There may be reasons to change the locale of your Postgres cluster. A popular one is your development system's...
Using text-transform: uppercase - especially on form labels - can cause you serious headaches in Selenium tests. Sometimes the web driver...
After running bundler / gem install I could not load nokogiri lately. It died with cannot load such file -- nokogiri/nokogiri.
When two classes implement the same behavior (methods, callbacks, etc.), you should extract that behavior into a trait or module...
The linked page lists and explains global Ruby "dollar" variables, such as: $: (load path) $* (ARGV) $? (Last exit status) $$ (PID)
Using CSS sprites for background images is a technique for optimizing page load time by combining smaller images into a...
Put the attached files into your home directory and enjoy. .irbrc defines interesting_methods, which is essentially all methods without...
We have often felt the pain where our models need to serve too many masters. E.g. we are adding a...
For example if you use rvm and get this message: ERROR: Loading command: install (LoadError) no such file to load...
TL;DR: You should generally use #size to count associated records. size Counts already loaded elements If the association is...
Here is a hacky way to load dumps directly from the source server, without fully copying them over and extracting...
tl;dr: Do not use merge! for session hashes. Use update instead. Outline Let's assume you're modifying the...
See attached link for a way to extract the conditions of a named scope in Rails 2.3.
JavaScripts and CSS should be minified for production use. In Rails 3.1+ the asset pipeline will take care of this...
In our continued quest to extract proven code snippets from makandropedia into tested and upgradable gems, we have released Edge...
About Chrome's network stack and optimizations to load web pages faster.
Mobile browser's ignore the autoplay attribute on and elements. Stupid reasons include saving mobile bandwidth on behalf of the...
Apache HTTP server benchmarking tool (ab) is a nice tool to test performance on sites delivered by HTTP. If the...
When searching for text in a MySQL table, you have two choices: The LIKE operator FULLTEXT indexes (which currently only...
Over the next year, there are a number of technologies coming down the pipeline that have the potential to radically...
If you're using the Capybara webdriver, steps sometimes fail because the browser hasn't finished loading the next page...
url = 'http://www.foocorp.com/foo/bar' URI.parse(url).host # => www.foocorp.com Note that this will raise an error if the given argument is...
If you require your Rails models manually, pay attention to the path you use. Unless you have...
Note: Modern Rails has two build pipelines, the asset pipeline (or "Sprockets") and Webpacker. The principles below apply for both...