19,876 Topics
 | |
| | |
| | Guys, I’m trying to integrate libssh2 libraries(windows version libssh2-1.2.5) with Dev-C++( v4.9.9.2). The OS is Windows XP SP3. I’m facing the following error when I compile the test file ssh2_exec.c (built in example) file. Compiler Output: --------------------- [Linker error] undefined reference to `libssh2_session_block_directions' [Linker error] undefined reference to `select@20' [Linker …  |
| | what is the difference between malloc , calloc and realloc? what r their uses?  |
| | I'm a newbie in C.For a month or so i have started learning and a friend is giving me tips and homework.My newest homework is something like this: I have a garaje with 3 floors,each with 10 parking spaces.Each hour cost 5$.Only the cars who have left pay. The problem … |
| | Write a program that helps the user to consider a range of interest rates for a mortgage over 20, 25, and 30 years. Prompt the user to enter the amount of the loan and a minimum and maximum interest rate (in whole percentages). Then write a text file containing a … |
| | I have a program assignment in my C and Unix class that allows the user to enter two numbers in binary seperated by (*,+,-,or /). It then has to produce an answer and loop back to the beginning. It also has to have an option to exit. Can anyone help?  |
| | im making a C++ web browser, i have the basic design all i want now is it to be an anonymous browser, similar to a proxy site. is there a code you can give my to do this. im doing this for a friend who likes to play games in …  |
| | Hello. I'm using ncurses with a side project I'm working on, and I'm using colored characters. To use colors, you have to wrap each mvprintw() function with some code to set the color. I thought I'd write a function that wraps mvprintw() so I could just specify the color whenever … |
| | hello Everyone! I want to implement fast transpose of a sparse matrix. It's really hard for me to understand the algorithm explained in book. Can anyone please explain in simple manner? Thank you ! :) |
| | Hello Hi when I deploy my project using set up wizard the error show and my deployment set up stopped,Please Help for this Immediately. The Error Is [COLOR="Red"]The following files may have dependencies that cannot be determined automatically, Please confirm that all dependencies have been added to the project C:\windows\system32\wmp.dll …  |
| | Here I am searching a string in text file and replacing it with new string. In this code it finds but the new word wrights at the end of the text file and not replacing. Plz. can anybody help me..... [CODE]#include<stdio.h> #include<conio.h> #include<string.h> void main() { FILE *fp; int f=0,l,n=0; …  |
| | Hi, I am just starting to code in C. While using the [code=c]#define sec 3600[/code] the compiler returned an error - expected identifier or ‘(’ before numeric constant. [code=c]#define sec 3600 #include<stdio.h> #include <stdlib.h> int main(){ /*Rest of the code*/[/code] If I change sec to seconds, the compiler does not … |
| | I just started learning C and trying to run the following code (given in the book I am using) in Code::Blocks 10.05 compiler for windows. "error: too many arguments to function add_two_numbers ()" [CODE]#include <stdio.h> int main() { int var1, var2; int add_two_numbers (); var1 = 1; var2 = 53; … |
| | I have to write an application which uses the Vigenere cipher with the Italian alphabet (only 21 characters, excluded J,K,W,X,Y). After a day of trying this is the code that I wrote [CODE] #include "vigenere.h" #include <string> using namespace std; Vigenere::Vigenere(string str){ key = str; key = StringToUpper(key); for(int cnt … |
| | This program should extract the first line. Somehow I'm getting the last line instead of the first... This is the textfile: [ICODE]N100 G96 S200 N115 G0 X600 Z-1004.95 T11 D2 M3 M7 H10 N125 G0 X500 N130 G1 X419 F0.5 N135 G1 Z-1004 N140 G0 X500 N145 G0 Z-419.7 N150 … |
| | Is the only point of string encryption is to hide a hardcoded string from being scanned and found in memory/binaryfile? I dont see how string encryption works 100% of the time though...it seems if any string that needs to be used will be stored in memory. For example, i can … |
| | Hi, I am writing a file by using fopen("xxxx.csv","a"). However, at a point when i open the same file it gives debug assertion error. The code is the following; I checked if anything, like "helloworld",can be written, but no. The "ENTER??" part is written in the file correctly for 5 … |
| | Obviously, it should be titled: "Steak and Chicken Dinner Problem" A wedding reception will have 200 guests and the dinner budget is $9,000. [CODE]Wedding Catering Prices: =================== Chicken Dinner: $40 Steak Dinner: $50 [/code] What is the highest number of steak dinners you can serve at this reception, and stay … |
 | Here is a part of code I am writing.I am getting a segfault in the CmpFunc function. The segfault occurs when I compare *a and *b i.e in the "if(*a>*b)" line. I am new to function pointers. So, I might be making a mistake somewhere which I don't realize.I would … |
| | [CODE]#include<stdio.h> int main() { int i=2,j=3; j= - - i--; printf("%d%d",i,j); return 0; }[/CODE] [B]Somebody please explain the working of this program[/B] |
| | So I have a class file. Inside the class is a void which is started in the Program.cs. I used 'LavaSurvival.Init("properties/lava.properties")' in the Program.cs. I'm only pretty new to coding, so it's probably something I didn't know XD. The problem is that I continue to get this error: Type: IndexOutOfRangeException …  |
| | what is the problem with this it is printing only the first node data :( .some one pls help me...[CODE]#include<stdio.h> #include<stdlib.h> struct node { struct node *prev,*next; int data; }; void create_list(struct node *list,int n) { struct node *n1,*n2; int i; n1=list; printf("enter the data for the 1 node:"); scanf("%d",&list->data); … |
| | I am trying to implement the algorithm of a CRC check, which basically created a value, based on an input message. So, consider I have a hex message 3F214365876616AB15387D5D59, and I want to obtain the CRC24Q value of the message. The algorithm that I found to do this is the … |
| | Can anyone please explain me, step by step, each line of the following sorting algorithm which sorts the input lines numerically, if -n is given at the command line. (Program taken from the book "The C programming language, by brian kernighan and Dennis Ritchie" - Chapter 5. Section 5.11, page …  |
| | hello all, i got project on online examination i want to fetch data dynamically from database. it must be like that once student loged in. he must gives answer for 1st Q. to go next Q. when they click on any of the buttons. next Q. must be fetch dynamically … |
 | [CODE] int i=5,j=10; printf("%d\n",(i=15)||(j=26)); printf("%d %d\n",i,j); [/CODE] THe output I expected was : 1 15 26 The actual output was: 1 15 10 In (i=15)||(j=26), shouldn't the brackets be done first?Isn't that the precedence order? So,first i must take 15 then j must take 26 then the || must be … |
| | [CODE]#include<>stdio.h main() { int n,s=0,i=1; L1:printf("enter a range of numbers:"); scanf("%d",&n) if(n<1){printf("\wrong input"); goto L1;} while { s+=i; i+=2; } printf("\nthe sum of the series is=%d,s"); getch(); }[/CODE] the above program is meant to find out the sum S=1+3+5+7+....+N can any on explain me,the significance of talking i+=2?? |
| | Hi ! everyone. I can write small [B][I]"C" Language[/I][/B] programs, compile them in an IDE like Turbo C. But how to make a complete [B][I]Working Software Application[/I][/B] . Do i need only one .c file or many others. How to make a complete large piece of software system as opposed … |
| | Hi I am engineering student, currently working in image processing. I have big issue in understanding few basic concepts in programming. To be frank I am beginner, so my question will look silly, so please tolerate with me and if anyone can help me it would be much use full … |
| | i have tried to write a code, but i have a problem with the play() module where the message "one Row Completed" is not being displayed. Please help me with this:icon_confused: [CODE=c++]#include<iostream.h> #include<conio.h> #include<stdlib.h> class bingo { public:int a[5][5]; void input(); void check(); void play(); void comp(); }; void bingo::input()//input … |
| | Following code when executed, prints out a smiling face (ASCII equivalent of integer 2), but when the format specifier in printf is changed from %c to %d, it does not print integer 2. Any reasons why.... [CODE]main() { int i; int *c; char b[10]={1,2,3,4,5,6,7,8,9,0 }; c=&b[1]; printf("\n%c",*c); }[/CODE]  |
| | #include<stdio.h> #include<string.h> main() { int n; char aan = 'y'; while (aan == 'y') { printf("entr ") ; scanf ("%d", &n) ; printf("sq of %d is %d", n, n*n ); scanf ("%c", &aan); printf("\n want aan y/n""\n"); } } I want to make this using while loop. kindly tell me … |
| | some one help me pls.. segmentation fault for merge_sort....:( [CODE]#include<stdlib.h> #include<stdio.h> void merge_sort(int [],int ,int ); void merge(int [],int ,int , int); int main() { int i,n,a[25]; printf("enter the no of elements:"); scanf("%d",&n); for(i=0;i<n;i++) { printf("enter the element:"); scanf("%d",&a[i]); } merge_sort(a,0,n-1); for(i=0;i<n;i++) { printf("%d\n",a[i]); } return 0; } void merge_sort(int … |
| | hi... :).. I have to generate a Timetable project by useing C program. i do't have no idea how to generate the code.. so please send me some codes.. and tell some idea to generate.. with your help, i try and complete my project. Thanking you |
| | I'm doing an exercise about pointers in this C book i'm reading. This code should traverse through a linked list and there's a function that removes an entry from the list. It works, and I don't know why. The function removeEntry is undeclared int the main() function. Here's the code: … |
 | I am trying to create a program for the RSA algorithm. I have managed to get the public keys, but I hit a brick wall trying to figure out how to generate the secret key. I have tried, but the output is either incorrect or doesn't output at all. my … |
| | Hello! any expert can help me. Please. I'm design a form with click Search button to search date and display data in datagridview. but when I set my access database OTDate column as Date, It will cause data mismatch problem. however, set OTDate column as Text is fine. But it … |
| | I have problem in this c program [CODE] #include <stdio.h> int main() { int this_is_a_number; printf( "Please enter a number: " ); scanf( "%d", &this_is_a_number ); printf( "You entered %d", this_is_a_number ); getchar(); return 0; }[/CODE] when i press ctrl+F9 the output screen appears " Please enter a number:" and … |
| | Friends i've a question to solve... it says,i've to display a menu wer i,ve to open a file and enter a news article..the user is asked to enter keywords for that article.. in 2nd option user can search for a file by inputting dose keywords.. [I]my question is how do … |
| | |
| | |
| | hi i got a problem when try to use pointer and struct..somehow ive manage to compile my coding but the main prob is that the output is not what ive keyed in.. [CODE]#include <iostream> #include <conio> #include <string> #include <stdlib> void printtable(); void input(); void calculate (); void scorecard(); void … |
| | [CODE]#include<conio.h> #include<stdio.h> main() { char name[20]; scanf("%s",&char); if(char=="name") { printf("u entered name"); } else { printf("not name"); } }[/CODE] but it is printing not name when im entering name plzz check for the problem |
| | [CODE]#include<stdio.h> int main() { char ch; if(ch = printf("")) printf("It matters\n"); else printf("It doesn't matters\n"); return 0; }[/CODE] Here according to me, the expression inside "if" will be true becoz we have used "=" sign and not "==" sign. but the output is "It doesn't matters".how is it so? |
| | I was installing Turbo C on my PC and it says "Make sure you insert \TC\Bin into your DOS path". Now how is that done. |
| | [CODE] #include<stdio.h> #include<conio.h> #include<string.h> int x; char name[20]; main() { printf("Exercise no. 10 ESN 211-9A MWF 7:30-9;30\n\n"); printf("Enter your age:\n"); scanf("%d",&x); if (x<18) printf("UNDERAGE!\n\n"); else if (x==18) printf("STUDENT LICENSE POSSIBLE\n\n"); else printf("PROFESSIONAL LICENSE AVAILABLE\n\n"); printf("Enter the result of your drug test: \n"); scanf("%s",&name); if ( name == "positive" ) printf("HOLD … |
| | I don't really know where to post this thread but since my code in creating the firmware is in c, I'll try my luck here. I have an application that basically appends all files (u-boot, kernel, rootfs, etc.) into one bin file which forms my firmware file. I'm having a … |
| | Hi, i would like to know if there is a function in c that allows me to search for a specific character in a file, and how to use it. Thanks in advance |
| |  |
| | I'm having trouble with my C++ assignment because when I run the program I can't type more than one word on the "Enter your street name" line or it won't work. My teacher said something about "getline" but he really lost me. Here is what I have. Please help! [code] … |
The End.