Results for “invalid”

ReactAccessibility & events

Connect an invalid field to its explanation ↗

Connect an invalid field to its explanation with a small React component and explicit browser behavior.

React✓ Tested

JavaScriptUTC date operations

Detect an invalid Date object ↗

JavaScript: An invalid Date has a NaN time value.

JavaScript✓ Tested

TypeScriptUTC date operations

Detect an invalid Date object ↗

TypeScript: An invalid Date has a NaN time value.

TypeScript✓ Tested

RustParsing & byte data

Detect invalid UTF-8 data ↗

Detect invalid UTF-8 data in a complete Rust program using the standard library.

Rust✓ Tested

PowerShellDates & numeric validation

Parse an integer without throwing on invalid input ↗

PowerShell: TryParse reports conversion success separately from its output value.

PowerShell✓ Tested

AngularAccessibility & reusable patterns

Associate a validation message with a field ↗

Associate a validation message with a field with a standalone Angular component and explicit browser behavior.

Angular✓ Tested

CSSInteraction selectors

Style a control that fails native validation ↗

CSS: Invalid reflects the input’s current constraint-validation result.

CSS✓ Tested

CStrings & byte buffers

Check a literal filename suffix ↗

C: Check lengths before subtracting so a short input cannot produce an invalid pointer.

C✓ Tested

SQLiteJSON data

Check whether text is valid JSON ↗

Reject malformed input before processing it.

json_valid✓ Tested

SQLiteTables & writes

Enable and use foreign keys ↗

Turn on relationship enforcement for the connection.

foreign keys✓ Tested

C++Numeric parsing & calculations

Handle a failed string-to-integer conversion ↗

C++: stoi throws invalid_argument when no conversion can be performed.

C++✓ Tested

Bash ScriptsFunctions & arguments

Parse a short option with getopts ↗

Read a named option and handle invalid flags explicitly.

getopts✓ Tested