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Results for “Arduino / C”

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

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TypeScriptArray traversal & selection

Check array membership with includes

TypeScript: includes uses SameValueZero comparison, which also matches NaN.

TypeScript✓ Tested
Linux CommandsSystem information

Check available disk space

Show total, used, and available filesystem space for the current directory in human-readable units.

disk✓ Tested
Bash ScriptsArray operations

Check exact array membership

Bash Scripts: Compare each element literally instead of searching a concatenated string.

Bash Scripts✓ Tested
PowerShellHashtables & object records

Check for a hashtable key before reading it

PowerShell: ContainsKey distinguishes a missing key from a key whose value happens to be null.

PowerShell✓ Tested
JavaScriptStrings

Check for a substring

Perform a case-sensitive JavaScript substring check.

JavaScript✓ Tested
Bash ScriptsDiagnostics & defensive scripting

Check for an installed command

Bash Scripts: command -v checks command resolution without assuming a specific installation path.

Bash Scripts✓ Tested
PostgresJSON & arrays

Check JSONB containment

Test whether an object contains a key-value pair.

jsonb✓ Tested
Linux CommandsSystem information

Check memory usage

Show memory and swap totals in human-readable units. The available column estimates memory usable by new applications.

memory✓ Tested
jQueryForm serialization & state

Check native form validity before proceeding

jQuery: Use the native checkValidity API from the selected form.

jQuery✓ Tested
GitRemotes & additional checkouts

Check out another branch in a second working tree

Git: A linked worktree shares repository objects while maintaining a separate checked-out branch.

Git✓ Tested
CNumeric parsing & arithmetic

Check positive integer addition before performing it

C: Check the upper boundary before adding two known nonnegative integers.

C✓ Tested
Bash ScriptsFiles & reliability

Check that a file is present and nonempty

Test file content availability before reading it.

file check✓ Tested