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Mastering Development

flutter problem in json parsing of dynamic key values

Following is the output of my JSON { "success": true, "data": { "ones": [{ "id": "2", "username": "LM10002" }, { "id": "6", "username": "LM10006" } ], "twos": [{ "id": "3", "username": "LM10003" }, { "id": "8", "username": "LM10008" } ], "threes": [{ "id": "4", "username": "LM10004" }], "fours": [{ "id": "5", "username": "LM10005" }, { […]

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Mastering Development

Pass the data model from one view controller to another view cntroller

I have a data json response as follows: { "$id": "1", "message": "Successfull", "mountingList": [ { "$id": "2", "settingId": 2683991, "vendorId": "2906", "name": "ENGAGEMENT RINGS FANCY SHAPE BAGUETTE REMOUNTS", "imageUrl": "https://www.gemfind.net/jewelryimages/2906/media/productimages/82754.jpg", "cost": 2449.0, "centerStoneMinCarat": "0.86", "centerStoneMaxCarat": "1.14", "originalCost": "", "mainImageURL": "https://www.gemfind.net/jewelryimages/2906/media/productimages/82754.jpg", "roundImageURL": "", "asscherImageURL": "", "emeraldImageURL": "", "radiantImageURL": "", "cushionImageURL": "", "marquiseImageURL": "", "ovalImageURL": "", […]

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Mastering Development

Toss players in unique combinations

var players = [ { id: 1, name : ‘player1’}, { id: 2, name : ‘player2’}, { id: 3, name : ‘player3’}, { id: 4, name : ‘player4’}, { id: 5, name : ‘player5’}, { id: 6, name : ‘player6’}, { id: 7, name : ‘player7’}, { id: 8, name : ‘player8’}, { id: 9, […]

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Mastering Development

How to filter multiple properties of a parent child array which could be several tree level deep

TL;DR; To make it simple, how can I filter multiple properties of a parent child array which could be several tree level deep. This is for an Open Source datagrid lib used by several hundred users. So I have an array of parent/children references, the children can also have children themselves and so on, there’s […]

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Mastering Development

How to group array of objects by object propery value? [duplicate]

I have JSON like this: [ { “id”: 9, “job_id”: 302, “user_id”: 63, “message”: “User message 1”, “created_at”: 1584091342 }, { “id”: 10, “job_id”: 302, “user_id”: 63, “message”: “User message 2”, “created_at”: 1584095994 }, { “id”: 14, “job_id”: 302, “user_id”: 63, “message”: “Hello”, “created_at”: 1584102257 }, ] How to group messages by date, something like […]

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Development

Flutter FirebaseAnimatedList query is not working properly

I tried to fetch some data from the firebase realtime database using a FirebaseAnimatedList() using a search query which should be query : ref.child(“users”).child(userPath).orderByChild(“id”).equalTo(userID) but instead of that query works without second child like thisquery : ref.child(“users”).orderByChild(“id”).equalTo(userID) And it seems like when data is passed .equalTo(userID) if passed userID is not found in the database […]

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Development

React js Fetch JSON api

How to read this type json format in reacts js { “status”: “success”, “data”: [{ “id”: “1”, “employee_name”: “Tiger Nixon”, “employee_salary”: “320800”, “employee_age”: “61”, “profile_image”: “” }, { “id”: “2”, “employee_name”: “Garrett Winters”, “employee_salary”: “170750”, “employee_age”: “63”, “profile_image”: “” }, { “id”: “3”, “employee_name”: “Ashton Cox”, “employee_salary”: “86000”, “employee_age”: “66”, “profile_image”: “” }, { “id”: […]

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Development

D3.js Chord Diagram: Avoid overlapping of adjacent (non-crossing) chords

I am developing a D3.js chord diagram to visualize people flows between different areas of an airport. When clicking an an area’s outer arch, only the chords running to that arch are shown. I am now getting to the fine touches of it and am lacking any clues on how to approach one design problem. […]

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Development

Deserialize json in adonis

i have this two arrays of objects: bookUnitIdInformacoes [ { “id”: 5, “book_id”: 33, “unit”: 1, “sequence”: 1, “description”: “UNIT_01_GRAMMAR”, “qt_question”: 5, “status”: false, “user_id”: 1, “created_at”: “2019-12-27 08:11:21”, “updated_at”: “2019-12-30 14:54:12”, “miniature”: null }, { “id”: 6, “book_id”: 33, “unit”: 1, “sequence”: 2, “description”: “UNIT_01_VOCABULARY”, “qt_question”: 5, “status”: false, “user_id”: 1, “created_at”: “2019-12-27 08:11:39”, […]

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Development JSON

Binding JSON data to TableView and CollectionView

I am trying to create a table view with a collection view in each cell. My JSON structure is like Main Menu title for the tv cell and in each main object, I receive a submenu, whose data I want to use in the collection view. The issue I am facing is in using indexes […]