Results for “File operations & binary data”
Small, practical examples. Search by task or narrow things down below.
Sum a row and its immediate predecessor
SQLite: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.
SQLite✓ Tested
Sum integer values
Sum a C# sequence using LINQ.
C#✓ Tested
Sum values per category
Calculate a grouped total.
SUM✓ Tested
Summarize added and removed lines numerically
Git: Numstat provides tab-separated counts suitable for processing.
Git✓ Tested
Supply a default for an unset Compose variable
Docker / Compose: The default interpolation form supplies a value when the variable is absent or empty.
Docker / Compose✓ Tested
Swap owned buffers by swapping their pointers
C: Pointer swaps avoid copying the underlying data.
C✓ Tested
Switch to a newly created branch
Git: Switch to a newly created branch inside the disposable repository created by the input setup.
Git✓ Tested
Take Unicode characters without byte slicing
Take Unicode characters without byte slicing in a complete Rust program using the standard library.
Rust✓ Tested
Test an HTTP handler without a server
Test an HTTP handler without a server using a complete Go program with explicit sample inputs.
Go✓ Tested
Test whether a number is even
Test whether a number is even using a complete Go program with explicit sample inputs.
Go✓ Tested
Test whether one revision is an ancestor of another
Git: merge-base --is-ancestor reports its answer through the exit status.
Git✓ Tested
Toggle a state class
Toggle a CSS class in a jQuery click handler.
jQuery✓ Tested