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Mastering Development

How to get one random object from multiple arrays with percent chance in Javascript?

Let’s say I have 3 arrays of objects: const fruits = [ {name: "Banana"}, {name: "Apple"}, {name: "Peach"} ] const car = [ {name: "Audi"}, {name: "Bentley"} ] const books = [ {name: "Alice in wonderland"}, {name: "Deep in the dark"}, {name: "Hunting Show"} ] one temporary array where I will store random objects from […]

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Mastering Development

How to call a value from a different ViewContoller? (Swift)

Iv created a quiz app, that tracks the user’s score till the user gets to the end. There is an if statement – when it reaches the end of the quiz, a results View controller pops up. My Question is I want to get the same score value presented at the end on the resultsViewContoller. […]

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Mastering Development

Create dynamic radio buttons in Flutter

I am trying to create a dynamic form which contains some textbox and radio button. I am using RadioListTile for the same. In the below code you can see I am using var nameController = TextEditingController(); to get the value of textbox. I am not sure what can be used for RadioListTile. I am also […]

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Mastering Development

MongoDB/Mongoose: Using $sum to calculate quantity when names are matching

I have some data within a mongodb collection which looks like this: [ { "name" : "Apple", "quantity" : "4", }, { "name" : "Apple", "quantity" : "6", }, { "name" : "Orange", "quantity" : "2", }, { "name" : "Orange", "quantity" : "3", }, ] I am trying to figure out a mongodb query […]

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Mastering Development

How to use Nested Arraylist with recyclerView?

I wanted to populate a nested ArrayList. Below is the JSON response from the server. Now I want sectionName as the headerView and sectionItems as the Child view of that header. So That, this layout will look like categorized items. I have researched the same but couldn’t able to find any easy and efficient solution. […]

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Mastering Development

Onion Ring Chart with nested elements

I’m new to D3.js, but have JS programming experience. I am attempting to create a chart and I have the somewhat scaffolding of what I need (using a standard sunburst chart), but I need each layer to have nested elements within it and am struggling to get my head around what I need to do. […]

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Development Linux

Convert JSON of arrays to CSV with headers using JQ

I am getting Json as column ID and arrays – { “ObjectID”: [ 0, 1, 2, 3, 4 ], “Name”: [ “Apple”, “Orange”, “Grape”, “Banana”, “Jackfruit” ], “Color”: [ “Red”, “Orange”, “Green”, “Yellow”, “null” ], “Acidity”: [ 3.9, 3.5, 2.99, 6, 5.0 ] } I am trying to convert it using jq to to a […]

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Development

Find duplicate objects in array and return new array of object with number of duplicates as a new property

so I have an array of objects that goes for example like this: let arrayOfObjects = [ { Name: “Apple”, Type: “Fruit” }, { Name: “Carrot”, Type: “Vegetable” }, { Name: “Carrot”, Type: “Vegetable” }, { Name: “Carrot”, Type: “Vegetable” }, { Name: “Apple”, Type: “Fruit” }, { Name: “Apple”, Type: “Fruit” }, { Name: […]

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Development JSON

Adding data to JSON object with data from variables and objects

So my goal is to have an object variable that will be empty at the start but as the code starts running it would get filled up with data from other varibales. When it gets filled up it should look like this: { “banana” : { “color” : “yellow”, “calories” : 300 }, “apple” : […]

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Development

What is the best way to do case statement in Ansible?

I am trying to convert my scripts into Ansible for automation. I am stuck in understanding loops or the “with_items” use case. The original bash script: for i in apple banana orange; do case $i in apple) export var=”var.1:apple1,var.2:apple2″ ;; banana) export var=”var.1:banana1,var.2:banana2,var.3:banana3″ ;; orange) export var=”var.1:orange1″ ;; esac echo “$i” What I have tried […]