C++ :: Dynamic Linking Of Two Software For Co-Simulation

Jan 25, 2013

My Project is to Dynamically Link 2 Software for Co-simulation n C/C++. So that Output of One Software becomes Input of Other automatically . at present we input the parameters manually in both the software . what to do so that it pick up values itself and gives the output by solving each and everything at once in both the software .

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C# :: Way To Build Project To Dynamic Linking Language

Dec 28, 2011

I have a project C# and i want to build it to .dll for use in ASP.Net project . Any way to do it. It look like my attachments image .

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C++ :: Packets And Tcp Simulation?

Nov 24, 2014

I have to write a program to take packets of information destined for certain ports then provide the current message using the packets I've gotten so far. Packets can come out of order, so when asked for the message, packets that haven't arrived yet are skipped and the next packet is appended. After giving the message, I have to delete all the current packets as well as ones that are received late, after the packets that were supposed come after the late packet were already provided in the message.

Data:Up to 1000 ports, numbered 0-64000, and each message can contain up to 1000 packets.

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C/C++ :: Charge Simulation Method?

Sep 26, 2014

how to write a "charge simulation method" program in C or C++? It's to calculate electric distribution and also electric potential of two different dielectrics. I have attached the diagram of the shape of the electrode that needs to be investigated.

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C/C++ :: Email Simulation Using Queue?

Feb 1, 2015

Here is the assignment I get:

Write an email simulator that processes mail at an average of 40 messages per minute. As messages are received, they are placed in a queue.assume that the messages arrive at an average rate of 30 messages per minute.messages must arrive randomly.

Each minute, you can dequeue up to 40 messages and send them. Assume that 25% of the messages in the queue cannot be sent in any processing cycle.use a random number to determine whether a given message can be sent. If it can't be sent, enqueue it.

Run the simulation for 24 hours, At the end of the simulation, print the statistics that show:

-The total messages processed.
-The average arrival rate.
-The average number of messages sent per minute.
-The average number of messages in queue in a minute.
-The number of messages sent on the first attempt, the number sent on the second attempt, and so forth.
-The average number of times messages had to be requeued (do not include the messages sent the first time in this average)

Well, actually I've done a part of the coding. But how to continue it. And here is my code :

#include <iostream>
using namespace std;
#define SIZE 40
class Queue {
int queue[SIZE];
int head, tail;
public:
Queue();
void Enq(int num);

[code]....

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C++ :: Flash Memory Simulation Using A Code

Jan 23, 2013

I have to simulate flash memory using C++ for a project.

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C++ :: Combinational Logic Simulation Using QThreads

Oct 30, 2013

I'm trying to create program that reads in commands from an input file, and accordingly creates, connects or destroys logic gate primitives (and gates, or gates). Additionally, I'm trying to modify a previous program that I wrote to do this using QThreads, where each gate is placed in its own QThread. I'm trying to avoid using invokemethod, and I'm sure this method can work. My specific issue that I'm having trouble debugging is in my connect code block in main.cpp. Whenever I try to reference a gate specified by the input file that is NOT the true or false gate (I have one of each and they are attached to any gate that needs a true or false input), I get only a NULL reference. This includes attempting to reference the gate in my gatelist QMap. Calling gatelist.value(newCommand.at(1)) causes the program to hang, and the connect statements referencing said gate return errors about connecting a signal or slot of a NULL pointer.

Here is main.cpp:
#include <QPointer>
#include <QMap>
#include <QDebug>
#include <QString>
#include <QFile>
#include <QTextStream>

[Code] ...

My accompanying class declarations can be found here : [URL] ....

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C++ :: Lotto Simulation - Defining User And Lottery?

Feb 11, 2013

How do i define user and lottery..

//Declarations
#include <iostream>
#include <cstdlib>
#include <ctime>

const int lotteryDigits = 10;
const int SIZE = 5;
const int Power = 1;
int generateLottery(int[], int, int);

[Code] ....

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C++ :: Error In Classic Bank Teller Simulation Program?

Feb 17, 2014

Anyhow, I have a program due Wednesday that is along the lines of the classic Bank Teller simulation using Queue's.

Unlike most of these programs, I have to integrate my own Queue, QueueNode, Teller, and Customer classes. I have attached all of these headers below plus the main file.

Now the error: While I'm sure there are other issues with the code, it will not let me create a new customerQueue (of Queue type) object as such:

Queue<Customer> customerQueue;

The error it is giving me is:

no matching constructor for initialization of 'Queue<Customer>'

Here is my code:

Queue.h:

#ifndef QUEUE2_H_
#define QUEUE2_H_

#include <iostream>
#include "Teller.h"
#include "Queue.h"

[Code] ....

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C++ :: Simulation Of Motion Of Magnets On A Rod - Long Double Not Working

Apr 25, 2013

I'm currently working on a simulation of the motion of magnets on a rod. As part of it, there are arrays of the properties of the magnets:

long double *accelerations; // These will later be dynamically allocated depending on the number
long double *velocities; // of magnets
long double *positions;

However, when I go to compile this, the compiler gives me these error for the pointers:

error: two or more data types in declaration of 'accelerations'
error: two or more data types in declaration of 'velocities'
error: two or more data types in declaration of 'positions'

Apparently, the compiler isn't recognising long double* as a type and is instead reading is as the two types long and double*.

My compiler is MinGW 4.4.3

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C++ :: Build A Banking Simulation Program Around The BankAcct Class?

Sep 5, 2014

I'm supposed to build a banking simulation program around the BankAcct class, which provides the following service: create new account with unique account number (maximum 5 accounts created in a single test running); deposit/withdraw; print information of all existing account. I was running a test program with only 2 services first, namely creating new account and depositing, but the program just keep on crashing and I couldn't figure out why.

#include <iostream>
#include <sstream>
#include <string>
using namespace std;

[Code].....

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C++ :: Fill Value Of Dynamic Array Of Dynamic Arrays?

Jan 4, 2013

I'm writing a program in which I have to use a matrix to represent a file in code. because it's a file, the size of the matrix is undefined, and therefore the matrix has to be dynamic. I found out that my compiler doesn't like dynamic multidimensional arrays, so I was thinking of this matrix as a dynamic (monodimensional) array of other dynamic (monodimensional) arrays. My program (and thus this example) uses unsigned chars.

unsigned char variable=something;
unsigned char**matrix=new unsigned char*[lenghtOfMainArray];
for(int rowNumber=0;rowNumber<lenghtOfArray;rowNumber++)
{

[Code].....

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C++ :: Dynamic Memory Is Affecting Non-dynamic Values

Oct 7, 2014

i'm implementing a playerclass for a game.. in the game there are multiple player types, weapons ect.. i just wanted to turn my players weapons into a dynamically allocated c_str. once i added my: Destructor, Copy Constructor and Overloaded Assignment Operator. My initial values became corrupted and i cannot fix them.

Player2.cpp
#include <string.h>
#include <iostream>
#include <cstdlib>
#include <iostream>
#include "player2.h"
#include "dice.h"
#include "gamespace.h"

[code]....

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C++ :: Explicit Linking Of DLL

May 22, 2014

I am working on Explicit Linking of a DLL to an executable. But, when it comes to application, I have some troubles.

1) I try to export a class using C Language approach. (I would ask for other approaches later).

My dll project as follows:

dllmain.cpp
// dllmain.cpp : Defines the entry point for the DLL application.
#include "stdafx.h"

BOOL APIENTRY DllMain( HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved

[code]....

2) Related with the question above, what is the best way to provide a "pure" explicit linking? How can I explicitly link a dll without introducing the corresponding .lib and without including the dll's header file?

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C++ :: Linking / Mixing For Loops?

Mar 8, 2013

i am trying to write program that prints out full lyrics to 99 bear song. Hoping for explanation or anything

The output would have to look like:

99 bottles of beer on the wall, 99 bottles of beer.

Take one down and pass it around, 98 bottles of beer on the wall.

My try below:

Code: #include <iostream>
using namespace std;
int main()
{
for(int i=99; i>=0 ;i--)
cout << i <<""<< " bottles of beer on the wall, "<<i<<" bottles of beer."<<endl;
for(int j=98; j>=0 ;j--){
cout <<endl;
cout << "Take one down and pass it around," <<j<<" bottles of beer on the wall."<<endl;
}
return 0;
}

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C :: Static Library Linking

Oct 7, 2014

I am trying to refresh my memory here as I did some studies many years ago but the results elude me.Also todays c/c++ compilers may have better optimizations.Say I have a static library that includes three obj modules.Each of these object modules has a number of functions. These functions do not reference any other functions within the obj module.My main app links this library but only references one function from each of the object modules.

Question: Are the complete contents of each module linked into my main app or are todays linkers smart enough to just link the functions used?

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C# :: Linking Progress Bar With Datagridview

Feb 25, 2014

I am running a windows forms project. on the form there is a datagridview, a progress bar, a textbox and two 2 buttons.

The two buttons are used to navigate through the records(one for next record and the other for previous record) the textbox displays the record that is being currently viewed.

How can I link the progress with the database or in this case the datagridview and when the next button is pressed it increments and when the previous button is clicked it decrements and also the progress to be fully filled when the last record is reached ?

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C++ :: Linking Errors - Xxx Already Defined

Sep 7, 2012

I am forced to have the deceleration of a class template in the .h file.

See here: [URL] ....

This works perfectly fine, as long as i #inlcude the header file only in ONE .cpp file.

The moment i #inlude it in several .cpp files, i get LNK2005 already-defined errors.

a.obj : error LNK2005: "public: unsigned int * __thiscall theclass::themthod(void)" (?xxx@theclass@@QAEPAIXZ) already defined in b.obj

I would have assumed inclusion guards can protect me from this, but wrong.

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C :: Linking Data Elements Within A Database

Nov 24, 2013

I am writing a contact book program in C that will run in the terminal. I am going to create a file to store the data separately, but have run into a few question areas:

1) It has occurred to me that it might be more efficient to setup the program so that it sorts the contact info by info type rather than by running through an index of the contacts and then linking all of that contact's information to that index. So basically one part of the file would be phone numbers, the other contact names, and so forth with each piece of data linked to another piece within the data file that corresponds to the same contact. Am I wrong to think this is a more efficient way to set up the file?

2)How would you link the data information to other pieces of data corresponding to the same contact in C? My thought is to do it with pointers, but I didn't know if it were possible to have the pointers as I didn't know if the pointer would point "persistently" to the data once the file closed.As I felt this is a more "in general" question, I have chosen to omit my code from this post (especially since there is not much "meat" in it to speak of).

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C++ :: Linking Static Library To CPP File

Jun 20, 2013

I have a libcx3d.a which contains my VrmlParser class and other classes which are used by VrmlParser. I have a main.cpp which does this :

VrmlParser vp = new VrmlParser();
double **VOB = vp.getVOB();

When I compile using g++ main.cpp -o main -L. -lcx3d, I get the following errors :

'VrmlParser' was not declared in this scope.
expected ';' before vp.
'vp' was not declared in this scope.

There is a header file called "VrmlParser.h" in the static library. Should I include this header file in main.cpp ? If so, will include "VrmlParser.h" work ? I have the .a and .cpp in the same directory. I can't find the header file for the static library.

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C++ :: Linking Modules In Code Blocks?

May 15, 2013

I find myself in a position where I am repeating the same pattern of, write shared lib, compile, link shared lib, write app lib "sandbox" dependent on shared lib, write shared lib, compile, link, write...

At each level of dependency I have to carry over previously shared libs, search directories, etc. How to automate this process, so I spend less time linking after each layer?

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C++ :: Linking To Static Library That Contains A Macro

Jul 16, 2014

I have built a static library that contains a macro. From a separate exe, I am calling this macro, but it doesn't work.

The compilation of the static library and that of the exe went okay.

Static lib contains just the macro definition.

Exe contains call to this macro.

Is there anything else that I need to do for this to work?

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C++ :: Static Linking Boost Library

Dec 17, 2014

I have written a program that uses boost in visual studio 2012. The only boost library I used is filesystem by doing.

1)Properties->Linker->General and adding the path or the .lib to the additional dependencies. The libraries, link at compile time.However when i move the exe to a different computer, it doesn't work. Therefore the libraries were dynamically not statically linked. So my question is how do I statically link the filesystem library, so that i can include boost/filesystem.hpp in visual studio 2012?

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C/C++ :: Linking Classes Through Header Files?

Jul 30, 2014

I am having the issue of trying to call functions of a class through the header file.

Test.h
#ifndef TEST_H
#define TEST_H
class Test {
public:
void Hello();

[code]....

This code returns the error "undefined reference to 'Test::Hello()'"

All I am trying to do is call the Hello(); function in a seperate file.

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C/C++ :: Linking Boost Thread With Xcode

Sep 30, 2014

I have built Boost from the website using

./bootstrap.sh
./b2 install

I think all are installed properly. I am trying to use Xcode to include the library of boost:thread.My code links to the header file properly with " #include "boost/thread.hpp"" commented, as seen from the following:

However, it could not link properly to boost-thread if "#include "boost/thread.hpp"" is un-commented.

Error page is shown as:

I have linked the dynamic library libboost_thread.a and libboost_thread.dylib and included /usr/local/include into header search path and /usr/local/lib into library search path.

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C++ :: Error Linking VOCE Library In QT?

Jan 17, 2014

I am trying to use the C++ version of VOCE voice recognition API. It is an API built in Java, with support to C++ as well.

It works totally fine when I am working with VC2010. In vc2010 I have put all the necessary include files in the Vc++ Directories->Include Directories, and the library D:Program FilesJavajdk1.7.0_45lib in Linker->Additional Library Directories, and i added jvm.lib in Linker->input And everything works great

However, whenever I am trying to execute it in Qt, I am getting the error:

Code:
thread.obj:-1: error: LNK2019: unresolved external symbol __imp__JNI_CreateJavaVM@12 referenced in function
"void __cdecl voce::init(class std::basic_string<char,struct std::char_traits<char>,
class std::allocator<char> > const &,bool,bool,class std::basic_string<char,struct std::char_traits<char>,

[Code] ......

This is my .pro content:

Code:
QT + = core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = ProjectX
TEMPLATE = app

[Code] .....

How can I get rid of this error? I am using QT, the latest version which use the Visual c++ 2010 compiler.

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