19,876 Topics
 | |
| | I'm new to C#. Trying to learn and implement an RFID application. I'm reading a RFID using serial port and the data is available in rtbDisplay. 11 01 B0 00 01 03 01 E0 04 01 00 0C E0 10 88 7B 61 How do I extract certain data (RFID … |
| | Hi all, I need some help. How can i load a bmp file and trasform it into a matrix of floating point elements? I have read about the internal structure of a bmp file: should I create a struct with that specification? And then just using fread and create the …  |
| | I am trying to store data from two variables in a text file .. and then try to get the data back and output it on screen but somehow the following program is not working as supposed to be. I first enter data in the two variables n1 and n2 …  |
| | I need to basically rewrite grep command: method is suppose to take an exact string and an exact filename as the 2 arguments grep<string><filename> then it has to search through the file for the string and print out the "line" and the "line number" the string is in. example #grep …  |
| | [CODE] #include <stdio.h> #include <stdlib.h> int main() { FILE *fp; char ch; fp=fopen("exp.txt","w"); while( (ch=getchar()) !=EOF) { putc(ch,fp); } fclose(fp); return 0; } [/CODE] I am using gcc compiler in linux mint This code is not working only exp.txt is created which is empty. |
| | [code] main() { if() { if() { if() { something () /* something so that the program executes the last line means last printf without using goto ststement */ } } } printf("hello"); } [/code]  |
| | Question:I am not able to start the codes of project in c++. Your clock has gone dead because you forgot to wind it or replace the battery, or you had a power outage. This clock has hands, so you must turn them to adjust the time. Which way, and how … |
| | Hi everyone :) This is one of my first programs using C, so I am facing some issues. our professer asked us to develop a TCP socket (client/server) where the client sends lets say an ID,Name or Major and the server searches into a txt file and returns the line(s) … |
| | I know that there is a sticky thread and i know that maybe i repeating things that already mentioned but i am totally confused. I am interested to study about game programming,i don't study i bought a book and i am near to finish it about c++. i goggled and … |
 | hello,i must solve this problem : "Sum all even digits of a given number. That's what i've got so far. [CODE] #include <iostream> using namespace std; int main() { int sum = 0 , num; cin>>num; while(num > 0) { sum+=num%10; num/=10; } cout<<sum; return 0; } [/CODE] the problem … |
 | So I've programmed using Excel Interop before, but I can't figure out something. I have a spreadsheet with thousands of material properties listed in them. In the excel spreadsheet if I change that enum I can recalculate the sheet retrieving the values I need. I want to form a repository …  |
| | I'm trying to write a function that gets an array, it's size and the number I'm looking for. The function should be recursive. That's what I've written, it doesn't work. I don' understand why. Suggestions are welcome. [code=c] #include <stdio.h> int binary (int *a, int n, int num) { int … |
| | Well , I am trying to create a bees game as part of my assignment .. Now in this simple game I should use a text file .. and the text file is to create different game stats in different lines.. eg.. "10 (number of bees) 0 (number ofinfected bees) … |
| | hi! I'm MCA 1year student. I want tree traversal program for given Alphabets not numbers.. Can anyone response my thread.. Thank U.. |
| | Hi Guys I need some urgent help I have Created a C# windows application to implement a form with • a ListBox, • a TextBox, • an Edit button, • an Insert button, • a Delete button, • a Update button and • an Exit button. [ I have also … |
| | am trying to write an application in c# to lock or freeze all programs until someone enters a value in the app's textbox and clicks 'ok'. The purpose of the app would be to get people to enter their time(by force :) ). As far as I know you can … |
| | Hey guys, I was wondering: suppose I created a standard console application and but I now want to make the program (well the code behind the program) into a dll file or some other reference object that can be added to other projects - how would this be done? I'm … |
| | Hay every one Hay everyone I need help I have project in subject programming languages about make one idea on two languages c and java . I have made it in java and c++ but I couldn't in c This is the code in C++ [CODE]// Link.cpp : Defines the … |
| | I have the following URL which I want use to access the content in a remote Apache Tomcat server from a C-based client: [CODE]char url[] = "POST /myDir HTTP/1.1\x0D\x0AContent-Type: text/xml\x0D\x0AContent-Length:60\x0D\x0A\x0D\x0A<root><mygreeting>Hello, World!</mygreeting></root>\r\n";[/CODE] However, I get the response [B]"HTTP/1.1 505 HTTP Version Not Supported"[/B]. I have googled and found that this may … |
| | Dear All, I can insert data into mysql db already via my C codes. The only problem now I need insert the time in this format "2011-12-11 09:01:02". How can I format this in my C codes? Thank you. |
| | I am writing a spellchecker program and have some issues. First thing is that I need to make better use of the memory. My code iterates through a large dictionary file repeatedly. I know its better to read this into memory first then iterate through the block but I really … |
| | Im trying to to write a program in C# and I'm stuck. The program suppose to create a post on wordpress via xmlrpc. I can create the post successfully but I have problems creating custom fields for the post. So when I open created post, custom fields are never there. … |
| | i want to read parameters from a file. but the program reads all parameters as if they are zero.any help? here is the code [CODE] typedef unsigned long int WORD; unsigned long int parameters[2]; WORD pt1[2]; void readConfig() { char a[3]; FILE *p; p = fopen("config.data", "r"); if (p) //we … |
| | Hay everyone I need help I have project in subject programming languages about make one idea on two languages c and java . I have made it in java but I couldn't in c this is the code in java [CODE] Class Link // Link.java // to run this program: … |
| | I have to write persian (farsi) characters to a text file, but after writin when I open the file ,it's contents are unreadeable in persian and ther is some special characters pleaseeeeeeeeeeeeeeeeeeeeeeee help :-( |
| | Something is not going right in the following code. I am taking an array of strings from user and printing at the same time. Array can have [B]noe[/B] no. of strings, as noe is entered by user. [CODE]#include <stdio.h> int main(){ char **p; int noe=0,i=0,j=0; scanf("%d", &noe); p=malloc( noe * … |
| | Hi all, I have to check and give grades to some projects written in C. Do you know a free program which detects source code plagiarism ? I found CodeSuite but it asks me for key. Thanks in advance  |
| | Can anyone help me with finding this ebook, it's mentioned but not available on google. :-/ Kindly Help. Thanks Book Title: Essentials of .net programming -Theory and application Author: C. Komalavalli Sanjib K Sahu |
| | What is the most efficient way to take input of a character array or string of 25 ASCII characters using scanf? They are not formatted, just a sequence of character. i.e. ABCDEFGHIJKLMNOPQRSTUVWXY One more point is that, after input I have to find a sequence of character within this string, … |
| | Howdy. I'm just starting to learn .NET & C# and picked a simple project to start. I'm using VS 2008, created a Windows Form that opens an XML file, puts the data into a BindingList and shoots that out to a DataGridView. I created an "add data" button that opens … |
| | Hi, i'm really stuck with this linked list and i feel tottaly out of my depth. Hopefully i can get it a bit clearer! what im trying to do is a print simulation with three priorities and im trying to make the linked list to act like the queue so … |
| | Hi, there. I've been trying to get my program to work for several hours now and I just can't fgure out what's wrong with my code. It's about passing a variable between processess using pipes. Each process increments it M times. The program works perfectly when I use shared memory, … |
| | I need a problem, i use PIC simulator to import2 numbers by serial port. First I send byte, 5 for example, then send sent 2 and in the third step I sent char for example *, and the result is 5*2=10. Everything is fine till I send larger number more …  |
| | Hello everyone, Im new in assembly language. I would like to ask your help to teach me how to convert the below C language into tasm language. thank you very much. #include <stdio.h> #include <dos.h> main() { unsigned int year; unsigned char month; unsigned char day; union REGS regin,regout; clrscr(); … |
| | Hi guys, I have a problem with this question, where the amount is constantly $0 and at the end if the user enters Y/N it just closes without saying "Transaction Completed/Cancelled". Any tips on how to fix it? Thanks [CODE]#include<stdio.h> #include <iostream> #include<math.h> int main() { int numofbees; float price … |
| | [CODE]int main(void) { int operations, i, operands; char *string_dig1, *string_dig2; // OPEN THE FILE FILE *ifp; ifp = fopen("bigint.txt", "r"); fscanf (ifp, "%d", &operations); printf("%d\n", operations); // MAKE MEMORY TO READ THE STRING DIGITS INTO THE ARRAY string_dig1 = (char *)malloc(sizeof(char)); string_dig2 = (char *)malloc(sizeof(char)); for(i = 0; i <= … |
| | Hello All, I have been using c++ console applications for a while. I need to develop some graphical user interfaces. Even though there are many ways of developing a gui, I am not sure what is the most easy to learn and use. There is a library called Q4 library, … |
 | Hello, I've been having a lot of trouble with a variable type called "float64". I'm trying to create a do{}while loop to make the number count up each time. data is also defined as an array. [CODE]float64 data[1]; int i; do{ for(i=0;i<1;i++) { data[i]=data[i]+.01; if(data[i]>9.99) data[i]=-9.99; } }while('0'=='0');[/CODE] Any guidance … |
 | Hello there,ihave given the assigment to make the c program to print the asterisks to represent the grades.. My question is , why the asteriks does not appear ? I think i got problem at the looping for asterisk.. actually my output should be like this : the graph such … |
| | Hello everyone, I'm trying to get some text via a C# console app from a web page. The text I'm trying to get is the current players from our Battlefield 3 server we are renting. The url is: [url]http://battlelog.battlefield.com/bf3/servers/show/bcc85e8a-c2fd-41a4-98f4-21548297a9b1/[/url] Obvious, the text I need is this: [url]http://prntscr.com/4qbiz[/url] I have some … |
| | Hello. The title pretty much says it all. I would like to know if and how you can print a number (type is double) with the same amount of decimal spaces as the one you entered. If I enter 12.34 I would like the output to be 12.34 and not … |
| | Hi everyone! I have a task that needs to be made in C in Linux. I use Kubuntu. This is the task: Process (coordinator) creates 10 working process (pool of processes). The working processes are waiting to be awakened by the coordinator, perform a job and wait again. The coordinator … |
| | This is MPI parallel program running using putty software.. I've done some part but I got errors... :'( can anyone tell me what's the problems? I've done the serial part but I stuck in this parallel part....... [I attach smaller input because I'm having problems attaching the real input] I … |
| | i need a answer of the above Q? |
| | write a system program to create a file called myfile1 containing the letters of the alphabet followed the first one hundred integers. Write another program to open the file myfile1 and read it and print the contents on the screen/monitor (stdout). Its an assignment, please help!! |
 | #include<stdio.h> #include<math.h> #include<conio.h> #include<time.h> #include<stdlib.h> #define LIMIT 100000000 //max value of n void main(){ double mypi,x,y ; int minus ; // 1 for pos., 2 for neg. long int m,n; time_t t; n = 0; m = 0; srand((unsigned) time(&t)); clrscr(); do{ n++; x = (rand()/(double)RAND_MAX); //pick a random X … |
| | hello everyone, i am trying to implement save,load and replay in my chess game made in c++ console. i am done with save and load but stuck on replay. i want every turn to be stored in file and when player asks to replay it should show all turns in …  |
| | Hi, I can't figure out why this isn't working (it's part of a larger amount of code but I tested it separately and I still get an error): [CODE] int nrows = 5; int ncolumns = 4; int i; int **array = malloc(nrows * sizeof(int *)); for(i = 0; i …  |
| | Hello All. After couple hours reading posts here and all over the web, i wasnt able to find example of code to "rewrite it" my way. All i need is: 1. read the file (txt), 2. scanf for string, 3. compare each line for this string, 4. if found printf … |
| | Hey guys, I am working on this square deal problem that I cant figure out. This is the problem: Input for this program will be two positive integers entered from the keyboard via scanf. The first will be an odd integer N in the range of 3 to 15. N … |
The End.