I would like to have PostgreSQL return the result of a query as one JSON array. Given create table t (a int primary key, b text); insert into t values (1, ‘value1’); insert into t values (2, ‘value2’); insert into t values (3, ‘value3’); I would like something similar to [{“a”:1,”b”:”value1″},{“a”:2,”b”:”value2″},{“a”:3,”b”:”value3″}] or {“a”:[1,2,3], “b”:[“value1″,”value2″,”value3”]} (actually … Read more
I wish to use the “encoding/json” package to marshal a struct declared in one of the imported packages of my application. Eg.: type T struct { Foo int } Because it is imported, all available (exported) fields in the struct begins with an upper case letter. But I wish to have lower case key names: … Read more
A REST API can have arguments in several places: In the request body – As part of a json body, or other MIME type In the query string – e.g. /api/resource?p1=v1&p2=v2 As part of the URL-path – e.g. /api/resource/v1/v2 What are the best practices and considerations of choosing between 1 and 2 above? 2 vs … Read more
In my Ruby on Rails application I tried to upload an image through the POSTMAN REST client in Base64 format. When I POST the image I am getting a 406 Not Acceptable Response. When I checked my database, the image was there and was successfully saved. What is the reason for this error, is there … Read more
I have a simple actionmethod, that returns some json. It runs on ajax.example.com. I need to access this from another site someothersite.com. If I try to call it, I get the expected…: Origin http://someothersite.com is not allowed by Access-Control-Allow-Origin. I know of two ways to get around this: JSONP and creating a custom HttpHandler to … Read more
I want to make one function in my swift project that converts String to Dictionary json format but I got one error: Cannot convert expression’s type (@lvalue NSData,options:IntegerLitralConvertible … This is my code: func convertStringToDictionary (text:String) -> Dictionary<String,String> { var data :NSData = text.dataUsingEncoding(NSUTF8StringEncoding)! var json :Dictionary = NSJSONSerialization.JSONObjectWithData(data, options:0, error: nil) return json } … Read more
From what I can read on json.org, all JSON strings should start with { (curly brace), and [ characters (square brackets) represent an array element in JSON. I use the json4j library, and I got an input that starts with [, so I didn’t think this was valid JSON. I looked briefly at the JSON … Read more
What is the difference between request.ContentType = “application/json; charset=utf-8”; and request.ContentType = “application/x-www-form-urlencoded”; 3 Answers 3
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 5 years ago. Improve this question We have this json schema draft. … Read more
I have seen the terms “deserialize” and “serialize” with JSON. What do they mean? 3 Answers 3
