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  • Scaling range of values with negative numbers

    - by Pradeep Kumar
    How can I scale a set of values to fit a new range if they include negative numbers? For example, I have a set of numbers (-10, -9, 1, 4, 10) which have to scaled to a range [0 1], such that -10 maps to 0, and 10 maps to 1. The regular method for an arbitrary number 'x' would be: (x - from_min) * (to_max - to_min) / (from_max - from_min) + to_min but this does not work for negative numbers. Any help is appreciated. Thanks!!

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  • Can anyone give me a sample java socket programming for doing a peer to peer for 3 systems?

    - by Sadesh Kumar N
    I am doing an university project. I need some sample programs on peer to peer programs in java socket programming. Every where people are telling to add a server socket in the client program. I am in a confusion. Can a single program having server socket and client socket will do or i have to create two programs of one initiating a system and another peer program running thrice to solve the problem. or i need to create three programs for three peer systems. I am not clear on the architecture of building peer to peer programs using java sockets. Can some one help me giving a simple program on how to create a peer to peer connection between three systems. I know how to do a socket program for client server model and clear on the concept. But creating a peer to peer architecture sounds complex for me to understand. I also referred this thread. developing peer to peer in java The person commented second says" To make peer2peer app each client opens server socket too. When client A wishes to connect to client B it just connects to its socket. " Need some more sample and an explanation on how peer to peer java socket program works I dont want any external api like jxta to do this task. I need a clear picture on how it works alone with an example.

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  • Multiple Remote call made simultenously

    - by Sudeep Kumar
    I was making multiple remote calls and they are done sequentially and when I am getting a result event back it's triggering calls to all the methods with ResultEvent as an argument . I am supposed to receive the result event only in the method given inthe event listener but it's triggering calls to all the methods with ResultEvent as an argument . Has anyone come across this kind of problem? Is there any workaround for it?

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  • Twin edges - Half edge data structure

    - by Pradeep Kumar
    I have implemented a Half-edge data structure for loading 3d objects. I find that the part of assigning twin/pair edges takes the longest computation time (especially for objects which have hundreds of thousands half edges). The reason is that I use nested loops to accomplish this. Is there a simpler and efficient way of doing this? Below is the code which I've written. HE is the half-edge data structure. hearr is a vector containing all the half edges. vert is the starting vertex and end is the ending vertex. Thanks!! HE *e1,*e2; for(size_t i=0;i<hearr.size();i++){ e1=hearr[i]; for(size_t j=1;j<hearr.size();j++){ e2=hearr[j]; if((e1->vert==e2->end)&&(e2->vert==e1->end)){ e1->twin=e2; e2->twin=e1; } } }

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  • Not working for single click..Jquery Grid

    - by kumar
    $("#table_id").click(function(e) { var row = jQuery(e.target || e.srcElement).parent(); $("#table_id").bind('click', loaddata); name= row.attr("id"); }); loaddata is the funcation I am calling on click on each row.. but this cilck event is working for double click.. I mean when you double click its working fyn.. but i need it to work for single click on the row.. is that anything I am doing wrong here? thanks

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  • how to show only date?

    - by kumar
    I have a column in the data table called CurrentDate as datatype string..(12/2/1983) when I am displaying on the screen this is showing as 12/2/1983 12:00:00AM I am not sure why I am getting timestamp here? can anybody help me out? thanks

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  • jquery dialog popup window problem

    - by kumar
    I have this code $("#window").dialog({ resizable: true, height: 180, title: titles, width: 500, modal: false, buttons: { "OK": function () { $(this).dialog("close"); } } }); i am able to get the popup perfectly but the problem I am getting here is.. On the top of the Dialog box I have 'X' I am not able to see that X on dialog popup's but when I resize my window I can able to see.. what I am doing wrong in this? Thanks for your all help

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  • Touchscreen sensitivity

    - by Aashish J Kumar
    I'm trying to make an android app only for tablets, which will draw the lines as and where the user touches the screen. It is very simple and there are lot more apps like this. I have a doubt regarding the touch-screen technology. Is there any possibility that if the user touch the screen soft then the lines will be dull and if the user touch the screen harder then the lines drawn will be thicker? Is it even possible to do such things in tablet? I don't have info about the hardware and technology used in tablets, please guide me with a valid answers and please refer me to any blogs or docs which says about the touch sense technology. Thank you

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  • button click expand and collapse using jquery.

    - by kumar
    <script type="text/javascript"> $(document).ready(function() { $('#tmpOpen').click(function() { var value = $("#tmpOpen").attr("value"); if (value == "Expand") { document.getElementById("tmpOpen").value = "Collapse"; $('#Grid tr[role="row"] td a').not('.icon-minus').click(); } else { document.getElementById("tmpOpen").value = "Expand"; $('#Grid tr[role="row"] td a').not('.icon-plus').click(); } }); </script> is this right what i am doign here? icon-plus is class name for a...

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  • Dynamic function arguments in C++, possible?

    - by Jeshwanth Kumar N K
    I am little new to C++, I have one doubt in variable argument passing. As I mentioned in a sample code below ( This code won't work at all, just for others understanding of my question I framed it like this), I have two functions func with 1 parameter and 2 parameters(parameter overloading). I am calling the func from main, before that I am checking whether I needs to call 2 parameter or 1 parameter. Here is the problem, as I know I can call two fuctions in respective if elseif statements, but I am curious to know whether I can manage with only one function. (In below code I am passing string not int, as I mentioned before this is just for others understanding purpose. #include<iostream.h> #include <string> void func(int, int); void func(int); void main() { int a, b,in; cout << "Enter the 2 for 2 arg, 1 for 1 arg\n"; cin << in; if ( in == 2) { string pass = "a,b"; } elseif ( in == 1) { string pass = "a"; } else { return 0; } func(pass); cout<<"In main\n"<<endl; } void func(int iNum1) { cout<<"In func1 "<<iNum1<<endl; } void func(int iNum1, int iNum2) { cout<<"In func2 "<<iNum1<<" "<<iNum2<<endl; }

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  • Package Confugurations

    - by Sreejesh Kumar
    I had created a package with necessary connections. And I had enabled Package Configurations. But I am unable to execute the package. Error is shown. And its related to connection failure , I think.

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  • if not (i_ReLaunch = 1 and (dt_enddate is not null)) How this epression will be evaluated in Oracle

    - by Phani Kumar PV
    if not (i_ReLaunch = 1 and (dt_enddate is not null)) How this epression will be evaluated in Oracle 10g when the input value of the i_ReLaunch = null and the value of the dt_enddate is not null it is entering the loop. according to the rules in normal c# and all it should not enter the loop as it will be as follows with the values. If( not(false and (true)) = if not( false) =if( true) which implies it should enters the loop But it is not happening Can someone let me know if i am wrong at any place

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