Categories
Mastering Development

How to move the data that I have called from the Firebase real-time database, in a listview to another activity in android studio?

So, I have a simple listview application. When I click an item, it will send the data to the next activity using Bundle. In the first time, I use this JSON structure "teacher": [ { "name": "Carl", "age": "40" }, { "name": "Johnson", "age": "44" } ], And this is my Java code: Query query […]

Categories
Database Development

MongoDB Aggregate Poor Index Usage

I’ve been trying to understand the MongoDB Aggregate process so I can better optimize my queries and I’m confused by usage and $match and $sort together. Sample DB has only one collection people [{ "name": "Joe Smith", "age": 40, "admin": false }, { "name": "Jen Ford", "age": 45, "admin": true }, { "name": "Steve Nash", […]

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Mastering Development

How to convert one field in a multidimensional array to lowercase?

For example if I have a multidimensional array like this: const coWorkers = [ { name: "Jack", age: 40, resident_state: "Wyoming" }, { name: "Mary", age: 30, resident_state: "New Jersey" }, { name: "Kate", age: 20, resident_state: "Florida" }, { name: "Gerome", age: 50, resident_state: "Texas" }, ]; and I want to create a function […]

Categories
Mastering Development

Unable to convert JavaScript object into JavaScript array

Here is a JavaScript object format file. You can consider this as a input file Input = { establishments: [ { name: "Apollo", doctors: [ { id: 1, name: "Dr. Akshay Prabhu", age: 30, is_enabled: true, }, { id: 2, name: "Dr. Neetu", age: 40, is_enabled: false, }, ], }, { name: "Fortis", doctors: [ […]

Categories
Mastering Development

Array.sort(myCustomAlg) not working, please help. JavaScript [closed]

My data list i got from text files as u can see in funkcion -> readUsersFromSpace not work with array.sort(). For test I made new let = People with some data, and its work perfect with that sort funkcion -> dynamicSort. Can please help me why not working on listData? let listData = new Array(); […]

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Mastering Development

Groovy GroupBy Variable KeySet

I am struggling with using groovy groupBy I need to support grouping a dataset by a variable key set. I have written a test to explain my predicament, and would love some help understanding how to implement it: https://groovyconsole.appspot.com/script/5155615986941952 List<Map> people = [ [ Sex: “Male”, Age: 30, Job: “Programmer”, Name: “Boris” ], [ Sex: […]

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Mastering Development

Lodash: Fail to filter by custom predicate consist of both match property and function

lodash _.filter allows filtering by both match property and match function. Given below data var users = [ { ‘user’: ‘barney’, ‘age’: 36, ‘active’: true }, { ‘user’: ‘fred’, ‘age’: 40, ‘active’: false } ]; By match property, I mean _.filter(users, { ‘age’: 36, ‘active’: true }); // => objects for [‘barney’] By match function, […]

Categories
ASP.NET Development

F# record with option field doesn’t deserialize properly in Asp.Net WebApi 2.x app

I have a C# Asp.Net MVC (5.2.7) app with support for WebApi 2.x targeting .Net 4.5.1. I am experimenting with F# and I added an F# library project to the solution. The web app references the F# library. Now, I want to be able to have the C# WebApi controller return F# objects and also […]

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Development

d3 beeswarm chart – modify to pyramid-shaped stacking

I have made considerable progress in replicating the visual seen here. I’ll also include the picture here for extra convenience: From my code snippet you will see that I have all the trappings of that visual except for the pyramid style stacking. var margins = {top:20, bottom:300, left:30, right:100}; var height = 150; var width […]

Categories
Development JSON

How to make dictionary data in json format in python

I am new in python and tried to understand the working with dictionaries operations but stuck in between. I have data like below: [{‘mesure’:’10’, ‘name’: ‘mumbai’, ‘age’: ’15’, ‘class’:’kg1′}, {‘mesure’:’20’, ‘name’: ‘hyd’, ‘age’: ’20’, ‘class’:’kg2′},{‘mesure’:’11’, ‘name’: ‘mumbai’, ‘age’: ‘145’, ‘class’:’kg6′}, {‘mesure’:’21’, ‘name’: ‘hyd’, ‘age’: ’20’, ‘class’:’kg2′}, {‘mesure’:’40’, ‘name’: ‘pune’, ‘age’: ’30’, ‘class’:’kg4′}, {‘mesure’:’30’, ‘name’: ‘chennai’, […]