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These Are the Screws You Should Be Using

April 26, 2014 / / 0 Comments

Devon Jarvis April 25, 2014 9:00 AM

Last weekend I was installing some 2 x 4 blocking for a bathroom cabinet, and I really struggled to drive the screws into the lumber. In fact, whenever I use drywall screws to build stuff, they break or strip. Any suggestions? I’ve tried nailing, but there’s not enough room to swing a hammer. Enough, already! Let’s just stop using drywall screws for construction. We’ve all done it. Yes, they’re cheap. Yes, we always seem to have a box or two of them handy. But they’re not multipurpose screws; they’re good for one thing, and that’s hanging drywall. They almost always snap when overtorqued or driven into hard, dry lumber. (Fact: They’re engineered to be brittle, which suits the drive-and…

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These Are the Screws You Should Be Using

Amazon uses Blu-ray Disc to Archive Data, Just Like Facebook

April 26, 2014 / / 0 Comments

A few years back, Amazon introduced a somewhat bizarre sounding file backup service. Unlike an ordinary S3 bucket, Glacier was designed to protect data that you didn’t constantly need access to. As the name implies, it’s a sort of digital cold storage. It also moves slowly, like a Glacier would. If you need to retrieve some files, it can take three to five hours to “thaw” them. Ever since the service was announced, people (geeky ones, anyway) have been wondering what kind of hardware Amazon Glacier uses that lets them charge such ridiculously low rates. Storage is never cheap when you’re talking about petabytes of data, but if Amazon’s only charging 1 cent per gigabyte of geo-distributed secure storage they must be …

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Amazon uses Blu-ray disc to archive data, just like Facebook

Amazon’s Glacier secret: BDXL

April 25, 2014 / / 0 Comments

Remember when Amazon Web Services (AWS) announced Glacier, a data archiving service, almost 2 years ago? Long-term, slow-retrieval (3-5 hours) storage for 1¢/GB while maintaining several copies across geographies. Pretty amazing. Less amazing now that disk prices are reaching 3¢/GB, but there’s still power, cooling, mounting and replacement costs to consider in addition to multiple copies. Tape? Amazon denied that. Plus the long-term storage requirements for tape require a level of climate control that their data centers may not support. Not tape. Hard drives to the rescue?That left disk. Perhaps Shingled Magnetic Recording (SMR) drives that, in theory, could double existing drive density at the cost of expensive rewrites. Which an archive wouldn’t have. Seagate announced they’d sold a …

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Amazon’s Glacier secret: BDXL

Chrome DevTools Features You May Have Missed

April 25, 2014 / / 0 Comments

In 2013, I posted a few tutorials on DevTools: Markup and Style, Networking and the Console and JavaScript and Performance, covering the basic features of the various DevTools panels. Since then, a lot has changed, so let’s take a look. Tl;dr DevTools has grown quite a bit since it was last covered on Tuts+, here are some of the features you’ll want to be aware of: Screencasting: view and interact with web pages on your Android device via DevTools on the desktop. Workspaces: use the Sources panel as a code editor. Edit code in your project and have that persist to disk. Source Map debugging: writing LESS/Sass or even CoffeeScript? Output Source Maps during compilation to have DevTools understand the mapping. *Flame Chart: *view an interactive …

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Chrome DevTools Features You May Have Missed

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