About Devhints
Devhints provides concise, easy-to-scan cheatsheets for programming languages, frameworks, tools, and libraries. Whether you're working with JavaScript, Python, Ruby, or DevOps tools like Docker and Kubernetes, Devhints offers fast access to syntax, commands, and best practices. Perfect for quick lookups and onboarding new technologies.
FAQ
You can use helpers like distance_of_time_in_words, time_ago_in_words, and time_tag to display relative or absolute times. For example, distance_of_time_in_words(Time.now, project.end_date) shows the time difference between now and the project end date.
Rails provides helpers like number_to_currency, number_with_precision, number_to_percentage, number_with_delimiter, and number_to_human to format numbers. For example, number_to_currency(20.33) formats the number as a currency.
Use time_select and date_select helpers. For example, time_select 'article', 'start_time' creates a time select input, and date_select 'article', 'written_on' creates a date select input with various customization options.
You can use cache helpers like cache, cache_if, cache_unless, and cache_unless. For example, caches the content based on the project object.
Use helpers like tag, content_tag, and time_tag. For example, tag('br') generates a line break tag, and content_tag(:p, 'Hello') generates a paragraph tag with the text 'Hello'.
Use form_for with multipart: true and f.file_field to create a file upload form. For example, = form_for @post, multipart: true do |f| = f.file_field :picture creates a file upload form for the picture attribute.
Use the t helper to translate strings. For example, t('folders') translates the 'folders' key, and t('x_files', count: files.count) translates the 'x_files' key with a count parameter.
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