The below is an off-site archive of all tweets posted by @mjtsai ever

September 2017

If you prefer the White Mountains for your High Sierra desktop pictures: flickr.com/photos/nickerw… flickr.com/photos/nickerw…

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Measuring Swift Compile Times in Xcode 9: mjtsai.com/blog/2017/09/2…

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@jgordonshare Yeah, my sense is that Photos is still weak with that compared with Aperture/Lightroom.

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@z31r4m @getongab Seems like what he’s proposing is quite different from what Gab does.

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@rjonesy Yeah, that stopped working around the same time.

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YouTube Drops Echo Show, Amazon Adds Apple TV: mjtsai.com/blog/2017/09/2…

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Fixing Twitter With Reputation Systems: mjtsai.com/blog/2017/09/2…

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Relicensing React, Jest, Flow, and Immutable.js: mjtsai.com/blog/2017/09/2…

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iOS 11 Smart Punctuation and Null Characters: mjtsai.com/blog/2017/09/2…

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@rjonesy It worked well for me at first, now pretty much never works.

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@jgordonshare It’s not as if Apple gave any choice for JPEG, either. What does “metadata structure” refer to?

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@ccgus Thanks for explaining. Was wondering why no Mac apps seemed to support saving to HEIF.

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@owensd Possibly. Maybe sandboxing blocks it somehow.

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@steipete @NeoNacho IIRC, stringByTrimmingCharactersInSet: does work with \0.

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@danielpunkass Yeah, this is very strange. No dogfooding? Thanks for tracking this down and blogging it!

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@danielpunkass Are you saying that if you don’t Export Archive you can’t even run the app from Xcode?

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VMware partition not shrinkable with macOS 10.13—because of APFS?

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@Gok Thanks, although not a great solution for the car, which is where I would mostly use this.

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Surprising Behavior of Non-optional NSManaged Properties: mjtsai.com/blog/2017/09/2…

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Anyone know whether High Sierra includes patches for the Skylake/Kaby Lake hyper-threading bug? mjtsai.com/blog/2017/06/2…

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Swift Proposal: Non-Exhaustive Enums: mjtsai.com/blog/2017/09/2…

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iTunes Rentals Increase From 24 to 48 Hours: mjtsai.com/blog/2017/09/2…

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@foadafshari Just to be clear, do you have the ATV4 (Siri Remote) or ATV3 (silver slab)?

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@steipete Or at least a better error message, since Apple TV 3 works elsewhere in Control Center…

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@steipete Misread your tweet. The one before the 4K is Apple TV 4. I’m talking about version 3, the one that added 1080.

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@steipete Yeah. For me it works with the Remote app but not with Control Center, which “searches” indefinitely. Saw… twitter.com/i/web/status/9…

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iOS 11 Control Center remote doesn’t work with Apple TV 3. :(

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@grynspan @lapcatsoftware @stattenf I’m guessing it could work but that Bluetooth uses much less power.

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@nicklockwood @jckarter @zats Of course, that can be a fine distinction. But, for example, I like Array.min() as a function.

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@nicklockwood @jckarter @zats I wondered about that, too. Maybe a distinction about computing a derived value rathe… twitter.com/i/web/status/9…

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@peternlewis That’s what the UI seems to show, although you can’t use Cellular in Airplane Mode.

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@lapcatsoftware I like that they don’t use Apple’s servers. I wonder if there’s a technical reason they can’t use l… twitter.com/i/web/status/9…

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iOS 11: Control Center No Longer Turns Off Bluetooth and Wi-Fi: mjtsai.com/blog/2017/09/2…

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@jgordonshare I’ve been using this cheaper one in the car, and it’s been fine: amazon.com/gp/product/B07…

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@marcpalmerdev I think you only need an A9 for that, so the A10X should be fine.

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@DamienPetrilli No, this is about Apple Maps and the new Apple Park campus.

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No 4K iTunes Videos on iPad Pro or Mac: mjtsai.com/blog/2017/09/1…

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@WestonHanners Yes, that one is already in the .pem from curl.

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@WestonHanners I’m fetching feeds from 250 other https URLs, including some that I know use Let’s Encrypt, but your… twitter.com/i/web/status/9…

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@WestonHanners It does seem to be in the updated “cacert.pem” file that I downloaded from curl’s site. This is all… twitter.com/i/web/status/9…

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@WestonHanners I would be happy to fetch via plain http but the redirect foils that.

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@WestonHanners I think Twitter removed the “https://”. It has always been part of my curl command.

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@WestonHanners Downloading a new cacert.pem from curl.haxx.se/docs/caextract… and passing it in via --cacert does not help.

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@WestonHanners It works on my Mac, but on my server “curl alloc-init.com/feed” reports an error 60 sending me to curl.haxx.se/docs/sslcerts.…

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@nicklockwood @bob_burrough @charlesismcom Perhaps they realized the convention was a bad idea, as @ksegall and others have argued.

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@WestonHanners FYI, “curl” is giving me a SSL certificate error when trying to access your site’s RSS feed.

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@peternlewis Looks like you’ve been busy. Congrats!

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@McCloudStrife Yeah, seems like it would be more in need of it…but OTOH I never found Reachability to be a great solution to that problem.

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New App Store Review Guidelines: Gifts, Face ID, Ark: mjtsai.com/blog/2017/09/1…

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@McCloudStrife Yes, but that wasn’t as easy to trigger as I’d like. This seems faster.

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iTunes 12.7 Drops Apps and Ringtones: mjtsai.com/blog/2017/09/1…

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macOS 10.13 High Sierra Shipping Soon: mjtsai.com/blog/2017/09/1…

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@stuwillis Thanks for the report. Anything else you can tell me about the volume? Please contact dropdmg@c-command.com.

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@shepgo Yeah, wasn’t expecting it today. But at this point we don’t even know if there will be a new one in early 2018.

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@andrewabernathy Larger size would be more palatable if it didn’t require a case. Doesn’t look like X improves over… twitter.com/i/web/status/9…

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@OluseyiSonaiya @ClarkGoble I guess you’re talking about movies? Lots of TV not available with Netflix/Amazon subscription, or for rental.

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@OhMDee @nickheer Thanks. That’s what I thought he said, but not sure how to square this with Disney news. I guess no 4K from them at all?

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@OluseyiSonaiya @ClarkGoble Makes sense, but doesn’t really work for us because we don’t watch very much.

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Free video upgrades from old HD to 4K: good. But does that mean no 4K price increase for new videos? Or that HD ones become more expensive?

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@OluseyiSonaiya @ClarkGoble Yeah, wish I’d done that then. Really don’t want to split my video library, though.

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@ClarkGoble @OluseyiSonaiya I was surprised by the Apple TV stuff as well. This really did nothing to convince me t… twitter.com/i/web/status/9…

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Still have no idea what I’d do with an Apple Watch, but the new sport band is the first band that I’ve liked.

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@invalidname Yeah. But I don’t want them to tie the price tiers to the size tiers. I want current tech in the comfortable form factor.

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@rjonesy Do we know how fast wireless charging is in comparison?

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Type “macOS 10.13 Ships 9/25” to really confuse Fantastical.

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@invalidname Presumably. But if they’re really worried about it drawing sales, that doesn’t say much for the worth of the new 8/X features.

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On the other hand, I fear they’ll remove the comfortable edges.

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Sure would be nice to see an updated iPhone SE.

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@hbons @steipete Looks like when the Apple menu was in the middle.

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Animoji Rejected From the App Store: mjtsai.com/blog/2017/09/1…

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@nriley Yeah, I reported that a while ago. :( The other problem, which just hit my dad, is that sometimes it hangs… twitter.com/i/web/status/9…

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@daringfireball At this rate I’m expecting some Kubrick news by the end of the week.

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@jckarter Because KVO checks are relaxed or because addresses of ivars are handled differently?

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1Password Command-line Tool Public Beta: mjtsai.com/blog/2017/09/0…

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@jckarter @owensd Any way to give it a hint, given that it already knows it’s an Array<Int>?

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@jckarter @owensd Yeah, I would have expected it to inline access to start index, etc., instead of calling through a witness table.

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@jckarter @owensd Interesting…although that doesn’t seem to be what’s slowing this down.

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@owensd Your code seems too simple to be wrong. A quick look in Instruments seems to show a lot of protocol overhead…

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@owensd Reallocating seems like a good guess. Why would you need a lot of ARC for Ints?

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@owensd LL is not that surprising; I assume there’s ref-counting overhead. But two orders of magnitude slower for an array of Int?

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@owensd Wow, I wonder why the Swift numbers are so bad.

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@stuwillis Yes, still using for archives of projects and OS installations.

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Injecting Missing Methods at Runtime: mjtsai.com/blog/2017/09/0…

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Behind the Scenes of AMP at Condé Nast: mjtsai.com/blog/2017/09/0…

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@stuwillis My recollection is that it stopped working well long before that, at the OS X transition.

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@stuwillis Yeah, every backup system seems to have some downsides. Closest to perfection was perhaps 90s Retrospect.

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@stuwillis I’ve had a bunch of issues with Arq over the years, but overall very happy with it.

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@stuwillis I think I didn’t know about those when I started using Arq. But, yes, the metadata stuff is important to… twitter.com/i/web/status/9…

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@_karsten_ They simply don’t allow rewriting at all? Which file system are you supposed to use?

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@_karsten_ “Don’t handle rewrites” meaning that it’s slow? Or that the drives fail earlier if you write a lot?

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@rkudeshi That looks like a great deal. Thanks.

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Anyone have experience using Western Digital AE (“Archive”) drives for backups?

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iCloud Backups: Contacts vs. Notes vs. Reminders: mjtsai.com/blog/2017/09/0…

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@DSHowell I don’t think it auto-translates, although you can reference by number instead of string (and hope it doesn’t change).

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Decoding NSASCIIStringEncoding Is Not Strict: mjtsai.com/blog/2017/09/0…

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@mergesort I don't have a real fix for the problem, hence all the discussion about a workaround.

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@mergesort I think I linked to that post because of the second paragraph. Is there another link that you think would be better?

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