Modern era update, as stated by mimoralea: In case that you are using ruby 2.0 or 2.2 (thanks @patrick-davey). sudo apt-get install ruby2.0-dev sudo apt-get install ruby2.2-dev sudo apt-get install ruby2.3-dev or, generic way: sudo apt-get install ruby-dev or sudo apt-get install ruby`ruby -e ‘puts RUBY_VERSION[/\d+\.\d+/]’`-dev The first link you’ve posted is exactly your case: … Read more
In this document Google JSON Style Guide (recommendations for building JSON APIs at Google), It recommends that: Property names must be camelCased, ASCII strings. The first character must be a letter, an underscore (_), or a dollar sign ($). Example: { “thisPropertyIsAnIdentifier”: “identifier value” } My team consistently follows this convention when building REST APIs. … Read more
JSON.stringify‘s third parameter defines white-space insertion for pretty-printing. It can be a string or a number (number of spaces). Node can write to your filesystem with fs. Example: var fs = require(‘fs’); fs.writeFile(‘test.json’, JSON.stringify({ a:1, b:2, c:3 }, null, 4)); /* test.json: { “a”: 1, “b”: 2, “c”: 3, } */ See the JSON.stringify() docs … Read more
JSON (JavaScript Object Notation) is a lightweight format that is used for data interchanging. It is based on a subset of JavaScript language (the way objects are built in JavaScript). As stated in the MDN, some JavaScript is not JSON, and some JSON is not JavaScript. An example of where this is used is web … Read more
That response is a string too, if you want to send the response prettified, for some awkward reason, you could use something like JSON.stringify(anObject, null, 3) It’s important that you set the Content-Type header to application/json, too. var http = require(‘http’); var app = http.createServer(function(req,res){ res.setHeader(‘Content-Type’, ‘application/json’); res.end(JSON.stringify({ a: 1 })); }); app.listen(3000); // > … Read more
You can’t simple cast a plain-old-JavaScript result from an Ajax request into a prototypical JavaScript/TypeScript class instance. There are a number of techniques for doing it, and generally involve copying data. Unless you create an instance of the class, it won’t have any methods or properties. It will remain a simple JavaScript object. While if … Read more
For JSON text: application/json The MIME media type for JSON text is application/json. The default encoding is UTF-8. (Source: RFC 4627) For JSONP (runnable JavaScript) with callback: application/javascript Here are some blog posts that were mentioned in the relevant comments: Why you shouldn’t use text/html for JSON Internet Explorer sometimes has issues with application/json A rather … Read more
Let’s evaluate the parsing of each: http://jsfiddle.net/brandonscript/Y2dGv/ var json1 = ‘{}’; var json2 = ‘{“myCount”: null}’; var json3 = ‘{“myCount”: 0}’; var json4 = ‘{“myString”: “”}’; var json5 = ‘{“myString”: “null”}’; var json6 = ‘{“myArray”: []}’; console.log(JSON.parse(json1)); // {} console.log(JSON.parse(json2)); // {myCount: null} console.log(JSON.parse(json3)); // {myCount: 0} console.log(JSON.parse(json4)); // {myString: “”} console.log(JSON.parse(json5)); // {myString: “null”} … Read more
There are 94 Unicode characters which can be represented as one byte according to the JSON spec (if your JSON is transmitted as UTF-8). With that in mind, I think the best you can do space-wise is base85 which represents four bytes as five characters. However, this is only a 7% improvement over base64, it’s … Read more
Json.NET does this… string json = @”{“”key1″”:””value1″”,””key2″”:””value2″”}”; var values = JsonConvert.DeserializeObject<Dictionary<string, string>>(json); More examples: Serializing Collections with Json.NET