State is a json state object.
Ruby read json file into hash.
But i am reading on blogs that rails supports active record to json and also supports hash to json i can understand activerecord is a rails object but hash is not native to rails it s a pure ruby object.
It s great because it allows you to access values with keys.
It defaults to a state object that creates the shortest possible json text in one line checks for circular data structures and doesn t.
In ruby read json file to hash can be achieved using file handling.
You may run into a problem mentioned at this related question namely that the yaml file or stream specifies an object into which the yaml loader will attempt to convert the data into the problem is that you will need a related gem that knows about the object in question.
Opts can have the following keys.
An object convertible into a hash by a to h method that is used as or to configure a state object.
You can easily tell hashes by their hash rockets and json by its usage of colons.
You can convert ruby object to hash string easily with as json method in ror.
My solution was quite trivial and is provided as an answer to that question.
Json load file new names json reads the json inside the file and results in a ruby object.
Parse the json document source into a ruby data structure and return it.
With require json you can easily parse a json formatted string into a ruby hash with json parse json string.
Json load takes either a string or io file etc and converts that to ruby hash array.
So i am trying this example below it doesn t work.
In ruby read and write json file to hash can be achieved using file handling.
How to convert a ruby hash object to json.
I was looking at the rubydoc and obviously hash object doesn t have a to json method.
Before getting started lets talk about what is a json file.
The bang version of the parse method defaults to the more dangerous values for the opts hash so be sure only to parse trusted source documents.
If you are new to json javascript object notation you might want to read introduction to json require json you need to require.
The maximum depth of nesting allowed in the parsed data structures.
Or a hash like object responding to to hash.
In the world of ruby ruby loves hashes.
Example to parse json file into a hash and write data into our json file is illustrated with this tutorial.
Generate a json document from the ruby data structure obj and return it.
Get ruby object that you need to convert to hash into one variable.
