19,876 Topics
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 | Here is a simple implementation of implementing a simple Left trim (ltrim) and Right trim(rtim) of unwanted characters from a C style string. (null terminated strings). Doesn't suffer the overheads of the memmove implementation in which the worst case scenario (a string containing all junk characters) is approx. N^2 / …  |
| | Can any one tell me how to check if the elements of two arrays are same? in c |
| | I have my codes working where I got separate date and time columns. I would like to add one more column which have both date and time in. For the existing codes this how I did sprintf(all,'%02d:%02d:%02d.%06u%03u',CURDATE(),s / 3600, (s % 3600) / 60, s % 60, usec, nsec) I … |
| | Hi everyone I had a few more quick questions...I'm trying to right the function that puts the correct letters in the right positons being reported from my previous compareletter function for my game of hang man and its not updating the word in progress array. Here's my function: //updates the … |
| | case 3: Complement(a,m); that is the function call in main function void Complement(int a[10],int m) { int i,k; int c[20]={0,1,2,3,4,5,6,7,8,9}; for(i=0;i<=m;i++) { if(!a[] == c[]) { printf("\n%d",c[20]); } } } |
| | I could like to take help from any of you to write a c code for finding complement of a set. i am a begginer so i need your help. thanks  |
 | I'm having trouble with this bit of code that I'm working on. I get an error code in my `parseit()`method that says, "not all code paths return a value". Ideally I'm trying to call my method and parse my variables from my textbox to return true when they're valid, then … |
| | how to write a recursive function to read and print all the data from a file  |
| | Hello everyone, I'm trying to do a game of hang man by comparing whats in one char array with another with a for loop with the compareword function. I tested it out with the wrong letters and had it return -1 so that parts working. What isn't fully working is … |
| | Hi everyone. Well, I'm overwhelmed with the amount of C++ books out there and own a few now. I'm specifically looking for a C++ Reference book which lists C++ STL libraries and functions like the orielly C++ pocket references on C++ or STL. Orielly's C++ in a Nutlshell looks pretty …  |
| | Hello guys! I have some trouble with that "Do you want to continue" thing in C. I am begginer. Well my problem is to fix this one: ..... int sum_count_arithmeticaverage() { int n = 0; char answer; int array[1024]; int sum = 0, count = 0, arithmeticaverage; int i = … |
| | The game is to play hangman, if guessed right or wrong it will ask the user if they want to play another game (w/ a different word). My code repeats the game with the user enters anything (even q) but doesnt quit when 'q' is entered. I've been trying to … |
 | class Base{ Base(); ~Base(); void doSomrthing(); } Class MyCLass : public Base{ std::string name; MyCLass(); ~MyCLass(); void init(); } MyCLass::MyCLass() { init(); //runtime error occurs with this line } void MyCLass::init() { name = "MyClass"; doSomrthing(); } I am having a trouble on calling child class' contructor. What is wrong … |
| | I was trying to write a code for union and intersection of two sets but i got an error which states clrscr and exit are not declared in scope. I have included the header files but still i get this error. Can some one help me out in this? |
| | Hi, i'm trying to make 3 different input scenarios using argv. In the code below where there is just one input so when it is argv[0] the calendar for this month comes up, when it is argv[1] so when there are two inputs, it will printout the calendar for the … |
| | The following is a function I wrote to go along with a minesweeper program. For some crazy reason, the inner loop gets skipped after i begins to increment. For example, after i and j have been reduced by one: n = 3, k =3 i = 0 j = 0, … |
 | C++ program to find sum of marks entered by 30 students using for loop or while loop/  |
| | Does anybody know how to make a program that calculates your work hours? I tried this code, but it's going all wrong. #include<stdio.h> #include<stdlib.h> #include<conio.h> #include<ctype.h> #include<string.h> #include<time.h> char* timein[5], timeout[5], p; int totaltime, ticktock, hour, minute, rate; FILE* f; int main(){ clrscr(); CreateTimeFile(); GetTimes(); DisplayFinalInfo(); getch(); } CreateTimeFile(){ f …  |
| | I'm doing a C program where the user is asked to enter an employee number. I know how to make the program ask again if the number doesn't exist. However, I don't know how to have the program check it from a *.txt file like this. EMP10-1234,smith_john,2 EMP08-0321,kent_brenda,1 EMP10-0501,delcambre_kory,3 EMP11-0112,pregeant_mark,3 … |
 | I want to use Stop-Process command (of PowerShell) in c#. I know how to use "Get-Process" command, But in the case of stop-process we have to give arguments(process name). In my case I am taking arguments from user in textbox. private void button2_Click(object sender, EventArgs e) { PowerShell ps = … |
| | Here is my code.... #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> struct data{ int CustomerID; char Forename[15]; char Surname[20]; }; void CreateID (); //int checksize(); //void check number(); void CreateFirst (); int checklen(); int checknum(); void CreateLast(); int checklength(); //int checknumber(); void ViewRecord(); int main() { struct data records[2000]; … |
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| | Hi eVeryone, Please help me on below code. I don't know what's the erorr mean. Error Message *test.c: In function ‘main’: test.c:12:2: warning: passing argument 2 of ‘tokenise’ from incompatible pointer type [enabled by default] test.c:5:6: note: expected ‘char **’ but argument is of type ‘char * (*)[100]’ test.c: In … |
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| | #include <stdio.h> #include <stdlib.h> double average(int arrx[6], int *ptr); int main(void){ int arry[6]= {2,5,4,5,6,7}; int count=0; double avg; avg=average(arry,&count); printf("The average is %.2f\n",avg); printf("Number bigger than average is %i", count); return 0; } double average(int arrx[6], int *ptr){ int c=0; int sum=0; double a=0; for(c=0;c<6;c++){ sum=(double)sum+arrx[c]; } a=sum/6; for(c=0;c<6;c++){ if(arrx[c]>a){ … |
 | Would anyone know of a C++ library which can enable me to encode and decode Ascii base 85 encoding? I'm having trouble finding one on the web. Thanks |
| | I'm getting an error X#=0D,CS=0A97 IP=000001D1.The NTVDM CPU has encountered an unhandled exception . I wrote exactly the same program, but still i'm getting an error! Can you please tell me where the error has occured? Because i'm not able to find out! I'm Using Windows 7. http://www.4shared.com/file/xvAIAHNz/TELEPHON.html http://www.4shared.com/file/2SOg9Kqs/TELEPHON.html This …  |
| | I hava a look at many header files they have codes like #ifndef and #endif what does they explain,please.  |
 | template <typename a, typename ... b> class events { public: typedef std::function<void( a arg, b ... argx)> OnSomethingHandler; events(OnSomethingHandler Handler) { handlers_.push_back(Handler); } void operator ()() { for(auto i = handlers_.begin(); i != handlers_.end(); ++i) (*i)(); } private: std::vector<OnSomethingHandler> handlers_; void AddHandler(OnSomethingHandler Handler) { handlers_.push_back(Handler); } void TriggerEvents() { for(auto … |
| | I have the function with following signature: void svdcmp(double **a, int m, int n, double w[ ], double **v) and variable "b" of the type double b[2][2]; When i am calling the above sub-function with command svdcmp(b, 2, 2, NULL, NULL); Dev C gives me the following warning: [warning] passing … |
| | i have assigned a value directly to a pointer like *ptr=12; and i have used it,no error came.if we assign like this where the pointer points to?explain me? |
| | This is just a function in my program. I am getting error in this function. I know it is something to do with the structs. The error points to 'struct BOOK book;' I am trying to print all books for user to see. Library_Management.c: In function ‘viewbooks’: Library_Management.c:217:14: error: storage … |
| | I have created lot of c files and i executed them,but i can run the executed files only in terminal.... can we have a direct c code,on clicking the exicuted file it should open its new window and work.... How should i create it,please help me.. |
 | Hi guys, 1st year cllege student here. New on C Programming. My program's main unction is that it will display products with fixed cost and a person will just enter numbers and will be multiplied to the fixed cost. The product of those should be displayed correctly but in my … |
| | Hi everyone, I need some help, I don't know where and how to begin and I'm seeking for some advice. Problem: I need to design a custom C# library to better manage a client list for internal projects. The library must be capable of importing data in a textfile(clients.txt) into … |
| | I need help reading a bool function from my HW assignment, I am not asking you to do complete my assignment for me. All I need help with is reading my bool function in main. Thank you for looking #include<iostream> #include<fstream> #include<string> using namespace std; struct StudentType {string studentName; int … |
 | The Question: Write a function main that prompts a user to enter the number of different items that he intends to purchase from a showroom.Your program should read for each item the quantity to purchase and the unit price then finally display total amount to be paid anyone help me …  |
 | I have some c# code using the tweetsharp library and when I run it with mono it gives this error: Missing method .ctor in assembly /home/freddy/rubystack-1.9.3-16/apache2/htdocs/yrs/c_backend/TweetSharp.dll, type System.Runtime.CompilerServices.ExtensionAttribute Can't find custom attr constructor image: /home/freddy/rubystack-1.9.3-16/apache2/htdocs/yrs/c_backend/TweetSharp.dll mtoken: 0x0a000019 Missing method ToList in assembly /home/freddy/rubystack-1.9.3-16/apache2/htdocs/yrs/c_backend/ConsoleApplication1.exe, type System.Linq.Enumerable Unhandled Exception: System.IO.FileNotFoundException: Could not … |
| | I'm just curious why my application actually crashes after it compute the area of a cross. I output is correct but it crashes after it calculation is done. cross.cpp void Cross::setCrossCord() { for (int i=0; i<=12; i++) { cout << "Please enter x-ordinate of pt " << i+1 << ": …  |
| | I am using the 3 files of code from the C++ book Chapter 11 and 11.8 Case Study:A Date Class with both cpp files and header file my questoion is how do i (add overloaded operator for "--" (pre and post), "-=", and ">>". For ">>", user expected to type … |
| | Hi i'm trying to study for c programming course midterm and there are few questions i have no idea why the answer is. could anyone describe why the answer comes out like these? #include <stdio.h> int main(){ int i = 3; if (((i+=3)&&(i++>6))||((++i>8)&&(i+=3))) printf("Yes. i is %d",i); else printf("No. i … |
| | I keep getting the error , "control may reach end of non-void function" What am I doing wrong here? I just dont get it right now! I know its something simple and small but I have been here back and forth for about 2 hours wondering what the hell is … |
 | I want to add numbers to an array using scanf What did i do wrong? it says expected an expression on the first { in front of i inside the scanf... void addScores(int a[],int *counter){ int i=0; printf("please enter your score.."); scanf_s("%i", a[*c] = {i}); }//end add scores |
 | The thing that i don t understand here is how can you put a FUNCTION that hasn t yet evaluated into a integer(will evaluate later but at the moment of the recursion it hasn t) into a int variable? Once n equals 0 the int smallResult will get populated but …  |
 | Hello guys, how can I solve the following problem: I made a pointer that receives the position found by the function srtstr char * pon; pon = strstr (string1, string2); The problem is now, I need to know the position where the string 2 in string1 within the whole. anyone … |
 | This simulator works for: 1. First Come First Serve (FCFS) 2. Round Robin (RROB) 3. Priority (PRIO) 4. Longest Job First (LJF) 5. Shortest Job First (SJF) algorithms. The program is written for gcc linux compiler. In input file a sequence of processes coming to the systems included, where also … |
 | hey,today someone asked me one question in my class that what is the fastest way to multiply a number by 7 ? I said yes you can use bit-wise operators. the code which i gave him is : int n=10; // for example n = (n<<3)-n; then he aksed me … |
| | Dear All, I want to ask it is possible to do that in c# winform? I got two table which to joint together than display it into one datagridview ? My program is once i key in tag no in the textbox it will display out the result into datagridview … |
| | Reversal of words in a string. i.e., "Jack is a good boy" into "boy good a is Jack" |
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