19,876 Topics
 | |
| | Hello I am having 3 files. a file contains text as aaaa,bbbb,cccc b file contains text as 1111,2222,3333 so i want to read these 2 files and write to new file as aaaa1111,bbbb2222,cccc3333. Can i able to do this?  |
| | Hello, I want to read a text file in C and the output file must be created and want to reverse the data in tat output file created. So i used the below coding but not reversing the data in the output file created. eg: input file contains this data …  |
| | Hi I use Dev - C++ and i d like to ask you cause i dont seem to figure that out, how can i store a 12 digit number? For example lets say this is the number 930342900243 How can i write a program that would print that number using … |
 | okay i understand all bitwise operators but in the chapter of k&r at bitwise operators i m really lost at there question i have no idea how to do them Exercise 2-6. Write a function setbits(x,p,n,y) that returns x with the n bits that begin at position p set to … |
| | I want to read the contents of a .txt file and the contents, for example, are: 1;london;7000;2000;3000;5000; etc i want to read them to a variable linked by adjacency lists I need to know how to do this for a paper work and any help is welcome. thx in advance... … |
| | what does this code mean/do? Rectangle[] rects = new Rectangle[] { new Rectangle(8,8,119,86), new Rectangle(127,8,119,86), new Rectangle(246,8,121,86), new Rectangle(8,94,119,90), new Rectangle(127,94,119,90), new Rectangle(246,94,121,90), new Rectangle(8,184,119,88), new Rectangle(127,184,119,88), new Rectangle(246,184,121,88) }; formGfx.DrawRectangles(pen, rects);  |
| | Hi All I am new to C# language and would like to know where I can get my hands on some good examples of C# in Revit. I am not a genies in programming so I will possibly need a book for C# programming for dummies :-) Any information would …  |
| | Hey there, I have a simple question: How can I read three characters by three characters from a string (character array) in C? Thanks for your help. |
| | hi plz help. Trying since 1 week. acwl1 line we james line rx sijith fff xw nisha nnn w /sijith line r /Arjun line w vineeth line r acls2 faculty x arrr line2 w Rahul line3 wx Arjun line1 m /Tom line wr ac01l2 lineN w aclM1 line1 rw Ram …  |
| | This is my code that I'm using: [code=C]void create_project_go() { FILE *fp; FILE *fopen("/usr/lib/htmlexamples/default.html", "r"); };[/code] and i get this error: [code]/home/miguel/Documents/packing/create_project.c||In function ‘create_project_go’:| /home/miguel/Documents/packing/create_project.c|40|error: expected declaration specifiers or ‘...’ before string constant| /home/miguel/Documents/packing/create_project.c|40|error: expected declaration specifiers or ‘...’ before string constant| /home/miguel/Documents/packing/create_project.c|39|warning: unused variable ‘fp’| /home/miguel/Documents/packing/create_project.c||In function ‘get_project_info’:| /home/miguel/Documents/packing/create_project.c|46|warning: … |
| | Hi Folks I need to modify a .txt file using a C program. The file contains name and phone number of my friends like below: Mark 07915588623 Phill 07542535698 Claire 07825698745 ... ... . . ... If one of my friends phone number is changed (i.e. Claire 07985413791), how could …  |
| | Write a program to compute the aritmetic mean (average), median, and mode for up to 50 test scores. The data are contained in a text file. The program will also print a histogram of the scores. The program should start with a function to read the data file and fill … |
| | PDF virtual printer in c# Hi All I have a small project that someone asked me to do for them and am struggeling quite a lot to get started. Could someone please steer me in the right direction. Here are the requirements: When you are in app such as word/excel, … |
| | i have a thorough knowledge C and a little bit of practice of C but i wanted to be a good C programer can anybody tell me how i can do it are ther any good books which can provide me good practice of C |
| | [U]see the following code-[/U] [code] #include<stdio.h> #include<conio.h> struct emp { int age; char name[6]; }*e; void main() { printf("%u\n",&(e->age)); printf("%u\n",(&(e->age)+0)); printf("%u\n",(&(e->age)+1)); printf("%u\n",(&(e->age)+2)); printf("%u\n\n\n",(&(e->age)+3)); printf("%u\n",(&(e->name)+0)); printf("%u\n",(&(e->name)+1)); printf("%u\n",(&(e->name)+2)); printf("%u\n",(&(e->name)+3)); printf("%u\n",(&(e->name)+4)); printf("%u\n",(&(e->name)+5)); printf("%u\n\n\n",(&(e->name)+6)); printf("%u\n",((e->name)+0)); printf("%u\n",((e->name)+1)); printf("%u\n",((e->name)+2)); printf("%u\n",((e->name)+3)); printf("%u\n",((e->name)+4)); printf("%u\n",((e->name)+5)); printf("%u\n\n\n",((e->name)+6)); } [/code] OUTPUT------------------------------- 0 0 4 8 12 4 10 16 22 28 … |
| | Hi, everyone and first off thank you for this great community! So, here is my question about my code: [CODE] #include <pthread.h> #include <stdio.h> int data; // global variable void *thread_function1(void *arg) { int temp,i,j; printf("I'm threadf1\n"); for (i=1;i<=20;i++) { data++; temp=data; temp+=3; j=0; while ( (j++)<1000000 ); data=temp; } … |
| | Hi, I'm trying to read data from a text file and store it into an array. I know this issue has been dealt with earlier, but none of those threads seem to be helpful in this case. Sorry in advance if I missed a relevant post. The data in the … |
| | hello guys... my problem is that i cannot seem to save the value of ptr pointer.... every time i reference it the value seems to reset. after the initializatin it should have 2w's and 2b's in it.. but when i try and print it. it comes as empty... the entry … |
| | Hello., I'm reading about anonymus structs and have problems understanding what is the privilege to have one. could anyone demonstrate an example of both anonymus and regular struct. I see that anonymus struct has a name after the the } and before semicolon. Any help would be greatly appreciated. Thank … |
| | Hello, I am am trying to get a ListView to populate based on an xml file. to acheive this I would like to use the DataTable. this is my XML file: [CODE]<?xml version="1.0"?> <main> <person> <id>1</id> <name><first>Joe</first><last>Blow</last></name> </person> </main>[/CODE] And the C# that I am using to read it: [CODE]public …  |
| | Hi all, I working in VC++. I have a void pointer. I am assigning a memory block to it using malloc(). void* buf_ptr = NULL; buf_ptr = malloc(1428480); I am filling this buffer using fread(). and I want to index this buffer (buf_ptr) to acces its data. How can I … |
| | [code] Hello guys i need help in doing "Saving text in TextBox" let say you want you have someone info already in the textbox already and you want to add in the existing info this is what i have so far txtOutput.Text = txtNotesEntry.Text; i know this just copy whatever … |
| | I had 1 exercise: read data form file then add into TREE. I read data in the file into an array, then add array into TREE, here is my solution but it does not work properly I know that data in array seq[] will be erased after ReadFile() function but … |
| | Hello i m reading chapter in K&R about bit operation whish totally confuses me i understand what all operators does but i dont understand the code itself [code] unsigned getbits(unsigned x, int p, int n) { return (x >> (p+1-n)) & ~(~0 << n); } [/code] it will right shift … |
| | Hello, I'm trying to read dictionary words from a file and store the output in a struct element of type unsigned char *. I keep getting a bunch of memory related errors and segmentation faults which Im sure are totally related to me trying to access something that's not really … |
| | i dunno im sure this output the good result i dont understand why it got not the output that i want [code] #include <stdio.h> void Squeeze2(char *str,char *save) { int i,x; int buffer=0;//used to save stuff for( i=0 , x=0 ; str[i]!=0 && save[x]!=0 ; i++, x++ ) { if( … |
| | hey there, i need some help in understanding pointers. this is an example from school but i cant quite figure i out. i know the basis of pointers but could someone give me some more info. [CODE] #include <stdio.h> #include <string.h> int string_len(char *s); int main() { char s[80]; strcpy(s,"Hello"); … |
| | i m trying to code htoi function in chapter 2.3 for K&R but problem i dunno where to start should i first read all string then after that change each character to its decimal and then add them ? or any better ideas? |
| | [code=c] #include<iostream> using namespace std; int fact (int num); int main () { cout<<"Enter a number"<<endl; int number; cin>>number; cout<<"Displaying number: "<<number<<endl; cout<<"Calculating Factorial for the number"<<endl; int fact; fact = fact(number); return 0; } int fact (int num) { if(num==1) { return num; } else { return num * … |
| | "I am a boy\r\n" if this string is readed through using fgets in an array what will get readed |
| | I have an array of integer of size 20 and there values range from 0-9 and i want atleast the value 0 placed in one location in the array once. how can i control rand() to be able to do that? cause there a possibility 1/10 will randomily generate 0 … |
| | Hello., Have a question about array being set from function argument. I wrote this little program, and want to know why cant i set an array size from the function argument. Any help would be greatly appreciated. [CODE] int money(int deposit, ...){ int i, sum = 0, nextvar; // myArr[deposit]; …  |
| | write a program to find size of a file without traversing it character by character? will anybody tell me the logic hw to approach it is there any trick involved |
| | void openfile(char *,FILE**) what does double stars indicates |
| | Hello guys! I just started learning c#.net. I able to make a simple report using crystal report. Now, my problem is I can't include data which comes from the textfields in the forms of my application. ex. I have value "alpe" in my textbox. and I want to include this … |
| | Hi, Im new to C# and need help with my program that im writing i need to let it read an XML in the first window and when i press add program a second window opens (both windows i have) i want it to write the XML so something like … |
| | Hi, I am looking to create a C# application that when ran remains inactive (and hidden) untill I hang the mouse over something.. such as the 'My Computer' icon on my desktop (it will then display a message). Is this possible? If so, can anyone point me in the right …  |
| | I am writing a simple program for managing the final grades of students. The program first read original data from a file called "final.txt", and create a linked list to store the imfornation in memory. The format of the orginal data is "Class_Character Seat_number Computer_grades Laboratory_grades". There is only data … |
| | Hi I'm designing a code where one can guess the Magic Number. In my code I have this part here where I declared the randomNumber after the class Form1. (the green mark below). Can somebody tell me what's the name of this part here? Is it static variable? And what … |
| | Hello Everybody, I am working on a project and i want to compose one main string out of several substrings in C. for example: I have 3 variables: Float Vx=1,66 Float Vy=1.55 Float Vz=2.3 My first step is to convert them to character arrays usin snprintf. Then i want to … |
| | This may be be a silly question, but its baffling me. If I set up a receive interrupt, process the data and clear the flag. All works well. The problem is I need to use printf. I realize that this will of course also generate an interrupt, I handle this … |
| | This is the code i'm using: [code] List<Process> processes = Process.GetProcesses().ToList(); processes.ForEach(x => MessageBox.Show(x.ProcessName + ".exe"));[/code] For some reason, it is looping through it, I just want it to go through the processes once. Anybody got any help?  |
| | Hi All, I am trying to read a file line by line. If a line contains the following character ':' then that line will be parsed word by word and put in a list. I am trying to do that but the head pointer is changed when we go to … |
 | When initializing a constant data member in a given class with a constructor, does the act of initializing that constant data member (providing it with a value) actually stop you from assigning it the value you wanted to give it later on in the program? My understanding is that a …  |
| | can u please tell me that if in c# windowsapplication i want to insert picture which code i have to write????????? |
| | hi! i need help with my code...i dont have any syntax errorrs but when i run it it doensnt run!! i dont kno what to do!! plss i really need help!!! i have to write code tht uses array to store student information and calculate the average, letter grade. i …  |
| | Below is my prime generator, it works fine only thing it gives me 1 more prime than i want eg., if num=40, i need primes uptill 40 but it gives me 41 also...i want it to stop at 37. It works fine with 90. sample run ======== Enter the number:40 … |
| | hi i am truly just a student at this time soon to be the worlds best programmer there is just this one hickup with my studies i am trying to learn the c++ visual studio 2008 as part of my current course i am taking and every thing went well … |
| |  |
| | Hello friends, i have some doubt and hope i will get an satisfactory answer from here. 1) Can memory addresses be negative........i have initialized an array and check the address of element and found it negative...so i want to know can it be negative and if yes then how addresses … |
The End.