What is JSONP, and why was it created?

It’s actually not too complicated… Say you’re on domain example.com, and you want to make a request to domain example.net. To do so, you need to cross domain boundaries, a no-no in most of browserland. The one item that bypasses this limitation is <script> tags. When you use a script tag, the domain limitation is … Read more

Converting dictionary to JSON

json.dumps() converts a dictionary to str object, not a json(dict) object! So you have to load your str into a dict to use it by using json.loads() method See json.dumps() as a save method and json.loads() as a retrieve method. This is the code sample which might help you understand it more:

How do I POST JSON data with cURL?

You need to set your content-type to application/json. But -d (or –data) sends the Content-Type application/x-www-form-urlencoded, which is not accepted on Spring’s side. Looking at the curl man page, I think you can use -H (or –header): Full example: (-H is short for –header, -d for –data) Note that -request POST is optional if you … Read more