In javascript a Map allows uniquely retrieving a "value" based on a single associated "key" - like so: let m = new Map(); m.set('a', 'my value'); let v = m.get('a'); // v === 'my value' How can we implement a…
I have automated identification system (AIS) data as nested dictionaries in a pandas dataframe. Here is an example: dfAIS Out[18]: Message ... MetaData 0 {'ShipStaticData': {'AisVersion': 1, 'CallSign... ... {'MMSI': 255814000, 'MMSI_String': 255814000, ... 1 {'MultiSlotBinaryMessage': {'ApplicationID': {... ... {'MMSI':…
This is my html file : function showMovies(){ const movies = [ {title: 'a nice movie', year: 2020, rating: 4.5}, {title: 'another nice movie', year: 2021, rating: 4.8}, {title: 'just another movie', year: 2022, rating: 4.2} ]; let html ="";…
How can I get the top 5 keys with the highest values from a JSON using JSONata? Let's say I have something like this. They keys aren't alphabetically ordered, but the values are descending and I want to only show…
What I want is to make a JSON that looks like this. { "filelist": [ { "filename": "file1.txt", "oof": 0 }, { "filename": "file2.txt", "oof": 0 }, { "filename": "file3.txt", "oof": 0 } ] } What I did was: for…
i am trying to print only the "s" & "t" values from the dictionary of app_locate using the input_list list of ['s' , 't'] but i get the whole list of app_locate instead. user_input = 'st' input_list = list(user_input) app_locate…
How can I define a map where each key has a certain type assigned ? This is the type def: type Data = { articles: Article[], comments: Comment[], ... } And the map def has to accept only keys from…
Javascript Map()s compare object keys by identity, which means Map<[number, number], any> is a bad idea: const map = new Map(); const coordinates = [1, 3]; map.set(coordinates, 0); map.get([1, 3]); # undefined To avoid this, we commonly see keys set…
I'm Trying to get the "5. adjusted close" data from this json file for each of the time periods. { "Meta Data": { "1. Information": "Monthly Adjusted Prices and Volumes", "2. Symbol": "IBM", "3. Last Refreshed": "2024-02-22", "4. Time Zone":…
How can I make LINE #1 to work? Cookie function GetBrandData() { var jsonData = ""; useEffect(() => { async function getData5() { const response = await fetch(variables.API_URL); jsonData = await response.json(); alert(JSON.stringify({ jsonData })); /* The line above shows…