Search results
Results From The WOW.Com Content Network
[1] [2] The interface of an object conforming to this pattern would include functions such as Insert, Update, and Delete, plus properties that correspond more or less directly to the columns in the underlying database table. The active record pattern is an approach to accessing data in a database. A database table or view is wrapped into a class.
The Lincolnshire Poacher was a powerful British shortwave numbers station that transmitted from HM Government Communications Centre near Gawcott in Buckinghamshire, England, [1] and later from Cyprus, from the mid-1960s to July 2008.
Before 1 October 2002 it was known as the Global High Frequency System (GHFS). HFGCS stations tend to operate in the aviation bands clustered around 5, 6, 8 and 11/12 MHz, although other frequencies are in use. The primary HFGCS voice frequencies are 4724.0 kHz, 8992.0 kHz, 11175.0 kHz, and 15016.0 kHz.
The observer design pattern is a behavioural pattern listed among the 23 well-known "Gang of Four" design patterns that address recurring design challenges in order to design flexible and reusable object-oriented software, yielding objects that are easier to implement, change, test and reuse.
WWCR is a shortwave radio station located in Nashville, Tennessee, in the United States.WWCR uses four 100 kW transmitters to broadcast on about a dozen frequencies.. WWCR mainly leases out its four transmitters to religious organizations and speakers, as well as serving as the shortwave home of Genesis Communications Network's programs. [1]
Walker Interactive Products, earlier known as Jeffrey L. Walker & Company and later known as Walker Interactive Systems (or simply Walker Interactive, Inc.) and then briefly Elevon, Inc., was an American software company of the late 1970s through the early 2000s that was known for making accounting software for large organizations.
The changes are first recorded in the log, which must be written to stable storage, before the changes are written to the database. [2] The main functionality of a write-ahead log can be summarized as: [3] Allow the page cache to buffer updates to disk-resident pages while ensuring durability semantics in the larger context of a database system.
The AT&T receiving Beverage antenna (left) and radio receiver (right) at Houlton, Maine, used for transatlantic telephone calls, from a 1920s magazine. The Beverage antenna or "wave antenna" is a long-wire receiving antenna mainly used in the low frequency and medium frequency radio bands, invented by Harold H. Beverage in 1921. [1]