Workarounds tend to break down next year (or next leap year) in unpredictable ways.
In 1996, computers at a New Zealand aluminum-smelting plant failed to process the 366th day in leap year.
Lawyers and other professionals will bill added hours on Feb. 29 although not all need a leap year for that.
Microsoft confirmed late Feb. 29 that a service outage that affected its Azure cloud computing service was caused by a Leap Year bug.
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If my math is correct, that means that Snipes served 845 days (remember 2012 was a leap year) of his three year sentence.
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As many as 10, 000 people have since flocked to Leap Year celebrations in Anthony, which has a leaping frog as its town symbol.
Meanwhile, more than 423, 000 people travelled through Glasgow Airport in February, representing year-on-year growth of 2.1% after adjusting for 2012 being a leap year.
While final root cause analysis is in progress, this issue appears to be due to a time calculation that was incorrect for the leap year.
This comes even though Apple reported 17.6% annual revenue growth, or 27% when factoring in that last year had an extra week to account for the leap year.
McDonald's reported lighter sales and slightly lower operating income from a year ago, citing tougher comparisons in part driven by an extra day in 2012 due to a leap year.
Companies' monthly financial reports may run fine for years, then crash in February of a leap year when software tries to compare Feb. 29, 2012, to a nonexistent Feb. 29, 2011.
This improvement was despite there being one less trading day in the period compared with last year, which was a leap year, and Easter falling outside the quarter this year, the company said.
Airlines have posted an average 6.3% increase in the number of February passengers during leap year because of the extra day, based on the past eight years' data from the federal Bureau of Transportation Statistics.
This tradition made it to the big screen via a movie called Leap Year starring Amy Adams (as a young woman who travels to Dublin to propose to her boyfriend on February 29) and Matthew Goode.
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The town calls itself the "Leap Year Capital of the World" and expects 100 or more people with Feb. 29 birthdays to attend its quadrennial Leap Year Day celebration, says Jerry Brown, a pastor and store manager there.
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Comcast's wide-ranging On Demand movie lineup features new release films such as: Nine, Leap Year, The Blind Side, Crazy Heart, The Hangover, The Hurt Locker, Precious and Twilight: New Moon as well as classics like Casablanca, The Exorcist, The Godfather and The Blues Brothers.
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"In the quarter, spend growth continued to be healthy, and was relatively consistent with the past several quarters, despite the negative impact of having an extra billing day in the first quarter of 2012 because of leap year, " Dan Henry, American Express' chief financial officer, said during a conference call with analysts.
Microsoft, which no longer produces Zunes, declined to comment on any likelihood of leap-year bugs this year.
One code-writer's trick, for instance, was to encode dates using the 1, 461 days that make up a full leap-year cycle.
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Apple, for example, reached No. 47 this year, a big leap from 75 last year.
The Internet search, cloud computing, software and advertising giant saw a 36.7% leap from last year.
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The total is expected to nearly double next year, leap-frogging Indonesia for the title of second largest market.
Ubisoft's long-running Ghost Recon series is also making a leap forward in time this year.
It requires no manual adjustment before March 1, 2100, since century years are an exception to the four-year cycle governing leap years.
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It has in the past been reluctant to accept tougher sanctions but, after an embarrassing leap in its exports last year, may now reconsider.
Bradford says fewer than 10% of hiring relies on one-way video interviewing at this point, but HireVue has seen its revenues leap by 500% this year, and is getting set to announce a Series C round of funding shortly.
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MetroPCS says it added 249, 000 net new customers in the third quarter, doubling its year-earlier increase, and Leap Wireless says it gained 156, 000 net customers, more than tripling its year-earlier growth.
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