Results for “Lists & control flow”
Small, practical examples. Search by task or narrow things down below.
Continue an ordered list at a chosen number
HTML: The start attribute controls the initial ordinal without changing item text.
HTML✓ Tested
Copy nested mutable data independently
Python: Use deepcopy when changes to nested lists must not affect the original object.
Python✓ Tested
Create an archive from an explicit file list
Linux Commands: Use tar -T for a controlled list of relative archive members.
Linux Commands✓ Tested
Debounce a button with a stable-time check
Accept an input change only after it stays stable for 30 ms.
debounce✓ Tested
Define a function with a typed parameter
Accept a name and return a greeting.
function✓ Tested
Display a calculated form result
HTML: An output element can name the input controls contributing to its value.
HTML✓ Tested
Exclude generated files from an archive
Linux Commands: Place exclude options before the input paths to control archive membership.
Linux Commands✓ Tested
Expose a disclosure button’s expanded state
HTML: Keep aria-expanded synchronized with the controlled panel’s hidden state.
HTML✓ Tested
Flatten nested collections
Java: Use flatMap to concatenate nested Java lists into one stream.
Java✓ Tested
Handle a terminating error
Catch conversion failures and produce a clear fallback.
try catch✓ Tested
Include a nonvisible value in form data
HTML: A named hidden input contributes data without adding a visible editing control.
HTML✓ Tested
Join array items with a one-character separator
Bash Scripts: A local IFS controls the separator used by the quoted star expansion.
Bash Scripts✓ Tested