Geordi is now (partially) tested with Cucumber. Yay! geordi cucumber supports a new @solo tag. Scenarios tagged with @solo...

Using Scenic, you can bring the power of SQL views to your Rails application without having to switch your schema...

Dashboard (Marvel Kibana) and query tool (Marvel Sense) for Elasticsearch. Once installed you can access Kibana and Sense at these...

Ever wondered how you can create a simple table output in bash? You can use the tool column for creating...

A comprehensive script to convert test suites from RSpec 2 to RSpec 3. This converts more than should/expect syntax.

Wondering which processes are placed in your swap you can use this bash oneliner: for file in /proc/*/status ; do...

SELECT pg_database.datname as "database_name", pg_database_size(pg_database.datname)/1024/1024 AS size_in_mb FROM pg_database ORDER...

Once Rails knows a given string is html_safe, it will never escape it. However, there may be times when...

You know that layouting HTML e-mails is terrible. For more fun, check Litmus' list of top 10 e-mail...

PostgreSQL offers a really handy field type: json. You can store any JSON there, in any structure. While its flexibility...

You can tell git to ignore different kinds and amounts of whitespace when merging or cherry-picking. This often occurs...

rack-mini-profiler is a powerful Swiss army knife for Rack app performance. Measure SQL queries, memory allocation and CPU...

To delete a certificate request run sudo puppet ca destroy $your.full.hostname on your puppetmaster.

A list of surprisingly clever CSS expressions for common use cases.

There are cases when you need to select DOM elements without jQuery, such as: when jQuery is not available

In developing countries like Nigeria, Opera Mini is used by up to 70% of users on mobile.

Remove some old binaries (commands still exist in geordi) and mark others as deprecated Rewrite deploy command to support...

If you have many connections to your MySQL or MariaDB (as we have) you might want to filter the list...

In Ruby 2.3 you can use <<~ instead of <<- to automatically remove indentation from a HEREDOCs: str = <<~MESSAGE Hello Universe!

When you're using feature branches, they will stack up if you don't delete them after the merge to...

The nokogiri gem provides different packages for several platforms. Each platform-specific variant ships pre-built binaries of libxml2, e.g...

CSS4 comes with :has. E.g. h1:has(b) would select all tags that contain a tag. This is implemented in...

E-mails are usually encoded using Quoted Printable. Here is how to decode or encode such strings. You probably know...

Install this gem and stop using bundle exec or even Geordi's handy b. Yay!