Here is a good explanation for zombie processes. Quote: If you have zombie processes it means those zombies have not...
Our development process makes us deploy very often. As the number of releases grows, junk clogs up the hard drive...
Note: These instructions are for a quick per-project setup and may require you to change code. If you generally...
Option 1: Creating a self-signed certificate with the openssl binary As igalic commented on this gist. openssl req -new...
ActiveRecord translations live in locale.activerecord. ActiveModel translations live in locale.activemodel. To use the same translations for both, use YAML references...
When HTTP clients make an request they can define which response formats they can process. They do it by adding...
Authentication is hard: there are many edge cases, and most users (including yourself) usually only go the "happy path" once...
We have often felt the pain where our models need to serve too many masters. E.g. we are adding a...
We ran into trouble when adding additional compute units to our railscomplete Hosting environment lately. VM-instances on the new...
Rails gives you migrations to change your database schema with simple commands like add_column or update. Unfortunately these commands...
Here is a hacky way to load dumps directly from the source server, without fully copying them over and extracting...
JavaScript has no built-in functions to compare two objects or arrays for equality of their contained values.
If you need to capture signatures on an IPad or similar device, you can use Thomas J Bradley's excellent...
You either have an old version of Mocha and an edge version of Rails 3.2, or you have a new...
Do not investigate in the 2342 tools that exist for migrating IMAP accounts from one server to another. They all...
We recently had a problem on a Memcache cluster, where one of the servers showed a significantly worse cache hit...
validates_uniqueness_of is not sufficient to ensure the uniqueness of a value. The reason for this is that in...
The attached article outlines considerations when choosing client-side vs. server-side implementations of the Google Geocoding APIs (geocoder, directions...
Apache HTTP server benchmarking tool (ab) is a nice tool to test performance on sites delivered by HTTP. If the...
I was unsatisfied with the existing memory status applets for the Xfce panel, so I wrote a little shell script...
When searching for text in a MySQL table, you have two choices: The LIKE operator FULLTEXT indexes (which currently only...
Our old solution for cronjobs, the "craken" plugin, is no longer maintained and does not work on Rails 3.2+.
I am talking about development speed. When your application starts growing and you start adding gems, it starts to take...
Generally, Selenium tests use the browser to interact with the page. If it's unavailable, a timeout error is...