Results for “beginner”
Small, practical examples. Search by task or narrow things down below.
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
Count the rows in a table
SQL: COUNT(*) includes every row, including rows with NULL columns.
SQL✓ Tested
Count the rows in a table
SQL Server: COUNT(*) includes every row, including rows with NULL columns.
SQL Server✓ Tested
Count the rows in a table
Postgres: COUNT(*) includes every row, including rows with NULL columns.
Postgres✓ Tested
Count the rows in a table
SQLite: COUNT(*) includes every row, including rows with NULL columns.
SQLite✓ Tested
Create a branch without switching to it
Git: Create a branch without switching to it inside the disposable repository created by the input setup.
Git✓ Tested
Create a complete HTML document
HTML: Learn how to create a complete HTML document in a complete browser example.
HTML✓ Tested
Create a first practice commit from staged changes
Git: Create a first practice commit from staged changes inside the disposable repository created by the input setup.
Git✓ Tested
Create a portable relative path
PowerShell: Create a portable relative path using PowerShell 7.
PowerShell✓ Tested