19,876 Topics
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| | i need to read from file two array with two different type (string and intger) but when i wrote the c code to read the file : char ON[row][30]; int RA[row][clo]; int i; int j; FILE*infile; infile=fopen("rane.txt","r"); for(i=0; i<row; i++) { fscanf(infile,"%s",&ON[i]); for (i=1;i<row;i++) for(j=0; j<clo; j++) fscanf(infile,"%d",&RA[i][j]); } then …  |
| | How to delete a record from a file in Dev C  |
| | I'm creating a program that maintains student scores. I've created a class called students that stores the data and displays it in a list box. Once the user clicks btnAdd a new form (frmAddStudent) loads that allows them to add the user by name and their scores and display it … |
 | Hi can anyone help me convert these codes into java and let me know which classes are to have? // Clustering.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include <string.h> #include "MersenneTwister.h" #define CATAGORICAL_CONST 30.0 #define MAX_FILENAME_SIZE 500 #define MAX_BUFFER_SIZE 500 #define MAX_STRING_SIZE 100 #define …  |
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| | Hello, i need your help. I need to make a program which will make sum of digits in number e.g. 123 is 6 BUT, the number could be very big like 1000 digits long or more.(e.g. 1 005 854 684......) - of course without spaces So, i cannot use datatypes … |
 | I was wandering aimlessly on google, I found [ReactOS](https://www.reactos.org/). It's interesting. I tried this OS, many windows applications are running well on it. But some latest applications are unable to run like **Firefox 65.0.1** I have few questions, * How worth is using this OS? * What is future of … |
| | Hi, I'm writing in C my program and I have a problem with this pieces of code: //lib.h typedef struct Array { char **array; char *searchDirPath; char *searchFile; char *tmpFileName; int tmpFile; int arraySize; int currIndex; } Array; // lib.c Array* createArray(int size) { Array* newArray = calloc(1,sizeof(Array)); newArray->array = … |
| | Hi, I've been playing a game from a few years back (I really enjoyed it) and I found that it was open source on github. I would love to make my own version and see how it goes. I have experience with python as a hobby, and I've had a … |
| | Suppose I create an asp.net website project that loads data into griview from the class library, declaring the library to use loading data for griview //file: ChitietSP.aspx using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Diagnostics; // … |
| | So given the following code (not my actual code since it would add unnecessary lines): typedef struct block{ int a; int table[64]; }block; typedef block* block_ptr; void getValues(block_ptr node){ int i, j; for(i=0; i<5; i++){ for(j=0; j < 15; j++){ node[i].table[j] = j; } } } int main(){ block node[10]; … |
| | Write a C++ program that would depict car pooling is of much advantage to the environment and to the user . NB:Enforce security in currency output. |
 | Why is it that C# disappeared from the Programming menu? Something to do with upcoming changes? |
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 | This may sound wierd, or easy, I just don't have a statistics background. How do I alter the statistical value of an array of emmitted random numbers? I am completely capable of using ranges, or creating an algorithim, I just need pseudo code or a brief description to guide me … |
| | [CODE] //I need to make a class that calculate the mean and standard deviation. I have to test my program with an external file containing about 300 data. My program doesnt return the correct valuesAny help? #include <cstdlib> #include <iostream> #include <cmath> #include <fstream> using namespace std; class Statistics{ double … |
| | I am starting a website where an image shows on the home page and when I scroll to hover over the image it opens a newpage. I’m trying to figure out a way to do a slow dissolve from the home page to new page and also if the user … |
| | Hi I am considering to use C++/CLI because of .NET. My aim is to create DLLs where these would be used by some language. Would I be getting any problems if I decided to export DLL containing managed code? Any portability issues? Thanks in advance |
| | Hey everyone of the c++ world. I am a little stuck. Here is what i am suppose to be doing. Write the program as an object-oriented C++ program that calculates and displays the mortgage payment amount from user input of the amount of the mortgage, the term of the mortgage, …  |
| | I'm trying to make this queue program for school to take the next packet out of my queue (therefore delete it) in the queue function : struct packet_t *queue_retrieve(struct queue_t *queue) in line 73. I know that i have to use my write and read but i fail to understand … |
 | HEEY EVERYONE ,hope you're doing well my teacher assigned us a homework wich is to create a program with C; this program takes as input a text file with some data in it .every line of the text file contains the ID of an employee and it's name and salary … |
| | Hi, does anyone know how to pass variables between functions in C so one function can recognise the variable passed from another function. one function knowing from another function like length = 0; while (length <= 5) { length ++; } return(length); getting the value of the length from the … |
| | Hello everybody, I want to convert python to c but ı did not find any converter. Is it possible to convert |
 | hello. how can i print out in textbox a void * value ? here is the code: uintptr_t offsetFromBuffer = (uintptr_t)internalAddress - (uintptr_t)&buffer; void * healthDecAddress = (void*)(currentChunk + offsetFromBuffer); richTextBox1->Text = healthDecAddress; // how can i do it right ? |
| | I am doing a team project with some people that prefer Linux and some people prefer Windows. We are also not allowed to share code for security reasons. One thing the Windows people love to whine about is a way to hold the window open. So the way they usually … |
| | I am trying to replace a string in a function with double pointers. I would like to see this change back in main. What am I doing wrong? These are the warnings my compiler gave me. $ gcc *.c -Wall main.c: In function ‘replacevalue’: main.c:10:12: warning: passing argument 1 of …  |
 | heres my actual code for find\search a folder: string FindDirectory(std::string FindDirectoryName[2], std::string StartDirectory="C:") { WIN32_FIND_DATA file={0}; string str=StartDirectory+ "\\*"; HANDLE search_handle = FindFirstFile(str.c_str(), &file); static bool blnFindDirectoryName=false; static string strFolderName =""; //testing if the folder is valid: if (search_handle != INVALID_HANDLE_VALUE) { do { //if the folder was founded, then … |
 | Hi, I have a C++ program : // ConsoleApplication14.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include <iostream> #include <list> #include <queue> #include <vector> #include <string> using namespace std; class RectangularVectors { public: static std::vector<std::vector<int>> ReturnRectangularIntVector(int size1, int size2) { std::vector<std::vector<int>> newVector(size1); for (int vector1 …  |
 | Hi I am trying to get windows positioned in specific order as show below  but I am unable to get and get always this  the code below is shown HDWP cmdWnds; cmdWnds = BeginDeferWindowPos(col.size()); for (int i = 0; i < col.size(); i++) { if (i == 0) … |
 | i am new to c programming and i wanna ask for help. at the end of the coding part, how can i print out the orderlist, the quantity and the total price for the food? I personally think that it is similar as print out a reciept but i have … |
| | write a C++ program to find the volume of a cube. The program should provide setting and gettng the values of cube( height, length and breadth). show how encapsulation and abstraction is implimented in your programme. you must use a class concept and the main function. |
| | Hello, this is my first post. I need help with this assignment here, dont know where to begin! maybe I should use strstr()? The output needs to be what is shown at the bottom. I cant use the string class, only c-style functions. Any hints would be welcome thank you! … |
 | i need a code for authentefication user and password with c languge the user and password should be filled first in a .text |
 | So I have a poker type program where it should shuffle and deal a deck of cards using arrays of pointers. I have to write a function that uses a pointer(s) to determine if the hand contains an Ace. If I can understand this one, I'd be able to do …  |
| | Hello everyone. I am a newbie in C programming and I have a quite challenging task to do. I am supposed to write program where user enters a number (for example a number that user wants to get from cashpoint) and the program gives me as best solution as it's … |
| | Hi, I would like to ask a question about returning the column value(s) returned by stored procedure in c#. I have created the code but somehow I encountered an error saying: ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ An unhandled exception of type 'System.Data.SqlClient.SqlException' occurred in System.Data.dll Additional information: Subquery returned more than 1 value. This … |
 | im just new on c program can you help me on this ? problem : make a C program that will ask 10 numbers and store into an array. the numbers to be entered must be between 70 to 95 only output the average,number of grades below average, above average. … |
| | I want to create a game that computer guesses the number that i think between 0-500 but i am a beginner and i do not know what to do could you help me please ? |
| | I see the software to charge credit card swipe, samsung pay, ... I want to find out how the swipe card works and write code to get payment information in the software sales. how ? You can share the code for me with.  |
 | Hey, I don't know if this is the right place, but my issue is taking an output from a software SPI and using it in another function for temperature. The code below is marked with my issue, however it's not the full code. The full code is for a lab … |
| | Question: I have to do a program on alternating sums using vectors. I am not sure how to start this program. I thought about using an array and every even index add the value and every odd index subtract the value. Does that sound right? Any ideas?  |
| | How can I make this to continue until the user presses N? I've tried using while(1), while( option == 'y' || option == 'Y') but it kept giving an error for that, and if/else statements but no luck. So I decided to try a do while statement and same results, … |
| | I have 30 functions like this void func1(int *var1, int *var2) { func2(var1, var2); } void func2(int *var1, int *var2) { func3(var1, var2); } void func3(int *var1, int *var2) { func4(var1, var2); } I do not need var3 until func15. Is there a way to fix this mistake without having …  |
| | If you have a counter that gets incremented through multiple functions, is it better to use a global counter or pointer counter? They both work just curious which is better and why. |
 | Can someone give me the code of this program: Write a program that convert the numbers of length upto 3 into words and speech.Use either if else or switch case only |
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| | Hi guys, I took it upon myself to learn the mysteries of linux. I'm trying to write a shell that can handle more than one pipe. Here's the code: [CODE] typedef struct command_link{ char *command; char *argv[MAX_ARGS]; int argc; struct command_link* next; int isPiped; }command_t; int pipedCommand(command_t *command) { int …  |
 | Hi guys I was having issues with reading 3 files and merging them into an array, I tried fgetc, which then let me to have issues with sorting them so I tried to change my array and allocate a counter variable to get the size of it but not sure … |
 | Hi, How can I pass a c# string to C++ side of the app? Right now, I have all handling in Const char * format . When I pass c# string, c++ working fine when using Platform::String . But there is no good way of converting Platform::String to const char … |
| | I have show example merge cell the datagridView but actually deleting the duplicate line (demo: https://stackoverflow.com/questions/16774966/how-to-merge-datagridview-cell-in-winforms), I want after merge cell the text in the middle of the cell as the image file attached to the code write how ? http://www.mediafire.com/view/h005tuc3aawaray/1.PNG/file |
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