Results for “GROUP BY”
Small, practical examples. Search by task or narrow things down below.
Pass filenames with spaces through xargs
Linux Commands: Use null delimiters end to end instead of splitting filenames on whitespace.
Linux Commands✓ Tested
Post URL-encoded form data
jQuery: post sends a data object as form-encoded fields by default.
jQuery✓ Tested
Prevent expansion with single quotes
Linux Commands: Prevent expansion with single quotes using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Print a first terminal message
Linux Commands: Print a first terminal message using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Print a selected range of lines
Linux Commands: Use sed -n with a line address to suppress other output.
Linux Commands✓ Tested
Print integers in different bases
Inspect a byte in decimal, hexadecimal, and binary.
Serial✓ Tested
Print only duplicate values
Linux Commands: Use uniq -d after sorting to report each repeated value once.
Linux Commands✓ Tested
Print only the matching portions
Linux Commands: Use extended regex and -o to extract digit sequences.
Linux Commands✓ Tested
Print separate arguments safely
Linux Commands: Print separate arguments safely using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Print the final lines of a file
Linux Commands: Use tail -n for a fixed-size suffix of a log.
Linux Commands✓ Tested
Quote a CSV field and double embedded quotes
C: A quoted CSV field represents a quote character by repeating it.
C✓ Tested
Rank tied scores without gaps
SQL: DENSE_RANK assigns equal ranks to ties and increments by one for the next distinct score.
SQL✓ Tested