Ranges

Line Ranges and Steps

Selecting spans of lines in sed using numeric ranges, the $ last-line symbol, regex-bounded ranges, and GNU's first~step notation for periodic selection.

Ranges and Cells in VBA

Master the Range object — the workhorse of Excel VBA — including how to reference cells, read and write values efficiently, and navigate with properties like C…

Loops in MATLAB

Master for and while loops in MATLAB, including break/continue, nested loops, preallocation, and iterating cell arrays and structs.

Ranges in D

Learn how D's range interface unifies iteration over arrays, containers, and lazy sequences, and how to compose algorithms with std.range and std.algorithm.

Ranges in Kotlin

Learn how Kotlin ranges express sequences of values for iteration and containment checks using .., until, downTo, and step.

npm & Yarn Cheat Sheet

Covers installing and managing packages, package.json scripts, semantic versioning ranges, lockfiles, and key npm versus Yarn command differences.