Results for “GROUP BY”
Small, practical examples. Search by task or narrow things down below.
Remove one tag while retaining another reference
Docker / Compose: Removing a tag does not delete an image still referenced by another tag.
Docker / Compose✓ Tested
Remove surrounding spaces from text
SQL: TRIM removes leading and trailing space characters by default.
SQL✓ Tested
Remove surrounding spaces from text
SQL Server: TRIM removes leading and trailing space characters by default.
SQL Server✓ Tested
Remove surrounding spaces from text
Postgres: TRIM removes leading and trailing space characters by default.
Postgres✓ Tested
Remove surrounding spaces from text
SQLite: TRIM removes leading and trailing space characters by default.
SQLite✓ Tested
Rename a file with mv
Linux Commands: Rename a known file in the current directory and inspect its new contents.
Linux Commands✓ Tested
Rename a known file through filesystem
C++: filesystem::rename reports an error by exception when the operation fails.
C++✓ Tested
Rename a practice file
Linux Commands: Rename a practice file using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Reorder captured text in a replacement
JavaScript: Use numbered replacement groups to rearrange a known two-part name.
JavaScript✓ Tested
Reorder captured text in a replacement
TypeScript: Use numbered replacement groups to rearrange a known two-part name.
TypeScript✓ Tested
Replace text in a pipeline
Linux Commands: Replace text in a pipeline using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Require every bit in a mask
Arduino / C: Masking followed by equality tests whether all required flags are set.
Arduino / C✓ Tested