dictionary Questions

Firebase – Flutter: type 'List<dynamic>' is not a subtype of type 'Map<String, dynamic>' in type cast

July 23, 2022
Ruder Buster
2 Answers

Im trying to make a list ti json for firestore, and have the following code: static Map<String, dynamic> toJson(Message? message) => { 'id': message?.id, 'senderId': message?.senderId, 'receiverId': message?.receiverId, 'message': message?.message, 'dateTime': message?.dateTime, 'timeString': message?.timeString, 'likes': message?.likes, 'chatId': message?.chatId, 'commentCount': message?.commentCount,…

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How to get indexes of duplicates by parameters with O(n) in Swift? – Ios swift

June 17, 2022
Hlony
2 Answers

I need to find duplicates by rounded coordinates and store the indices, then remove elements from the original array by these indices. How can I do this with O(n) ? func removeDuplicate(from points: [Point]) -> [Point] { var originalPoints: [Point]…

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MongoDb filter on map with $gte and $lte on two different dates

I need to filter my documents with dates. My documents contain an array of object with a startDate and an endDate fields like this : [ { "key": 1, "dates": [ { "id": 1, "startDate": "20220512", "endDate": "20220517" }, {…

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How to loop over json array from facebook graph API

May 20, 2022
Fakhr Ali
2 Answers

How can I loop over a json array that looks like the one below, using python? { "insights": { "data": [ { "name": "page_impressions", "period": "day", "values": [ { "value": 14, "end_time": "2022-05-16T07:00:00+0000" }, { "value": 17, "end_time": "2022-05-17T07:00:00+0000" }…

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how to populate array of dictionary values to tableview?-swift – Ios swift

May 20, 2022
NSP
2 Answers

I have a multidimensional array var sectionArray = [ ["sectionName":"Time","sectionData":[["fname":"true detective","date":"may 20"],["fname":"abbas","date":"may 10"]],"expanaded":false],["sectionName":"Message","sectionData":[["movie":"true","event":"Bring food"]] from this array I have to get fname keys value where fname is the value of the key sectionData.how will I achieve that? I have to…

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Flatten list of dictionaries in dataframe

April 29, 2022
Ahmet Buğra BUĞA
2 Answers

I'm getting data with Facebook Insights API and there are nested columns in the data I get. I tried separating them by index but failed. column I want to split: [{'action_type': 'link_click', 'value': '1'}, {'action_type': 'video_view', 'value': '1'}] the state…

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How to check if a list in a dictionary has duplicates in C#? – Asp.net

April 12, 2022
Nour
2 Answers

I have a dictionary Dictionary<Enum, List<string>> test = new(); I would like to check if the value (List) of this dictionary has duplicates on a specific key. Dictionary[Key1] = [x, x, y, z] --> this should return that the list…

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Delete key/value from a dictionary Json – Telegram API

April 10, 2022
Mauro Sumino
2 Answers

In a simple Telegram bot with Telebot I have a dictionary in json format (parole.json). I'm trying a function that allows me to delete an entry (key value pair) from the dictionary and I used this code example found right…

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Flatten an array of dictionaries to one dictionary – Ios swift

April 5, 2022
Vaisakh KP
2 Answers

I am having an array of dictionaries with columnId and columnValue as a pair. Now i need to flatten it as columnId as the key and columnValue as the value of it. How is it possible to do with swift…

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Redis – Java Merge 2 HashMap without null values

April 5, 2022
Kévin
3 Answers

I know that this question has been already posted. But after many days searching a solution, i can't find one.. I have two objects, which are converted to HashMap. Once these HashMap I need to merge object 1 into object…

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