Skip to content

Instantly share code, notes, and snippets.

🎯
Focusing

jeffreyyong jeffreyyong

🎯
Focusing
Block or report user

Report or block jeffreyyong

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
@bueltge
bueltge / RegularExpressionCheatSheet.md
Last active Apr 5, 2019
Regular Expression Cheat Sheet
View RegularExpressionCheatSheet.md

Regular Expression Cheat Sheet - PCRE

Kudos/Source: https://github.com/niklongstone/regular-expression-cheat-sheet

Anchor Description Example Valid match Invalid
^ start of string or line ^foam foam bath foam
\A start of string in any match mode \Afoam foam bath foam
$ end of string or line finish$ finish finnish
\Z end of string, or char before last new line in any match mode finish\Z finish finnish
@vasanthk
vasanthk / System Design.md
Last active Jun 19, 2019
System Design Cheatsheet
View System Design.md

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
View capybara cheat sheet
=Navigating=
visit('/projects')
visit(post_comments_path(post))
=Clicking links and buttons=
click_link('id-of-link')
click_link('Link Text')
click_button('Save')
click('Link Text') # Click either a link or a button
click('Button Value')
You can’t perform that action at this time.