[c] Forum Topics

What languages do you need to learn to be a software engineer? I can only think of c, c++, and java but do you need to be really really good at it?

int find(int x) { for(int i=0;i < n; i++) { if(a[i]==x) return i; } return -1; } int find(int x) { for(int i=0;i < n/2; i+=2) { if(a[i]==x) return i; if(i+1 < n && a[i+1]==x) return i+1; } return -1; } int find(int x) { for(int i=0;i < n/3; i+=3) …

When I have a simple server-client code, how do I get the client to send the server a time request and the server responds, and the client then displays the offset and the delay ? The communication should be in NTP. I think that means there are 4 time stamps, …

did any of you guys help me out to know c programming easily.i feel it hard . so please help me out,,

I'm wondering how impossible it can be to connect a touch panel (with USB controller) to a PC for it to send X,Y coordinates when an event happens (the panel is touched). After searching the web for an entire day I couldn't find more then pieces of information that don't …

There is any way to create a program in C which will be able to translate words using google translate or bing translator? I've already downloaded curl library (Ubuntu 14.04), but don't know exactly how to start in pure C. I'm beginner programmer. Thanks for help.

I am familiar with java. but now i want to learn either of these. so which would be better to learn??

Hi everyone! I am making a program in C where the user will input a month then the program prints out all the names of files created in that month. Right now I'm having trouble in printing the names of files. Here's a portion of my code. Can you help …

Hi, Let's say I have an array of 10 elements. I want user to enter 9 numbers so that they fill arrays 0 to 8 (9 numbers). Now I shift the arrays +1. so array[0] is now array[1] and so on. Now I ask user to enter 10th number (fills …

Okay, so this is my current code: #include <stdlib.h> #include <stdio.h> #include <stdint.h> struct Display { int width; int height; char **array; }; struct Display *display_create(int width, int height) { struct Display *display = (struct Display *) malloc(sizeof(struct Display)); display->width = width; display->height = height; display->array = (char **) malloc(sizeof(char) …

Hey! I'm a beginner and I am making a code about getting the directory of a file, but I have something that I don't understand. What's the meaning of "./" in `DS = opendir ("./");` I have searched a lot of sites about C programming, but nothing gave me a …

What's a good book to learn C if you already know Python and are comfortable with computer science terminology? I'd like a book that is downloadable as a .pdf free of charge but an html book viewable online free of charge would be fine. Also, is there an advantage to …

**With a 2^32 address space and 4K ( 2^12 ) page sizes, this leave 2^20 entries in the page table. At 4 bytes per entry, this amounts to a 4 MB page table, which is too large to reasonably keep in contiguous memory. ( And to swap in and out …

why this code not work ?? # include <stdio.h> void get_values(float *r, float *v); float do_calculations(float resistance, float voltage ) ; void display_answer(float current); main() { float resistor; float volts; float current; //explain_program(); get_values(*r, *v); current = do_calculations(resistor, volts); display_answer(current); } void explain_program() { printf("This program calculates the current in …

what is souce control and what is Fault ?

I am using Visual Studio 2013 and can't install any libraries(for school purposes)... I would like to display an image of any extension as long as it is an image (jpg/png/bmp...) I've been looking around forever now and just want to put display an image in my application. I am …

I am new in c programing.In apps they usualy have images as background take for example a question and answer app will have a colourful backgroung.If i draw an image with corel draw how can i display as background in my c program.

is there any alternative for wavread (in matlab) in c. i want to get the samples, sampling frequency and bits per sample???

hello, I'm new to c and i need to put the following string from a file into a linked list : music;artist;1,2,3,4;2015 i also need to put "1,2,3,4" in an array but only the numbers. I would really appreciate your help. Thank you

fstream file; file.open("PasswordGenFile.dat",ios::out); In writing into a .dat file what does the following line mean? file.write((char *) this, sizeof(PasswordGenerator)); And how can i convert this bit of code if i want to write it into a .txt file?

In the following program it says that there is a conflict between my getline and the getline in stdio.h. I understand what it's saying because stdio.h has it's own getline function. What's confusing me is that this is the program that my programming book (The C Programming Language) is giving …

If you are a programmer than you probably know or at least know of C++ well now a company called Digital Mars is developing the D programming lanugage. [I] "D is a systems programming language. Its focus is on combining the power and high performance of C and C++ with …

Hi i have this program that is about library management system in C++ language and i want to convert it to C but i dont know what to do. if someone could help me i would be thankful. #include<stdio.h> #include<conio.h> #include<iostream.h> #include<stdlib.h> #include<string.h> #define MAX 100 struct book{ char bookname[80]; …

//compiled with cmd command:gcc main.c -std=c11 -o main.exe //this is only file #include <stdio.h> #include <stdlib.h> #include <windows.h> #include <string.h> //user changeable variables int boardSize = 9;//board hight and width are of equal size #define NUMBER_OF_GRID_CHOICES 7//this has to be an odd number(increase it by two if you add another …

it is a simple program but the beuty lies in its shortness it is written in least line as possible By :- Anurag Pareek

i have programe in c but i need to use function and i have no idea how do it can any one help me please and one more thing i cant use loop inside case so it must be out #include<stdio.h> #include<stdlib.h> int main() { int row ,n,c,temp,k,count=1; int input …

Hi All, I am very new to C Programming. I am writing a C Program to run in an UNIX machine which is used to Archive Log files if it exceeds a particular Size. The thing is the program has to get the details of the file like file name, …

hii I have a list having m1 m2 m3........ m922 and in each there are a1 a2 a3 a4 are there like m1=a1 a2 a3 a4 a5 a6 m2=a1 a2 a3 a4 a5 a6 m3=a1 a3 a5 a7 a8 a2 etc and i want this as m1=a1 a2 a3 a4 …

Hello, I posted on this forum two times before about a particular pair of non-printing characters being inserted into my code. You can find the threads [here](https://www.daniweb.com/software-development/threads/441611/stray-non-printing-characters-in-my-programs) and [here](https://www.daniweb.com/software-development/cpp/threads/450296/arbitrarily-appearing-non-printing-character). Two great posters tried their best to solve this problem (mike_2000_17 and deceptikon) to no avail. Finally, using the hints that …

I want to get the occurence of the symbol ';' for each line of this C program. I type the name of the file Source.c and try to count the occuring symbol, but i am getting the value for ALL of the ';' for each line. #include <stdio.h> #include <stdlib.h> …

Hi, This two parts of code both are intended to do one thing. get two numbers from user, calculate sum between them. print it. now only the first code is working properly. second one is faulty. but why? what's the problem? code no1: #include <stdio.h> int main() { int n, …

In my opinion, that code is not true. because of in the 15 line. I assume that, when a==i --> a%i==0 --> break; --> line 16 will be never executed! please make me clearly !

Hello everyone, I am new to the website! I've looked over the different forums and I think I'm in a dilemma. In my past (1996) I went to college to learn "Computer Service Technology", and in those classes I was taught Qbasic, Visual Basic, and a little bit of C …

Hello everyone, I am new to the website! I've looked over the different forums and I think I'm in a dilemma. In my past (1996) I went to college to learn "Computer Service Technology", and in those classes I was taught Qbasic, Visual Basic, and a little bit of C …

Sample output: Please enter a number(Less than 8 digits): 1203021 how can I sure only 8 digits key in and how to count the zero inside the given number. Please teach me final is coming :(

Hi, I wrote the following program: #include <stdio.h> #include <stdlib.h> #define TRUE = 1; #define FALSE = 0; static int *arr; static int size=0; void createSet() { arr= (int *)malloc(sizeof(int)); size=0; }/*createSet function*/ void putInSet(int num) { int *temp; size++; temp=(int *)realloc(arr,size*sizeof(int)); if(temp!=NULL) { arr=temp; } else { printf("Insufficient amount …

please help!!!!! I wrote this program to calculate addtition and subtraction of two large numbers (maximum 100 digit) it won't work for minus numbers :( i know it have problems but i couldn't fix them,please help me for fixing this :) #include <stdio.h> #include <stdlib.h> int main() { int i,d=0,la,lb,max,ia,ib,ix,iy; …

Hello friends, I am trying to work on a project that dynamically allocates memory when needed for a string array. I just keep getting memory faults when reallocating memory but can't find any thourough tutorials on realloc besides the man page. So basically, I malloc 201 character spaces in an …

Hello, I am working on a project with the following directions: Store a name as ASCII Hex values in an array – enter Hex values into ASM source code directly. First character of first and last name is Capitolized, all other characters are lower case. Output 3 different strings: 1. …

Hey, I know how to read from file.. I would to save it and send it to another function that can print it out that is in a different c file .. how can i do that?

hey , i'm having a problem with a LINK error i keep getting the same error although deleted the line with the flushall_ also i copyed the code in a new project but it still gives me the same error the error : Error 1 error LNK2019: unresolved external symbol …

This program goes against everything I have been taught and learned in C. How does this compile? Why does this not need to be int main? Why no return 0? Don't you need an initial declaration of sub() above main? That bugs the crap out of me. I like keeping …

Hi. am starting out with network programming and unix network programming book. all its trying to do is connect to server and read time, but when i run it it says : 'connect error: Connection refused' Here's the code : #include "unp.h" int main(int argc, char **argv) { int sockfd, …

Hello, Can someone, please, comment on the following curious fact that I encountered in C (actually, I use gcc, which has the default language Gnu C): If one writes const int a=10; const int b=a; one gets an error indication at the declaration of b (not constant!). I would be …

I'm trying to read a message (string/text) from the server, and I set the buffer size really large (buffer_size = 1000) so that I only need to read once from the server. So my question is if the message is exactly 10 bytes, and I call read(socket, buffer, buffer_size), then …

[CODE]//--------------------------------------------------------------------------- #include <windows.h> #include <CommCtrl.h> // needed for adding custom toolbar #include "resource.h" #pragma hdrstop //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- LPCTSTR ClsName = L"FundApp"; //LPCTSTR WndName = L"Resources Fundamentals"; const int NUMBUTTONS = 3; TCHAR AppCaption[40]; LRESULT CALLBACK WndProcedure(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); //--------------------------------------------------------------------------- INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, …

**Construct a binary tree using the following pre - order and in - order trasversals : Pre-order:ABGHMCDEF In-order:BHMGADFEC ** I Just Need a Diagram of Binary Tree . I have tried a lot with youtube tutorials but not getting the answer plz help.

Implement a C function that can perform addition of two 15-digit (positive) integers. As in C the maximum integer number that can be stored in memory is 2147483647 it is not possible to use primitive data types in order to add very large whole numbers. For this reason, you are …