Results for “character”
Small, practical examples. Search by task or narrow things down below.
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
Java: Extract or display the first three ASCII characters from a known nonempty string.
Java✓ Tested
Read the beginning of a text value
JavaScript: Extract or display the first three ASCII characters from a known nonempty string.
JavaScript✓ Tested
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
Reject an unsupported settings version
Arduino / C: A version byte lets firmware fall back when stored settings use another format.
Arduino / C✓ Tested
Reject insertion when a fixed queue is full
Arduino / C: Track a count separately from circular read and write positions.
Arduino / C✓ Tested
Reject one outlier with a median-of-three filter
Arduino / C: Sorting three values leaves the median in the middle.
Arduino / C✓ Tested
Remove a known prefix safely
Python: Use removeprefix instead of lstrip when removing a literal prefix rather than a set of characters.
Python✓ Tested
Remove blank or whitespace-only lines
Linux Commands: Use a POSIX character class so tabs and spaces are handled together.
Linux Commands✓ Tested
Remove surrounding spaces from text
SQL: TRIM removes leading and trailing space characters by default.
SQL✓ Tested