arrays Archives - Page 69 of 94

[Solved] Making new array and push there keys on that new array [closed]

September 30, 2022 by Kirat

You can use Object.keys() and .reduce() method: let data = {‘Achievement’: [“110”, “100”, “104”, “110”],’Emp Code’ : [“1000001”, “1000001”, “1000001”, “1000001”],’Product’ :[“Product A “, “Product B”, “Product A “, “Product B”],’Reportee Name’ :[“Harry”, “Harry”, “Peter”, “Peter”],’Target’ : [“116”, “94”, “105”, “114”],’percentage’: [“94.82758621”, “106.3829787”, “99.04761905”, “96.49122807”]}; let result = Object.keys(data) .reduce((a, c, i) => (a[i] = … Read more

[Solved] Want to store “char values” in array (in C language)

September 30, 2022 by Kirat

Array of char data type is called Sting. You can take a string’s input using scanf() and gets(). But if you use scanf(), the string will be input by pressing Space-bar or Enter. But if you use gets(), input will be given only by pressing the Enter key. Example 1: char s[100]; scanf(“%s”, s); Example … Read more

[Solved] Check for a String in an array [closed]

September 30, 2022 by Kirat

Alamofire.request works asynchronously. A function / method which includes an asynchronous call can never have a return value. You need a callback for example func getUsuarios(completion : ([String]) -> Void) { var usuariosDataBase = [String]() Alamofire.request(.GET, url) .responseJSON { response in print(response) do { let json = try NSJSONSerialization.JSONObjectWithData(response.data!, options: .AllowFragments) if let blogs = … Read more

[Solved] Sort out array of object using its value [duplicate]

September 30, 2022 by Kirat

Use String.localeCompare() with the numeric option to sort using possibility, but use – (minus) to get descending results. If the comparison returns 0 (equals), use localeCompare again to compare the names: const array = [{“name”:”fever”,”possibility”:”20%”},{“name”:”hiv”,”possibility”:”25%”},{“name”:”heart-attack”,”possibility”:”20%”},{“name”:”covid”,”possibility”:”40%”}] const result = array.sort((a, b) => -a.possibility.localeCompare(b.possibility, undefined, { numeric: true }) || a.name.localeCompare(b.name) ) console.log(result) solved Sort out array … Read more

[Solved] How to calculate number of repeated elements in a 1D array? [closed]

September 30, 2022 by Kirat

char y[] = { ‘a’, ‘b’, ‘a’, ‘c’ }; int count[52] = {0}; for (int i = 0; i < (sizeof(x) / sizeof(char)); i++) { if (y[i] >= 65 && y[i] <= 90) count[y[i] – ‘A’]++; else if (y[i] >= 97 && y[i] <= 122) count[(y[i] – ‘a’) + 26]++; } for (int i = … Read more

[Solved] Cython interfaced with C++: segmentation fault for large arrays

September 30, 2022 by Kirat

The memory is being managed by your numpy arrays. As soon as they go out of scope (most likely at the end of the PySparse constructor) the arrays cease to exist, and all your pointers are invalid. This applies to both large and small arrays, but presumably you just get lucky with small arrays. You … Read more

[Solved] .forEach() Javascript function is returning an Array?

September 30, 2022 by Kirat

It doesn’t return anything. You can check that by logging the result of the forEach call: var arr = [1, 3, 2]; var arr_temp = []; console.log(arr.forEach(function (i) { return arr_temp.push(i + i); })); // undefined console.log(arr_temp); // 2, 6, 4 3 solved .forEach() Javascript function is returning an Array?

[Solved] Want to sum of values with same property name in object using javascript or jquery [closed]

September 29, 2022 by Kirat

The solution using Array.prototype.reduce, Object.keys and Array.prototype.forEach functions: var allreasonsids = [{reasonid: 1, reasonname: ‘abc’}, {reasonid: 2, reasonname: ‘def’}, {reasonid: 3, reasonname: ‘ghi’}, {reasonid: 4, reasonname: ‘jkl’}], reasonsandcount = [{reasonid: 1, quantity: 5},{reasonid: 2, quantity: 10},{reasonid: 1, quantity: 3},{reasonid: 3, quantity: 4},{reasonid: 1, quantity: 2},{reasonid: 2, quantity: 6}]; // getting sums for grouped `reasonid` items … Read more

[Solved] how can I show the information of a list object

September 29, 2022 by Kirat

This code should work. Use Object.keys and reduce, to map over every value and return the description: const data = { 1: [ {id: 1, description: “teste”, category: 1}, {id: 73, description: “basica tb”, category: 1} ], 2: [ {id: 3, description: “Teoria das ideias”, category: 2} ], 4: [ {id: 5, description: “Mr with … Read more

[Solved] NullPointerException object and arrays

September 29, 2022 by Kirat

The method is lack of a modifier static It should be public static void main(String[] args) {. Change your code of class SearchComparison as follows and you will get the right result. public class SearchComparison { public static void main(String[] args) { StopWatch watch = new StopWatch(); ArrayUtilities utilities = new ArrayUtilities(); watch.start(); utilities.generateRandom(5); watch.stop(); … Read more

[Solved] I’m having trouble creating a function to read in a file [closed]

September 29, 2022 by Kirat

not sure what you want to do with the data once you read it, but this will put each line into a vector. Also note, for this to work your need to change argc…doing this in Xcode you go to product menu, then scheme, edit scheme, click the + and type in the path to … Read more

[Solved] Ranging over map keys of array type and slicing each array gives the same array for each iteration

September 29, 2022 by Kirat

Since the map key type is an array, the assignment: for k,_ := range ans { will rewrite k for every iteration. This will rewrite the contents of the array k. The slice k[:] points to k as the underlying array, so all the slices with k as their underlying array will be overwritten as … Read more

[Solved] Output an array in alphabetical order [closed]

September 29, 2022 by Kirat

You can try $group = array_reduce($data, function($a,$b) { $a[$b[‘surname’]{0}][] = $b; return $a; } ); ksort($group); foreach($group as $id => $data) { printf(“<h4>%s</h4>\n”,$id); foreach($data as $name) { printf(“%s %s\n”,$name[‘name’],$name[‘surname’]); } } Output <h4>B</h4> Bill Buffalo <h4>D</h4> John Doe Mark Doe See Full Demo 1 solved Output an array in alphabetical order [closed]

[Solved] I need to decrease first n elements of an array by 1

September 28, 2022 by Kirat

let’s say n=3 int n =3; for(i = n-1; i >= 0; i–) { array[i]-=1; } Alternatively as @locus2k points out we can also iterate through the array starting at the 0th index as so int n = 3; for(i = 0; i < n; i++) { array[i]-=1; } 2 solved I need to decrease … Read more

[Solved] Give all elements in Class an seperate Id Javascript

September 28, 2022 by Kirat

Just add attribute id using, addImage.id=”Image”+i; or setAttribute(‘id’, “Image”+i) like the following: for(var i=0;i<Images.length;i++){ var addImage = document.createElement(“img”); addImage.className = “cssImages”; addImage.setAttribute(‘src’, Images[i]); addImage.setAttribute(‘id’, “Image”+i); IMGdiv.appendChild(addImage); } 4 solved Give all elements in Class an seperate Id Javascript