Results for “all”
Small, practical examples. Search by task or narrow things down below.
Capture a command’s output
Bash Scripts: Capture a command’s output with a small standalone Bash program.
Bash Scripts✓ Tested
Capture output while handling a failed command
Bash Scripts: An assignment inherits the status of its command substitution, allowing both output and status to be handled.
Bash Scripts✓ Tested
Center a fixed-size absolute child with auto margins
CSS: An all-zero inset plus auto margins distributes the available space around the child.
CSS✓ Tested
Centralize state changes in a reducer
Centralize state changes in a reducer with a small React component and explicit browser behavior.
React✓ Tested
Check a literal filename suffix
C: Check lengths before subtracting so a short input cannot produce an invalid pointer.
C✓ Tested
Check a literal prefix in C++17
C++: Use string compare because starts_with was introduced after C++17.
C++✓ Tested
Check a literal string prefix
C: strncmp compares at most the prefix length; both inputs must be valid strings.
C✓ Tested
Check a literal suffix in C++17
C++: Check lengths before subtracting to avoid an unsigned underflow.
C++✓ Tested
Check an upper integer bound before adding
C++: For these nonnegative values, compare against the maximum minus the addend first.
C++✓ Tested
Check exact array membership
Bash Scripts: Compare each element literally instead of searching a concatenated string.
Bash Scripts✓ Tested
Check positive integer addition before performing it
C: Check the upper boundary before adding two known nonnegative integers.
C✓ Tested
Check that an image has layer history
Docker / Compose: history shows the instructions associated with image layers.
Docker / Compose✓ Tested