ActionController::InvalidAuthenticityToken
Below is an error, caused by a form in my Rails application: This happens for every non-get request and, as you see, authenticity_token is there.
ruby-on-rails
Why does Ruby on Rails use http://0.0.0.0:3000 instead of http://localhost:3000?
Localhost means quite literally “your local host”, usually identified by 127.0.0.1 and all traffic to that address is routed via a loopback interface. If your Web server is listening for connections on 127.0.0.1, this means that it only accepts requests coming from the same host. 0.0.0.0 means that Rails is listening on all interfaces, not just the … Read more
Explain what " means
I can’t find a clear explanation of what it means when a value/variable is surrounded by ‘"’ and why it happens. For example, I have a simple function which returns an array containing an id. For some reason, it returns: not: which I would have expected. Can someone explain what ‘"’ is and why/how they … Read more
Why Puma listen on ‘tcp://localhost:3000’ instead of ‘http://localhost:3000’
The HTTP protocol works on top of TCP, HTTP adds format to the raw TCP, so it kind of means the same thing. Given that Webrick and Puma are different HTTP servers, they may refer to the same thing in different ways. I hope this will be the worst of your problems during your journey … Read more
Advanced AREL or just Rails Query for has_many through search by association
Given I have two star players named “Lisa” and “Bo”, how would would I search the Team Model to find all the teams that have both Lisa and Bo on them, without looping through. All the has_many through query examples assume I’m only looking for the teams by one association attribute. But I want to … Read more
400 Bad Request – request header or cookie too large
It’s just what the error says – Request Header Or Cookie Too Large. One of your headers is really big, and nginx is rejecting it. You’re on the right track with large_client_header_buffers. If you check the docs, you’ll find it’s only valid in http or server contexts. Bump it up to a server block and it will work. By the way, the … Read more