in vc++.net 2003 (dll) for communicating with an device through TCP communication. My task is to send request to the device and receiving response from the device and dismandle the packets and display the data in the screen. The forms are created in vb.net 2003. The dismandled data are transferred to the front end(vb end) through a call back function.

    I'm using 3 threads in my program.

    1. Listener Thread...
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  • How to form a variable using another variable's name?

    Let me tell my problem.There are list of parameters in a list box. User can select any number of Parameters (Maximum Limit is 10). Now I want to create dynamic arrays for all the parameters. Suppose the user selects 3 parameters,
    the name of the dynamic arrays would be like this,

    Byte Parameter_1[]
    Byte Parameter_2[]
    Byte Parameter_3[]

    for(int i=1;i<=3;i++)
    {
    Byte Parameter_+i+[];...
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  • .Net : How to connect to MySQL using OLE DB Provider?

    Code:
    Private Connection As New System.Data.OleDb.OleDbConnection
    Private Command As New System.Data.OleDb.OleDbCommand
     Connection.ConnectionString = "Provider=MySQLProv;Data Source=localhost;User Id=root;"
     Command.Connection = Connection
    Connection.Open()

    When this code is executed, it shows "MySQLProv is not registered in the local machine"

    How to...
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  • VB.NET : how to merge more than one excel files in a single workbook

    I have more than one Excel files in a directory. now i have to make all the excel files in a single excel file. Each file in that directory should be taken as a worksheet in the new file.. Is it possible in vb.net?
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  • I'm using database in mysql. I don't know about cvs. How to load data to cvs?
    please can u explain it?...
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  • Loading data from database to Excel takes lot of time.How to Minimize it?

    Hi Everybody..

    I have lot of data stored in the database depending upon the time the experiment conducted. Once th experiment is completed, i have to store that data into the excel.

    When doing (loading data from database and write into excel) that, takes lot of time and CPU memory usage will be above 70%. Can i control it? or can I minimize the time consumption? or Is there any better way to perform...
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  • selvialagar
    started a topic Can two threads use same socket?
    in .NET

    Can two threads use same socket?

    I'm explain my problem..
    Code:
    sockWriter=new Sender();
    sockWriter->client =new TcpClient();
    sockWriter->client->Connect(this->hostName,this->port_number);   
    sockWriter->clientStream=sockWriter->client->GetStream();
    localSocketWriter=new Sender(this->sockWriter->clientStream);
    
    Thread *thread=new Thread(new ThreadStart(this,&platocomm::Listener));
    			thread->Name
    ...
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  • selvialagar
    started a topic My Project is OS dependent or not?
    in .NET

    My Project is OS dependent or not?

    I did a project in vb.net. I convert it into .exe format. Now can i, run that exe in any platform? or is it OS dependent? My platform is Windows XP. can i run that .exe in UNIX or Linux or other OS?


    Is there any method to make it as platform independent? Please give me some suggestions..
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  • selvialagar
    started a topic How to bold menuitems in the menubar in vb.net
    in .NET

    How to bold menuitems in the menubar in vb.net

    hi...
    I want to bold the menuitems in the menubar. how to do it? I know, by changing the OwnerDraw property to true, we can do ourself. But without changing, the OwnerDraw property can i do that? Is it possible or not?
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  • Thank You for your reply.I got it.
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  • How to get a text file name from the application start up folder in vb.net

    Hi............. .

    I need to extract a textfile (.txt) file alone from the application startup path. That is I stored a text file in d:\text\inputfi le.txt. The folder contains a text file.but i don't know the file name . Now i have to find the folder whiich contains a text file. If the folder contains a text file, i will take that for processing.Supp ose if the folder does not contains the text file, i will show the openfiledialog to...
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  • selvialagar
    replied to Packets not sending properly
    in C
    hi......

    I solved this problem. The problem is, the window size. When the destination ackowledges my packet, it sends its window size as 16. That's why, 16 bytes are taken by the destination.Now i corrected it, and it works fine.


    Thanks for your valuable replies.
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    Leave a comment:


  • Exactly sir...You are right. Packets are identifiable by the Feature ID. Can i implement this with Semaphore or InterProcess Communication or Just using threads? Which one is the best option..I don't know clearly about semaphores..Ple ase explain it. I have to do it in VC++.Net 2003. Please give me the basic idea behind this......
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  • Hi...
    I have some doubts in your reply. Whenever the data comes, How the process B, knows the data is available in the stream..

    I think the process done by Process B are
    1. Check for the data available in the stream.
    2. If the data is available, then check for the free space available in the pool.
    Then get the data from the stream, copy the data to the pool of free space
    3. then, at...
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  • How to store incoming packets or how to allocate pool of free space for the packets?

    I am doing a project in embedded system (in vc++.net 2003)...I need to allocate a pool of free space for the incoming packets.Once i received the packet in the pool, an intimation must be given to me that the requested packet has come.How to do this?

    Meanwhile, an packet comes for another process which runs in the backend,an intimation must be given for that process.I know, it is possible by multithreading. I need some ideas, how to...
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  • selvialagar
    replied to Packets not sending properly
    in C
    Sir,
    I am using System::Net::So ckets.
    Code:
    BinaryWriter *writer;
    TcpClient *client;
    NetworkStream *clientStream;
    
    Sender *sockWriter;
    Sender *localSocketWriter;
    
    Sender::Sender(NetworkStream *clientStream)
    	{
    		this->clientStream =clientStream;
    		this->writer=new BinaryWriter(this->clientStream);
    	}
    
    sockWriter=new Sender();
    ...
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  • selvialagar
    replied to Packets not sending properly
    in C
    Code:
    short Sender::SendDataSync(Byte SendBuffer[])
    	{
    	try
    	{
    	this->writer->Write(SendBuffer);
    String *str=Sender::BytesToUnicodeStringWC(SendBuffer,SendBuffer->Count);	Sender::LogData(String::Concat("Sent : ",str), S"log");
    	SendBuffer=0;
                  }//try
    }
    in SendBuffer, i have the data to send.If i have more tha 16 bytes of data,...
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