Year 2000

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Year 2000

(programming)
(Y2K, or "millennium bug") A common name for all the difficulties the turn of the century, or dates in general, bring to computer users.

Back in the 1970s and 1980s, the turn of the century looked so remote and memory/disk was so expensive that most programs stored only the last two digits of the year. These produce surprising results when dealing with dates after 1999. They may believe that 1 January 2000 is before 31 December 1999 (00<99), they may miscalculate the day of week, etc. Some programs used the year 99 as a special marker; there are rumours that some car insurance policies were cancelled because a year of 99 was used to mark deleted records.

Complete testing of date-dependent code is virtually impossible, especially where the system under test relies on other systems such as customers' or suppliers' computers. Despite this, the predicted "millennium meltdown" never occurred. Various fixes and work-arounds were successfully applied, e.g. time shifting.

And yes, the year 2000 was a leap year (multiples of 100 aren't leap years unless they're also multiples of 400).

PPR Corp Y2K FAQ.
References in periodicals archive ?
In midtown during the five-year period from 1995 to 2000, real estate taxes increased only 49 cents psf, or 5%.
Rainfall was concentrated in the mountainous regions east of the Red Sea coast, and was heaviest in the areas east of Djeddah and Jizan, with rainfall totals as high as 120 mm and 60-80 mm, respectively, during April 2005, compared with the same period in 2000 (10-50 mm) (online Appendix Figure panels C and D) and in southwestern Yemen, with totals as high as 120 mm during May.
AYRES KAHLER 6800 Normal Blvd, Lincoln, NE 68506; 402/441-4700, FAX: 402/441-4740 7735 South 134th St, Suite 101, Omaha, NE 68138 Web site: www.ayreskahler.com Year established: 1946 Number of employees: 35 Connie Bayless (cbayless@ayreskahler.com) Pres: Mick Sibbel (msibbel@ayreskahler.com) Ag Creative Dir: Bob Mormann (bmormann@ayreskahler.com) Ag Media Dir: Karen Brokaw (kbrokaw@ayreskahler.com) PR Dir: Cullen West (cwest@ayreskahler.com) Ad ag accts: Firestone Ag Tires (projects), 1996; Stauffer Seeds, 2001 (both Lynn Franzluebbers); Baldwin Filters (projects), 2003; Hoegemeyer Hybrids, 2000; TierOne Bank, 1945; Triton Genetics, 2002; Valmont Irrigation, 1961 (all Mick Sibbel) Ad farmer-funded accts: Nebraska Farmers Choice, 2000 (Karen Brokaw)
Department of Labor shows that wages for nearly half of those earning below the citywide median haven't risen as fast as inflation since 2000.
The APA 2000 has a special temperature-control system, a sealed and pressurized sample cavity, and a unique sample handling technique, all of which are said to contribute to highly repeatable measurements of viscosity, gel time, cure time, crystallization rate, final shear modulus, and glass-transition temperature (Tg).
Innovative use of genetic information can help clarify the causal mechanisms linking environmental exposure to disease (Willett 2002; Umbach 2000).
Reservations include concerns about privacy, irrelevance, cost, and perceptions of the steep learning curve required to use computers and the Internet (Lenhart, 2000; Seiden, 2000).
According to Olweus, a noted expert on the topic of bullying, "bullying exists when students are 'exposed repeatedly or over time to a negative action on the part of one or more students'" (as cited in Berthold & Hoover, 2000, p.65).
2000 vote: Harry Browne, in keeping with my usual (though not automatic) practice of voting for the Libertarian presidential nominee.
The primary age of onset of eating disorders, for both males and females, falls between 12 and 26 years with a peak onset age of 14 to 18 years (American Psychiatric Association, 2000; Phelps & Bajorek, 1991).
Research on accident-caused amputation, herein referred to as traumatic amputation, has generally found that psychological adjustment gradually occurs postinjury (Livneh, Antonak, & Gerhardt, 1999; Matsen, Malchow, & Matsen, 2000).
It's available for use with Office 10 for Mac, office XP, Office 2000, StarOffice and Appleworks 6.