C++ :: Creating Ability To Read Pages Into Program
Feb 17, 2014
I am working on writing a game that progresses from one "page" to the next. However, with the knowledge and experience I have right now I am only able to hardcode the "Pages" into the source code. I would like to learn how to put the pages into another file "default.pages" and have the program read the file and input the information into itself after I have compiled it. Then, if I change the pages file I simply have to restart the program instead of recompiling all of it. Someone said I should use XML and input it into an object and use that object, but I'm not sure how to do that yet.
I have 3 files right now:
main.cpp, pages.cpp, and pages.h.
//MAIN//
#include <iostream>
#include <string>
#include <fstream>
#include "pages.h"
using namespace std;
const Page gamePages[] = {};
[Code] ....
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Oct 30, 2014
I have this if block that is supposed to be creating a pipe then forking and I would like to combine the while loop below it with it. How would I do that?
p = pipe(pipe1);
if (p < 0) {
printf("pipe error");
exit(0);
} else {
printf("successful pipe1 = %d",p);
[Code].....
I have trying to read this documentation but don't understand it. [URL] ....
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Feb 10, 2015
am trying to create a service that will try to create a service that will monitor a folder. Whenever a new file gets created, I am trying to read the contents of new file and copy contents (with same file) at a new location.
The problem I am facing is that only first file that gets its name copied and a file created at a new location, but without any contents. The subsequent files do not get created at all.
My Services.cs looks like this:-
public partial class Service1 : ServiceBase
{
public Service1()
{
[Code]....
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Dec 16, 2014
I'm not new to C++ programming but I'm not an expert either. I'm using Borland C++ builder 5. I know it's extremely antiquated, but I have no choice right now. Writing a database reporting program, using third party report building components (ACE) which has it's own print dialogs built in. However, in this report we cannot use the build in dialogs and have to use a standard TPrintDialog. When the TPrintDialog is executed and you click print on the dialog, only one page is sent to the printer.
Here's some code:
// The dataset for the report is executed prior to this code and does not //change.
Once the data is gathered, the report can be run as often as you like // and the same data will appear in the report.
Code:
if (cbxShowForm->Checked){
OverlayBand->Visible = true;
AllowPrint = false;
SctReport1->Prompt = false;// disables ACE Reporter Print Dialog
SctReport2->Prompt = false;
[Code] ....
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Aug 27, 2014
In the program I'm writing, I'm creating a linked list of students with individual data read from a file. At the moment, I have written two functions to accomplish this; one that creates a student node and fills it from a line file, and a second that calls on the first to create a linked list. It seems to work fine except for one thing; It seems that EOF is being reached first, but the function continues on anyways? Here is my code so far...
Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct student
// Declaring student structure globally.
[Code] .....
And here is what the input file would look like...
Thui Bhu, 100, 90, 80, 100, 89, 99, 88
Ariana B. Smith, 90, 90, 100, 100, 99, 100, 95
Emily Gonzales, 100, 90, 100, 70, 78, 78, 80
Jennifer L, 80, 90, 90, 100, 89, 99, 85
Maria Jones, 65, 72, 77, 68, 62, 70, 65
Bill Gates, 60, 54, 38, 62, 65, 60, 50
Escobar Morris, 83, 77, 88, 76, 79, 72, 76
Anne Latner, 80, 80, 85, 95, 90, 95, 98
John Doe, 45, 87, 88, 89, 67, 96, 79
And here is what the output is...
EOF
EOF in create_record
Thui Bhu: 100 90 80 100 89 99 88
Ariana B. Smith: 90 90 100 100 99 100 95
Emily Gonzales: 100 90 100 70 78 78 80
Jennifer L: 80 90 90 100 89 99 85
Maria Jones: 65 72 77 68 62 70 65
Bill Gates: 60 54 38 62 65 60 50
Escobar Morris: 83 77 88 76 79 72 76
Anne Latner: 80 80 85 95 90 95 98
John Doe: 45 87 88 89 67 96 79
Press any key to continue . . .
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Feb 19, 2013
How do i read a specific part of a file? I am trying to create a game that reads the prices of an object inputted by the user from a file. This is the code i have so far
#include <iostream>
#include <fstream>
using namespace std;
int main () {
ifstream infile;
infile.open ("Objects.txt", ifstream::in);
[Code] ....
The file contains this :
Example objects
( ) store items
(item) (purchase value)/(sell value)
Grocery Store Items
Fish 5 7
Vegetables 10 15
Drinks 20 30
Weapon Store Items
Pistol 300 375
Rifle 400 500
Ammunition 20 30
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Jul 9, 2013
I'ma firmware writing, and usually use only C language (not my decision, unfortunately!).In many application we've only a text display (2 rows 16 columns ascii char, or 4x20 or something else). But the question can be used also for semi graphics panel and so on.
I'm looking for an example / library / sourcecode to handling all the pages in the project. When the program start you've a 1st page (wth info abt release, hallo screen and so on), then with a arrows buttons you can navigate throught many pages. Some of these can be called by SW (or HW) events. (Button, alarm, end of job ...) In abt 20 year of experience3 I?ve seen many type of different code.
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Mar 8, 2014
I wanted to remove previous tappages from tab control and add new tab pages on button click, but previous tab pages are not getting removed
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
[code]....
Update:i have added the below code on button click and i am able to create a new tabpages
this.Controls.Remove(tc);
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Oct 24, 2014
For now the app creates a new DateTime property which is binded to a label and shows the user the current time. Eventually I want to have the ability to select the timezone you are in, change font/background colors/etc etc... But that is all in time. My current step that I am trying to implement is having a button click (Binded to an event method) change screens. I find it hard to explain in words, but I would like the same Window to be used, just have different functions on the other when the button is clicked. So for example...
The only way I have found to do this so far is to create a whole new form or create tabs. While those are all good and have their place. I know that I need to start breaking up my code into classes, I am developing a bad habit throwing everything into the MainWindow Class...
Here is the code if needed:
XAML:
<Window x:Class="ClockApp.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Name="MyWindow"
Title="Alarm Clock App" Height="180" Width="360" Visibility="Visible" ResizeMode="NoResize" WindowStyle="ToolWindow">
[Code] ....
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Feb 11, 2014
I created a richtextbox to input the text that I want to print, the command for printing which is the button and instead of printdialog box((PrintDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)) to be display, I created combobox which will display the available printers and then print.
Like this code bellow .
To get the available printers:
foreach (String printer in PrinterSettings.InstalledPrinters)
{
cbox.Items.Add(printer.ToString());
}
And the button for printing :
PrintDocument1.PrinterSettings.PrinterName = cbox.SelectedItem.ToString();
PrintDocument1.Print();
Now what I want to do is I will add some textbox to input the page number to be printed . For example the current pages in the richtextbox are 12pages when I'm going to run the program I will input in the textbox the page/s that I want like (3-7pages). How could it be ?
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Mar 16, 2014
I have function like this:
void OpenURL(LPWSTR url) {
//Notice! 6 parameters, not 7
ShellExecute(NULL, L"open", url, NULL, NULL, NULL);
}
If I then use this function like this:
OpenURL(L"http://www.google.com/");
OpenURL(L"http://bytes.com/");
OpenURL(L"http://www.yahoo.com/");
sometimes only the first web page is opened, but sometimes all of them. What I should do so that all the web pages opened with OpenURL-function are always opened? Also, better ways to open web pages are very welcome. I use Visual Studio 2008 Express and Visual Studio 2013 Express.
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Oct 21, 2012
How can I calculate the total of pages for all file(pdf,word,excel,txt...) types in a directory with c#?
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Jan 30, 2013
I am trying to include library paths in VS 2012 through the new property pages.I downloaded and installed mpich2-64 bit libraries under "C:Program FilesMPICH2include" and set the include path in Microsoft.cpp.x64.user property file so the path now looks like
Code:
"$(VCInstallDir)include;$(VCInstallDir)atlmfcinclude;$(WindowsSDK_IncludePath);C:Program FilesMPICH2include;"
But somehow it fails to find the files.
Code:
fatal error C1083: Cannot open include file: 'mpi.h': No such file or directory
The file is definitely there, so what could be the problem ?
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Apr 28, 2014
I need starting a do-while loop in my program that runs up to 10 time that asks the user to enter up to 10 scores, which include the slope and rating for the course, and calculates the handicap for each score.
Here's what I have so far:
Code:
{
//This program calculates a golfers handicap.
#include <iostream>
#include <string>
using namespace std;
[Code] ....
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Mar 6, 2015
I am trying to create a border around my program. It looks like this: . I had to read a file in, which is in the attachment and produce the desired output in the image. I have produced the desired output, but without the border.
Here is my code thus far:
insert Code:
#include<stdio.h>
#include<Windows.h>
#define HEIGHT 21
#define WIDTH 78
int map[HEIGHT][WIDTH];
int i = 0, j = 0;
[Code] ....
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Jan 15, 2013
I wanna create a DLL from my C++ program. My output of my C++ program is a text file called Centre_Cartouche.txt My output is two text files called brd.txt and sym.txt
At the beginning my program was just a main which contains all development (Main.cpp). Now I created function (in _Cartouche.h and _Cartouche.cpp).
My debugger tell me that the simulation works. But my file Centre_Cartouche.txt is not create.
_Cartouche.cpp_Cartou.hbrd.txtsym.txt
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Mar 13, 2014
I just started learning the basics of programming. While encountering one of the practice problems in the book by Alex Allain I got a little confused. The question is as follows:
Write a menu program that lets the user select from a list of options, and if the input is not one of the options, reprint the list.
The author assumes you can answer this question only using if statements and/or loops (while, for and do).
This is the code I've written thus far:
Code: #include <iostream>
using namespace std;
int main()
{
int option;
char reset;
[Code] ....
For some reason, the nested while loop keeps repeating even when you input a valid option (1, 2 or 3). I can't seem to figure out why this happens.
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Feb 8, 2014
Is it possible to encrypt a folder and put it in a file container. Would I need to store the header key and other stuff my self or do the encryption methods take care of it? I am just getting into file input/output. I am just looking to make a simple console based one.
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Sep 10, 2014
I am starting this project on how to encode and decode messages that are inputted, how to start this?
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Aug 5, 2014
I'm creating a space simulator program for uni and I've got 3 errors that I just can't seem to fix.
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Jan 30, 2013
This is the problem in detail:
I have a VC++ project to create a DLL that will be used as a Plug-in in an external programm. This DLL uses some MFC functions. The initial configuration of the project was:
-Use of MFC: Use MFC in a Static Library
-Common Language Runtime support: No Common Language Runtime support
-Runtime Library: Multi-threaded Debug (/MTd)
This configuration worked fine, there were no compilation errors and the resulting DLL worked correctly.
The problem came when it was necessary to add to the DLL some functions of .NET, using the namespace System and similar. To do that, I had to change the Common Language Runtime support, to Common Language Runtime Support (/clr). Then, when I tried to compile, I got this message:
'/MTd' and '/clr' command-line options are incompatible
So I changed the Runtime Library to Multi-threaded Debug DLL (/MDd). Then I got this error message:
Building MFC application with /MD[d] (CRT dll version) requires MFC shared dll version
So I also changed the Use of MFC to Use MFC in a Shared DLL.
After this, the compilation was correct. Then logically the size of the generated DLL is smaller, but this new DLL does not work correctly, the external program in which this DLL is used crashes.
I don't know what to do to fix the problem. Maybe I need to add some other DLLs or files to the directory where the DLL is located, where the external program uses it. But I would prefer to include a single DLL file, but this seems to be incompatible with the use of .NET functionality.
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Aug 9, 2012
I'm trying to create a program that creates random numbers. I looked through some examples and this is what I came up with. The time identifier seems to be undefined yet I see no reason it is undefined.
Code:
#include "stdafx.h"
#include <iostream>
using namespace std;
int main() {
//Re-seed the random-number generator
time_t now;
[code]...
here's my error code..
1>------ Build started: Project: bake, Configuration: Debug Win32 ------
1> bake.cpp
1>c:usersjonbecherdocumentsvisual studio 2012projectsakeakeake.cpp(8): error C3861: 'time': identifier not found
1>c:usersjonbecherdocumentsvisual studio 2012projectsakeakeake.cpp(9): warning C4244: 'argument' : conversion from 'time_t' to 'unsigned int', possible loss of data
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
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Apr 24, 2013
Creating a C program that can pick words in a string or array and save it in different location, later combine everything in one string or array. It will be using simple programming C code. For example (arrays, pointer) but not interrupts or other string functions.
In a sentence like this:
Size= 70
$--GSV,x,x,x,x,x,x,x,...*hh $--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,b,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh $--GLC,xxxx,x.x,a,x.x,a,x.x,a.x,x,a,x.x,a,x.x,a*hh $--GSA,a,a,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x.x,x.x,x.x*hh
The program must capture the $--GGA string then extract from this string:
1) hhmmss.ss
2) IIII.II
3) a (if a = to N or S replace N or S with + or - respectively )
4) yyyyy.yy 5) b (if b = to E or W replace E or W with + or - respectively )
Save them in an array and display as well. After all the saving, the program should combine them to one string. That the final output.
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Feb 21, 2014
I am new to C programming, I have been given an assignment to create a simple calculator by splitting the program in 3 files. It should have 2 .c files and 1 .h... I went through the internet extensively and could only come up with this.
main.c:
Code:
//Calculator main.c
#include <stdio.h>
#include <conio.h>
#include "Functions.h"
int main() {
float x = 0, y = 0;
int operation;
[Code]...
Functions.c
Code:
#include "Functions.h"
extern float x, y;
float addition (float a, float b) {
return a + b;
[Code]...
Functions.h
Code:
#ifndef FUNCTIONS_H_INCLUDED
#define FUNCTIONS_H_INCLUDED
float Sum(float a, float b);
float difference (float a, float b);
float remainder (float a, float b);
float product (float a, float b);
#endif
When I do a 'cl main.c' on the Developer Command window for VS2013, i get an error that reads :
main.obj
main.obj : error LNK2019: unresolved external symbol _difference referenced in function _main
main.obj : error LNK2019: unresolved external symbol _product referenced in function _main
main.obj : error LNK2019: unresolved external symbol _addition referenced in function _main
main.exe : fatal error LNK1120: 3 unresolved externals
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Apr 25, 2014
I have the following problem on my C++ Program and I am not sure why it is not working. I am creating a infix to postfix program through an inherited class which I am not sure it is working.
#include <iostream>
#include <stack>
using namespace std;
int in_stack_Priority(char a){
if(a == '*' || a == '/')
return 2;
[Code] .....
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Jan 22, 2015
m creating a program with parameters to convert pounds to euros.
I keep getting this errorc2447: '{' missing function header for the line 'void showPriceInEuros' ....
#include <iostream> //for cin >> and cout <<
#include <cassert> //for assert
#include <iomanip> //for endl
#include <Windows.h>
using namespace std;
void processAPrice();
int getPriceInPounds();
int convertPriceIntoEuros(int pounds);
[Code] ....
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