Results for “save file”
Small, practical examples. Search by task or narrow things down below.
Read a stream again from its beginning
C: rewind returns a seekable stream to offset zero and clears its error and EOF indicators.
C✓ Tested
Read characters without confusing EOF with a byte
C: Store fgetc in int so every unsigned-char value remains distinguishable from EOF.
C✓ Tested
Read complete lines into an array
Bash Scripts: Mapfile with -t removes each line terminator but preserves other whitespace.
Bash Scripts✓ Tested
Read compressed text directly
Python: Open gzip data in text mode with an explicit encoding.
Python✓ Tested
Read text line by line
Read text line by line using a complete Go program with explicit sample inputs.
Go✓ Tested
Reject an escaping relative path
Reject an escaping relative path using a complete Go program with explicit sample inputs.
Go✓ Tested
Run an image as a non-root user
Choose an unprivileged numeric identity for the default process.
Dockerfile✓ Tested
Set a working directory
Choose the default directory for later instructions and the running process.
Dockerfile✓ Tested
Set an image’s default command
Use JSON array syntax for a predictable command.
Dockerfile✓ Tested
Set owner-only read and write permissions
C++: Replace ordinary permission bits with the requested owner permissions.
C++✓ Tested
Use a build argument while creating an image
Docker / Compose: ARG supplies a build-time value that is not automatically a runtime environment variable.
Docker / Compose✓ Tested
Write and read binary bytes
Java: Use the byte-oriented Files methods when text encoding should not be involved.
Java✓ Tested