Start Learning to Code
i want to make a 2D fixed size array that is going to be initialized in a for loop. This is the sample code (The Cell struct can not implement Copy or Default trait for some reason): let mut cells: [[…
Why this c-program gives error when I initialize structure members (user.username and user.pin) outside the main function?, But everything becomes fine when I initialize it inside the main function. …
I am a beginner to Java. I read this recently The elements in the array allocated by new will automatically be initialized to zero (for numeric types), false (for boolean), or null (for reference …
I’m currently studying C and I have a question in which I have to guess what values are in the memory. When I say, for example long var1[1243] = {10, 1, 0, -1, -10} and define this vector, the first 5 …
While initializing a const char array, I tried to change the string and I was able to change it without any issue. I was learning how to initialize a const char array. I think I am doing some mistake …
What is the difference between initializing a char array with a string in curly braces and without curly braces? char arr[] = {“string”}; or char arr[] = “string”;
I attempted to initialize char array with NULL like this syntax. char str[5] = NULL; But it returned error.. How can I initialize char array with NULL or 0 in C++? Concretely, I want to print “…
For example, can I do this: int i, number_of_values, variable[i]; printf(“Enter the number of values you would like to insert: n”); scanf(“%d”, &number_of_arrays); for (i=0; i<...
I’m working on a custom type where I have the following requirements: A collection of elements that avoid heap allocation. I am using arrays instead of a Vec. The collection contains non-copyable …
For my program, the user can input a particular n. Depending on that n, I need to create a global array with n buckets of size zero since I need to use this array in other functions + increment the …