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PowerShellStrings & literal text

Extract a known substring

PowerShell: Substring uses a zero-based starting index and a character count.

PowerShell✓ Tested
GoHTTP & URLs

Extract a route path variable

Extract a route path variable using a complete Go program with explicit sample inputs.

Go✓ Tested
GoStrings & text

Extract digit sequences

Extract digit sequences using a complete Go program with explicit sample inputs.

Go✓ Tested
jQueryTraversal & selection

Filter a selection

Reduce a jQuery selection to elements with a matching class.

jQuery✓ Tested
PowerShellCollections & objects

Filter items in a pipeline

Keep numbers that meet a condition.

Where-Object✓ Tested
PowerShellGetting Started

Filter pipeline values

PowerShell: Filter pipeline values using PowerShell 7.

PowerShell✓ Tested
GoSlices & collections

Filter values into a new slice

Filter values into a new slice using a complete Go program with explicit sample inputs.

Go✓ Tested
GoSlices & collections

Find an item’s index

Find an item’s index using a complete Go program with explicit sample inputs.

Go✓ Tested
RustMaps & sets

Find common set members

Find common set members in a complete Rust program using the standard library.

Rust✓ Tested
jQueryTraversal & selection

Find descendants

Select only matching descendants of a jQuery container.

jQuery✓ Tested
PowerShellHashtables & object records

Find differences between two collections

PowerShell: Compare-Object marks reference-only values with a left arrow and difference-only values with a right arrow.

PowerShell✓ Tested
RustMaps & sets

Find members missing from another set

Find members missing from another set in a complete Rust program using the standard library.

Rust✓ Tested