Do jagged arrays exist in C/C++?
In C I would use an array of pointers. For instance: int *jagged[5]; jagged[0] = malloc(sizeof(int) * 10); jagged[1] = malloc(sizeof(int) * 3); etc etc.
jagged-arrays
How to get a dimension (slice) from a multidimensional array
No. You could of course write a wrapper class that represents a slice, and has an indexer internally – but nothing inbuilt. The other approach would be to write a method that makes a copy of a slice and hands back a vector – it depends whether you want a copy or not. using System; … Read more
Differences between a multidimensional array “[,]” and an array of arrays “[][]” in C#?
Array of arrays (jagged arrays) are faster than multi-dimensional arrays and can be used more effectively. Multidimensional arrays have nicer syntax. If you write some simple code using jagged and multidimensional arrays and then inspect the compiled assembly with an IL disassembler you will see that the storage and retrieval from jagged (or single dimensional) … Read more
What is a jagged array?
A jagged array is an array of arrays. string[][] arrays = new string[5][]; That’s a collection of five different string arrays, each could be a different length (they could also be the same length, but the point is there is no guarantee that they are). arrays[0] = new string[5]; arrays[1] = new string[100]; … This … Read more
How can I declare a two dimensional string array?
string[,] Tablero = new string[3,3]; You can also instantiate it in the same line with array initializer syntax as follows: string[,] Tablero = new string[3, 3] {{“a”,”b”,”c”}, {“d”,”e”,”f”}, {“g”,”h”,”i”} };
Using lodash to compare jagged arrays (items existence without order)
If you sort the outer array, you can use _.isEqual() since the inner array is already sorted. var array1 = [[‘a’, ‘b’], [‘b’, ‘c’]]; var array2 = [[‘b’, ‘c’], [‘a’, ‘b’]]; _.isEqual(array1.sort(), array2.sort()); //true Note that .sort() will mutate the arrays. If that’s a problem for you, make a copy first using (for example) .slice() … Read more
What are the differences between a multidimensional array and an array of arrays in C#?
Array of arrays (jagged arrays) are faster than multi-dimensional arrays and can be used more effectively. Multidimensional arrays have nicer syntax. If you write some simple code using jagged and multidimensional arrays and then inspect the compiled assembly with an IL disassembler you will see that the storage and retrieval from jagged (or single dimensional) … Read more