Results for “HEAD”
Small, practical examples. Search by task or narrow things down below.
Sort preferred rows ahead of other rows
SQL Server: A CASE ordering key expresses business priority before a stable secondary sort.
SQL Server✓ Tested
Sort preferred rows ahead of other rows
Postgres: A CASE ordering key expresses business priority before a stable secondary sort.
Postgres✓ Tested
Sort preferred rows ahead of other rows
SQLite: A CASE ordering key expresses business priority before a stable secondary sort.
SQLite✓ Tested
Span a group header across several rows
HTML: Rowspan can label a group of related rows without repeating the label.
HTML✓ Tested
Span one header across several columns
HTML: Colspan lets a heading cover a defined number of columns in the table grid.
HTML✓ Tested
Store a variable-length payload after a structure header
C: A flexible array member lets one allocation hold metadata and trailing bytes.
C✓ Tested
Structure a document with headings
Use a single page heading and a second-level section heading in HTML.
HTML✓ Tested
Use headings to show document structure
HTML: Learn how to use headings to show document structure in a complete browser example.
HTML✓ Tested
Count commits unique to each of two branches
Git: The symmetric difference with left-right separates commits reachable from only one side.
Git✓ Tested
Read a byte prefix
Linux Commands: Use GNU head -c for a fixed number of bytes, independent of line boundaries.
Linux Commands✓ Tested
Read a file from a commit
Inspect committed content without changing your working copy.
show✓ Tested
Read the beginning of piped text
Linux Commands: Read the beginning of piped text using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested