Pull quotes need visual styling without duplicating article content or changing document structure, especially to avoid double reading in feeds and screen readers.

Printed raster images can look jagged because printer resolution exceeds screen resolution. Embedding them at higher resolution and scaling down with CSS improves print quality.

LibreOffice/OpenOffice.org Impress presentations can lose animation stages in PDF export; ExpandAnimations expands them so each stage becomes a separate page.

German UI labels for Mobiscroll date pickers on touch devices, including localized day, month, and time formats.

Touch devices often break jQuery UI date and datetime pickers. Mobiscroll or slider access buttons provide a usable mobile alternative.

Filter tagged records by all, any, none, or owner-specific tags with tagged_with options for flexible tag-based queries.

Visible UI lists must be sorted; unsorted record indexes and select options become hard to use once they grow beyond a few items.

Hidden form submit buttons cannot be clicked directly in Selenium-based Cucumber scenarios; temporarily revealing the element and ancestor containers makes the click possible.

Rails localisation can be managed with remotely editable translations, simplifying updates for multilingual applications without redeploying code.

Apple Mail search can stop returning results after upgrading to Mac OS X 10.7 Lion because mailbox indexing breaks. Rebuilding each mailbox restores Spotlight-based search.

XFCE panel items can be pushed to the right or centered with expanding transparent separators, avoiding manual spacing tweaks.

Capistrano output can be colorized with capistrano_colors; Capistrano v2.13.5+ includes it, while older setups can load the gem manually.

Adds tabbed chat windows to Skype on Linux and combines the main app and conversations into one window.

Ruby bindings for a fast Markdown parser, with custom renderers for arbitrary output formats.

Paperclip image conversions can spike CPU and memory during heavy uploads. ImageMagick resource limits and nice help reduce contention on Unix systems.

--deployment can fail even when Gemfile.lock is committed if an unexpected file or directory has been copied into releases.

Aggregated test coverage for RSpec and Cucumber with rcov:all now supports Rails 2 and 3 and can ignore shared traits.

Code coverage can look misleading when blank lines and comments count against the ratio; RCov total coverage ignores them for a more useful metric.

Rails 2 can miss an association declared with a string name, causing "association not found" errors; using a symbol avoids the lookup bug.

Rails AssociationTypeMismatch errors often come from selecting an associated object instead of its ID in a form field.

Automatic browser updates aim to phase out IE6 and IE7, while Windows XP remains limited to Internet Explorer 8.

Ruby CLI scripts can break pipe chains when they ignore stdin, stdout, or exit codes. Careful stream handling keeps them composable in shell workflows.