Results for “Promise.all”
Small, practical examples. Search by task or narrow things down below.
Count matching values
Count even numbers in a fixed C array.
C✓ Tested
Count newline characters
Count newline bytes in a C file while retaining EOF as an int.
C✓ Tested
Count occurrences in a sorted sequence
C++: equal_range finds the half-open interval containing values equal to the key.
C++✓ Tested
Count rows satisfying separate conditions
SQL: SUM over CASE expressions calculates several conditional counts in one scan.
SQL✓ Tested
Count rows satisfying separate conditions
SQL Server: SUM over CASE expressions calculates several conditional counts in one scan.
SQL Server✓ Tested
Count rows satisfying separate conditions
Postgres: SUM over CASE expressions calculates several conditional counts in one scan.
Postgres✓ Tested
Count rows satisfying separate conditions
SQLite: SUM over CASE expressions calculates several conditional counts in one scan.
SQLite✓ 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
Count word frequencies
Accumulate word counts in an ordered C++ map.
C++✓ Tested
Create a modified copy of an immutable record
C#: A with expression creates a shallow copy with selected changed properties.
C#✓ Tested
Create a network marked for internal connectivity
Docker / Compose: The internal option disables normal external routing for that network.
Docker / Compose✓ Tested