crud – IT Nursery

How to perform update operations on columns of type JSONB in Postgres 9.4

May 29, 2022 by IT Nursery

Looking through the documentation for the Postgres 9.4 datatype JSONB, it is not immediately obvious to me how to do updates on JSONB columns. Documentation for JSONB types and functions: http://www.postgresql.org/docs/9.4/static/functions-json.html http://www.postgresql.org/docs/9.4/static/datatype-json.html As an examples, I have this basic table structure: CREATE TABLE test(id serial, data jsonb); Inserting is easy, as in: INSERT INTO test(data) … Read more

Which HTTP methods match up to which CRUD methods?

May 27, 2022 by IT Nursery

In RESTful style programming, we should use HTTP methods as our building blocks. I’m a little confused though which methods match up to the classic CRUD methods. GET/Read and DELETE/Delete are obvious enough. However, what is the difference between PUT/POST? Do they match one to one with Create and Update? 9 Answers 9

Any good ORM tools for Android development? [closed]

May 18, 2022 by IT Nursery

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for … Read more

Rails 4: before_filter vs. before_action

May 11, 2022 by IT Nursery

In rails >4.0.0 generators creates CRUD operations with before_action not before_filter. It seems to do the same thing. So what’s the difference between these two? 6 Answers 6