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How do I get the current absolute URL in Ruby on Rails?
... method, but if you're curious, the implementation is:
def original_url
base_url + original_fullpath
end
For Rails 3:
You can write "#{request.protocol}#{request.host_with_port}#{request.fullpath}", since request.url is now deprecated.
For Rails 2:
You can write request.url instead of r...
Rails: How does the respond_to block work?
...is (using JS-like pseudocode):
// get an instance to a responder from the base class
var format = get_responder()
// register html to render in the default way
// (by way of the views and conventions)
format.register('html')
// register json as well. the argument to .json is the second
// argumen...
What's the difference between JavaScript and JScript?
...s. One beautiful day, ECMA international came and said: let's make engines based on common standard, let's make something general to make life more easy and fun, and they made that standard.
Since all browser providers make their JavaScript engines based on ECMAScript core (standard).
For example, ...
How to get users to read error messages?
...e able to give you a more coherent explanation instead of 'Error 1304, database object lost!', instead they may be able to say 'I clicked on this so and so, then somebody pulled the network cable of the machine accidentally', this will clue you in on having to deal with it and may modify the error t...
Viewing complete strings while debugging in Eclipse
...
I can see only "data:image/bitmap;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAEBAQEBAQEBAQEBAQEBAQE... (length: 22869)". Set "Max Length" option not work and "Change value" also.
– falko
Jul 25 '14 at 14:04
...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...a list of many others) is that it tends to artificially favor lookup table based solutions. Since the benchmark is repeating the one operation in a loop, it will often find that using a lookup table that just fits in L1 is the fastest, because everything will hit in L1 every time since there is no c...
RESTful Authentication via Spring
Problem:
We have a Spring MVC-based RESTful API which contains sensitive information. The API should be secured, however sending the user's credentials (user/pass combo) with each request is not desirable. Per REST guidelines (and internal business requirements), the server must remain stateless. ...
What exception classes are in the standard C++ library
...system_error> from operating system or other C API
std::ios_base::failure <ios> Input or output error
Source: http://en.cppreference.com/w/cpp/error/exception
In practice, most exceptions are custom exceptions derived from logic_error and runtime_error. Not that these are neg...
what is the difference between OLE DB and ODBC data sources?
...om page 7 of that book)
ODBC provides access only to relational databases
OLE DB provides the following features
Access to data regardless of its format or location
Full access to ODBC data sources and ODBC drivers
So it would seem that OLE DB interacts with SQL-based data...
Rails respond_with: how does it work?
...nders gem source code.
Original Answer
The code for the responders is based in a class and a module. MimeResponds which is included into ActionController::Base, the class your ApplicationController inherits from. Then there is ActionController::Responder which provides the default behavior when...