I was getting lots of errors in my Express-based REST API due to invalid Json payloads being posted to my endpoint.
Express just throws an exception, but it doesn’t give you the raw payload to see what is causing the error.
I dug into the source code of the body parser and it revealed this simple trick to get the raw payload in req.rawBody:
Tag: json
draft-kelly-json-hal-05 – JSON Hypertext Application Language
There is an emergence of non-HTML HTTP applications (“Web APIs”) which use hyperlinks to direct clients around their resources.
The JSON Hypertext Application Language (HAL) is a standard which establishes conventions for expressing hypermedia controls, such as links, with JSON [RFC4627]. HAL is a generic media type with which Web APIs can be developed and exposed as series of links. Clients of these APIs can select links by their link relation type and traverse them in order to progress through the application.
HAL’s conventions result in a uniform interface for serving and consuming hypermedia, enabling the creation of general-purpose libraries that can be re-used on any API utilising HAL.
The primary design goals of HAL are generality and simplicity. HAL can be applied to many different domains, and imposes the minimal amount of structure necessary to cover the key requirements of a hypermedia Web API
Mock Your Ajax Requests with Mockjax for Rapid Development
The mockjax plugin is a development and testing tool for intercepting and simulating ajax requests made with jQuery with a minimal impact on changes to production code.
This is a sweet piece of Javascript that allows to build frontends on simply configured mock ajax data, speeding up the production pipeline on web projects.
jaql – Query Language for JavaScript Object Notation (JSON)
Jaql is a query language designed for Javascript Object Notation (JSON), a data format that has become popular because of its simplicity and modeling flexibility. Jaql is primarily used to analyze large-scale semi-structured data. Core features include user extensibility and parallelism. In addition to modeling semi-structured data, JSON simplifies extensibility. Hadoop’s Map-Reduce is used for parallelism.
This is the first Json.NET release to target .NET 4 and integrates the many new features added in the latest version of .NET. Behind the scenes Json.NET’s source code has been upgraded to VS2010.
Json.NET library makes working with JSON formatted data in .NET simple. Key features include a flexible JSON serializer to for quickly converting .NET classes to JSON and back again, and LINQ to JSON for reading and writing JSON.
wycats’s jquery-offline at master – GitHub
The jQuery offline plugin provides an easy mechanism for retrieving JSON data from a remote server, and then caching it. Subsequent requests for the same URL will retrieve the data from the cache, rather than the remote server.
If the user is online, the plugin will transparently request new content from the remote server, firing the callback again if the content has changed. If the user is offline, the plugin will request the data from the remote server for the most recent request when the user comes back online.
jQuery Offline uses the HTML5 localStorage API for persistence. You can use the same API for browsers that do not support localStorage, jQuery Offline will simply fall back to making a request to the server each time. As a result jQuery.retrieveJSON is a portable way to make a request for JSON that should be cached if possible.
The DBacesslayer aka DBSlayer aka Släyer (as we like to call it when we’re feeling ironically heavy metal) is a lightweight database abstraction layer suitable for high-load websites where you need the scalable advantages of connection pooling. Written in C for speed, DBSlayer talks to clients via JSON over HTTP, meaning it’s simple to monitor and can swiftly interoperate with any web framework you choose.
Orderly is a textual format for describing JSON. Orderly can be compiled into JSONSchema. It is designed to be easy to read and write.
Understanding jQuery UI widgets: A tutorial
“Widget” to me means a user-interface element, like a button or something more complicated like a popup date picker, but in jQuery UI terms it means a class, members of which are associated with HTML elements; things like Draggable and Sortable. In fact, not everything that I would have called a widget uses $.widget; the UI datepicker does not.
A great tutorial on how to write jqueryUI widgets
This JSON parser does not attempt to validate the JSON, so may return a result given a syntactically invalid input, but does not use eval so is deterministic and is guaranteed not to modify any object other than its return value.
JSON.hpack is a lossless, cross language, performances focused, data set compressor. It is able to reduce up to 70% number of characters used to represent a generic homogeneous collection.
ZenQueue is a lean, network-available message queue, complete with server and client libraries, written in Python. It’s been designed for simplicity, speed and portability.
JSON Diff is a simple way to visualize and compare JSON.
Nice online tool when the need arises
The Persevere project is an open source set of tools for persistence and distributed computing using intuitive standards-based JSON interfaces of HTTP REST, JSON-RPC, JSONPath, and HTTP Channels. The core of the Persevere project is the Persevere Server. The Persevere server includes a Persevere JavaScript client, but the standards-based interface is intended to be used with any framework or client.
oEmbed is a format for allowing an embedded representation of a URL on third party sites. The simple API allows a website to display embedded content (such as photos or videos) when a user posts a link to that resource, without having to parse the resource directly.
JSONLint – The JSON Validator.
An useful little tool to quickly validate your JSON structures
Mastering JSON ( JavaScript Object Notation )
Widely hailed as the successor to XML in the browser, JSON aspires to be nothing more than a simple, and elegant data format for the exchange of information between the browser and server; and in doing this simple task it will usher in the next version of the World Wide Web itself.
REST doesn’t just apply to XML formats and that it\’s possible to use JSON RESTfully and not just in the old patterns.
Theory is nice, but working code is nicer. So let’s walk through building a RESTful service using JSON.
Getting RDF data on the web can be hard to convince people to do, or to do correctly (see RSS). This service helps convert formats as need be and lets you access embedded RDF via GRDDL (such as microformats when they have a transformation) without the need to pre-process it yourself.
Everything that Triplr generates is available via a simple GET at a URI, so you can cut and paste them, ‘wget’ or ‘curl’ them and thus easily get the data into into your own web application without additional code.
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