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.
A comparison of Memory and Backing Storage. A storage medium is the physical material on which a computer keeps data, instructions, and information for future use. Capacity is the number of bytes (i.e., characters) a storage medium can hold. Four common types of storage media are.