Installing ffi can fail when the system lacks the libffi development package. Installing libffi-dev on Debian-based systems resolves the missing header/library dependency.

jQuery plugin for matching element heights or widths to create uniform layouts in grids, cards, and columns.

Frustration with DCI and Clean Ruby centers on ambitious promises that feel unfinished and oversold in large Ruby on Rails applications.

git blame -w ignores whitespace-only changes, keeping authorship attribution on the original code instead of indentation edits. git diff -w does the same for comparisons.

Microsoft Office prefetches hyperlinks and opens the browser without cookies, so redirected links can lose session state. Returning 200 OK to Office user agents avoids the redirect path.

Create XLSX spreadsheets in Ruby with charts, images, styling, auto column sizing, and schema validation; handles large files and eases migration from spreadsheet.

Consul 0.4.2 fixes unexpected behavior when querying powers that return nil, making predicate and bang methods return false or raise Consul::Powerless consistently.

JavaScript stack traces differ across browsers and often need normalization after unhandled exceptions. TraceKit provides a consistent representation for IE, Firefox, Chrome, Safari, and Opera.

GitHub may keep stale PR diffs after merged commits from another branch remain listed. A forced no-op push can refresh the comparison against the target branch.

Placeholder image generation for specific dimensions and topics is useful when building layouts, prototypes, or content mockups without final artwork.

Incoming calls can be made more noticeable by marking the window as demanding attention or by showing a desktop notification bubble.

A responsive jQuery audio player plugin with touch-friendly controls and a CSS-only interface. No images are used in the UI.

Chainable timing helpers reduce nested callbacks in jQuery and keep animation and timeout code readable.

Parallel Selenium scenarios can steal browser focus and make integration tests flicker. A dedicated focus loop helps reproduce and fix timing-sensitive failures.

Small shell-based memory indicator for Xfce panels that reports usable RAM after cache is subtracted, with simple output for any command runner.

Practical Git workflows for diffs, branch handling, history search, patching, rebasing, and selective stashing in everyday repositories.

Inspect raw TCP or UDP data arriving on a port, such as an HTTP request, with nc and redirect the output to stdout or a file.

Stage every modification, new file, and deletion in one command with git add --all, a fast way to prepare the full working tree for commit.

Non-Ruby assets can be shipped inside a gem, making shared files available alongside Ruby code without a separate distribution.

Bash autocompletion can be customized for commands, reducing tedious typing with word lists, functions, glob patterns, or .bashrc completions.

MySQL text search performance differs sharply between LIKE and FULLTEXT; LIKE stays surprisingly fast on medium datasets, while FULLTEXT benefits from larger vocabularies.

Detecting overflow in an element matters when layout must avoid hidden content and unwanted scroll bars; comparing scrollHeight and offsetHeight reveals whether content exceeds the visible area.

document.activeElement returns the currently focused DOM element and is useful for checking focus state in JavaScript or Selenium tests.