Hector Perez Arenas

Recent Posts - page 3

• Duplication is far cheaper than the wrong abstraction

  By Hector Perez Arenas on August 27, 2015 • ( 0 )

  Sandy Metz said that if you find yourself passing parameters and adding conditional paths through shared code, the abstraction is incorrect. Then you should go back: Re-introduce duplication by inlining the abstracted code back into every caller. Within each caller,… Read More ›

• Null Object Pattern

  By Hector Perez Arenas on June 15, 2015 • ( 0 )

  Bad: Good: Seen in the video of Sandi Metz in RailsConf 2015:

• Wikidata

  By Hector Perez Arenas on January 18, 2015 • ( 0 )

  

  Wikidata is the Wikipedia project for structured knowledge. For example it knows that the capital of Spain is Madrid. The ruby gem wikidata has a basic support to retrieve it:

• Newer Entries ›