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Out of bound array elements being printed using gcc in Win8


Out of bound array elements being printed using gcc in Win8

By : user2953238
Date : November 20 2020, 01:01 AM
To fix this issue Accessing out of bound array element invokes undefined behavior and this will result in any expected or unexpected result.
Change
code :
 for(i = 0; i < alength; i++){
        if(a[i] > a[i+1]){ ...
        ...
  }  
 for(i = 0; i < alength-1; i++){
        if(a[i] > a[i+1]){ ...
        ...
 }


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Array elements are not printed in Perl

Array elements are not printed in Perl


By : Rick G
Date : March 29 2020, 07:55 AM
Any of those help Your file uses CR LF for line endings, but you're on a system that uses LF for line endings, so your program outputs
code :
"3" <CR> "," "4" <CR> <LF>
,4
dos2unix inputfile
chomp(@e_file);
chomp(@k_file);
s/\s+\z// for @e_file;
s/\s+\z// for @k_file;
Printing array elements at random until all elements have been printed

Printing array elements at random until all elements have been printed


By : Shobb
Date : March 29 2020, 07:55 AM
it fixes the issue I'm trying to create a method that takes in 3 int arrays and prints out one element from each array until all the elements of all three arrays have been printed at least once. The first array has 10 elements, the second has 7, and the third has 2. The elements are selected and printed at random. Any help would be appreciated. The idea is to see how many iterations it would take to print out all the elements at least once. I don't know the conditions to set for a large scale iteration like this. My code so far (with just one array as a parameter): , Solution for one array:
code :
public static int calculate(int a[]){
    Random random = new Random();
    HashSet<Integer> remaining = new HashSet<Integer>();
    for (int i = 0; i < a.length; i++) {
        remaining.add(i);
    }
    int i = 0;
    while (!remaining.isEmpty()) {
        int index = random.nextInt(a.length);
        System.out.print(a[index] + " ");
        remaining.remove(index);
        i++;
    }
    System.out.println();
    System.out.println("Finished after " + i + " iterations.");
    return i;
}
Win8 GridView items are out of bound

Win8 GridView items are out of bound


By : sshort1955
Date : March 29 2020, 07:55 AM
Hope this helps When I'm placing a semantic zoom control with GridView inside my items are falling out of it as on the screenshot. , I solved the issue by adding group style along group header style
code :
<GroupStyle.Panel>
    <ItemsPanelTemplate>
        <VariableSizedWrapGrid Orientation="Vertical" Margin="0,0,10,0"/>
    </ItemsPanelTemplate>
</GroupStyle.Panel>
Why are 2D array elements not printed using *(a+1)?

Why are 2D array elements not printed using *(a+1)?


By : user2257233
Date : March 29 2020, 07:55 AM
should help you out what is *(a+i)? is it a[i]? - ya it is. you can represent a[i] in many forms. those are *(a+i) or *(i+a) or i[a]. All are representing same memory location only.
In your program *(a+i) wont work with in the same function. Try to pass the array to another function and print there that time it will work. Try the following code-
code :
#include<stdio.h>
void print(int *a,int r ,int c)
{
        int i ,j;
        for(i=0;i<r*c;i++)
                printf("%d\n",*(a+i));
}
int main()
{
        int a[2][2];
        int i,j,k,l;
        printf("enter element\n");
        for(i=0;i<2;i++)
        {
                for(j=0;j<2;j++)
                        scanf("%d",&a[i][j]);
        }

        printf("#####################\n"); 

        print(a,2,2); // calling my function here
}
Array elements being printed out in reverse

Array elements being printed out in reverse


By : user3299146
Date : March 29 2020, 07:55 AM
Hope this helps I want to print out all elements from the array to debug my program. , For starters use string literals instead of the character literals
code :
const char *words[10] = {"foo", "bar", "hello", "world"};
for(int i = 0; words[i] != NULL && i < 10; i++) {
        printf("Keywords: %s\n", keyWords[i]);
                                 ^^^^^^^^ 
    }
#include <stdio.h>

int main(void) 
{
    const char *words[10] = {"foo", "bar", "hello", "world"};

    for ( size_t i = 0; words[i] != NULL && i < 10; i++ ) puts( words[i] );

    return 0;
}
foo
bar
hello
world
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