19,876 Topics
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| | i m confused about sprint syntax- i need to create dynamic mysql query so i have to use it, when i take char * it shows a error while when i take char arr[100] (like this )it work fine.. i read syntax from sprint from multiple sites, and it make … |
| | Hey guys I am currently writing a code that will take the user input of a number and convert it to its hexadecimal form with the use of Stack ADT. This is what I have so far and would appreciate any help. [CODE]#include <stdio.h> #include <stdlib.h> #include <stdbool.h> #include "stack.h" …  |
| | helo, my file r.csv is as follows 07 02 2011 09 05 2011 .. .. i don't know what is error. but the function is not being called.. [CODE] #include<stdio.h> #include<stdlib.h> #include<math.h> #include<conio.h> int calday(float,float); int main() {// main start FILE *in, *out; char *rdf,*wdf; char day[10],mon[10],year[10]; float Day,Mon,Year; rdf="A:\\r.csv"; … |
| | so this is my final grade calculator that i turned in, and my teacher came back and said my IF/ELSE structure was Malformed, Is there something i did poorly, or wrong, what can i do to make it better. any suggestions will be taken accounted for [CODE]#include <stdio.h> int main() … |
| | Hi... i have A File And I Want to read the file and store all of its data in a single file what should i do... Please help.... A C Code Snippet would be very helpful |
| | My program is just a simple Quiz game (100% running) w/ 50 questions. My question is do i really need to flowchart all 50 Question? All 50 Questions got the same format. Printf, Input Answer, If,else if statement and so on. I hope you can help me and give me … |
| | Ok so now be patient and respectful because this is the first time I've used ncurses. But here's my story. I'm making a application using the ncurses. and I just realized one thing. Whenever I used initscr(). I get approx over 70 000 memory leakage. Any suggestion on what I … |
| | hi there am wondering about the space between the [COLOR="red"]"[/COLOR] and the [COLOR="red"]%[/COLOR] scanf([COLOR="red"]"[/COLOR] [COLOR="red"]%[/COLOR]c",&choice); what's the different if i leave no space?  |
| | So here is my code: The purpose of this code is to take all the plain text in all capital letters in the vitranc.txt file and turn them all in to lowercase characters. Now to my knowledge i can do this with "tolower" function but: when i add tolower in …  |
| | hi i am just wondering how would you send a website through a socket as i am trying to make my own web server. do you just open up the file, read the file and write out to the socket ? [CODE] openfile = open(home/username/www/index.html, "r"); n = read(openfile,buffer,256); n … |
| | Hi there i have wrote a program ,The user can only Choose the letter S for square or R for rectangle.. i have done every thing as you can see ... the only problem that am having is if the user puts 's' small letter also 'r' small letter .. …  |
| | Hi There PLease i Need Help>>>> :) [COLOR="Red"]can any one Write me a program to do the following[/COLOR]..?PLzzz It costs 1.500$ for each 20 minutes traveled by taxi. Enter the rate at which the driver is driving along with the distance that is to be traveled then calculate the amount … |
| | Hi, I am trying to learn winsock programming using online tutorials. This example is from the MSDN library, although modified. I have compiled it and it seems to be working fine for only one request. After handling a single request the server exits. I have read handling multiple request and …  |
| | I created a code in C# but cant see any resource online to convert it to php can you help me? Bitmap printscreen = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height); Graphics graphics = Graphics.FromImage(printscreen as Image); graphics.CopyFromScreen(0, 0, 0, 0, printscreen.Size); printscreen.Save(@"C:\printscreen.jpg", ImageFormat.Jpeg); |
| | Hi guys, I'm looking for AES equivalent inverse cipher...Has any one worked on it.. I need a c code for it ... please it's really very urgent..  |
| | Compiling the following the class in the main program returns error C2784. What could be causing the problem? [CODE]#include <iostream> // Include input/output stream #include <cmath> class threevector { public: double xcoord, ycoord, zcoord; // Default constructor threevector() { xcoord = 0.0; ycoord = 0.0; zcoord = 0.0; } // …  |
| | Here is code for hexagonal and pentagonal numbers. I need type that stores something bigger than 10 billion. Double works fine to about 8.4 billion. Of course I tried using long long and unsigned long long but it's still not working. Please repair this code because it overflows now matter … |
| | [CODE] #include "stdafx.h" #include<iostream> using namespace std; class Base { public: virtual void fun() { cout<<"base"<<endl; } }; class Der:public Base { public: void fun() { cout<<"Der"<<endl; } }; void func(Base b) { b.fun(); } int _tmain(int argc, _TCHAR* argv[]) { Base b; Der d; b.fun(); d.fun(); func(b); func(d); system("pause"); … |
| | I'm not sure what the technical term for this is, so that's why I left the title as general as possible. So, I'm trying to write a program(in C) that will basically allow me to "customize" the size of an already defined array. This would be something done at the … |
| | how can I run an external program like ( word , notepad ,... )In C ? and how can I set a certain size of the window of the external program like ( 300 * 300 ) ? |
| | Heyz all.Im working on a program to add,sort,search etc contact struct (name last name number..).So i add structs and i sort them with qsort (i print the result,they are sorted).I have problem using bsearch(),it keeps returning NULL (so i see printed "not found"). The error must be something with the … |
| | Hi guys im making this homework on a program that the user will input the time in seconds and it will calculate the velocity and acceleration based on these formulas. Ive tried to compile the program but im getting 2 times "an illegal else without matching if" now the error … |
 | Is there a way to store binary code in memory (as a value) then execute it? For instance if I have an array of bytes I have filled with the binary code of say, a .exe, is it possible to execute it? |
| | Here's the deal. I need program to read from text txt file and then write numbers into one file and letters into the other... I figured how to read and write to file (using iterators) but I can't figure out how to make the program sort numbers from letters. #include … |
| | Hello, Is there any tool or anything that can detect errors related to the usage of not allocated memory? For example the code could look like this: [CODE]... char* myptr1; ... char* myptr2=""; ... strcpy(myptr1, "My text"); ... strcpy(myptr2, mystruct.mystring); ... [/CODE] The main problem is that there are lots …  |
 | Write a program for the following problem. An instructor needs a program that accepts a student identification number and three test scores, test1, test2, and final_test as input, and determines and outputs for each student the semester average and the final letter grade according to the following scheme: SEMESTER AVERAGE … |
 | Hi, please help me with error. I want to run simple project below. I have a lot of errors below and don't know how to fix it. I use GCC port (Mingw) [CODE=C++]#include "mysql/my_global.h" #include "mysql/mysql.h" #include <stdio.h> int main(int argc, char **argv) { printf("MySQL client version: %s\n", mysql_get_client_info()); } … |
| | Can anyone tell me what's wrong with my program below? I'm creating a program that writes every character(byte) from a buffer to a FILE until the number of bytes written is equal to the size of the buffer. [CODE] char *next; int character; int byteswritten = 0; next = buf; … |
| | Hey guys, I'm trying to write a gradebook program in C but I can't get to validate the grades... help please! [CODE]float notas[5]; int x=0; char opcion1; for(x=0; x<5;x++){ do { printf("Ingrese nota %d: ", x+1); scanf("%f", ¬as[x]); } while (notas[x]>100 && notas[x]<0);}[/CODE] The user must enter 5 grades. If … |
 | Hi this is an assignment for my computer science lab. It is weird because if I compile and run with my c compiler from ubuntu gcc4.4, it works perfectly. But if I compile with the university's server (I connect with SSH) it messes up The main purpose of the program … |
| | I want to write a simple c++ program that allows me to edit my database tables.Each table stands on its own(no table is related to another).The UI i want is simple.I want my tables to be shown as follows: [LIST=1] [*]Table-One [*]Table-Two [*]Table-Three [*]Table-Four [*]Table-Five [*]Table-Six [*]Table-Seven [*]Table-Eight [*]And-So-Forth [/LIST] … |
| | how can i make table like this : For example: Fadi recommendattion ----- ---------------- 1212 you must at least gain :1kg if fadi>1212 you must at least gain 1 kg how to make a table like that in c++ and i want to put the result of if in recommendation … |
| | I have a big problem. Wheb I try to automate Outlook, I need to make a wrapper...My outlook version is 14. Unfortunatelly I need my proggy to work on all versions of Outlook. how to do that? My code to send email is: [CODE]string allbody; System.Diagnostics.Process.Start("outlook"); Outlook._Application oApp = new … |
| | So, I need to find a way to create a way for the computer to ask for input, for this example lets make it 1 and 2. 1 for yes and 2 for no. [CODE] int yes; int no; cout << Do you like orange chicken?" << endl; cout << … |
| | So yeh, I'm kind of new to c :). So, as far as I know, and array initialized to 0 will stay at 0 unless something is stored by some other function or command. so I have and array here(imgSet) that when I tell my program to print out elements … |
| | Hi, I am trying to draw some rectangles by pressing the mouse button and dragging. Each time a new rectangle is being drawn, the previous one disappears. The question is how can I avoid this? I am programming in C. Thanks!  |
| | Hi all, what is the best way to obtain all the possible 3-items groups out of 8 elements (0-7) with repetitions? This would be D'8,3 = 8^3 = 512 groups. I want to save them in an array, like [CODE]unsigned int array[512][3];[/CODE] What is the best approach? |
| | ERRORS: 8 C:\Documents and Settings\csc182\Desktop\devc++\ellipse.cpp `main' must return `int' C:\Documents and Settings\csc182\Desktop\devc++\Makefile.win [Build Error] [ellipse.o] Error 1 what does this errors mean?? here is the code.. #include<stdlib.h> #include<conio.h> #include<graphics.h> #include<dos.h> void main() { int x,y,i; int g=DETECT,d; initgraph(&g,&d,"\tc\bgi"); cleardevice(); x=getmaxx()/2; y=getmaxy()/2; settextstyle(TRIPLEX_FONT, HORIZ_DIR, 3); setbkcolor(rand()); setcolor(4); outtextxy(30,100,"Press"); outtextxy(30,130,"any"); outtextxy(30,160,"key"); outtextxy(30,190, … |
| | if the answer is 90 through 100 it displays an A if the number is between 80 and 89 it will Display a B, but if its any number less then that it wont work. what am i missing? [CODE]if((int) total >= 90 && total <= 100) { printf("%c \n … |
| | i am making a program that will get the area of a rectangle and tell whether the answer is a prime no. or not. which i failed plz. help me |
| | i have a simple question: I want to define a hex character array in C, but I don't want to have to define the elements one at a time. my programme needs an hexadecimal array as input of 128 bits. for example, [code=c]unsigned char temp2[32]= {0x00 ,0x11 ,0x22 ,0x33 ,0x44 … |
| | i want to write a function to which i need to pass two matrices and get the sum and product of them as output. but how can i return more than one matrix from a function? (i want to pass and return using pointers) |
| | Dear friends, I am trying to compile the linux kernel 2.6.33. I need to incorporate a patch into this. The patch creates a directory and 3 src files as below, [CODE] ~/linux-2.6.33/net/core/[B]netchannel[/B] ~/linux-2.6.33/net/core/[B]netchannel/netchannel.c[/B] ~/linux-2.6.33/net/core/[B]netchannel/storage.c[/B] ~/linux-2.6.33/net/core/[B]netchannel/users.c[/B] [/CODE] Now, among the above users.c file uses a function named 'get_empty_filp()', which is defined … |
| | Hi all, I was making a program as one of our activities. The output should be something like this: [IMG]http://img10.imageshack.us/i/ss1qh.jpg/[/IMG] When I press on Display Output, it should look like this: [IMG]http://img29.imageshack.us/i/ss2pa.jpg/[/IMG] However, when I have to Insert a record, the added record should be added on the record when … |
| | so, im trying to setup a rule that would "update" lower array indexes with higher ones if the array is full and something needs to be stored ex( [ICODE]imgSet[x]=imgSet [ x + 1])[/ICODE]) but I get ''[B] error C2106: '=' : left operand must be l-value[/B]' I try moving items …  |
 | Hi, i want to develop an one final solution to the problem COMPUTER VIRUS. my idea is that to develop an antivirus like software.its not an anti virus but its more better than that. every anti virus softwares like avast,ca, quickhil,kaspersky..... have some drawbacks. to avoid it i want to … |
| | Hi all. I'd like to ask for a way to store a MySQL table content of type VARCHAR to a CHAR variable in C. The MySQL table has three columns: ID (int), Name (varchar(22)), Salary (int). My C program should ask the user to input an ID number, and depending … |
| | So, have a program I'm working on and so far things seem like they are going like they are supposed to except one thing. When I print the menu for the user and they input something, if the input is not the input for exiting the program, it prints the … |
| | 1. any problem if i dynamically allocate memory and use only a small part of it? 2. can i free the dynamic memory after each time the function is executed? |
| | In the following problem I have to find the number > 40755 which is triangular,pentagonal and hexagonal. The formulas for these type of numbers are given below. As I read every hexagonal number is also triangular so we have to compare pentagonal with hexagonal numbers. This algorithm gives 9 digit … |
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