Results for “empty”
Small, practical examples. Search by task or narrow things down below.
Read the beginning of a text value
TypeScript: Extract or display the first three ASCII characters from a known nonempty string.
TypeScript✓ Tested
Read the beginning of a text value
C++: Extract or display the first three ASCII characters from a known nonempty string.
C++✓ Tested
Read the beginning of a text value
C: Extract or display the first three ASCII characters from a known nonempty string.
C✓ Tested
Read the beginning of piped text
Linux Commands: Read the beginning of piped text using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Read the current branch name
Git: show-current returns an empty string when HEAD is detached.
Git✓ Tested
Read the directory portion of a path
Linux Commands: Read the directory portion of a path using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Read the end of piped text
Linux Commands: Read the end of piped text using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Read the filename portion of a path
Linux Commands: Read the filename portion of a path using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Read the first array element
Bash Scripts: Read the first array element with a small standalone Bash program.
Bash Scripts✓ Tested
Read the first collection element
Python: Access index zero only after establishing that the collection is nonempty.
Python✓ Tested
Read the first collection element
C#: Access index zero only after establishing that the collection is nonempty.
C#✓ Tested
Read the first collection element
Java: Access index zero only after establishing that the collection is nonempty.
Java✓ Tested