json

问题 I have the following string: "a,b,c,d" and I want to convert it into a json array, something like this ["a","b","c","d"] is there any MySQL 8 function that can achieve this? 回答1: Try: SELECT CAST( CONCAT('["', REPLACE('a,b,c,d', ',', '","'), '"]') AS JSON ); See dbfiddle. 回答2: select json_array("a,b,c,d"); +-----------------------+ | json_array("a,b,c,d") | +-----------------------+ | ["a,b,c,d"] | +-----------------------+ 来源： https://stackoverflow.com/questions/56958056/mysql-8-split-string

问题 I am trying to parse JSON using JSON_TABLE. Oracle DB version 12.1.0.2 { "Rownum": "1", "Name": "John", "AddressArray":["Address1", "Address2"], "TextObj":[{ "mName" : "Carol", "lName" : "Cena" }, { "mName" : "Mark", "lName" : "Karlo" } ] } Tried with below query but not getting expected result. select * from json_Table( '{ "Rownum": "1", "Name": "John", "AddressArray":["Address1", "Address2"], "TextObj":[{"mName" : "Carol","lName" : "Cena"}, {"mName" : "Mark","lName" : "Karlo"} ] }', '$'

问题 I am encountering a problem displaying json with json_encode. Problem is it gets truncated after a certain point. I'm guessing around 2500 lines. I've read a lot of q&a's in stackoverflow and others suggesting to increase memory limit. I've increased it already to 32m and it still gets truncated furthermore I don't think it's the problem for i've echoed the memory usage and with true i get 3.5mb and with false i get 1.5mb I also tried encoding it by 1000 but up until a certain point it still

问题 I am encountering a problem displaying json with json_encode. Problem is it gets truncated after a certain point. I'm guessing around 2500 lines. I've read a lot of q&a's in stackoverflow and others suggesting to increase memory limit. I've increased it already to 32m and it still gets truncated furthermore I don't think it's the problem for i've echoed the memory usage and with true i get 3.5mb and with false i get 1.5mb I also tried encoding it by 1000 but up until a certain point it still

问题 I have a custom type: [TypeConverter(typeof(FriendlyUrlTypeConverter))] public class FriendlyUrl : IEquatable<FriendlyUrl>, IConvertible { public FriendlyUrl() { _friendlyUrl = string.Empty; } public FriendlyUrl(string value) { value = value.Trim(); if (!FriednlyUrlValidator.Validate(value)) throw new FriendlyUrlValidationException("Invalid value for FrienlyUrl"); _friendlyUrl = value; } public static implicit operator FriendlyUrl(string friendlyUrlValue) { if (friendlyUrlValue != "" &&

问题 I'm using POCO lib to working network. i use JSON data of POCO/JSON . my code: User user(context.marshal_as<std::string>(tbUserName->Text), context.marshal_as<std::string>(tbFullName->Text), context.marshal_as<std::string>(tbDisplayName->Text), context.marshal_as<std::string>(tbEmail->Text), context.marshal_as<std::string>(tbPhoneNumber->Text), context.marshal_as<std::string>(tbNamSinh->Text), context.marshal_as<std::string>(tbPassword->Text), context.marshal_as<std::string>(tbConfirm->Text)

问题 I'm using POCO lib to working network. i use JSON data of POCO/JSON . my code: User user(context.marshal_as<std::string>(tbUserName->Text), context.marshal_as<std::string>(tbFullName->Text), context.marshal_as<std::string>(tbDisplayName->Text), context.marshal_as<std::string>(tbEmail->Text), context.marshal_as<std::string>(tbPhoneNumber->Text), context.marshal_as<std::string>(tbNamSinh->Text), context.marshal_as<std::string>(tbPassword->Text), context.marshal_as<std::string>(tbConfirm->Text)

问题 I'm using POCO lib to working network. i use JSON data of POCO/JSON . my code: User user(context.marshal_as<std::string>(tbUserName->Text), context.marshal_as<std::string>(tbFullName->Text), context.marshal_as<std::string>(tbDisplayName->Text), context.marshal_as<std::string>(tbEmail->Text), context.marshal_as<std::string>(tbPhoneNumber->Text), context.marshal_as<std::string>(tbNamSinh->Text), context.marshal_as<std::string>(tbPassword->Text), context.marshal_as<std::string>(tbConfirm->Text)

问题 Below is my code, I am not sure what i am doing wrong? Ajax json jquery code function FillCity() { var countryid = $("select[name$='.countryid']").val(); //<---- this is dynamic $.ajax({ url: "Controller/FillMyCity", type: "POST", dataType: "json", data: { country: countryid } , success: function (city) { $("select[name$='.cityid']").html(""); // <--- this is dynamic $.each(city, function (i, pp) { $("select[name$='.cityid']").append( $('<option></option>').val(pp.cityid).html(pp.name)); });

问题 I'm trying to create a form in react which will update a JSON file with the values in the form upon submit. (The endgame is that this will create an array of data in the JSON file each time the form is submitted which can then be used to populate a "list" of the submitted results elsewhere in the app) The form itself works OK but every time I press submit I get the error: "TypeError: fs.writeFile is not a function" import React, { Component } from "react"; import { Form, Button } from