Results for “Bulk changes & set operations”
Small, practical examples. Search by task or narrow things down below.
Generate a sequence of numbers
Create rows without a stored table.
generate_series✓ Tested
Give a function an optional argument
Let callers omit a value while keeping nounset enabled.
optional argument✓ Tested
Give a read-only container temporary storage
Docker / Compose: Give a read-only container temporary storage using a locally available Ubuntu image.
Docker / Compose✓ Tested
Give a read-only service writable scratch space
Docker / Compose: A tmpfs mount provides temporary storage independent of the root filesystem.
Docker / Compose✓ Tested
Give an existing image another tag
Docker / Compose: Tagging adds a reference without copying the image layers.
Docker / Compose✓ Tested
Give an LED pin a constant name
Arduino / C: Use const to name the built-in LED pin and reuse it in output instructions.
Arduino / C✓ Tested
Group mutually exclusive choices
Use the same name for HTML radio buttons and a fieldset legend.
HTML✓ Tested
Handle an expected command failure
Branch on a command’s exit code without aborting the script.
exit status✓ Tested
Hello World: Blink
Arduino / C: Blink the built-in LED slowly and then quickly, repeating both rates in loop().
Arduino / C✓ Tested
Identify a commit exactly at a release tag
Git: Describe with exact-match refuses to invent a label for a later commit.
Git✓ Tested
Identify the current practice branch
Git: Identify the current practice branch inside the disposable repository created by the input setup.
Git✓ Tested
Ignore a disposable generated file
Git: Ignore a disposable generated file inside the disposable repository created by the input setup.
Git✓ Tested