Back in August, Barclays Bank, Europe's sixth largest bank by market value, suffered a power outage that kept its customers from accessing the bank's ATM machines or their bank accounts. Barclays said that the outage lasted twenty minutes, although its impact was felt for most of the day. Since the outage occurred on a Saturday afternoon, it caused anger among its customers who were out shopping.

Well, this past Saturday afternoon around 1415 BST, Barclays' Barclaycard electronic fund transfer (EFT) system suffered a "technical issue" which caused a 20 - 45 minute outage, the London Telegraph and others reported. This time, stores using the Barclaycard EFT system couldn't process customer credit or debit cards, or their ATM transactions.

The stores reportedly affected were Sainsbury's, Waitrose, Morrisons, B&Q, Homebase and Argos. All 872 Sainsbury's stores were affected.

According to this story in TechWorld, Barclaycard processes electronic payments for 85,000 UK retail outlets.

Barclay's apologized and said an investigation into what happened has been launched. A complaint from the August outage was the bank's poor risk communication about what happened and why. Maybe Barclays will be more forthcoming this time.

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Why Functional Programming Should Be the Future of Software Development

It’s hard to learn, but your code will produce fewer nasty surprises

11 min read
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A plate of spaghetti made from code
Shira Inbar
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You’d expectthe longest and most costly phase in the lifecycle of a software product to be the initial development of the system, when all those great features are first imagined and then created. In fact, the hardest part comes later, during the maintenance phase. That’s when programmers pay the price for the shortcuts they took during development.

So why did they take shortcuts? Maybe they didn’t realize that they were cutting any corners. Only when their code was deployed and exercised by a lot of users did its hidden flaws come to light. And maybe the developers were rushed. Time-to-market pressures would almost guarantee that their software will contain more bugs than it would otherwise.

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