Normally, it's a four-digit numeric code derived from a specific mathematical equation; something that would have relevance for both the operative and his handler.

The legal system is based on Sharia (Islamic law), with Shari'a courts basing their judgments largely on a code derived from the Qur'an and the Sunnah.

It later returned with code directly derived from Mozilla's open source, excluding the core proprietary library used to create minimal pages and desaturated colors.

Daniele Filaretti helped with syntax highlighting using code derived from the Joe editor.

This drew an outburst from the Saudi delegates, who said that the committee had no jurisdiction over Shariah, the Islamic legal code derived from the Koran.

The code, derived from a combination of algebra and Ancient Greek, was deciphered in the 1930s.

It is well known, however, that Psystar employed code derived from the OSx86 project without permission and expressly against the license for that code.

The fundamentalists also established a strict security system based on sharia, the penal code derived from the Koran, which, among other things, calls for the amputation of limbs for theft.

As for the kernel, it is being made "with ported code derived from a combination of sources."

It is primarily based on the Civil code of 1855, derived from Spanish law and subsequent codes influenced by European law of the last half of the 19th Century.