Avoid repeated remote database dumps during Capistrano deployments by skipping the db:dump hook with a deploy flag or environment variable.

Inline markup in Balsamiq Mockups adds bold, italic, and hyperlink styling to editable text; bold often looks unchanged because many widgets already use bold fonts.

Ubuntu Natty's hidden GTK scrollbars can be removed when classic scrollbars are preferred. Purging liboverlay-scrollbar-* restores the old behavior after restarting apps or logging in again.

Files and browser downloads may fail to open after installing XFCE because exo-utils conflicts with gnome-open; removing the package resolves the folder-location error.

Common validation patterns for host names, German bank data, postal codes, hex colors and IPv4 addresses, plus reusable constants in a Pattern class.

Front audio output can stay silent while the mic works because a separate headphone path is enabled. Changing the audio mixer setting restores all outputs.

Create a virtual printer that saves print jobs as PDF files on Ubuntu, with output written automatically to ~/PDF/.

Find the largest or smallest directories in a tree by combining du with sort -h for human-readable size ordering.

Testing resource_controller callbacks directly avoids triggering the action path and verifies hook behavior in controller specs.

Validate Apache configuration syntax with apache2ctl configtest or apache2ctl -t; passing checks do not guarantee a successful server start.

Creating a CSR and private key for an SSL certificate requires careful server-side generation; the common name must match the domain exactly or the certificate becomes invalid.

Links with anchor targets can jump abruptly; jQuery animation creates smooth scrolling to the destination and can preserve the URL hash.

Structured data on web pages helps search engines display richer results for people looking for contact details, places, events, or products.

Turning arbitrary values into arrays can trigger to_a deprecation warnings and inconsistent nil behavior. Array.wrap or listify provide a safer conversion.

Open a new Terminal tab in the current directory and optionally run a command there using a simple tab script.

XPath matchers can be combined with CSS-selector matchers. This is really useful if not, for example, the content of an element should be matched but the element itself like in the following example. Here a form is used to display data as default value in its input elements. This can be the case in web applications in which data should be edited easily without additional clicks.

Tabs in Vim can be replaced with spaces for consistent indentation across files and platforms, with permanent or temporary settings.

Very nice font for programming.

Ruby code exports a two-dimensional array to an Excel .xls file with a single method call, with the first row used as a bold header. spreadsheet is required and XLS sheets are limited to 65,535 rows.

Build static pages with Rails-like comforts such as HAML, SASS, helpers and partials, then compile everything to plain HTML and CSS.

created_within adds a scope for records created between two timestamps and works on ActiveRecord chains, even when other tables are joined.

Running Ruby executables without bundle exec can silently use the wrong gems and break on other machines. Using bundle exec keeps executions tied to the bundle.

Deleted files are not staged by git add .; git add -u updates tracked files and records removals for commit.

SSH host aliases in ~/.ssh/config make hard-to-remember servers easier to reach and let you use names instead of raw IP addresses.