equals vs Arrays.equals in Java - Stack Overflow
Jan 9, 2020 · When comparing arrays in Java, are there any differences between the following 2 statements? Object[] array1, array2; array1.equals(array2); Arrays.equals(array1, array2); And if so, …
How do I use arrays in C++? - Stack Overflow
150 Programmers often confuse multidimensional arrays with arrays of pointers. Multidimensional arrays Most programmers are familiar with named multidimensional arrays, but many are unaware of the …
How do I declare and initialize an array in Java? - Stack Overflow
Jul 29, 2009 · You can either use array declaration or array literal (but only when you declare and affect the variable right away, array literals cannot be used for re-assigning an array). For primitive types:
How do I concatenate two arrays in C#? - Stack Overflow
Oct 10, 2009 · If I alter the test arrays to two sequences from 0 to 99 then I get results similar to this, Concat took 45945ms CopyTo took 2230ms BlockCopy took 1689ms From these results I can assert …
Arrays vs Vectors: Introductory Similarities and Differences
Feb 26, 2013 · Arrays contain a specific number of elements of a particular type. So that the compiler can reserve the required amount of space when the program is compiled, you must specify the type …
Using NumPy to build an array of all combinations of two arrays
My function takes float values given in a 6-dim NumPy array as input. What I tried to do initially was this: First, I created a function that takes two arrays and generate an array with all combinations of values …
Converting array to list in Java - Stack Overflow
How do I convert an array to a list in Java? I used the Arrays.asList() but the behavior (and signature) somehow changed from Java SE 1.4.2 (docs now in archive) to 8 and most snippets I found on t...
How to merge two arrays in JavaScript and de-duplicate items
Oct 18, 2009 · var array3 = ["Vijendra","Singh","Shakya"]; The output array should have repeated words removed. How do I merge two arrays in JavaScript so that I get only the unique items from each …
How to compare arrays in JavaScript? - Stack Overflow
Oct 20, 2011 · I'd like to compare two arrays... ideally, efficiently. Nothing fancy, just true if they are identical, and false if not. Not surprisingly, the comparison operator doesn't seem to work. var a1 = [...
How to make an array of arrays in Java - Stack Overflow
Arrays are cumbersome, in most cases you are better off using the Collection API. With Collections, you can add and remove elements and there are specialized Collections for different functionality (index …