49,765 Topics
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| | I am trying to make an expression calculator and it works ok, but only for single digit numbers. I take in the expression in infix notation and then convert it to postfix notation. I just am not sure how to allow it calculate the correct answer with double digits. I … |
| | [CODE] #include <iostream> #include <string> #include <cctype> #include <iomanip> #define N 36 using namespace std; string EraseWhiteSpaces(string &str_nospaces) { int i; for (int i=0;i<str_nospaces.length();i++) { if (str_nospaces[i]==' '||(str_nospaces[i]=='\t')) { str_nospaces.erase(i,1); i--; } } return str_nospaces; } string ConvertToLowerCase(string &str_lowercase) { int i; for (i=0;i<str_lowercase.length();i++) str_lowercase[i]=tolower(str_lowercase[i]); return str_lowercase; } void SortedFrequences(int … |
| | It is an assignment to create a drink machine simulator. I have a problem with number 3 sprite its not alined with the rest. And i would like to know how to add special characters to add borders around the menu and create a table. [CODE]#include <iostream> #include <string> #include … |
| | // Linked list Hi... Below is the codes that I wrote so far... everything is fine but just abit headache on when trying to read the data from the file...and it give me a weird things... my output suppose is like this [CODE]============================================================== No Name/Site Location Weight 01 ThunderStone Russia … |
| | I’m creating a program that displays random lines from a file. I have 8 lines on my text file and after displaying the last/8th random line… it displays [B][I]Segmentation fault[/I][/B] and then terminates the program. The program should display a message saying that there are no lines left to display. … |
| | I am creating a database search and I am having a bit of issue when I want to return to my main menu. I have attempted to use loops with no success, could anyone suggest how I can do this? [code] #include <iostream> #include <fstream> #include <windows.h> #include <string> using … |
| | Ok I was able to validate user input if the user would enter a larger number or a negative number but how do you validate if the user happens to enter a letter or word, even character i.e % # @, or if the user enters all. How do you …  |
 | Hello, I have chosen a project of developing a 2d action-adventure game with some rpg elements, in-game puzzles. I have considered developing with C++ and OpenGL. I do not have prior knowledge of these language but I had good grasp on C programming language. For C++ and OpenGL, I have … |
| | hi i am making my rook move with the help of validRook() and rookMove() functions.. i have placed validRook inside rookMove so that it is only executed when validRook return s true.. plz see if my validRook algorithm is correct(Note: this is phase 1 of my game and i just …  |
| | Hello everyone, I am currently working on my final year project and i encountered some problems with my software when using TI CCS. Right now, i am trying to print out a value from a variable and display it out into my LCD screen. I am currently using MSP430g2232 and … |
| | I am creating a MAC Database for my home network which shall contain a list of names of those on the network and allow me to quickly search for people when I get a warning about a user. I am using switch statements to go to each main section (sorry, … |
 | I am just starting to use Visual Studio C++. Before I was working with UNIX (years ago). It looks like there are many things that I need to know. I copied a program from CPlusPlus.com and tried to compile it as a CLR console application. This is as far as … |
| | hye..its kinda easy..but i still cant solve it.. [QUOTE]1.Write a program that has an array of at least 10 string objects that hold student’s ids and names, you may make-up your own strings or use the following: “1000614921, Abdulkadir Musa Jibrin” “1000717859, Abdulwahab Ali Esmail Al-Nawah” “1000716597, Ahmed Ebrahim Mohammed … |
 | hello , whet i compile , i get these errors , but i dont know where i mistaked g++ -Wall -o "untitled" "untitled.cpp" (in directory: /home/btwnix/Documents/Projects) untitled.cpp: In function ‘std::string bunnynames(std::string)’: untitled.cpp:14:14: error: no matching function for call to ‘tolower(std::string&)’ untitled.cpp:14:14: note: candidates are: /usr/include/ctype.h:116:12: note: int tolower(int) /usr/include/ctype.h:116:12: note: … |
| | Can anyone tell me about the "pseudo stack" ?? Also tell me some implementation... I have googled but there is nothing.. |
| | I HAD A PROBLEM IN MY PROGRAM. MY PROBLEM IS ON HOW TO COMPUTE THE MONEY BREAKDOWN OF THE WITHDREW MONEY. PLEASE HELP ME..THANKS FOR ALL COMMENTS AND SUGGESTIONS.. #include<iostream.h> int main(){ int bd; char transaction; int withdraw, deposit, money; double balance = 50000; cout<<"What transaction do you want?"<<endl<<endl; cout<<"[1]DEPOSIT"<<endl; …  |
| | So I have an assignment where I have to read in a file that contains 6 blobs of X's, and delete them one blob at a time using a recursion. The blobs of X's don't touch, so once it hits an X, it deletes that blob of X's, adds 1 … |
 | hello all, Im trying to make a command line parser and honestly am having trouble starting it. I need a function called parse which reads one line of user input and creates an array of the strings found in the input. the function should be passed the array and reference …  |
| | [code] <xs:complexType name="common"> <xs:attr name="audio" type="xs:string" use="required" /> <xs:attr name="firmware" type="xs:string" use="optional" /> <xs:attr name="recording" type="xs:unsignedShort" use="required"/> <xs:complexType/> [/code] I want to sort the xml above by attribute "use" and make sure all of the elements with "required" would be on top, something like [code] <xs:complexType name="common"> <xs:attr name="audio" type="xs:string" … |
 | Hi, What's wrong with this code: [CODE] //Comments explain what I check int Array[9]={1,2,3,4,5,6,7,8,9}; int Integer=0; int i=8,n=0; for(int x=0;x<9;x++) cout<<"array="<<Array[x]<<endl; //Are all members ok? for(int exp=0;i>=0;i--){ Integer+=Array[i]*pow(10,exp); cout<<"Integer1="<<Integer<<endl; //Is Integer being summed fine? exp++; } cout<<"Integer="<<Integer<<endl; [/CODE] Program's function is to create an integer from array ( for example: … |
| | I have an assignment that I am almost finished with but I am trying to figure out why my code won't compile. I believe the issue to be minor but I can't seem to figure out the bug. The problem call for me to build an inheritance heirarchy that a … |
| | I have a snippet of code and am trying to make sure I am doing this right. Here is what I have so far and what needs to be done. Any help would be great [CODE]#include <iostream> using namespace std; const int NUM_TEACHERS = 3; class Teacher { public: Teacher(); … |
| | I just had a very general question... I'm learning C++ and am seeing the term/variable RightHandSide used. What is the significance/origin of this and is this generally used with pointers? Is this just a reminder to the programmer? Thanks |
 | RK TEAM YDS YDS/G PASS P YDS/G RUSH R YDS/G PTS PTS/G 1 Philadelphia 4951 412.6 3066 255.5 1885 157.1 271 22.6 2 New Orleans 4946 449.6 3566 324.2 1380 125.5 362 32.9 3 New England 4724 429.5 3510 319.1 1214 110.4 331 30.1 4 Green Bay 4414 401.3 3345 …  |
| | I am doing a project that produces a gradebook for an amount of students and exam scores. the project link is [URL="http://www.ecst.csuchico.edu/~chmorris/csci111/projects/06/"]http://www.ecst.csuchico.edu/~chmorris/csci111/projects/06/[/URL] There are some additional things I need to produce besides being able to print the array chart, but I am stuck and have been trying to solve this …  |
| | I have an assignment that calls for me to make a class called RationalNumber with the following capabilities: a)Create a constructor that prevents a 0 denominator in a fraction, reduces or simplifies fractions that are not in reduced form and avoids negative denominators. b)Overload the addition,subtraction,multiplication and division operators for … |
| | I have tried everything with this problem and I cannot get it to work. My program complies and I get no errors but it is not catching my exceptions. The exception is that no grade should be less than zero or more than 100. I can find the average and … |
 | Hello all, In a desktop database application i encountered a really interesting situation. I write a double value into a textbox as usual. Then i convert the value into double to use in a calculation but the original value is lost ! double doubleVal = 0.0 ; doubleVal = Convert::ToDouble(textBox3->Text) … |
| | I'm trying to create a filled and unfilled rectangle class. I can easily create the filled, but the unfilled one is giving me a little difficulty. Whats going on? [CODE] void Rectangle::drawrec() { if (filled == true) { for (int row = 0; row < height; row++) { for (int … |
| | I'm working in the confines of a binary search tree and an AVL tree, doing some operations to find different statistics for these trees when given large random values. For instance some of my functions include finding the average leaf node depth, find the shallowest leaf node, etc. My question … |
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