51,593 Topics
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| | Can you tell me how can i increase the font of my output for particular portions of myy program on the output screen in visual studio.net 2003... for example if i want to give a heading or a title in bigger font.. how can i do so???  |
| | Hello, I've written a program that mimics a 32-bit MIPS processor. It does a couple of instructions. It works by reading in a Hexadecimal instruction of length 8 and then carrying out the instruction and writing the information to a file. It was working fine earlier but now I get … |
| | Hi, I' am required to convert a MATLAB function into C++, and this requires me to find determinate of a matrix. I was told that use of BOOST library would make my job easier. I went through the documentation of BOOST Library, but couldn't find much info about the same. … |
| | Hello all, First of all i am a beginner in vc++, so excuse my question if its simple. I was wondering if I could use the data from button1 in button 2 my code is: [CODE] public:System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) { OpenFileDialog open; open.Title = "Select Wave File"; open.Multiselect …  |
| | I have a code that is opening a browserwindow like this: [code] Process::Start("iexplore.exe", "http://www.google.com"); //Open google in a defaultBrowser [/code] I wonder something about this "iexplore.exe". I am not sure what that meens. Does it meen that it Only will open Internet Explorer if that exists on the users computer. … |
| | Hi, I want to convert unit32 variable to uint16 variable because I can't read uint16 directly from a file using sscanf. Is that possible? Thank you! |
 | I have tried to implement a stack class but i got stupid errors. There is a stupid error i know but i couldnt find it. [CODE]#ifndef STACK_H #define STACK_H /*Manual implementation of Stack class. By this way it will be possible to learn the advantages of Stack data structure over … |
| | I have to call some c++ functions in php files. how can i create an extention dll which will work with php.  |
 | hello to everyone i am new to this stuff so i was wondering if anyone could help me fix this error that i get on a code that is for a payroll assignment. when i build it i get this [B]C4551: function call missing argument list[/B]. would really like the …  |
| | Hiii.. I m having doubt on how to use the ncWrite API of NI-MAX... I need to pass voltage ,and temperature values into CAN bus.. I m getting those values through my VC++project... I know onlyt this: NCTYPE_STATUS ncWrite( NCTYPE_OBJH ObjHandle, NCTYPE_UINT32 DataSize, NCTYPE_ANY_P DataPtr); Please help me ...  |
| | How can i change this code to get a output like this: This Program Average grades and output the average and letter grade Quiz1 Quiz2 Quiz3 Quiz4 Average Grade s1 70 80 90 95 83.75 B s2 95 85 90 80 87.5 B s3 75 85 70 80 77.5 C … |
| | Hello all I have a problem.I am trying to convert 'System:tring ^' to 'const char *' but i don`t know how. can some one please help me? I use VC++ 2005 I need to open files with extension .wav my code is: [CODE] public:System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) { OpenFileDialog … |
| | Having problem set code up for five rows and 4 column. Any ideas have too do it the code, i am currently using: [CODE] cout << setfill(' ') <<setiosflags(ios::left) << setw(11) << "Student" << setw(10) << "Quiz1" << setw(8) << "Quiz2" << setw(8) << "Quiz3" << setw(8) << "Quiz4" << … |
| | I have dynamically created a 2d bool array and was wondering if i could create a pointer that points to the second column of the array.  |
| | I have three files that I need to link using a makefile but I continuously get undefined function errors and I cannot figure out why Makefile[CODE]# sectool.make CC = g++ CFLAGS = -c all: sectool sectool: Transposition.o Substitution.o System.o ${CC} -o sectool Transposition.o Substitution.o System.o System.o: System.cpp Transposition.cpp Substitution.cpp Substitution.h …  |
| | Hello everybody ! I'm a novice , and already started learn C++ . I try sorting string alphabetically from a text file . This is my code [CODE]#include <iostream> #include <fstream> using namespace std; // Quick Sort function void quickSort(char A[][15], int lower, int upper){ if (lower>=upper) return ; // … |
| | Hello. I am in a beginning C++ programming course in which we have just finished loops. I have been asked to plan, code, and execute a program to do the following things: Ask the user for the file name, then calculate an average of the numbers and display two lists … |
| | Hi, I am trying to create a service for my windows application. The service would just call an application if it detects a USB device inserted on the computer. I want to register for device change notification to receive all the usb device event messages. In order to register for … |
| | Create a scholarship program that will choose a recipient based on the highest GPA using the following features. Create a class of type student . - Members will include: name, GPA, Rank (year) - Make sure all data is private and a ll functions are public. - Write member functions … |
| | Hey guys. So i've created a static library project and written the code ( one header file and one cpp file ). I have built it and it resulted in (.a) file. I told the compiler where to look for the header file and the library file but my example … |
| | In my program, I have to input a word and then a character. The program will tell me how many times does the character appear in the word...my problem is that I have to find this character with the find(str,ind)...I know the ind is the index and can be manipulated … |
| | Every time i compile this code i come up with a additional set of numbers, but i don't know why. [CODE] #include <iostream> #include <stdlib.h> #include <iomanip> #include <string> #include <fstream> using namespace std; void calculateAverage(double quiz1, double quiz2, double quiz3, double test4, double& SAverage); int calculateGrade(double grade); int main() … |
| | Hi! I have a windows mobile 5 device, and I would like to make some programs for it. I need a free development environment (compiler and librarys) that runs on winxp. It would be a very big help if I could use my NetBeans which I have experience with. It … |
 | [CODE] void open_key(HKEY* Key , HKEY key , LPCTSTR subkey) { cout << Key[1] << endl; RegOpenKeyEx(Key[1] , subkey , 0 , KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE , &key); } int main() { HKEY keys[] = {HKEY_CLASSES_ROOT , HKEY_CURRENT_USER , HKEY_LOCAL_MACHINE , HKEY_USERS , HKEY_CURRENT_CONFIG}; open_key(&keys[1] , hkey , "Software"); } [/CODE] … |
| | If there is a pointer member in a class. Eg.: [CODE]Class XYZ { Int *x; Char *c; }[/CODE] Then in such a case what all precautations do we need to take while handling such a member and the class? |
| | Okay just so you all are aware before reading this, yes this is a homework assignment. No I have no code for it yet and no I don't want you all to solve it for me. Now the reason I'm asking for this kind of help is because I'm in … |
| | Hi all - hope you can help me with this. I'm trying to search through a vector of struct's; I'm able to loop through the vector using a simple for() loop, but i'm unable to use the generic find(). Secondly i want to delete a element if there's a match. … |
| | I wonder how it is possible to retreive a string from a function that is generating this string. How is it possible to get the string "SendThis" when presssing the button1 in this case and declare it to getgenerateString ? [code] private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) { String^ getgenerateString … |
| | Hi buddy,, can u jst refer me some links or share sum of ur own experiences about creating a text editor.....dat wut exactly the text editor is all about. I dont bother bout the inferface of it......i jst need how the core looks like....i.e. data structure implementation and all that....hope …  |
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| | i need help starting this program..........Write a program that finds and outputs the minimum element in an array int A[10] |
| | Hey everyone. I want to call dateConversion and send along the date string which I do with this "dateConversion(dateString);" I want that to print the month day and year. I will have to do it at this line "cout << "on " << date << endl << endl;". When I …  |
| | hello everybody! i have a question that i want to reverse the queue in BigO(1) time and space without effecting its enqueue, dequeue ,print and other function. thnx in advance 4 answering  |
| | Okay, so I am EXTREMELY new to programming and my teacher is not exactly a great one, sadly. I am attempting to sort a string alphabetically. For example: Prompt to enter name: Alex Joe John Bill Cait Then sort and print: Alex Bill Cait Joe John Here's what I have …  |
| | hello guys, i want to programming a simple game. please see these picures first picture: [URL="http://img519.imageshack.us/img519/6323/boardf.jpg"]http://img519.imageshack.us/img519/6323/boardf.jpg[/URL] second picture: [URL="http://img151.imageshack.us/img151/9964/18245360.jpg"]http://img151.imageshack.us/img151/9964/18245360.jpg[/URL] last picture: [URL="http://img25.imageshack.us/img25/3871/21456530.jpg"]http://img25.imageshack.us/img25/3871/21456530.jpg[/URL] "Jump over a token and capture the token. Every move must be a jump! Only horizontal and vertical moves are allowed, no diagonal movement in the game. The … |
| | I m designing scientific calculator in vc++ technology I used an edit box for the text to appear and some buttons for the operators and numbers I enter 1st operand by clicking the button and then the operator.Now I want to clear the edit box to enter the second operand … |
| | Write a class datetype it can perform the following operations on a date , in addition to the operation already defined : 1-set the month 2-set the day 3-set the year 4-return the month 5-return the day 6-return the year 7-test the year is a leap year 8-return the number … |
| | I have a little spoky problem here. I really cant understand what it is. I am reading a file that is completely empty. But still the second MessageBox is showing this string: "22" I cant wrap my head around why if( line != "" ) is executing and no character … |
| | Hello, I have a problem, I needed a change from C++ to C#. help anyone? I made it from this: ( This is script in C++ [CODE]using namespace System; using namespace System::Text; using namespace System::Net; using namespace System::Net::Sockets; String^ chr(String^ str) { Char^ c = Convert::ToChar(Convert::ToInt32(str)); return Convert::ToString(c); } Int64^ … |
| | hello guys, i have a simple question which is how can i declare a variable to accept character and number at one time for example, i ask the user to input 'a1' to do something waiting for you |
| | Hi guys,I was interesting,how to write a function,to determine the nearest square number that is equal or greater to the length of the string( for example 16 is the next square number after 13) I don't even know what is the mechanism of this function:-/  |
| | Hi everybody. How can I write a program with C++ that finds pattern. For example if we give the program 3 pairs like (2,5),(5,11),(1,3) and then enter 6 the program returns 13. note:the pattern was 2x +1. Thank you. |
| | Hi. I'm new to C++, and I'm having problems understanding a certain type of function argument. I wrote this code to try and understand it, and it didn't help much. :) [code=cpp] #include <iostream> using namespace std; class TestClass { public: int a ( TestClass arg ); int b ( … |
| | Hi Guys, Im having issue with the following code. I am getting the following error? could someone please assist? [code]#include <iostream> #include <iomanip> #include <string> #include <vector> #include <fstream> #include <stdlib.h> using namespace std; class employee { /* Employee class to contain employee data */ private: string surname; double hourlyRate; … |
| | Hi, I have to create an RSS feed reader in C++. I have worked with Expat Xml parser but only for parsing purposes. Can I use the same to read feeds from websites ? If not, please recommend what C++ libraries can be used to achieve the same. Thanks, Vani |
| | Hi all, i,m trying to use A* algorithm to do my task; this is the code [code] //////////////////////////////////////////////////////////////////////////////////////////////////////////////// // STL A* Search implementation // (C)2001 Justin Heyes-Jones // // Finding a path on a simple grid maze // This shows how to do shortest path finding using A* //////////////////////////////////////////////////////////////////////////////////////////////////////////////// #include … |
| | In linux Qt use “ksystemtray.h” for developing program. Anyone know which header file equal to “ksystemtray.h” use in Windows (mingW). Thanks Advance:) |
| | How integrate .dll files in Qt4 c++. Any sample codes ?? Thanks Advance. |
| | Hi, I'm doing a program to capture from USB camera. And to do the program, I need directshow which can be found in directX sdk. I read that the new versions of directx are not compatable with VC++ 6.0. Does anybody know where I can get an old version which … |
 | Is there a data structure that lets me push and pop things onto/off of a queue, but also doesn't allow duplicates? E.g. I want [code] queue a; a.push(1); a.push(2); a.push(2); a.push(3); [/code] to only have 3 elements, because 2 was added twice so the second time it is just ignored. … |
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