Ruby on Rails Screencast Tutorials - Page 37 | GoRails

Adding Sales to the black_friday gem

Dec 02, 2024 Pro

Calculating dates is helpful, but what if we took the black_friday gem a step further by adding sales?

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Parsing Markdown Code Line Highlighting with Ruby

Dec 09, 2024 Pro

We needed a feature to highlight lines in Markdown code blocks for the Rails guides. This is a fun Ruby challenge with many different solutions.

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Frozen String Literals in Ruby 3.4

Dec 16, 2024 Pro

Ruby 3.4 now raises warnings anytime you mutate a string literal. Learn how to fix our code and use frozen string literals to improve performance.

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