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

December 2017

@eneko @olebegemann I mean at the macro level. How many months does the battery have to degrade before this starts… https://t.co/Yx0K8DZu5l

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@eneko @olebegemann Right. But there’s a big difference between hiding it for 1 year vs. 3 years. We also don’t kno… https://t.co/ISJDAGRMxh

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@eneko @olebegemann Larger batteries wouldn’t age slower, but they would have more headroom to still meet the proce… https://t.co/jQF4tvGR0a

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@YellowNewton In this case, the problem is a storage driver.

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Just had a good experience with Mac App Store reviews. Customer complained about an error I hadn’t seen before, I a… https://t.co/o6jEv2gfRf

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@jgordonshare Yeah, and I’d love a way to choose which date the RSS/Atom feed generators use.

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@jgordonshare I wrote a little PHP that queries WordPress, sorts by date, and compares the modified and posted date… https://t.co/VZPMebrakj

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@lapcatsoftware I’d like to have one, but haven’t figured out how to do that yet.

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New blog feature: a page that lists old posts that have been updated recently. https://t.co/pYbWdZU8qp

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@mpweiher @cdfinder @felix_schwarz Done. Thank you so much for writing the book. I really enjoyed it.

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Apple’s Message to Customers About iPhone Batteries and Performance: https://t.co/Tu8fPNAjp7 #mjtsaiblog

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@handcoding I don’t really see how it’s more anonymous than before if the social norm is that you have to use your real name.

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Apple Support Tells Customers to Ask Developer for Refund: https://t.co/1Zxmjj520Y #mjtsaiblog

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@Bonney @mdrockwell The main issue isn’t slowing down the phones with bad batteries; it’s designing the phones with… https://t.co/1gxOCSqwd5

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RT @felix_schwarz: Grab a copy of "iOS and macOS Performance Tuning" by @mpweiher if you haven't already. It's that good. https://t.co/nqit…

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@jgordonshare They specifically denied that, but wouldn’t surprise me.

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@JoshuaNozzi @lapcatsoftware I don’t think that works since Mail switched to CoreSpotlight.

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@lapcatsoftware Seems to be a bug related to Mail switching to CoreSpotlight.

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@lapcatsoftware Great! But if your Mac is anything like mine you’ll have to repeat in a week or two.

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@lapcatsoftware Sorry to hear that. I haven’t seen rebuilding mess up smart mailboxes before. Did you try resetting Spotlight?

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@Maflagulator @jgordonshare @marcoarment The 6s throttling update affected more than just the phones with the faulty batteries.

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@The_Evan @jgordonshare @marcoarment Also wrong that the update that introduced throttling specifically targeted ph… https://t.co/xfykxxx28P

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@marcoarment What is the evidence they were long out of warranty? 6s was only 1.5 years old when they introduced 10… https://t.co/gcDrni2eos

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@The_Evan @jgordonshare @marcoarment If they failed during the warranty period Apple should replace them, even if t… https://t.co/RF9bzuoMuB

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@airgopy @stroughtonsmith Probably a lot of the AIM code as the same. It just doesn’t work as well as iChat did. Th… https://t.co/OThs35E8Ir

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@stroughtonsmith @colincornaby That’s what I’m afraid of. I’m not a fan of UIKit apps. If that’s what the Mac becom… https://t.co/yPHblxP5KQ

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@stroughtonsmith Indeed, it took a long time to get AppKit and some of the apps that came from NeXT up to snuff. An… https://t.co/877mIi4Ftd

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@hhas01 @jamesvdm @stroughtonsmith That’s a nice dream, but in practice when Apple has tried to share code between… https://t.co/1jW3P2ClvF

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@gsapienza @stroughtonsmith Sync with your own devices is easier. Sharing photos with other family members is much… https://t.co/Iy8tzOnBoB

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@bxlewi1 @stroughtonsmith Sure, but there’s no obvious reason that fixing performance had to mess up the other stuff.

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@gsapienza @stroughtonsmith I’m not sure that Photos is actually better for the casual audience, either. In any cas… https://t.co/KKt8J3imFO

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@ianbetteridge @stroughtonsmith Agreed, but I think most of the features that are in both apps were presented better in iPhoto.

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@jamesvdm @stroughtonsmith Drag and drop, events, workflow for sequences of edits, certain types of edits, stars, s… https://t.co/MvkSl6AH63

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@stroughtonsmith Photos feels like it was designed for a scrolling demo, not for an actual photo workflow.

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@stroughtonsmith At least iPhoto never lost my photos or edits or failed when ordering print products.

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@stroughtonsmith Um, Photos is pretty much the *best* case example of a Mac app they’ve heavily revised/rewritten l… https://t.co/ZsEMmXMyRL

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@TylerLoch @stroughtonsmith The drag and drop problems occur even for photos that do exist locally.

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@stroughtonsmith Aside from performance and syncing, iPhoto was more functional than Photos in just about every way.

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@stroughtonsmith To me, Messages is an OK Mac app. Slow, not very powerful, feels like an iOS app brought back to the Mac.

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Energy Efficiency: A New Concern for Application Software Developers: https://t.co/TgQjhrk0gH #mjtsaiblog

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Apple Narrows Ban on Templated Apps: https://t.co/fKkjsxuDeQ #mjtsaiblog

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Apple Confirms That It Throttles iPhones With Degraded Batteries: https://t.co/vKEPPTuknP #mjtsaiblog

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@colincornaby I’m pretty sure Mail’s smart mailbox editor never migrated to NSPredicateEditor. Appearance and behavior are different.

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@bob_burrough I seem to recall an external PowerBook battery that was Zinc-air.

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@jgordonshare Likewise for my MBA. T2 is much more reliable.

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@DominiqueRoller How did you determine it was a problem with the monitor rather than the computer? In my case, it s… https://t.co/r1plMbOMfb

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@mikeash Congrats! And great news about Friday Q&A.

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@tweet2oi I’ve been using powered USB hubs (including the best-reviewed ones that are not supposed to have this pro… https://t.co/RbLTszLGXo

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@jgordonshare I never had spontaneous drive unmounts in the entire time I used SCSI. But they’ve happened with ever… https://t.co/xGV6ha85MH

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@EggFreckles Yeah, the thing about SCSI was that if you followed the rules it worked fine. With USB, I have never f… https://t.co/K9NXr9T4cl

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@handleym99 @bob_burrough Well, people reported dramatic changes right after the updates that we now know added thr… https://t.co/ZGvxpREfIS

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@Gen_Zer0 I don’t know that first-hand, but everyone seems to be saying it’s a choice between Apple’s way and Andro… https://t.co/2veVu5iWKZ

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For those comparing this to Android, which doesn’t throttle: do Android phones unexpectedly shut down during peak CPU use? If not, why not?

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@handleym99 @bob_burrough I don’t understand how the slowdowns could be flash-related when the specific issues peop… https://t.co/STgbwbje3H

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@handleym99 @bob_burrough So, to clarify, you’re saying that the throttling will happen for a battery that’s actual… https://t.co/Oul2B1q0vc

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Another great thing about USB-C: when you try to attach three hard drives at once and the system freaks out, and it… https://t.co/OLtKLaBo36

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@handleym99 @bob_burrough How do we know it’s a minor issue if we don’t know the extent of the throttling and how many devices are affected?

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“it is emphatically not throttling; it’s capping the peak demands and not allowing them to be as high” Isn’t that p… https://t.co/z33BwzbUHR

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@colincornaby Right. I just don’t think it was actually in a session or on a slide. Kind of like how they killed iCloud Core Data.

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@colincornaby As I recall, they didn’t even officially tell people it was cancelled. They just removed it from the… https://t.co/9y5A51Nsnh

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@jonnikuest @frankreiff @cabel On the iMac Pro Web page and in demos at the press event.

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@colincornaby But I thought they *did* port it to 64-bit and then killed it for political reasons later.

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Apple Rumored to Combine iPhone, iPad, and Mac Apps to Create One User Experience: https://t.co/AlQrZz0UIO #mjtsaiblog

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Patterns for Working With Associated Types: https://t.co/USbfHmf1Sp #mjtsaiblog

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Explanation of HomeKit Vulnerability: https://t.co/YHF8j4RiuR #mjtsaiblog

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Apple, CALEA, and Law Enforcement: https://t.co/gtMGcJd25C #mjtsaiblog

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@jgordonshare @bob_burrough That’s my guess. Could be about money or not wanting to overload the stores with people… https://t.co/IEAJ0PLouM

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Apple Watch Series 3 Carrier Fees: https://t.co/Qn8owUjFks #mjtsaiblog

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Transferring SD Card Data to iOS, Fast: https://t.co/DjqwBy9DsZ #mjtsaiblog

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Amazon Changes Its Review Policy: https://t.co/In9a34lScF #mjtsaiblog

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How Extended Validation Certificates Can Be Used to Scam: https://t.co/r9if1ET9ss #mjtsaiblog

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Amazon Will Resume Selling Apple TV and Chromecast: https://t.co/vPPsb8hZFe #mjtsaiblog

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@vslavik @0xced @nicklockwood I certainly agree that Apple’s way is really hard to use, but that part seems fixable.

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@0xced @nicklockwood For example, I don't think Qt supports multiple numbers in the same formatted string.

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@0xced @nicklockwood I seem to recall a WWDC talk where they explained that this method wasn’t general enough.

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Developer Documentation for MailMate Bundles: https://t.co/yP2dWJJuGW #mjtsaiblog

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Use SF Mono Outside of Terminal and Xcode: https://t.co/ShuIdG3VmC #mjtsaiblog

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Firefox Pushes Looking Glass Add-on: https://t.co/E9sdyOtULN #mjtsaiblog

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Ai.Type Keyboard Leaks Data for 31 Million Users: https://t.co/yo2CCsRjK5 #mjtsaiblog

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@jgordonshare I don’t like debits cards either, but this is one case where they make sense. I don't think Apple Pay supports gift cards.

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@jgordonshare You can just use the debit card directly.

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Drive Genius 5.1 Adds High Sierra Compatibility: https://t.co/iRjdgrBEdk #mjtsaiblog

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N.Y. Times Scales Back Free Articles: https://t.co/BvJXgkdUxC #mjtsaiblog

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Apple’s New Utility Swift Library: https://t.co/svJYJS6Iki #mjtsaiblog

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@_jlfischer Yes, exactly, except I never use Reading List so it probably wasn’t from that in my case.

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I have what looks like the alpha channel of the Safari Handoff icon stuck superimposed near the middle of my screen… https://t.co/BpGvNNPhmJ

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@siegel @dnanian I still hope they will change the colors, but perhaps this CSS will help you tone it down:

https://t.co/oxndEu4heS

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@tgaul Maybe at some point they thought they’d implement submenus? That doesn’t seem very useful, though.

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@tgaul Interesting. I was quoting from the header. The docs say it has to be an array of strings. But then in Swift they type it as [Any]?.

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NSTokenField delegate completions method: “Each element in the array should be an NSString or an array of NSStrings… https://t.co/QuiZwN6wxy

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@vslavik @AllAppleLeaks Yeah, that confused me, too. Why is everyone acting as if the current iMac is particularly quiet?

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@AllAppleLeaks I did see that, and it sounds great for people who need lots of simulators, but it doesn't answer th… https://t.co/zzClU5P5fX

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@reneritchie Seems odd that they would then choose a less impressive benchmark to publish.

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@howardnoakley OK, will take a look the next time this happens. Thanks!

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@reneritchie Are you referring to the Build Time benchmark here: https://t.co/IpeLfEXcqc where the 2.4x was for the… https://t.co/KXWiRxG2qe

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@frankreiff @jonnikuest @cabel Yeah, both of those are much worse than what Apple is claiming (and apparently told the press).

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@howardnoakley Hmm, so you think the issue is that it’s Form-D in Git but when I edit the file (without renaming) i… https://t.co/0OedEnyMRe

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@johnvoorhees Yeah, not really clear what he was comparing there. But interesting that he only got 30-60% faster th… https://t.co/0NWt0hJuIB

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Curious that none of these iMac Pro articles touting benefits for developers mention specifics about compilation performance.

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@mdrockwell Don’t worry; they’ll be consistent after the next redesign of the consumer-level iMac.

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Not exactly sure what’s going on, but the combination of non-ASCII filenames, git, and APFS is causing problems. I… https://t.co/ZH7vdbKFht

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@MacLemon Yeah, I was wondering whether /dev/null would work. I thought the GUI tools read multiple times and compare results.

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@MacLemon Looks like it has to copy the disk to check for bad blocks?

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@tgaul Yeah, nice to be able to change your mind. I wonder whether there was a technical reason for the change. (I… https://t.co/s0GqKkJXrx

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Interesting that iMac Pro has an option for a VESA adapter rather than a separate SKU.

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@Deluxive My guess is no because it looks like the app checks which OS version you’re using and bails.

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@officemachelp Interesting. I'm not having any problems with these drives. They work fine. It just doesn't want to convert them to APFS.

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@dianeoforegon No, but the crash is happening when loading the importer, and I don’t think the importer has access to the index, anyway.

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@dianeoforegon I do have that, but I was referring to Word/Excel/PowerPoint.

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@lapcatsoftware I interpreted it as a comment about Scott.

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@dianeoforegon Where? I looked in the .app bundles and didn't see one, and "mdimport -L" doesn't show any registered.

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Looks like macOS 10.13 still includes a 32-bit Spotlight importer for Microsoft Office, and it crashes on use.

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@marcoarment FWIW, iMessages from my phone *stopped* showing up on my iMac when I updated to High Sierra.

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Wonder whether this Swift compiler Xeon issue affects the iMac Pro: https://t.co/jpRJBTEWdA Bug is still shown as open and unassigned.

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@howardnoakley It’s APFS. I took the opportunity to reformat it (and already recopied the files) because the HFS+ got corrupted.

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Anyone know of a utility that can check for bad blocks on macOS 10.13? I’ve been using Drive Genius, but that’s not… https://t.co/MtEwt8xhEk

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@jmfd That actually may be legit, as I think Mail coalesces duplicates.

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@reneritchie Could you follow up about this in light of https://t.co/M88mTmVOSv ?

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@tempelorg I don't know. I've since tried several other disks. They all look the same from "diskutil list". All for… https://t.co/UqgAcLnVrY

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@tempelorg Nothing with "s" shows up in "diskutil list" for this drive. Also tried giving it the "/Volumes/" path.

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@nriley Nope, failed from Recovery, too. :(

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@nriley Oh, I thought you meant it failed from Recovery and worked from Terminal. OK, will try.

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@nickheer Well, they did this time last year…

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@lapcatsoftware Besides not being able to add more late, it's a huge stealth price increase.

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@nickheer The command line is generally more reliable but didn't work in this case. I'm pretty sure Disk Utility is… https://t.co/9u99nRhfPm

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@tempelorg In this case, it doesn't work from the command line, either.

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Actually, the error when it's unmounted first is -69860.

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Disk Utility on macOS 10.13.2: tried to convert 3 different drives to APFS, all failed with error -69888 (even if unmounted first).

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@lapcatsoftware Maybe the actual Mac Pro will start at $8K.

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@jgordonshare Our experience has been that Apple quality is better but more expensive. Shutterfly is much faster at… https://t.co/wxzcO2fTJR

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@lapcatsoftware @AirspeedSwift @jckarter +1 for logging coalescing and possibly making some APIs return non-bridged NSDictionary.

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@AirspeedSwift @jckarter @lapcatsoftware I don’t like crashes, but I thought @jckarter made a good point that silen… https://t.co/ey1qhMLArg

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@warwick Thanks. Not sure I agree entirely—I don’t like the idea of being hidden from search when there could just… https://t.co/Ng9DQBNMg1

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Does iOS Throttle CPUs When Using a Degraded Battery?: https://t.co/V7ppgc5PLf #mjtsaiblog

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Apple Widens Ban on Templated Apps: https://t.co/aqxYahq0nZ #mjtsaiblog

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The Case for Learned Index Structures: https://t.co/TDCcrhE8eb #mjtsaiblog

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@iljawascoding I mean put your test methods in BaseTest. Then create XMLTest and SQLiteTest that inherit from it. N… https://t.co/6P65HT7Kwx

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@jckarter @lapcatsoftware Oh, I see what you mean. That makes sense. But, of course, it’s not good if simply callin… https://t.co/YEdWj9jEEQ

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@iljawascoding I don't think you need that code. I just meant that if you make a subclass for your new format it wi… https://t.co/vyzwRtYrMX

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@jckarter @lapcatsoftware It sounds like you're saying that it’s supposed to crash in that situation, but it’s not clear to me why.

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@iljawascoding Have you tried subclassing the test case?

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@jckarter @lapcatsoftware Have you been able to reproduce the crash when casting back to NSDictionary?

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@dnanian You’re right, of course. It just seems odd. It’s not like I’m browsing in Time Machine at the moment.

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@dnanian Thanks. That makes sense, but any idea why Time Machine is keeping 4/9 (non-consecutive) of my snapshots mounted?

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@dnanian What does it mean if the snapshot in the Copy Now menu is grayed out?

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SuperDuper 3.1 Supports APFS Snapshots for Both Source and Destination: https://t.co/Hm7xC3AWKy #mjtsaiblog

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HomeKit Vulnerability Allowed Remote Access to Smart Accessories Including Locks: https://t.co/n0xTqLBuni #mjtsaiblog

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How Brands Secretly Buy Their Way Into Stories: https://t.co/VGc3SGu4eb #mjtsaiblog

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ProtonMail Introduces IMAP/SMTP Bridge: https://t.co/eRR5mRTid7 #mjtsaiblog

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@ranvel Unfortunately, I no longer have a 10.13.1 test system so it’s hard to investigate further. But the end resu… https://t.co/rYwEklNI4Q

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@mjdrayton @rgriff The little one flexes but doesn't bend so much that it lifts off the feet, right?

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@ranvel About 1% smaller. Not sure yet what’s causing this. Possibly due to more efficient storage of a file with l… https://t.co/7TjBOdV84V

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@iTod Though clicky is, of course, still much better than mushy or sticky.

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@iTod I used to like clicky keyboards—used an Apple Extended II for many years via a dongle—but I’ve come to prefer… https://t.co/S4evWUF1wQ

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I wonder why reported APFS file sizes are slightly different since updating to macOS 10.13.2.

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@iacas I think it’s different Unicode versions of the letters.

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@aaronvegh So you don't have the problem some described where the bending lifts it off the feet and then it slides around?

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