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...

stackoverflow.com

Usually, the logrotate service takes care of renaming log files each night or so to avoid logs becoming huge. That...

Here is a hacky way to load dumps directly from the source server, without fully copying them over and extracting...

Safari & Chrome Use $x() in your console: $x('//span') # selects all span elements Firefox There's an add-on.

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...

If others on a call (Skype, SIP, ...) can not hear you loud enough, your volume levels are probably too low...

Do not investigate in the 2342 tools that exist for migrating IMAP accounts from one server to another. They all...

Consul 0.6.1+ gives your Power class a number of static methods that behave neutrally in case Power.current is nil. This...

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...

developers.google.com

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...

When calling a scope like current_power.user?(user), Consul will no longer trigger a query if the users power selects all...

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Our old solution for cronjobs, the "craken" plugin, is no longer maintained and does not work on Rails 3.2+.

Cards can now be flagged as "Repeating". Every Wednesday, some of these cards will be moved back to the top...

progfu.com

I am talking about development speed. When your application starts growing and you start adding gems, it starts to take...

developer.mozilla.org

Having your site run on SSL is worthless when you include content over an unsafe connection (HTTP).

Generally, Selenium tests use the browser to interact with the page. If it's unavailable, a timeout error is...