FIND YOUR NEXT FEW LINES

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Small, practical examples. Search by task or narrow things down below.

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CArray transformations

Filter an array in place with a write index

C: Only retained values advance the write position.

C✓ Tested
C#Collections

Filter even numbers

Use LINQ Where to keep even C# values.

C#✓ Tested
JavaCollections

Filter even numbers

Use a Java stream to collect only even values.

Java✓ Tested
JavaScriptArrays

Filter even numbers

Create a JavaScript array containing only even values.

JavaScript✓ Tested
GitCommit history & revision selection

Filter history by its author identity

Git: The author filter selects commits by their recorded author metadata.

Git✓ 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
GitCommit history & revision selection

Find a commit that changed the count of a text string

Git: The pickaxe -S option finds commits that add or remove occurrences of a literal string.

Git✓ Tested
C#LINQ transformations

Find a matching item with a fallback

C#: Use the FirstOrDefault overload with an explicit default value.

C#✓ Tested
GoSlices & collections

Find an item’s index

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

Go✓ Tested
GitBranches & ancestry

Find branches that contain a selected commit

Git: branch --contains limits the list to branches whose histories include the chosen revision.

Git✓ 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