Skip to content

Technology

Entries related to techology in general…

How I configured my 5K TV with bundled computer

After seeing the new iMac with Retina 5K display (I'm just going to call it a Retina iMac from here on out, or even riMac for short), I decided it was time to upgrade my aging but still oh-so-functional mid-2011 27" iMac.

For those contemplating the same upgrade, you may be mulling decisions on processor, RAM, storage, and graphics cards; here's the logic behind each of my choices in those areas, in case it helps you with your decision.

CPU

This was the simplest decision to make—I always buy the most powerful CPU I can afford. In the case where the choice is a Core i5 vs. Core i7, I will always go for the Core i7. That's because only the Core i7 supports hyper threading, which, as Apple writes, is "a technology that allows two threads to run simultaneously on each core. So a quad-core iMac has eight virtual cores, all of which are recognized by OS X. This enables the processor to deliver faster performance by spreading tasks more evenly across a greater number of cores."

In addition, by upgrading the CPU, I make the machine more usable many years down the road—whether for my own use, or when reselling to someone else.

[continue reading…]



Leaked—Tim Cook’s October 16th monologue notes!

[Serious, reserved look]
At Apple, your trust means everything to us. And we know that recently we've lost that trust. We released a horridly-rushed iOS 8.0.1 update that clobbered a number of users' phones. Our celebrity users had their most private moments shared with the world. Our web site crashed when people tried to order the new iPhone 6. We had to ship iOS 8 without HealthKit and iCloud Drive. We spammed everyone with a U2 album that not everyone wanted. Hell, the last time I tried to give one of these talks, most everyone on the internet had to listen to a Chinese version of myself at the same time.

[Earnest appearance, eye contact with everyone!]
As you can see, we've made a number of seriously un-Apple-like mistakes recently, and quite frankly, that's not acceptable. Not acceptable to you, our customers. Not acceptable to me, and certainly not acceptable to everyone else here at the company. This is not the Apple we all know and love[dramatic pause]…users have been putting up with this for way too long, and today, it ends! [demonstrative]

[continue reading…]



Portable power pack products prevent powerless problems

"Hello, my name is Rob, and I have a portable power problem. It's been six days, 13 hours, and 23 minutes since I last bought a portable power solution."

OK, so that's a bit over the top. But still, I find portable chargers appealing, as I don't like being without power when away from a wall outlet. Whether it's a long flight, a camping trip, or a Mother Nature-induced power outage, I like having alternatives. That's why there are currently eight chargers in my collection, as seen in the image at right (click for larger).

And while I can't pretend to be anywhere near as thorough as The Wirecutter, I thought it'd be interesting to compare all eight of these portable chargers.

The following table provides baseline specs on all eight chargers, and shows how much power you're getting for each ounce of weight you carry (mAh per Ounce) and how much you'll pay per milliampere-hour (mAh per Dollar)—so you can choose by power effectiveness or cost effectiveness. (The order of the table corresponds to the numbering in the above-right photo.)

My two favorites are highlighted; the Jackery is an ideal size to carry around nearly everywhere, and the EC Technology is excellent for camping trips or other extended periods away from power. Beyond the table, I share a few thoughts on each of these power bricks, in case you're really interested in these things.

#ProductSize (LxWxH, inches)Volue (cubic inches)Weight (oz)Capacity (mAh)mAh per OunceCost ($)mAh per Dollar
1OrigAudio w/ Oracle logo3.751.750.805.34.11,000243.9----
2Sony CPV3 Portable Power Pack4.001.500.754.53.02,800933.3
3Sony USB Portable Charger5.132.750.638.89.610,0001,041.7
--Sony Cycle Energy - 2+3 sold as a set13.312.612,8001,015.9$83.85152.7
4Zagg 6000 battery pack4.252.751.7019.97.56,000800.0$55.89107.4
5EC Technology Power Bank6.302.900.8014.615.422,4001,454.5$45.95487.5
6Jackery Giant+ Portable Charger4.303.100.8010.710.412,0001,153.8$39.95300.4
7Boostcase Hybrid Battery Case5.502.380.405.22.82,200800.0$99.9522.0
8JunoPower JunoJumper5.472.950.599.57.26,000833.3$99.9960.0

Read on for a little blurb on each charger…

[continue reading…]



An odd iOS8 wallpaper placement issue

While creating and testing my iPhone 6 wallpapers, I ran into a little issue with how iOS 8 (I think that's the culprit) places wallpaper. You can see the issue by watching (and listening; yes, there's an audio track!) the movie at right.

You won't see this problem unless you try to use a wallpaper with a visible row for iOS's page indicator dots; I prefer this style of home screen, as I like the separation it adds between the dock and the icon area.

When placing such a wallpaper, however, if you don't bounce it off the top of the display, it winds up being positioned just a bit too low—the row that's supposed to contain the page indicator dots won't quite be in the right spot. As I wrote on my iPhone 6 wallpapers post, here's the workaround in text:

  1. Tap the desired home screen icon to see the full-size version.
  2. Disable Perspective Zoom. (It won't work right with the navigation highlight row I use.)
  3. Pinch and zoom out so the image is at it's 100% size.
  4. Now drag the image up and let it bounce—this is the critical step.

This really strikes me as a bug, because the images I'm using are 750x1334, which exactly matches the iPhone's resolution. So with perspective zoom off, and the image shrunk to its smallest (actual) size, there should only be one way to put that image on the screen. But, as seen in the video, that's not the case.

This is probably of use to only a couple other people on the planet who like divider rows for the page indicator dots…but if you're one of those people, hopefully this helps you get your wallpapers properly positioned.



Wallpapers: iPhone 6

Once I had my iPhone 6 syncing, it was time to get to work on my home and lock screen wallpapers. I have made these for every iOS device I've owned—here's the full collection.

My home screen wallpapers feature a bar to highlight the paging dots, and are typically "low noise" to make it easy to see icons and text. The lock screen wallpapers have no such restriction, and include a little bit of everything.

These wallpapers are 750x1344 pixels in size, and are designed for use on the iPhone 6, as that's what I have. (If you use a Plus, and really like an image or two, let me know and I can make one for the larger phone.) Note that the images shown in the image sliders below (hover and click to cycle) are low-quality 180x320 JPEG representations of the actual photos; to get the high-quality images, download the entire bundle [24MB] and install only those you wish to use.

Home Screens (16)Lock Screens (52)

Note: Due to a quirk in iOS 8, you need to use these steps when installing one of my home screens, otherwise the nav bar (the bar that shows the page navigation buttons) won't be located in the right spot. Here's how, assuming you're in the "Choose a new wallpaper" section of iOS:

  1. Tap the desired home screen icon to see the full-size version.
  2. Disable Perspective Zoom. (It won't work right with the navigation highlight row I use.)
  3. Pinch and zoom out so the image is at it's 100% size.
  4. Now drag the image up and let it bounce—this is the critical step.

If you've done the above steps right, then you'll see quite a few pixels of the nav bar above the Perspective Zoom button (top image). If you haven't done it properly, then the nav bar will barely clear the button (bottom image).

Given the images are the same resolution as the screen, I have no idea why this happens…but it does, and this is the only way to make sure the nav bar winds up where you want it.

License: All photographs in these wallpapers are © Rob Griffiths, and are freely provided for personal use only. You may not include these wallpapers on other sites, nor in any commercial product, without my prior permission. (I hate having to put this here, but prior experience has shown it to be necessary.)



A visual guide to iPhone screen resolution over time

While I was working on some iPhone 6 lock and home screens, I paused for a few minutes to put together this visual guide to the iPhone's changing screen resolution over the years (click to zoom):

Both the inline and zoomed image above are smaller than 100% scale, of course. But if you'd prefer, you can check out the massive full-size version. Be forewarned, this is a 3628x2188 pixel photo, and it's 1.7MB in size.

For the curious, the original photo was taken at Great Sand Dunes National Park and Preserve, at roughly this spot, looking north-ish.

When viewed in this comparative manner, the iPhone Six Plus' resolution really stands out—there are a ton of pixels on that gorgeous screen!



I asked Tim Cook for tech support…and you should, too!

Those following me on Twitter this weekend will have noticed that my (lovely, stunning, amazing, I am keeping it) iPhone 6 is not playing nicely with iTunes. I've invested over 10 hours—in one day—just trying to get music and movies onto my iPhone.

Frustrated as hell, I decided ask Tim Cook for some tech help, not that I have much hope of any sort of reply. Emails to his address, however, are apparently all read by someone. For those having similar issues, I think it may be useful to also send your feedback in Tim's direction; his email address (not a secret, published in many places) is tcook at Apple's domain. Perhaps if there are enough voices providing feedback in high places (not that Tim reads these himself), we might see some action.

Further update: I have now done two full system restores. I did the second just before bed last night, and let the iPhone sync overnight. On wake, everything worked! So then I added in a few more movies, and—of course—they failed to sync. So now I'm back where I started, oh so many hours ago.

Anyway, For the curious, here's the tech support request I sent to Tim yesterday.

[continue reading…]



My iPhone 6 case of choice…or choice of case?

With my recent iPhone 6 purchase, at first I was contemplating no case at all. I was thinking I'd just put on a set of Bodyguardz clear skins and call it good.

But (to me, at least) the iPhone 6 is quite slippery—much more so than my iPhone 5. And given my history of dropping my iPhone 5 in some really bad spots, I decided a case was a good idea.

At the Apple Store, they had Apple's own leather and silicon cases, and some cases from an unknown (to me) company, Tech21. The Apple cases are nice, but they completely cover the gorgeous phone. So I tried one of the Tech21 cases, and came away impressed enough to buy one.

The cases in the Apple Store—the Evo Mesh for iPhone 6 and 6 Plus—aren't even on the Tech21 site yet. However, it's the same design as the Evo Mesh for iPhone 5s, just upsized. You can find the case listed on the Apple Store, though not the color I purchased (smoke with the protective edge bits in orange).

I like that the case is really thin and light, that I can still see the back of the iPhone, and that the important bits are all protected. I'm not sure about the effectiveness of Impactology, and I hope I never have to find out.

Even in the case, my iPhone 6 is slimmer than my iPhone 5 in its also-very-thin case, as seen in the image above—the iPhone 5 is the blue case in the background.

The Evo Mesh case is grippy soft plastic, making the phone easy to hold. It's not, however, so grippy that it won't slide in and out of pockets, which is good. The cover slips on easily, fully covers the volume and power buttons, and leaves the important ports uncovered. The top protrudes just slightly above the height of the phone, so I can set the phone face down without worry. The case is also just thick enough that the protruding camera lens no longer protrudes, which I love.

Overall, I'm impressed with this case. We'll see how it holds up over the next few months, but initial impressions are good.



A [possibly dangerous] fix for the bash security exposure

In case you missed the news, there’s a big security hole in the bash shell. If you’re using an OS X machine and it’s not exposed to the internet (and even then, not running a publicly-facing service that communicates with bash), you shouldn’t have much of anything to worry about. In theory, anyway.

In practice, because I like to live dangerously, I decided I wanted to make my machine safe. Or at least try. What follows is the how-to for how I did it.


Note: Please exercise extreme caution if you're going to follow my how-to! I am replacing a couple of key system-level files with a new, untested-by-Apple version. It's quite possible this may break my system in ways I haven't yet discovered. Also, given that there's probably not any exposure for a typical user not running web-facing apps that interface with bash, this really isn't worth doing for most users.


With that disclaimer out of the way, read on for my how-to…

[continue reading…]



Cutting the land line (sort of)

Being old school—and just old in general—our family has always had a land line (i.e. Plain Old Telephone Service or POTS). We've also had the same POTS phone number for well over a decade, so it's the number that everyone uses to call us at home. Add in the fact that (at least until very recently) AT&T cell service at our home was marginal to poor, and there really wasn't much desire to cut our land line for all-cellular.

Until I looked at our bill, that is, and discovered that our POTS line was costing us over $30 a month. Even at that amount, we paid extra for caller ID, and still had to pay for long distance calls. So once AT&T upgraded the cell towers near our home, we started using our cell phones for all long distance calls. But still, our POTS number was well known to friends and family, so we didn't want to just kiss it goodbye. But that $30+ a month was basically a complete waste of money, so I started looking for other solutions.

Enter VOIP, or Voice Over IP. This technology has been around a long time, but I never really felt ready to make the move. Then I started looking into it, and found that I could save about 90% of the monthly cost of my POTS line, keep my phone number, and gain a number of useful features. That made the "go" decision quite easy to make; read on if you're curious about replacing a land line with a VOIP service.

[continue reading…]