Software Development Forum

So I have writing to a file and reading from a file. Now I need to be able to find specific data that was previously entered and saved to that certain file. Here is the code I have so far. [CODE] { ofstream myFile ("words.txt"); if (myFile.is_open()) { myFile << …

I need to sort a list with a bunch of numbers in separate columns. How would you sort a linked list with a bunch of numbers in separate columns. Anyone have any good examples to share or point me in the right direction. Please help - SEOT

I've been playing (more like struggling) with a few ways to illustrate an explosion for a Fireworks display in an application. One of my reference books dealing with Game Programming had a very nice solution, where the "explosion" is a progression of images. One problem: it relies or depends on …

I´m a begginer in java and i would like to know how can i create graphs like: y=ax+b for example thanks

I have a program that consists of 2 Forms in C++.NET. When I open Form1 that is my "StartForm", this Form comes up in the TaskBar as all applications and Folders etc on the computer. So when I open Form2 from Form1. Both these Forms will appear in the TaskBar. …

Following along a tutorial I entered code for a person to enter the age of five students. Then, the program is supposed to divide the five ages and display the result. It allows me to enter the ages, but as soon as I hit enter after inputting the fifth age, …

Hello python world, this is my first post I type print "hello world" into IDLE, hit return but it returns nothing also the pull down menus were HUGE. After reading and attempting to fix them they are nothing but --- now. actually not even as clear as --- 1 more …

I have a .txt file that contains a lot of text. I will read the whole text file and output a new textfile with one change that is this: The txt file that I will read could for example look like this: [I]Value1 Value2 Value3[] Value4 Value5[][/I] What I am …

I've an old C function that calls a function pointed by a global function pointer. How do I get it to call a member function of a class object determined at run-time. It'll be complied in a C++ project of course. My main motive is reusability here. So I don't …

hi every1, another prob cnt solve even after googling how can i load a notepad file or txt file on VB, what i mean is loading the notepad.exe with the file inside example i click the cmdLoad then it will open the file (on notepad) the file i want to …

[CODE] [LIST=1] [*]void selectionsort(int numbers[],int arraysize) [*]{ int i,indes,large,j; [*] for(i=arraysize-1;i>0;i--) [*] { large=numbers[0]; [*] index=0; [*] for(j=1;j<=1;j++) [*] { if(numbers[j]>large) [*] { large=numbers[j]; [*] index=j; [*] } [*] } [*] numbers[index]=numbers[i]; [*] numbers[i]=large; [*] } [*]} [/LIST] [/CODE] i have been able to understand upto 7 line. can someone …

If I have a file like this and I want to copy this "File1" to "File2", how is this possible to do. So I will copy File1 so the new file with have the name "File2.txt". I know that: std::copy member exists but are not really sure how to use …

class matrix { int **p; int d1,d2; public: matrix(int x,int y); //constructor allocates block of specified size /*I am not specifying contructor code*/ void get_element(int i,int j,int value) { p[i][j]=value; } int put_element(int i,int j) { return p[i][j]; } // [U][B]return statement encountering access violation during runtime , Help!!![/B][/U] };

I am a beginner and want to learn the method to run python script in linux system so that an application can automatically execute a job. For example, I want my ubuntu to do the cron job with a script to play a mp3 file by vlc player at 9pm …

My online class just started into arrays, and I am getting this nasty error "passing arg 1 of `show_costs' makes pointer with integer without cast". I have no idea what the problem is. If anyone would be so kinda, please help. BTW: sorry, I have a habit of naming my …

Where length is declared in java and how it works?

I have been given a problem in which i have to write a program to find the letter frequency and the average word length of a piece of text. i've written the code to promt for and read in the text file. i'm finding it difficult however to make the …

I'm working on a matrix addition/multiplication/transpose/inverse program and after entering the values of matrix A, I don't know how to call these values. [CODE] int setMatrixA(int r1, int c1, int i, int j){ printf(" Enter the number of rows:\n"); scanf("%d", &r1); printf(" Enter the number of columns:\n"); scanf("%d", &c1); for(i=0; …

hi, i would like to code a toypiano using SDL and c++.--a simple program which will emit a note when a graphical representation of a piano key is clicked. how do i call a particular midi note(corresponding to piano note)using SDL.(i am beginner with SDL and midi stuff,with adequate knowledge …

i have to create a calculator which i have but i cant get it to run yet. i keep getting "12: error: subscripted value is neither array nor pointer" i'll highlight it for you. if anyone can fix it please do thank you. [CODE=c] #include<math.h> #include<stdio.h> int main() { float …

I'm so new to arrays, I've read, I've made boxes...and yet I'm still clueless. So my task is to make a bingo card, so far I've made one column of numbers that don't repeat...something I'm very proud of, but to do that same thing with different ranges for 4 more …

Actually i am doing a ssc project. The student will enter his roll no in a web page which is designed by html. HIs marks subject wise have to be displayed wth the total marks . this will be done by using servlets and my html code is [code] 1, …

I have a Calculator program below that I wrote. I need it to write an exception handler that deals with non-numeric operands. I know the exception error i need is Number Format Exception but I am having a hard time with my try and catch block so I took it …

Hey there everyone.. I'm pretty new in this forum and also with Assembly, to be honest I haven't programmed anything in Assembly. I'm a VB Programmer and I work with some C/C++ But well that's not the reason I'm here hehe. On the forum I work at one of our …

If i were tto implement somthing like this :idea: cmd \k shutdown.exe -r on a button click would that saftley restart y comp. from that app. if not how would i do this :?:

Hi there! I'd like to check if a string is preceeded by another one. More precisely in this example i would like to check if there is "lion" right before "sleeps". Im using rfind() to search backwards but for some reason it starts the search from the beginning of the …

i have two forms and on each form one text box having access database behind and is connected to forms by using data bound controls. My problm is that what ever value i enter form1.text1 , it should come in form2.text1. iam using code like this in form1 lost focus …

I have this C program which produces a .csv [comma separated variable] file, from an uploaded .txt file. The uploading part and writing the .csv file went fine, however, my problem is that the file can't be downloaded by the user. Can you tell me what's wrong missing with my …

I'm working on writing a small program that jumbles up a word an allows the user to move letters around in a string until the word us un-jumbled. For Example: If the given word is "movie" The program might jumble it to say "vmioe" In which case "v" would be …

I'm working on a project that is supposed to parse through a text file (about the length of a book or small dictionary) and print out the index. The program does not need to keep track of the frequency of the word. The data structure I'm using is a binary …

Hey I know i am over looking somthing small but can i get some help on line 23 [code](strcmp(chartryname, charname)==0 && (chartrypassword, charpassword) ==0){ [/code] I know this will not work its just to show what i am trying to do. I need to check two pairs of strings how …

[code=cplusplus] /////////interface //appication.h #ifndef APPLICATION_MAIN_H #define APPLICATION_MAIN_H #include<string> using std::string; class appliance { protected: string Manufacturer; string Type; public: appliance(string a,string b); ~appliance(); void setManufacturer(string a); string getManufacturer(); void setType(string b); string getType(); void showDetails(); }; #endif [/code] [code=cplusplus] ///////implementation//////////////////// //appication.cpp #include<iostream> using std::cout; using std::cin; using std::endl; #include<string> using …

I'm having problem w/ this codes in bright red, when i'm trying to enter a name the first two letters are always not shown or when inside the inner looping, it don't show what the inner looping is containing. [code] #include <iostream> #include <iomanip> [COLOR="red"]#include <cstdio> // used for reading …

I have an assignment to do and i have a good portion of it already complete...The only thing i need is to validate that the number can only have one decimal point and the output of the number that has been validated is multiplied by two.....See the assignment question i …

Hi, after searching this forum adequately (I think) I have decided to post this thread asking for an easy to understand resource that describes how to do multithreading on C++ in windows. The current ones I am finding out there on the web either 1. Simply don't work or 2. …

I need help work wil not compile this is what I have to do. Write a program that calculates and prints the monthly paycheck for an employee. The net pay is calculated after taking the following deductions (define these as constant variables): Federal Income Tax: 15% State Tax: 3.5% Social …

Whats am i doing wrong it is not compile Write a C++ program that creates customers’ bills for a carpet company when the following information is given: a.The length and the width of the carpet in feet. b.The carpet price per square foot. c.The percent of discount for each customer. …

What am I doing wrong with this one. I'm a beginner Write a program that takes as input any change expressed in cents. It should then compute the number of half-dollars, quarters, dimes, nickels, and pennies to be returned, returning as many half-dollars as possible, then quarters, dimes, nickels, and …

hey, been working on a program and I had a need for a password line (btw I am using linux w/ gcc compiler). while I was making it I checked the net and found there's no getch() for linux, so I frankensteined one from several sources and got it to …

Hey there folks. I am trying to write a program that will take in a paragraph file, and compare it against a "Dictionary" text file, which is being inserted into a Binary Search Tree. Here's what I've got so far: [code]#include <iostream> #include <string> #include <fstream> #include <iomanip> #include <cctype> …

I'm trying to do something similar to this: [code] int output_type=1 if (output_type==1) char real_out[7]="binary"; else if (output_type==2) char real_out=[6]"octal"; else if (output_type==3) char real_out[8]="decimal"; else { char[20]real_out="This REALLY shouldn't have happened.\n";} } [/code] I know the coding is kinda messy but I basically want the variable "real_out" to contain …

I am trying to write a code for sending a mail in JAVA.. And I am getting the error [code] javax.mail.MessagingException: Could not connect to SMTP host: mail.yahoo.com, port: 25; [/code] What can my mistake possibly be..?? Please help me find my mistake..

hello I'm new to c++ and I'm writing a program for a college project. I'm getting an error I don't understand, if someone can help me with it I'll be thankful Oh, and by the way, the functions names are in French, hope this wont be a problem. Here is …

Hi i'm getting an error CODE : ERROR: E2356 TEXTSORT.C "TYPE MISMATCH IN REDECLARATION OF 'SWAP' and i am exhausted trying to fix it...if you could help me please i would appreciate it. [code=c] void sort(char* string_array[], int length) { int i; int exchange_done; do { exchange_done = 0; for …

Hi I need urgent help doing this program (attached here) I must make it within hours, please help me Thanks

I have been following a C tutorial and using DevC++. When I write this code: [CODE]#include <iostream> using namespace std; int main () { cout << "Hello World!"; return 0; }[/CODE] and try to compile and run, I get this file popping up... [*] cstddef // Copyright (C) 1997, 1998, …

Is there any way to get rid of the "Press any key to continue" in the Dos window.:-/ I am using DevC++ ver. 4.9.8 It gets alittle annoying after awhile. And yes, I am new to programming.

How can i make a configuration in INI and XML so that i won't hardcode the location of my database and other configurations, and i would just change it from a form within my program? Can anyone help me? thanks..

hi..i know this question sounds like stupid, but there is nobody that surrounding me i can ask. i had already found the other people program at [url]http://www.ucancode.net/Visual_C_MFC_Example/Create-2d-bar-line-pie-chart-vc-example.htm[/url] however, there are a few things that i am not sure about it. can someone help me to solve it? what is it …

Hello out there!! I am trying to search a string for the proper format of a date and time...... My date will simply be: ##/##/#### and my time will simply be ##:##A.M. or P.M. I am thinking I can use something like : [CODE=C++] size_type find_first_of(CharType ch, size_type indx = …