object

[Solved] Turn json object value become a key and value in javascript [closed]

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You can use Object.fromEntries(): const obj = [ { “configSlug”: “receiptStoreName”, “configContent”: “The Store Name” }, { “configSlug”: “receiptStoreAddress”, “configContent”: “Cattle Street” }, { “configSlug”: “receiptStorePhone”, “configContent”: “01 123234” }, { “configSlug”: “receiptStoreFoot1”, “configContent”: “Thanks For Visiting” } ]; const result = Object.fromEntries(obj.map(entry => [entry.configSlug, entry.configContent])); console.log(result); Or you can use a simple loop: const … Read more

[Solved] How to make an object into text in js

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Make some kind of lookup function var lookup = (function (o) { return function lookup() { var i, e = o, s=””; for (i = 0; i < arguments.length; ++i) { s += “https://stackoverflow.com/” + arguments[i]; if (!e.hasOwnProperty(arguments[i])) throw “PathNotFoundError: ” + s; e = e[arguments[i]]; } return {path: s, value: e}; } }(obj)); And … Read more

[Solved] Initializing objects in Java without declaring a class or using a class

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Java is statically typed so you can’t point a variable to an instantiated object without declaring the class. You can create classes without a pointer but they will just be collected by the garbage collection machine unless you’re passing them to something that uses the new object you’re creating. This is nothing in Java: myObject … Read more

[Solved] Pick data from array of objects and return new object

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This really is a simple one liner via map and delete or map and ES6 destructuring as shown in the 2 examples bellow: var data = [{ “first”: “Linda”, “last”: “Donson”, “salary”: “4000USD” }, { “first”: “Mark”, “last”: “Sullivan”, “salary”: “3500USD” } ] console.log(data.map(x => delete(x.salary) && x)) Also if you are concerned about mutating … Read more

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

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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] NullPointerException object and arrays

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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] Arrays to objects

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Some diversity of approaches (admittedly esoteric, but fun!): function firstAndLast(a, o){ return !(o = {}, o[a.shift()] = a.pop()) || o; } console.log(firstAndLast([1,2,3,4,5])); console.log(firstAndLast([‘a’,’to’,’z’])); https://jsfiddle.net/brtsbLp1/ And, of course: function firstAndLast(a, o){ return !(o = o || {}, o[a.shift()] = a.pop()) || o; } console.log(firstAndLast([‘a’,’to’,’z’])); console.log(firstAndLast([‘a’,’to’,’z’], {a:’nother’,obj:’ect’})); https://jsfiddle.net/brtsbLp1/1/ Another fun one: function firstAndLast(a){ return JSON.parse(‘{“‘+a.shift()+'”:”‘+a.pop()+'”}’); } https://jsfiddle.net/brtsbLp1/2/ … Read more

[Solved] How can we assign variable values to a overload constructor separately(not at Initialization) in Cpp?

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You should not attempt to call constructors or destructors explicitly. Assign a new value to the object in the array, like you would with ints or anything else: st[i] = Student(Name_i, id_i); And remove st[i].~Student(); 0 solved How can we assign variable values to a overload constructor separately(not at Initialization) in Cpp?