Newest 'arrays' Questions - Stack Overflow
I'm using structured arrays to store atoms data produced by LAMMPS (I'm using a structured array that follows its format). I need to rotate the positions: import numpy as np transform = …
How to merge two arrays in JavaScript and de-duplicate items
Oct 18, 2009 · Here is a slightly different take on the loop. With some of the optimizations in the latest version of Chrome, it is the fastest method for resolving the union of the two arrays …
What's the simplest way to print a Java array? - Stack Overflow
Since Java 5 you can use Arrays.toString(arr) or Arrays.deepToString(arr) for arrays within arrays. Note that the Object[] version calls .toString() on each object in the array. The output is even …
Passing an array as an argument to a function in C
Jul 4, 2011 · Arrays in C are converted, in most of the cases, to a pointer to the first element of the array itself. And more in detail arrays passed into functions are always converted into pointers. …
How do I declare an array in Python? - Stack Overflow
Oct 3, 2009 · @AndersonGreen As I said there's no such thing as a variable declaration in Python. You would create a multidimensional list by taking an empty list and putting other lists …
Python numpy array of numpy arrays - Stack Overflow
Never append to numpy arrays in a loop: it is the one operation that NumPy is very bad at compared with basic Python. This is because you are making a full copy of the data each …
equals vs Arrays.equals in Java - Stack Overflow
Jan 9, 2020 · But that logic doesn't apply to arrays. Arrays have data, and you expect comparison (via equals) to compare the data. Ideally, the way Arrays.deepEquals does, but at least the …
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 …
Array versus List<T>: When to use which? - Stack Overflow
Jan 12, 2009 · Lists in .NET are wrappers over arrays, and use an array internally. The time complexity of operations on lists is the same as would be with arrays, however there is a little …
How do I make a JSON object with multiple arrays?
Dec 30, 2016 · The JSON data is an object (basically an associative array). Indexed arrays use square brackets, [0,1,2], while associative arrays use curly braces, {x:1,y:2,z:3}. Any of the …