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.
KeepKey is a device which stores and secures your Bitcoins. By entrusting your KeeyKey device your money, every single one of your bitcoin transactions must be reviewed and approved via itâs OLED display and confirmation button. All of your private keys are stored securely on your KeepKey, never leaving the device.