Advertisements How would you extract every value of a key regardless of how deep or shallow it is in an array. Here is a sample JSON array. I want to grab every occurrence of "content" and concatenate them into a single string. { "foo": [ "content": "hi", "inner": [] ], "bar": [ "content": "hi2", "inner":… Read More PHP Get the value of every occurrence of a key in a multidimensional array

Advertisements i need some help to change multi-dimentional array of this data : const dataArr: any[] = [ { id: 1, orders: [{ id: 1, order_name: "john Doe" }], product: { id: 1, name: "Plate", price: "7", }, location: { id: 30475986, name: "store_1", }, serial_no: "223311", qty: 1, }, { id: 2, orders: [{… Read More Javascript multi-dimentional array

Advertisements How can I apply a function over last two dimensions? E.g. I generated an array below of (2,3,3) dimensions, the resulting array should have the same dimenstions where the function is apply to a[0,:,:] and a[1,:,:]. I understand I can go with a for loop, but might there be an in-built function specially for… Read More Apply a function over last two dimensions

Advertisements Typical noob disclaimer goes here 😉 I am trying to nest an array in a Swift dictionary similar to how you would with JSON. My nested array ("blocks" in the code below) has mixed datatypes in it. When I run my For-in loop on it, I get the error For-in loop requires ‘Any’ to… Read More Looping through Arrays in Dictionaries

Advertisements I have two numpy arrays x and y with shapes (m,n,p) and m respectively. For all indices i between 0 and m-1, I want to multiply every element in the block x[i,:,:] by y[i]. How can I achieve this in a single line? Related question: How to multiply numpy 1D with N-D array? >Solution… Read More Multiplying n-D and 1-D numpy arrays along common dimension

Advertisements At the current moment, I am trying to combine an array of titles with a corresponding ID number (in String format) into a larger array as such: import numpy as np titles = np.array([‘title1’, ‘title2’, ‘title3’]) IDs = np.array([‘1543’, ‘1231’, ‘1551’]) newOutput = combinepseudocode(titles, IDs) newOutput = [[‘title1’, ‘1543’], [‘title2’, ‘1231’], [‘title3’, ‘1551’]] When… Read More Join 2 1-dimensional numpy string arrays into a larger 2 dimensional array

Advertisements O haver a doubt about multi-dimensional arrays and pointers notation, as bellow. arr[2][4] = {{1,2,3,4}, {5,6,7,8}}; printf("%d\n", (arr+1)); printf("%d\n", *(arr+1)); Why in the both printf(), the result printed in the screen is the same? Both bring the address of the second array inside of the arr. The first one I understand because arr is… Read More Why *(arr+1) brings the same value as arr+1 in multi-dimensional arrays?

Advertisements How would I create an m×n 2d array in JavaScript or TypeScript? Of course, I could create a 2×3 array with: arr = [[0, 0], [0, 0]] But the dimensions are given to me in variables m and n. So I can do the following: arr = new Array(m).fill(new Array(n).fill(0)) But the rows are… Read More Create arbitrary size JavaScript/TypeScript 2d array in one line

Advertisements From this javascript array var test = [0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1]; How can I do to get the result as displayed below. Thank you. test = [[0],1,[0],1,1,1,[0,0],1,[0,0,0,0],1]; I have tried in many ways but I can’t find a solution >Solution : Here you go:… Read More How do I transform certain array elements into sub-arrays using JavaScript?

Advertisements I have a 2D array like this: [["Hello", "World"], ["How", "are", "you?"], ["Bye" "World"]] And I would like it to be put into a text file like this: Hello World How are you? Bye World I have no idea how to do this, please can someone help. >Solution : Is this what you are… Read More Writing a multidimensional array to a text file as plain text with python