Questions tagged [chararray]

51 questions
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fuggy concept on how function and character array work in function parameter

** I understood how the function getline is working, it simply assigning value in each s[] array address which gets stored into the char line[] array because function argument has local scope there is no conflict due to the use of different array…
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Char array gets cleared after function gets() on C++

I'm trying to learn C++. Sometimes I get confused by C style strings and its functions. I've been using char var[1]; fflush(stdin); gets(var); to write a string into a char array. I don't know if thats the most efficient way but thats how I've been…
GZanotto
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How to make a 'zoom' function display squares outside of bounds in a 2D character array

Basically, I have to implement a variety of methods to mess around with a two-dimensional character array for a class (display, recolour, and zoom). I've got everything to work except for one problem- the 'zoom' function is meant to display the…
Blither
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Making a 2D character array table in C

#include int main (void){ char board[3][3]; printf("Enter X or O>"); for(int i=0; i<3; i++){ for(int j=0; j<3; j++){ scanf("%c", &board[i][j]); } } printf("Board: "); for(int i=0; i<3; i++){ for(int j=0;…
hade34
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Arduino Char Arrays Weird Symbols

So in my arduino programm I am working with char arrays in a function. I try to save them globally, but no matter how I do it, the global arrays contain only part of the original array and a ton of gibberish symbols. char* naam; char*…
STEENBRINK
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I want to make a directory with a variable Path

I want to make a directory with a variable Path but it only works, if I put the name of the directory in quotation marks. But then the name of the directory isn't variable anymore. I can't find any solution for that. I want that the variable inside…
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How to remove an element from a char array in VB.NET?

is there any way to remove the element in char array I converted from a String? Dim myString As String = "Hello" Dim charArray As Char() = myString.ToCharArray Your help would be much appreciated.. Thanks
Ryx
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Can we map char[] to VARCHAR in Hibernate entity?

We don't want to store password in String variable in Hibernate entity class instead we want to store it in a char[] array so that we can empty the array after using it. Hence we are reducing the chance of Heap inspection. Need your suggestion…
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Unexpected \u0000 insted of '0' when concatenate char arrays

I've got unexpected \u0000 at leetcode: Same code works fine locally in linqpad: public string AddBinary(string a, string b) { var result = a.Length > b.Length ? new char[a.Length] : new char[b.Length]; result.Dump(); …
A K
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Why can't i use loops to take input of a char array?

#include #include using namespace std; int main() { int size; char str[size]; cin>>size; for(int i=0; i>str[i]; } return 0; } example: size=10; I was expecting this program to take 10…
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How does a null character behave in a char array in C?

I tried to reverse this char array with null characters in the middle and the end, without using string length. (original code) #include #include int main() { char string[4] ={'c', '\0', 's', '\0'}; …
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C++ return char* then delete it

So I have this function: char * func() { char * temp = new char[length]; // Length is defined elsewhere /* Do some stuff with temp */ return temp } My problem is I'm not sure whether or not this leaks memory. If so, I don't know how to make it not…
chboo1
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Modifying a String so that 50% of characters are uppercased and 50% are lowercased

I am attempting to create a program that will take in a simple password and generate a newer, more complex password with certain characters being changed to special characters e.g(s == $). I've got this done but I would like to have 50% of the…
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difference of `char * str = "asdf"` and `char str[] = "asdf"` , strtok not working

my code shows the problem this works char str[] = "asdf=1=2=3"; // this works printf("type: %s\n", typename(str)); // prints 'pointer to char' char *token = strtok(str, "="); printf("%s\n", token); this works not , why ? char *str2…
Jonas Frey
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Cannot output the C struct char array member

I'm learning how to use structures in C. But in the following code I couldn't print myArray "HELLO!" which is declared as a char array: #include struct myStruct { int myInt; float myFloat; char myArray[40]; }; int…
floppy380
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