Global keyboard shortcuts in Xfce are split between window management and application launching, which makes them hard to find in one place.

File listings may switch to case-sensitive sorting after a distribution upgrade when locale settings change. Reconfiguring the locale restores case-insensitive ordering in Nautilus and Thunar.

Compiz can cause problems on Xfce, and xfwm4 --replace switches back to Xfce's native window manager.

After an Ubuntu version upgrade, sound output or microphone input can stop working because the wrong PulseAudio devices are selected. Reassign the fallback playback and recording devices in pavucontrol.

Multiple Xfce monitors can share separate task bars, each showing only local windows. One panel per screen and per-monitor window buttons keep task switching isolated.

Xfce multi-monitor setup can be awkward when displays overlap or cannot be positioned freely. arandr or a proprietary graphics driver can fix the layout.

Assign the Print key to xfce4-screenshooter -f in Xfce to capture screenshots quickly; many setups already include this shortcut by default.

Calling instance_eval or instance_exec on a Rails 2 scope loads its records from the database. The issue is fixed in Rails 3+.

Need the alpha value of a PNG pixel in Gimp? The color picker can reveal transparency information for a clicked pixel.

Xfce lacks a graphical cursor selector, so the mouse pointer theme must be changed from the terminal with update-alternatives and a new login session.

jQuery plugin for selecting a rectangular area of an image and adding cropping or photo note interactions in web apps.

jQuery plugin for packing page content into a dynamic, responsive layout that uses screen space efficiently.

Rails app boot and test startup become slow as gems grow; Zeus preloads the app so console, server, generate, and specs run in under a second.

Converts HTML tables into bar charts with a jQuery plugin, offering several variants for displaying tabular data visually.

Capybara 2.0 breaks compatibility with 1.x and drops Ruby 1.8 support. It changes Rails integration test conventions, element matching, and RSpec syntax.

andand does not cooperate with SimpleDelegator; the call can skip the decorator and reach the wrapped object. Overriding andand in the delegator restores the intended chaining.

Reduces database storage for many-to-many links when the same combinations repeat often. Works only for simple join records without extra attributes or callbacks.

A MysqlCompat::MysqlRes NameError often follows a system library change, especially switching from MySQL to MariaDB. Reinstalling the MySQL gems usually restores compatibility.

Changing a file extension’s default opener in Thunar lets all matching files open in the preferred app instead of the wrong one.

Move the active window to the next monitor in Xfce, MATE, and other X window managers using a small script with xdotool and wmctrl.

Local Ubuntu release upgrades need mirrored meta-release files and do-release-upgrade packages from proposed repositories to avoid falling back to the public archive.

Applications that use the generic Monospace family ignore terminal font settings. A fontconfig override in ~/.fonts.conf can map it to a preferred font.

Tagged JPEGs from cameras can appear sideways when CarrierWave ignores orientation metadata. auto_orient corrects rotation before other processing steps.