All Questions
Tagged with ruby-on-rails json
1,323
questions with no upvoted or accepted answers
14
votes
1
answer
1k
views
Measuring rails json api with rack mini profiler
How do we get rack-mini-profiler to show in a rails json api? I believe this was asked here: How to profile a rails controller that returns a json response with rack-mini-profiler? but the only answer ...
- 175
9
votes
1
answer
3k
views
Why does rails not recognize `Accept: application/json` in the request header?
I have some frontend javascript that makes an asynchronous http request to my backend rails server. On the frontend I am not using XHR (I use axios, although that's not entirely relevant to the ...
- 535
7
votes
2
answers
514
views
Count items in arrays cross 100's of thousands of records
I have a Rails app with a Postgres database that has an Artists table with a jsonb genres column.
There are hundreds of thousands of rows.
Each genre column in the row has an array like ["rock", "...
- 25.2k
7
votes
1
answer
1k
views
Rails 4.2 - Grape - IOError: Not opened for reading
I'm building an API with Grape on Rails 4.2. Here's a link to the repo on GitHub.
On the frontend, I have a JavaScript application built with EmberJS. Here's the link to the repo on GitHub as well.
...
- 173
6
votes
0
answers
3k
views
JBuilder + OJ slow json rendering
I am rendering to json an array of records and their eager-loaded associations.
Using
ObjectSpace.each_object(ActiveRecord::Base) {|x| 1+1}
I get 165 instances, thus my jbuilder views take 1 ...
- 1,796
5
votes
2
answers
991
views
Parsing Included Associations from JSON API response - Rails API, AMS, Vue.js SPA
I have some data that in a tree/hierarchal model for (climbing) Areas, such that they relate via parent and child areas.
Using the JSON API adapter with my Active Model Serializer,
class ...
- 109
5
votes
0
answers
176
views
Manipulating ActiveRecord objects to build JSON
We're trying to load a webpage faster. The main issue is about a few activerecord-generated queries on that page.
If you look at the SQL they generate (Postgres), the queries are as follows (all code ...
- 51
5
votes
0
answers
1k
views
Rails not parsing body of my request to params
Using Rails version 4.2.3
Postman generated request:
POST /resources.json HTTP/1.1
Host: xxxx.xx:3000
Content-Type: application/json
Cache-Control: no-cache
Postman-Token: 68deca0d-7c6f-0948-cf2c-...
- 1,087
5
votes
2
answers
2k
views
Postgres JSON column updating individual keys/attributes with form
I am having some trouble updating a rails JSON column in a model.
I have a OrderItem model with an :options column with the postgres json datatype.
I have a form where I am only trying to update ...
- 2,016
5
votes
1
answer
763
views
jQuery datepicker + Rails 3.2.8 + AngularJS: show and persist date issue
I'm having an hard time making the triad rails+angularjs+jQuery datepicker work together.
The first issue is with showing the date as retrieved from the backend.
When the UI requests data from the ...
- 299
5
votes
0
answers
2k
views
Rails html encoding in json problem
Consider the following two scenarios:
Ruby 1.8.7 Rails 2.3.2
{:a => '<div style="color:red;">asd</div>'}.to_json
?> {"a":"\u003div style=\"color:red;\"\u003Easd\u003/div\u003E"}
...
- 4,798
5
votes
2
answers
4k
views
How do I include cookies within a JSON response in Rails?
I am making a PhoneGap-based iPhone app which will connect to a Rails backend. I'm using jQuery to create an Ajax request to Rails server. I'm successfully getting a server response, but I'm having ...
- 3,085
5
votes
2
answers
3k
views
How to upload file via the JSON interface in Rails
I have a web service in Rails which among all else should provide file upload functionality to the clients. The clients all use JSON to talk to the webservice. I use the Paperclip plugin for upload ...
- 465
4
votes
1
answer
2k
views
Ruby/Faraday: How to translate and parse response body?
I'm using Faraday gem for API connection. The body of the response from my call looks this way:
"\xEF\xBB\xBF{\r\n "uptime": "112795",\r\n "started_at": "2021-...
- 951
4
votes
0
answers
78
views
Rails 'partial not found' masks underlying error
I encountered a sporadic error, ostensibly because Rails sometimes could not find a partial. However, because of the way the error only showed up in certain cases, I suspected, and then found, a ...
- 4,387