According wikipedia, resolver has the following meaning:

  • Electrical Resolver, a type of rotary electrical transformer used for measuring degrees of rotation
  • Resolver (album), an album by the band Veruca Salt
  • Resolver (Shinhwa album), an album by the South Korean boy band Shinhwa
  • DNS Resolver, a set of software utilities used to resolve domain names of Internet resources
  • Resolver, a specialized microarray data storage and analysis software package developed by Rosetta Biosoftware
  • Resolver One, a Python-based spreadsheet

Resolver is also a company, is the url.