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1answer
265 views

What is the original reason JSON used `null` and not `undefined` to represent missing values?

In Javascript, there seems to be or have been an idea that undefined represents a missing primitive OR object value, while null represents just a missing object value. See, for example, this section ...
2
votes
1answer
139 views

Best practice for REST result payload when field may have single or multiple values

I Have a REST API endpoint where the caller can supply some optional filters for the results. GET api/inventory For example, an object member of a GET request may look like the following { "...
1
vote
1answer
142 views

Strategy to deal with huge data

I have a Spring based java webservice which is returning JSON response. The problem is that the JSON response takes long time because the SQL involved is querying huge chunk of data and it takes 4-5 ...
0
votes
1answer
105 views

How to build a data-driven menu in JavaScript?

I'm going to attempt to build a data-driven menu for my web-app. The goal is to be able to serve different menu options to different users from an API. The hope is that the server could return a ...
3
votes
3answers
170 views

Should I be lenient with types when accepting JSON data? (String vs number)

Background: So while Javascript implicitly convert various data types and hence may seem almost type-less(is there such a thing?) it does have different types. Most of my colleagues seem to think ...
0
votes
1answer
162 views

Modeling JSON with Javascript

Using C# I've modeled a JSON message this way: public class MessageBase<T> { public MessageBase() { this.message = new List<T>(); } public string type { get; set; } public ...
1
vote
2answers
152 views

Tabular Website Design with Continuously Added Content

I'm currently working on a site for a friend, converting a google sheet to a webpage (to reduce the time it takes to modify the spreadsheets and apply them to all users). One particular page is ...
1
vote
1answer
417 views

The format of an response in ajax — any convention/recommendations?

Say I have a lot of page with ajax. Is there any convention or recommendation on the format/structure of an ajax response? Namely, if there's an error, a server returns http status 4xx or 5xx and... ...
0
votes
2answers
258 views

Permutations for time in JSON

Let's say that I have a JSON file like at example below. How would I go about finding all possible values of item combination time sums that exist between let's say 00:03:04 to 00:25:55 without ...
1
vote
1answer
49 views

How to avoid fetching additional informations when instantiating objects

I'm creating an HTML5 game using javascript and have got some problems during the first instantiation of the objects of the scene. Scenario Self-written 2d game engine that supports multiple ...
10
votes
3answers
12k views

Is it bad practice to use hyphens in JSON keys?

I see a lot of questions revolving around accessing JSON keys that use hyphens (kebab-case), but now I find myself wondering should I just stick to camelCase or snake_case in my keys. I know hyphens ...
2
votes
2answers
2k views

Is it a bad practice to use JSON strings as keys of objects?

On languages such as Haskell, most datatypes have instances which allow their values to be used as keys of structures such as Maps. JavaScript has reasonably fast maps, there called objects, but those ...
3
votes
1answer
625 views

Suggestions for structuring complex json structures?

I can't find many tips for how to design complex json structures beyond the obvious tips of not trying to nest too deeply, using defined data types, etc. For example, if I have a location that needs ...
1
vote
1answer
402 views

Summing values from JSON end point based on category [closed]

I have a JSON end point for projects in a county. I am able to call a list of any of the object properties. What I want to do is to add together either all the values of budget property or the ...
0
votes
2answers
5k views

How deeply can a JSON object be nested?

I was watching a video on a website that said json objects can be nested deeply. How far can a JSON object be nested before it will create an error?
3
votes
3answers
239 views

Anything wrong with direct evaluation of JSON if your own code created it?

Suppose I have a server-side variable containing JSON (named strJSON) that my own code created. In JavaScript I can consume it like this: var data = <%= strJSON %>; or use a JSON parsing ...
3
votes
1answer
722 views

How to deal with server-side and client-side naming conventions that clash? [closed]

I have a project that uses the underscore naming convention for the MySQL database and PHP scripts but uses camelCase for the javascript application (a common scenario I'm sure). However, once JSON ...
14
votes
5answers
13k views

XSLT equivalent for JSON

I was interested in finding (or if necessary developing) an XSLT equivalent for JSON. As I have not found any, I was considering the possible query language to use for matching JSON paths so as to ...
2
votes
0answers
1k views

Managing Login Authentication/Webpage session: Can client side javascript/JQuery access either a session variable or json variable in html?

Short version: A variable is stored in a session variable req.session.userName and also in the json sent with res.render('/', {username: value}). How can I access either of those variables from inside ...
10
votes
4answers
3k views

Should I parse XML on the server or provide a proxy and let the browser parse it?

I need to interface with a 3rd party API. With this API I make a GET request from within the end user's browser and receive an XML response. This data is to be used in a browser based application ...
5
votes
4answers
1k views

How to write JavaScript while keeping HTML/CSS out of it

What is / are some recommended ways to write JavaScript as to control behavior of showing HTML on screen, while keeping well-maintainable code? Basically, I started to look for ways to keep HTML/CSS ...
0
votes
1answer
566 views

JSON - Ruby objects key naming [closed]

Ruby object has method/property: def tentakles_count 8 end JavaScript object has key/property: { justEnough: true } Now, when JavaScript gets serialised ruby object via XHR or WebSocket, ...
1
vote
1answer
1k views

Is parsing a submitted JSON object safe?

I have a RESTful API, built in NODE.js that does what you would expect it to: consumes data and then makes it accessible. Currently, data being submitted to my server is nested form data: data[0][...
3
votes
2answers
2k views

Proper way to structure JSON for front-end consumption

Having worked on several different web application code bases, I've seen some divergence in how back-ends serving JSON to front-ends structure that data. In particular, when a backend wants to return ...
23
votes
4answers
35k views

What is the need of Odata when I have JSON?

I am trying to understand the point of Odata and when it would make sense. Right now how I work is I use ASP.NET and MVC/WebApi controller to serialize/deserialize objects into JSON and have ...
7
votes
4answers
1k views

Building a web application that is almost completely rendered by Javascript, while back end only delivers Json. Do or don't?

As a programmer, and taking into account the overall "funness" of the process, I'm tempted to start a project in Sinatra where the back end's sole concern is the logic, and returning a Json API, and ...
5
votes
1answer
3k views

Building a Graph Editor - How to create a data driven graph

I am developing a graph-editor that uses drag and drop to build hierarchical graphs (containing nodes and links). Each node in the graph should be linked to a table in our database (SQL Server). I did ...
0
votes
1answer
182 views

Evaluating JSON from popular auto-suggests

I was evaluating the various ways in which the big guys implement auto suggest. These are my observations.(Search string used was "ab") Questions towards the end. Yahoo tries something like this, ...
3
votes
2answers
2k views

Which is simpler for REST client call to return JSON - JQuery/JavaScript or Spring RestTemplate? [closed]

I've been trying to hack up an annotated Spring MVC web app but it's proving pretty hard to call a URL of my web app which fires a request to a remote API (UK Police data) and recieves a reply which I ...
1
vote
1answer
6k views

Is the escaping provided by the Google-Gson library enough to ensure a safe JSON payload?

I am currently using the Google-Gson library to convert Java objects into JSON inside a web service. Once the object has been converted to JSON, it is returned to the client to be converted into a ...
6
votes
3answers
2k views

Proper Use Of HTML Data Attributes

I'm writing several JavaScript plugins that are run automatically when the proper HTML markup is detected on the page. For example, when a tabs class is detected, the tabs plugin is loaded dynamically ...
1
vote
3answers
411 views

Feedback on this back-end stack [closed]

I'm planning to setup an scalable architecture capable of providing web services on a REST interface where JSON will be sent as a result. The web services will be quite simple for a CRUD web 2.0 app. ...
1
vote
2answers
1k views

Why did javascript libraries like knockoutjs, backbonejs, and angularjs only come out in 2010?

Being a relatively new web-developer I am surprised that these libraries didn't exist before. Is there a particular technical or historical reason that at around Sep 2010, a sudden development and ...
7
votes
9answers
3k views

Is it worth Learning XML as a web developer when JSON is better for AJAX? [duplicate]

Is it worth Learning XML as a web developer when JSON is better for AJAX? or is it better to concentrate on JSON/Javascript for AJAX?