json

问题 I'm new to Node.js. I already have a frontend javascript script that uses an API and gets weather data like so: function getTextWeatherUsingStation(theStation){ theURL = 'https://api.weather.gov/stations/' + theStation + '/observations/current'; // return new Promise((resolve, reject) => { $.getJSON(theURL,function(data){ var myJSON = JSON.stringify(data) I read that you can't just use a library as is. I converted it over to a Node.js friendly file by wrapping it in module.exports = { and

问题 I have this json: { "stuff": [ { "type":"car", "object":{ "a":66, "b":66, "c":66 }}, { "type":"house", "object":{ "d":66, "e":66, "f":66 }}, { "type":"car", "object":{ "a":66, "b":66, "c":66 }} ]} As you can see for " car " and " house " there are different "object" structs, but both under the tag "object". It would be ideal if one ended up with something like struct StuffItem: Decodable { let type: TheType let car: Car let house: House } Is there some Codable, swifty, way to handle this? 回答1

问题 A very strange behavior. When I just print the System.out.println(jsonStringObject); it prints the JSON properly and well, but when I use Jackson's API, namely new ObjectMapper().readTree(jsonStringObject); it incorporates some random spaces. 回答1: A very strange behavior. Indeed. But see what the JsonNode class documentation says about the toString() method: Method that will produce developer-readable representation of the node; which may or may not be as valid JSON. If you want valid JSON

问题 I am trying to create json with spring boot. class: public class Person { private String name; private PersonDetails details; // getters and setters... } impletentation: Person person = new Person(); person.setName("Apple"); person.setDetails(new PersonDetails()); So there is a instance of Person with empty details and this is exactly what Jackson is returning: "person": { "name": "Apple", "details": {} } I want to have json without empty brackets {} : "person": { "name": "Apple" } This

问题 I am trying to flatten a nested JSON file from within R, Here is my current code library(jsonlite) json_file <- "json file" json_data = fromJSON(json_file, flatten = FALSE) flat_data = as.data.frame(json_data) However i am getting the below error flat_data = as.data.frame(json_data) Error in (function (..., row.names = NULL, check.rows = FALSE, check.names = TRUE, : arguments imply differing number of rows: 1, 13, 3201 Here is a sample of my JSON structure { "RIDE":{ "STARTTIME":"2020\/01\/05

问题 I am trying to flatten a nested JSON file from within R, Here is my current code library(jsonlite) json_file <- "json file" json_data = fromJSON(json_file, flatten = FALSE) flat_data = as.data.frame(json_data) However i am getting the below error flat_data = as.data.frame(json_data) Error in (function (..., row.names = NULL, check.rows = FALSE, check.names = TRUE, : arguments imply differing number of rows: 1, 13, 3201 Here is a sample of my JSON structure { "RIDE":{ "STARTTIME":"2020\/01\/05

问题 I'd like to convert a large JSON object to string using the JSON.stringify , but due to the size of the object I got an error of <--- Last few GCs ---> [20817:0x2cc2830] 295727 ms: Scavenge 1335.8 (1423.9) -> 1335.6 (1427.9) MB, 7.7 / 0.0 ms (average mu = 0.255, current mu = 0.170) allocation failure [20817:0x2cc2830] 295966 ms: Mark-sweep 1339.5 (1427.9) -> 1339.3 (1422.9) MB, 227.1 / 0.0 ms (average mu = 0.272, current mu = 0.291) allocation failure scavenge might not succeed [20817

问题 This question already has answers here : Push is overwriting previous data in array (3 answers) Closed 2 years ago . For few hours now I been trying to hack this but I really cant seem to succeed. I am trying to create a JSON string as below, but when passing the values of the variable obj to variable j I am getting an array of only the last result of that loop. instead of getting results such as: [{machine: "hi"...} {machine: "2"....}] I am getting: [{machine: "2"...} {machine: "2".... and

问题 I'm trying to transfer Firebase RealtimeDB data into Google Sheets using AppScript. I need a way to extract ID, Department, and Surname strings from the DB while it is received as such from the Logs below. I use .childByAutoID() which has the following effect on the DB. My database: Desired result in spreadsheet: function writeSheets() { var firebaseUrl = "<my-database>.firebaseio.com/Attendees"; var base = FirebaseApp.getDatabaseByUrl(firebaseUrl); var data = base.getData(); console.log(JSON

问题 I have json that looks like this, the key "123" could be any number. { "key1": "", "key2": { "items": { "123": { "pageid": 123, "name": "data" } } } } I want to deserialize or query the json with System.Text.Json so i can get the value of the key "name". How can I do that with System.Text.Json? I'm using .NET Core 3.1. 回答1: Something like: public class Rootobject { public string key1 { get; set; } public InnerObject key2 { get; set; } } public class InnerObject { public Dictionary<string,