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

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GoConcurrency & cancellation

Increment an atomic counter

Increment an atomic counter using a complete Go program with explicit sample inputs.

Go✓ Tested
GoConcurrency & cancellation

Initialize a resource only once

Initialize a resource only once using a complete Go program with explicit sample inputs.

Go✓ Tested
GitGetting Started

Initialize a separate practice repository

Git: Initialize a separate practice repository inside the disposable repository created by the input setup.

Git✓ Tested
AngularLifecycle & observable data

Initialize component data with ngOnInit

Initialize component data with ngOnInit with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
RustThreads & shared ownership

Initialize shared data once

Initialize shared data once in a complete Rust program using the standard library.

Rust✓ Tested
ReactState & reducers

Initialize state lazily

Initialize state lazily with a small React component and explicit browser behavior.

React✓ Tested
ReactAsync work & status

Inject a data loader into a component

Inject a data loader into a component with a small React component and explicit browser behavior.

React✓ Tested
AngularGetting Started

Inject a service into a component

Inject a service into a component with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
jQueryGetting Started

Insert a list item at the beginning

jQuery: Learn how to insert a list item at the beginning in a complete browser example.

jQuery✓ Tested
jQueryInsertion & wrapping

Insert a sibling after an element

jQuery: after preserves the selected element and adds its next sibling.

jQuery✓ Tested
jQueryInsertion & wrapping

Insert a sibling before an element

jQuery: before inserts outside the selected element.

jQuery✓ Tested
PowerShellGetting Started

Insert a variable into a string

PowerShell: Insert a variable into a string using PowerShell 7.

PowerShell✓ Tested