Questions tagged [chararray]

51 questions
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Numpy reranging chararray

How can one rerange chararrays without getting a TypeError. import numpy as np bggr = ([['B', 'G', 'B', 'G'], ['G', 'R', 'G', 'R'], ['B', 'G', 'B', 'G'], ['G', 'R', 'G', 'R']]) test…
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I need help iterating through an Array and inserting a new element in the correct position alphabetically by last name

I am practicing inserting and shifting arrays, I have a Contacts program and currently trying to write a function for adding a contact and inserting that contact in the correct position based on their last name Note: I do not need to do any checks,…
Valkonaan
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Capitalize each word in a string, how does this code check the previous space

I recently came across this solution to writing a program that capitalizes each word in a string and I'm trying really hard to understand it, but I can't get over one hurdle. public class test { public static void main(String[] args) { …
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2d char array with commands for a car and needs to be tracked java

Expert's help needed on Java 2d Array: boolean flag = true; while(true){ String consoleInput = in.nextLine(); commands.add(cmd); switch (consoleInput) { case…
MaSu
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char array gives inappropriate and unworthy output [C array]

char array gives inappropriate and unworthy output. Here I was making a binary converter everything is well but the output like this 'a ■wô▀╓vè▄╨ 0000 0000 0000 0101' Don't know why but I just want simply '0000 0000 0000 0101'. Can you tell me…
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Would accessing a "\0" at the end of a char array result in undefined behavior in C?

In this snippet of code, is there anything that could go wrong? int min(int x, int y, int z) { if (x < y) { if (x < z) return x; else return z; } else if (y < z) { return y; } else return z; } int d(char* a, char*…
bedirhan
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copying one string to another without using strcpy using while loop

So i recently stumbled on this code somewhere where it is copying one string to another using just one line of code with the help of a while loop , however , I am not able to understand as to how and why it happens-: int main() { char…
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Comparing two char arrays in Java

I am trying to compare two char arrays lexicographically, using loops and arrays only. I solved the task, however, I think my code is bulky and unnecessarily long and would like an advice on how to optimize it. I am a beginner. See code below: …
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Return char array C

I have a function that makes a string with a certain number of #. String is stored as in char array (at list I think this is it... I'm new to C). This string is generated inside a function called blocks. I want to know how to return it so I can…
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Is it possible to read character array elements into a struct using ```strtoul``` in C?

I'm working on a project for a class and I could use some guidance. I need to parse a character array into constituent parts - the specifications of which I am given - but I am unsure how to do so in C. I have been given a file and each page of the…
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Is there a way I can store address of a string to a 2D character array

I am trying to make a program where it asks the user the number of shelves and number of positions on those shelves from the user then it asks the user where he wants to enter a product. Now I got rows and columns figured out but I can't get the…
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reverseCase along with swap Integer in kotlin

I am trying to write an effective code to reverse Case in kotlin . HeLLo 5worLD6 -> hEllO 6WORld5 5 and 6 are swap as they have equal difference Initially I am trying to swap digit's but forEachIndex doesn't change in my existing list . Why? val…
Taimoor Khan
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C passing char array to a function and pointers

So, I'm having a difficult time wrapping my head around using arrays and pointers in functions. I want to print the following array of chars using a function. I can print them outside the function with the for loop but when I pass the same code to…
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Building a char array with hex bytes from string values

I'm trying to build a char array that contains hex bytes on the fly. I effectively want to create: unsigned char myHexArray[] = { 0xfc, 0x48, 0x83, 0xe4, 0xf0, 0xe8...); But I want to create it from a string like so: std::string str =…
Mike
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How do I make my method count the character of 'a' in the main char array?

This was a problem involving an array of chars and uses recursion. I understand partly how to solve it, but I can't seem to output how many times the char a appears in the char array. Here is the method that I came up with two variations I tried but…