What are th implications of calling yield() twice

Posted by Dustin Hoffman on Stack Overflow See other posts from Stack Overflow or by Dustin Hoffman
Published on 2010-05-06T19:57:21Z Indexed on 2010/05/06 19:58 UTC
Read the original article Hit count: 144

Filed under:

ruby-on-rails

|

yield

For example

- if yield :content_header
   yield :content_header
- else
  No Content Header

Is this going to eat up little bits of time? I can't seem to get content_for? to work :/

© Stack Overflow or respective owner

Related posts about ruby-on-rails

Ruby on Rails - How can I start? [closed]

as seen on Programmers - Search for 'Programmers'
I have misconception in understanding the relationship between Ruby language and Ruby on Rails Framework. Because of 'I am an absolute beginner' in web development I have no idea if I have to grasp the fundamentals of Ruby before I go with Ruby on Rails! I also want to ask who is behind both Ruby… >>> More
DES3 decryption in Ruby on Rails

as seen on Stack Overflow - Search for 'Stack Overflow'
My RoR server receives a string, that was encrypted in C++ application using des3 with base64 encoding The cipher object is created so: cipher = OpenSSL::Cipher::Cipher::new("des3") cipher.key = key_str cipher.iv = iv_str key_str and iv_str: are string representations of key and initialization… >>> More
Ruby on rails: Image downloads with Authentication/Authorization/Time outs

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi Guys, I'm having few doubts on implementing file downloads. I'm creating an app where I use attachment_fu with Amazon s3 to upload files. Things are working pretty well so far on uploading side. Now its the time to start the file downloads. Here is what I need, a logged in user search and browse… >>> More
Ruby on Rails deployment, on "thin" server with lot of attachments

as seen on Stack Overflow - Search for 'Stack Overflow'
A lot of PDFs are stored inside MySQL as a BLOB field for each PDF file. The average file size is 500K each. The Rails app will stream the :binary data as file downloads, where there is a user click on the download link. Assume there is a maximum of 5 users downloading 5 PDFs concurrently, what… >>> More
Apply Behavior Driven Development to Ruby on Rails with Rspec

as seen on Internet.com - Search for 'Internet.com'
Applying the Behavior Driven Development (BDD) methodology to your Rails development takes you beyond traditional Test Driven Development. Learn how to do it with the Ruby-based BDD framework RSpec. >>> More

Related posts about yield

Rails 3 - yield return or callback won't call in view <%= yield(:sidebar) || render('shared/sidebar'

as seen on Stack Overflow - Search for 'Stack Overflow'
Hey folks, I'm migrating a Website from Rails 2 (latest) to Rails 3 (beta2). Testing with Ruby 1.9.1p378 and Ruby 1.9.2dev (2010-04-05 trunk 27225) Stuck in a situation, i don't know which part will work well. Suspect yield is the problem, but don't know exactly. In my Layout Files I use the following… >>> More
What do you think of this generator syntax?

as seen on Programmers - Search for 'Programmers'
I've been working on an ECMAScript dialect for quite some time now and have reached a point where I am comfortable adding new language features. I would love to hear some thoughts and suggestions on the syntax. Example generator { yield 1; yield 2; yield 3; if (true) { yield… >>> More
C# yield return not returning an item as expected

as seen on Stack Overflow - Search for 'Stack Overflow'
I have following code: private void ProcessQueue() { foreach (MessageQueueItem item in GetNextQueuedItem()) PerformAction(item); } private IEnumerable<MessageQueueItem> GetNextQueuedItem() { if (_messageQueue.Count > 0) yield return _messageQueue.Dequeue(); } Initially… >>> More
What do you think of this iterator syntax?

as seen on Programmers - Search for 'Programmers'
I've been working on an ECMAScript dialect for quite some time now and have reached a point where I am comfortable adding new language features. I would love to hear some thoughts and suggestions on the syntax. Example iterator Numbers { yield 1; yield 2; yield 3; if (true) { … >>> More
yield in ERB without rails

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi How can I use yield for template inheritance in erb? I want to use erb in a plain ruby CGI script and want to use a base template and subtemplate like it Rails with the application template does. >>> More