C/C++ :: How To Interface Database With ATM Project

Jun 5, 2014

I had a project to create an ATM with a database of 100 customers, i wasn't able to interface the real program with the database. I have submitted the project already. Here is the database and the ATM program

#include <stdio.h>
int main(void) {
int account, pin;

[Code]....

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C# :: Opening A Second Form Project Within A Project

Jan 22, 2014

I have a project which does a specific thing, like an open file dialog.

I would like to open it in a different project on a click of a button.

Also, It has a different namespace.

I'm guessing that it would involve a "using" statement to add the namespace And I will have to add reference to an *.exe or *.dll -> I'll have to look up how to make a *.dll, I know where the *.exe file is.

I have searched for a different things on Google, but I don't think that I am looking for the correct phrase (which is always frustrating...)

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C# :: Static In Interface

Jul 1, 2014

I have the following scenario: I plan to have an xml configuration file.I have a trader that lunch few strategies, each have different configurations. I plan to have all configuration reside in the same file as different nodes.

Now I want that each strategy will hard code the name of node it will loop up for its parameters. Since those paramters are requered for the init and I use DI (configuration are passed in the constructor) I want to make it static.

So this would be something like.

public class Strategy: Base_strategy{
public const string _conf_name = "XXX";
public static string get_conf_name(){

[Code]....

Since other people will code strategies, I want each strategy to implement this static function. I wanted to do this in an interface so that anyone coding new strategy,implementing the base strategy will have to code this static function as part of the contract.

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C/C++ :: Use Analog Device Through USB Interface

Sep 25, 2014

I am supposed to write a C program to send through USB interface to the analog device AD9914. Now I am doing the USB interface part where my computer has to detect the AD when it is plugged in and send the signals to it. I have to write the program to detect the device when it is plugged in. What kind of functions can I use? I know that the registry stores the device when it is plugged in. What functions are available to read?

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C++ :: Impact Of Interface Changed?

Oct 28, 2014

I am not 100% confident that changing the existing interfaces will not be error-prone. Should I discard the new changes for ease of use or Adapt to new changes but having a higher risk of introducing new bugs?

old

Code:
///ContactResultCallback is used to report contact points
structContactResultCallback {
short intm_collisionFilterGroup;
short intm_collisionFilterMask;

[Code] ....

New:

Code:
///ContactResultCallback is used to report contact points
structContactResultCallback {
short intm_collisionFilterGroup;
short intm_collisionFilterMask;

[Code] ....

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C :: Low Level Library To Interface With The Mouse?

Mar 6, 2015

I want to track the mouse movement. I know that GTk+ provides some powerful libraries for creating GUI, that will, among other things, enable me to write handlers for mouse movement events, but I'm looking for a simpler, more compact capabilities for now.

Is there a low level C library that will enable me to interface with the mouse?

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C :: How To Create Graphical User Interface

Feb 25, 2013

How can i create a graphical user interface using c

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C++ :: Create A C Wrapper Around A Interface Class?

Mar 14, 2013

I need to create a C Wrapper around a C++_Class and in between needs to be an Interface-Class. The Interface-Class is needed, cause there are more C++_Classes which are kinda equal.

Hierarchicaly it would somehow look like this:

=> XY-Process which is calling the CWrapper
==> CMeasureWrapper.c// <-- CWrapper
===> CMeasureWrapper.h// <-- CWrapper Header
====> IMeasurement.h// <-- Interface-Class
=====> CMeasure.cpp// <-- C++_Class
======> CMeasure.h// <-- C++_Class-Header

My Output after compiling.(files will follow)

// CMeasureWrapper.c | CWrapper
#include "CMeasureWrapper.h"
uint32_t gu32_objectHandle;
uint32_t gu32_measureType;
int32_t addNewMeasureObject(uint32_t u32_measureObjType)
{
int32_t t_status = 0;

[Code]...

It's the first time i'll try to build an CWrapper or even a wrapper. So maybe the Project-Properties need to fit as well.

The project itself is called "Platform" with following settings in:

C/C++ -> Advanced -> Compile As -> "Compile as C++ Code (/TP)"

This property on the CMeasureWrapper.c is switched to:

C/C++ -> Advanced -> Compile As -> "Compile as C Code (/TC)" but only on this file!

I'm not sure if it's necessary, the file is of .c type, so I wasn't sure.

what I am doin wrong? Not just depending on the error output, I mean on the whole project. Is there anything else which will not work with such a combination of CWrapper, Interface and C++_Classes? If there are any questions, just throw them at me

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C# :: Error / Does Not Implement Interface Member

Jan 19, 2015

Below is a snippet of a class I am working on. My head is swimming, but I cannot understand why I am seeing the following error:

Quote

Error1 does not implement interface member 'System.ComponentModel.INotifyPropertyChanged.PropertyChanged'Medication.cs1011

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C# :: Using Timer To Refresh Interface - Keep Getting Error Message

Feb 3, 2015

I've been using a timer to refresh the listview on my application, but after half a second, I get the error message at first try/catch method in RefreshPlot() in PlotComponent.cs:

Quote An exception of type 'MySql.Data.MySqlClient.MySqlException' occurred in Marketplace.exe but was not handled in user code

Additional information: There is already an open DataReader associated with this Connection which must be closed first.

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C++ :: Pure Virtual Methods And Interface Class

Jul 11, 2012

I develop add-ons for MS Flight Simulator and I use the poorly documented SDK for this. The SDK provides a .h file in which an interface class is defined (with pure virtual methods only), something like this:

Code:
class IPanelCCallback {
public:
virtual IPanelCCallback* QueryInterface (PCSTRINGZ pszInterface) = 0;
virtual bool ConvertStringToProperty (PCSTRINGZ keyword, SINT32* pID) = 0;
virtual bool ConvertPropertyToString (SINT32 id, PPCSTRINGZ pKeyword) = 0;
};

In my code, I use this interface like this:
Code:
IPanelCCallback* pCallBack = panel_get_registered_c_callback("fs9gps");
...
SINT32 id;
pCallBack->ConvertStringToProperty(propertyName, &id);

Everything works fine, but I don't understand why... I thought the linker would stop with an "undefined symbol" error because the IPanelCCallback methods, such as ConvertStringToProperty, are declared as pure virtual but defined nowhere, and I don't use any library for linking. With such an interface class, I thought I would have to defined a subclass of IPanelCCallback and define the ConvertStringToProperty method.

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C# :: Access SIM Cards And Send / Receive Messages Through PC Interface

Nov 2, 2013

I'm gonna start a project for my own purpose. In my project I need to access GSM sim cards and send & receive messages through a PC interface. What kind of GSM Interface support for my Requirements and in feature may extend Requirements. what kind of programming language will be simple for write an pc interface to access that GSM interface device.

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C++ :: Mouse Or Keyboard Interface In Home Menu Of Console App

Feb 19, 2013

How can I design an console app such that its menu's options are used by mouse or get highlighted and enterable by using arrow keys of keyboard???

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C++ :: Linked List Interface / Implementation And Driver File

Jun 12, 2013

I am having difficulty calling the constructor in interface portion of my program. I get the error: no matching function for call to ‘Node::Node(int, NULL)’ when I try to call it on line 26 within the main function.

code:
interface: [URL]
implementation: [URL]
main file: [URL]

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C++ :: Creating Flexible Interface For CL Application - Auto Return Type?

Nov 24, 2013

I am trying to create a flexible interface for my CL application. And what i have is this :

Code:
using namespace std;
// iplcp -i queryFile -d databaseFile
template <typename INT, typename CHARA>
class API {

vector<string> files;
vector<INT> flags;

[Code] ....

and in main :

int main(int argc, char **argv){
//set variables
API<int, char**>args(argc,argv);
cout << "In file: "<< args.GetOpt("i") << " Db file: " << args.GetOpt("h") << endl;
}

// first thing to be printed should be string and the second int

I know this is not probably the best way to but i am laying around and was curious if something like this could work . Are there any good C++ templates for CLI applications from which i could learn?

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C++ :: Write Interactive Text Based Menu Interface (using A Loop)

Sep 27, 2013

Write an interactive text based menu interface (using a loop) that will allow the user to

Enter a task or assignment Display all of the tasks that are in the file Find a task by Course Quit For each task, you need to keep track of:

Course Name that it is for (e.g., CS162)
Description of the assignment (e.g., Finish Lab 2)
Due date (e.g., 9/26/2009)

Allow the program to keep looping until user wants to quit. When the program starts, it should load the tasks from external file ("tasks.txt") into memory. When user enters the three items of a task, the program needs to read them in, save them in memory and eventually write them to the external data file ("tasks.txt"). The file format could look like: (The ';' is used as a delimiter or field seperator.)

Some Implementation Requirements:

Write at least four functions WITH arguments for this assignment. Use struct named Task to model task Use array of structs to model the collection of tasks. Hint: In this assignment, the description and course name may have multiple words in it. Therefore, you now SHOULD read using the 3 argument version of get. Watch out. When using the 3 argument version of get you need to make sure to remove the delimiter or newline. Therefore, anytime you read (even a confirmation message), make sure to eat the newline! Make sure to have a delimiter written between each item in the file – like a newline. This will be important when you read the information back from the file.

This is my code so far:

#include <iostream>
int main()
{
char cname[25],desc[20];

[Code]....

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C++ :: Determine Health Of A Power Transformer - Graphic User Interface?

Nov 27, 2014

I have a program I want to write that determines the health of a power transformer. I know the syntax of all the other code I might have to use but I'm not too sure of how to make it fit into a graphic interface like you see in any other windows program.

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C# :: Graphic User Interface - Dragging And Dropping Controls In Form

Mar 5, 2014

is there a difference when creating a graphic user interface dragging and dropping controls in the form and coding on source code, difference in a sense that the code will appear differently if the control is dragged then the code appears automatically on the source code as compared to typing it on source code?

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C :: Write Message Passing Interface Program For Implementing Graph Coloring?

Mar 21, 2013

write mpi-c program for implementing graph coloring?(mpi-message passing interface used for parallel programming)

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C++ :: Create Simple Input Interface On Console - Allow To Input Values To Variables

Apr 6, 2013

I am trying to create a simple interface on console to allow to input some values to some variables. For ex:

int main() {
double a = 1.5;
double b = 2.5;
double c = 3.5;
string x;

[Code] ....

However, I want these three to display at the same time (now they display one by one), and in the console window I can move the cursor between input place of a, b and c with "arrow key" of keyboard.

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C++ :: Store A Reference Variable As Member Variable Of Interface Object

May 1, 2013

I am having trouble compiling my interface. I am trying to store a reference variable as a member variable of the interface object. Compiler says that the variable has not be initiated correctly.

LCD inherits from VisualInterface which is expecting a DisplayDriver object to be passed in (DisplayDriver is another interface, but thats not important).

I pass the displayDriver object in when LCD is instantiated in maininterfaces.zip

I was pasing it before as a pointer but was told that this could cause me problems with memory leaks and a reference was better, but now I cant seem to get it to compile.

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C++ :: Common Base Class And Abstract Interface Class?

May 28, 2013

I have an abstract base class - let's call it MyInterface - and a class that most classes in my program inherit from, let's call it MyBaseclass.

Let's assume that all my objects inherit MyBaseclass, some of which also inherit MyInterface. Now I want to collect objects in a container class, MyContainerclass. The container class is only interested in objects that implement MyInterface.

Now I know that all objects that inherit MyInterface also inherit MyBaseclass, but the compiler doesn't know that. MyContainerclass wants to call methods in MyBaseclass, but it collects pointers to MyInterface classes. I can't make MyInterface inherit MyBaseclass, because I will be using classes that I don't want to change (they are part of a framework) that already inherit MyContainerclass. IOW, I can't use virtual inheritance to get a nice inheritance diamond.

To sum up, I want to create a container class that:

1. Collects objects that implement MyInterface.

2. Calls MyBaseclass methods on the collected objects.

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C :: Not Using Structures For Project

Apr 5, 2013

I have to do a project for Programming and he said in quotes

"Programming exercise 10.6: the programming project is as described, except do not represent the points using structures.

Assume, as known, the ten (x,y)-values corresponding to x=0.0, 0.1, 0.3, 0.45 ..etc and use y-values from the

function xsin(x); as in (x,y)=(x, xsin(x)) = (0.3, 0.3sin(0.3)).

Use value n+1=10, so the LaGrange polynomial will be order = 9."

What does it mean to not represent the points using structures??

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C++ :: Making DLL Of EXE Project

May 28, 2013

I have project that is on c++. it runs fine. i want to use it in my C# application as a dll. i have created its dll and but firing exception of "interprocess communication".

Is this a doable task that creating dll of an exe project and using it in C# application?

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C++ :: Integrating DLL In Project?

Feb 21, 2013

At the moment im trying to integrate an dll in my project (first time).

I copy the lib and dll to my project-directory and the header to my include path.

Now i get a linker error:

1>LINK : fatal error LNK1181: cannot open input file "libWebSvcTx.obj"

the dll calls libWebSvcTx.dll.

I insert the libWebSvcTx.lib to the Dependencies.

Don't know whats the mention of the output and how to avoid it...

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C/C++ :: How To Connect DLL To Project

Aug 29, 2012

How I can connect BoxedApp.dll for my C# - project?Is it real?

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