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Results for “Functions & error handling”

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

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GoGetting Started

Handle a failed conversion

Handle a failed conversion using a complete Go program with explicit sample inputs.

Go✓ Tested
C++Filesystem operations

Handle a failed file open through stream state

C++: An unopened input stream is not an empty successful file read.

C++✓ 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
PowerShellStructured formats & encodings

Handle a malformed JSON document

PowerShell: ConvertFrom-Json reports a terminating conversion error under the selected error preference.

PowerShell✓ Tested
ReactAsync work & status

Handle an asynchronous failure

Handle an asynchronous failure with a small React component and explicit browser behavior.

React✓ Tested
jQueryHTTP requests

Handle an unsuccessful HTTP status

jQuery: fail receives the jqXHR object and exposes its status.

jQuery✓ Tested
RustErrors & optional values

Handle integer overflow without panicking

Handle integer overflow without panicking in a complete Rust program using the standard library.

Rust✓ Tested
C#JSON & binary formats

Handle malformed JSON

C#: Catch JsonException for malformed JSON without swallowing unrelated failures.

C#✓ Tested
PythonStructured data & serialization

Handle malformed JSON input

Python: Catch JSONDecodeError without hiding unrelated programming errors.

Python✓ Tested
RustFunctions & data types

Implement a method on a struct

Implement a method on a struct in a complete Rust program using the standard library.

Rust✓ Tested
C#Asynchronous work & URI handling

Increment a shared counter atomically

C#: Interlocked performs an indivisible update without a separate lock for this operation.

C#✓ Tested
C#Asynchronous work & URI handling

Inspect a parsed URI

C#: Use Uri properties instead of splitting URL strings manually.

C#✓ Tested