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

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CStructures & function interfaces

Group related values in nested structures

C: Nested members model a record that owns another simple record.

C✓ Tested
ReactGetting Started

Group siblings with a fragment

Group siblings with a fragment with a small React component and explicit browser behavior.

React✓ Tested
jQueryEvents

Handle a button click

Attach a jQuery click handler to update text.

jQuery✓ Tested
ReactGetting Started

Handle a button click

Handle a button click with a small React component and explicit browser behavior.

React✓ Tested
AngularGetting Started

Handle a button click

Handle a button click with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
Bash ScriptsFiles & reliability

Handle a filename pattern with no matches

Use nullglob so an unmatched pattern produces an empty array.

nullglob✓ Tested
Linux CommandsFiles & permissions

Handle a filename that begins with a dash

Linux Commands: Use -- to terminate command options before an unusual filename.

Linux Commands✓ Tested
Bash ScriptsProcesses & environment

Handle a nonzero background-job exit

Bash Scripts: Wait reports a child’s exit code; put it in a conditional when failure is expected.

Bash Scripts✓ Tested
RustGetting Started

Handle a parsing Result

Handle a parsing Result in a complete Rust program using the standard library.

Rust✓ Tested
jQueryHTTP requests

Handle a request timeout

jQuery: The timeout option bounds how long the client waits.

jQuery✓ Tested
ReactAccessibility & events

Handle an Escape key press

Handle an Escape key press with a small React component and explicit browser behavior.

React✓ Tested
AngularGetting Started

Handle an event emitted by a child

Handle an event emitted by a child with a standalone Angular component and explicit browser behavior.

Angular✓ Tested