Articles

• #ruby

  Solving "cannot load such file" error in Ruby gem development

  After generating a new custom gem in Ruby with Bundler, the error “cannot load such file” may be encountered when building and testing the new library locally.

• #rspec

  Reproducing test failures with RSpec

  RSpec test failures related to ordering may sometimes appear, particularly on larger and older projects.

• #postgresql

  Create PostgreSQL indexes concurrently to minimize performance impact

  Creating new indexes for an existing table in Postgres–particularly a large one–can impact performance, as locks are taken and the index is built in a single pass.

• #git

  Remove stale remote branches with git

  There’s a simple way to list remote branches with git:

• #git

  Restore a file from a previous commit with git

  Here is a simple recipe for restoring a file to its state in a prior commit in git using git-checkout (unlike the effects of git-revert or git-reset):