Results for “for loop”
Small, practical examples. Search by task or narrow things down below.
Build text incrementally with StringBuilder
C#: Append fragments instead of repeatedly concatenating intermediate strings in a loop.
C#✓ Tested
Check whether input is a nonnegative integer
Reject empty input and nonnumeric characters before arithmetic.
validation✓ Tested
Clean up a generator after an early break
JavaScript: Breaking a for-of loop closes a generator and runs its finally block.
JavaScript✓ Tested
Clean up a generator after an early break
TypeScript: Breaking a for-of loop closes a generator and runs its finally block.
TypeScript✓ Tested
Count the items in a collection
Python: Read the collection’s length instead of hard-coding the loop limit.
Python✓ Tested
Count the items in a collection
C#: Read the collection’s length instead of hard-coding the loop limit.
C#✓ Tested
Count the items in a collection
Java: Read the collection’s length instead of hard-coding the loop limit.
Java✓ Tested
Count the items in a collection
JavaScript: Read the collection’s length instead of hard-coding the loop limit.
JavaScript✓ Tested
Count the items in a collection
TypeScript: Read the collection’s length instead of hard-coding the loop limit.
TypeScript✓ Tested
Count the items in a collection
C++: Read the collection’s length instead of hard-coding the loop limit.
C++✓ Tested
Count the items in a collection
C: Read the collection’s length instead of hard-coding the loop limit.
C✓ Tested
Disable a service’s network interfaces
Docker / Compose: network_mode none leaves only the loopback interface.
Docker / Compose✓ Tested