Quiz: What is the difference between `null=True` and `blank=True` on a Django Model field?
null=True is database-related (storing NULL values); blank=True is validation-related (allowing empty inputs in forms).
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null=True is database-related (storing NULL values); blank=True is validation-related (allowing empty inputs in forms).
The SECRET_KEY provides salt for cryptographic signatures; exposing it compromises session security and forgery protections.
A .dockerignore file speeds up build context transfer and prevents sensitive local files from leaking into image layers.
Mounting the Docker socket allows arbitrary container creation on the host, bypassing container isolation.
… secure guest OS, configurations, data, and access controls.
Pipeline Artifacts persist build outputs (e.g., compiled code binaries or test reports) across workflow jobs.
Secret masking sanitizes build logs, replacing confidential string variables with `***`.
Dependency caching avoids re-downloading unchanged libraries on every workflow invocation.