Making AJAX Applications Crawlable
This document describes an agreement between web servers and search engine crawlers that allows for dynamically created content to be visible to crawlers. Google currently supports this agreement. The hope is that other search engines will also adopt this proposal.
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markbates/coffeebeans
When CoffeeScript was added to Rails 3.1 they forgot one very important part, the ability to use it when responding to JavaScript (JS) requests!
In Rails 3.1 it’s incredibly easy to build your application’s JavaScript using CoffeeScript, however ...
Problems with Rails 3 Remote Links and Forms Using jQuery .live() in IE
There is a problem with AJAX response handling for Rails 3 remote links and forms in Internet Explorer. This problem affects applications still using jQuery 1.4.2.
makandra cards: A knowledge base on web development, RoR, and DevOps
What is makandra cards?
We are makandra, a team of 60 web developers, DevOps and UI/UX experts from Augsburg, Germany. We have firmly anchored the sharing of knowledge and continuous learning in our company culture. O...
Jasmine: Testing AJAX calls that manipulate the DOM
Here is a Javascript function reloadUsers() that fetches a HTML snippet from the server using AJAX and replaces the current .users container in the DOM:
window.reloadUsers = ->
$.get('/users').then (html) ->
$('.users').html(h...
Capybara: Waiting for pending AJAX requests after a test
When ending a Selenium test Capybara resets the browser state by closing the tab, clearing cookies, localStorage, etc.
It may be a good idea to wait for all in-flight AJAX requests to finish before ending a scenario:
- You may have client-side...
Manually uploading files via AJAX
To upload a file via AJAX (e.g. from an <input type='file'>) you need to wrap your params in a FormData object.
You can initialize a FormData using the contents of a form:
va...
Configuring User Agents with Capybara + Selenium Webdriver
A while ago we were working on an application that had an entire version specially created for mobiles, such as the iPhone. This specific application was entirely tested with Capybara, Steak and Selenium Webdriver. Although the test suite wasn’t t...
Keeping web applications fast
Our applications not only need to be functional, they need to be fast.
But, to quote Donald Knuth,
premature optimization is the root of all evil (or at least most of it) in programming
The reasoning is that you should not waste your time op...