1 Around 10% of men is affected by pearly penile papules.  After masturbation or sexual intercourse hard swelling might appear near the foreskin, in the shaft of the head of the penis. This swelling is called lymphocele, and is caused by temporary blockage of the lymphatic channels at the area described.
A key-value store, or key-value database, is a data storage paradigm designed for storing, retrieving, and managing associative arrays, a data structure more commonly known today as a dictionary or hash. Dictionaries contain a collection of objects, or records, which in turn have many different fields within them, each containing data.
Key and Key ID. When you package a file, you use a key. A key is a piece of data used in the encryption algorithms that protect the content. There are two parts to each key: a license key seed and a key ID (often abbreviated as KID). The key ID is public, and is stored in the file header as a way to identify the key required to decrypt the file.