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Results for “on”

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

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C++Numbers & algorithms

Sum vector values

Use std::accumulate with a wide initial value.

C++✓ Tested
GitInspecting the working tree

Summarize added and removed lines numerically

Git: Numstat provides tab-separated counts suitable for processing.

Git✓ Tested
Docker / ComposeCompose service options

Supply a default for an unset Compose variable

Docker / Compose: The default interpolation form supplies a value when the variable is absent or empty.

Docker / Compose✓ Tested
ReactGetting Started

Supply a default prop value

Supply a default prop value with a small React component and explicit browser behavior.

React✓ Tested
Docker / ComposeCompose service options

Supply a non-secret configuration file

Docker / Compose: A Compose config mounts a declared file into the service.

Docker / Compose✓ Tested
HTMLMetadata & document links

Supply a title and URL for link previews

HTML: Open Graph metadata describes a shared page without changing its visible content.

HTML✓ Tested
Docker / ComposeExecution & file transfer

Supply an environment variable to an exec process

Docker / Compose: An exec environment override applies to the new process only.

Docker / Compose✓ Tested
CDynamic memory & ownership

Swap owned buffers by swapping their pointers

C: Pointer swaps avoid copying the underlying data.

C✓ Tested
CNumbers & memory

Swap two integers

Use a temporary value to swap C integers without arithmetic overflow.

C✓ Tested
GitGetting Started

Switch to a newly created branch

Git: Switch to a newly created branch inside the disposable repository created by the input setup.

Git✓ Tested
AngularSignals & state

Synchronize a document property with an effect

Synchronize a document property with an effect with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
ReactGetting Started

Synchronize the document title with state

Synchronize the document title with state with a small React component and explicit browser behavior.

React✓ Tested