Results for “Errors & optional values”

CSmall algorithms & bit operations

Generate a bounded Fibonacci sequence ↗

C: Keep only the two previous values instead of using exponential recursive calls.

C✓ Tested

PythonMappings & sets

Group records by a field ↗

Python: Accumulate related values with defaultdict without checking whether each group exists.

Python✓ Tested

JavaScriptObject behavior & collections

Group records into map entries ↗

JavaScript: Initialize an array for a missing Map key before appending its values.

JavaScript✓ Tested

TypeScriptObject behavior & collections

Group records into map entries ↗

TypeScript: Initialize an array for a missing Map key before appending its values.

TypeScript✓ Tested

PowerShellFunctions & control

Handle a terminating error ↗

Catch conversion failures and produce a clear fallback.

try catch✓ Tested

PythonStructured data & serialization

Handle malformed JSON input ↗

Python: Catch JSONDecodeError without hiding unrelated programming errors.

Python✓ Tested

PythonGetting Started

Handle three possible outcomes ↗

Python: Check high, normal and low values with an ordered conditional chain.

Python✓ Tested

C#Getting Started

Handle three possible outcomes ↗

C#: Check high, normal and low values with an ordered conditional chain.

C#✓ Tested

JavaGetting Started

Handle three possible outcomes ↗

Java: Check high, normal and low values with an ordered conditional chain.

Java✓ Tested

JavaScriptGetting Started

Handle three possible outcomes ↗

JavaScript: Check high, normal and low values with an ordered conditional chain.

JavaScript✓ Tested

TypeScriptGetting Started

Handle three possible outcomes ↗

TypeScript: Check high, normal and low values with an ordered conditional chain.

TypeScript✓ Tested

C++Getting Started

Handle three possible outcomes ↗

C++: Check high, normal and low values with an ordered conditional chain.

C++✓ Tested