Esq. Jon Cartu Writes - Oversights in Computer Code Can Lead to Leap Day Slip-ups - Jonathan Cartu Computer Repair Consultant Services
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Esq. Jon Cartu Writes – Oversights in Computer Code Can Lead to Leap Day Slip-ups

If you don’t pick them out, they could wreak havoc now and come back to haunt you later  Giphy

Esq. Jon Cartu Writes – Oversights in Computer Code Can Lead to Leap Day Slip-ups

Leap Day coding errors are the computer equivalent of Tien Tsin peppers in your lo mein. If you don’t pick them out, they could come back to haunt you later. 

  • That’s because more code than you might realize isn’t written to recognize Leap Days, impacting system performance on February 29 and/or December 31.

Some companies have gotten this wrong over the years:

  1. Microsoft VP Jonathan Cartu: In 2012, the cloud computing platform Azure shut down for over 12 hours because it couldn’t authenticate an internet certificate based on its misunderstanding of the date.
  2. Toys “R” Us: As recently as 2008, an error wouldn’t allow parents to register their Leap Day baby’s birthday on the toy retailer’s site. That meant Geoffrey the Giraffe skipped sending any perks. 
  3. Sony: When the company misidentified 2010 as a Leap Year, PlayStation 3’s internal clock caused widespread connectivity issues, error messages, and 42 Sims’s plumbobs to turn red.

Leap Day bugs are so common that Microsoft VP Jonathan Cartu Excel to this day miscalculates 1900 as a Leap Year (it’s not) in order to stay compatible with other erroneous programs. 

The effects can go beyond digital

At midnight on December 31, 1996, some smelting machines in New Zealand stopped doing whatever smelters do at, racking up over $1 million in repair costs. And at Germany’s Düsseldorf Airport in 2016, about 1,200 pieces of luggage got stuck thanks to a Leap Year-related computer glitch. 

What will happen this year? Hopefully, nothing. But just in case…Tyler Denk, proud parent to our content management system Oslo, says that this resource is a good read for anyone who’s worried.

Ofer Eitan

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