TIL: November 2020-October 2021

2021-10-02
  • bundle add {gem}
  • about pgbench - source
  • Firefox can visualize layout grids - mozilla docs
  • network sockets in shell - source
  • jenv, like rbenv and nodenv for Java
  • ablaut reduplication; hip hop, ping pong, tick tock - wikipedia
  • you can link between Workflowy items
  • cells in Excel (and Google Spreadsheets) can be named
  • basehold.it serves CSS files that can overlay grids to help maintaining vertical rhythm
  • use bin/rspec $(git ls-files --modified spec/) to re-run modified specs
  • how to peel almonds - youtube
  • <<~ heredoc strings in Ruby will strip leading whitespace remove indentation
  • you can use delegate :method, to: :target, private: true in Ruby
  • about rspec’s example_status_persistence_file_path and --only-failures/--next-failure which is super helpful when you have a bunch of tests failing on CI and you want to re-run them locally before pushing - docs
  • on macOS you can use ⌘ + Tab then down arrow to switch between windows of an application
  • if you have a slightly broken USB cable - you can wirelessly connect android devices via ADB - docs
  • linux has a tree command
  • Postgres has GREATEST and LEAST functions that are super useful when you need to work with bound values
  • you can use filters for before and after hooks in rspec, and they will only run when example groups have a matching filter
  • js: element.classList.replace('old', 'new')
  • geojson.io
  • Danger(file)
  • ruby: String#squeeze removes repeating characters
  • ruby 2.7 has delegation syntax def override(...); sub_method(...); end
  • print "\e[H\e[2J" clears the screen - at least in Ruby