Getting ERROR in React JS: SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data?

We are working on Firebase and we want to fetch the firebase data in our react js UI. We have created API for fetching the data in Flask. The flask code is given below firebase = pyrebase.initialize_app(config) db = firebase.database() # Receive data from Firebase RealTime Database @app.route(“/”) def home(): db_events = db.child().get().val() return jsonify(db_events)…

How to set a custom @JsonDeserializer for explicit @RequestBody

I am looking for something like @PostMapping public ResponseEntity<Void> post(@RequestBody @JsonDeserialize(using = MyItemCollectionDeserializer.class) Collection<MyItem> items) { } Unfortunately, MyItemCollectionDeserializer will not be called. I want to specify a custom deserializer only for this particular endpoint (not for all endpoints that use MyItem ) to customize the collection handling.

How to write a MassTransit Json Deserializer on Azure Services

here it is how I am publishing to an object to event grid. I want to be able to use the azure service bus to listen to it. public void Publicar<T>(T model, string operation, string entity) { _nomeEvento = entity + operation; Boolean.TryParse(Configuration[“EventGridConfig:Enabled”], out var eventGridIsActive); if (!eventGridIsActive) return; var primaryTopicKey = Configuration[“EventGridConfig:AcessKey”]; var primaryTopic…

Ruby to_json encode cyrillic into unicode

I have a hash object with cyrilic text like this payload = {‘date’: “30”,’name’: ‘Тест’,’phone’: “71234567890”,’sum’: “0”,’offer_id’: “1”} I need to convert it to json and send to php api service like this {“date”:”30″,”name”:”\u0422\u0435\u0441\u0442″,”offer_id”:”1″,”phone”:”71234567890″,”sum”:”0″} But to_json returns me {“date”:”30″,”name”:”Тест”,”offer_id”:”1″,”phone”:”71234567890″,”sum”:”0″} How do I encode cyrilic into unicode in that case? Do I need to pass options…

NodeJS + Web3 + Infura Ropsten – Error: Invalid JSON RPC response: “”

I have problem with invalid response to ethereum from BE NodeJS app. I got error like: Error: Invalid JSON RPC response: “” Below I’d attached my simple code for testing connection. const Web3 = require(“web3”); const web3 = new Web3(new Web3.providers.HttpProvider(providerUrl)); const contract_web3 = new web3.eth.Contract(abi, contractAddress); console.log(“Config Data: \n”, providerUrl, “\n”, config.privateKey, “\n”, contractAddress);…