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

February 2018

So it looks like Swift KeyPaths can only be created by the compiler. :(

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Algorithmic Arrangements at OkCupid: mjtsai.com/blog/2018/02/2…

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Code Size Optimization Mode in Swift 4.1: mjtsai.com/blog/2018/02/2…

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Algorithmic Arrangements at OkCupid: mjtsai.com/blog/2018/02/2…

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Code Size Optimization Mode in Swift 4.1: mjtsai.com/blog/2018/02/2…

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Designing Windows 95’s User Interface: mjtsai.com/blog/2018/02/2…

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@marcoarment So, in a way, Apple is incentivizing indirect and less privacy friendly methods of app payment such as ads.

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@zcichy No doubt true for many. But Apple also did excellent work in the late 80s and early 90s without Steve, and… twitter.com/i/web/status/9…

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@leebennett Looks like I made that change in July 2014. Glad you like it.

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@leebennett No, haven’t touched it in a long time.

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@OhMDee Yup, that’s exactly what I was thinking of. Thanks for the link.

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The macOS Versions Management System: mjtsai.com/blog/2018/02/2…

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Paradigms of Artificial Intelligence Programming: mjtsai.com/blog/2018/02/2…

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Last few weeks, customers are reporting continued crashes due to PDFKit. Also, new in High Sierra, failure to run a… twitter.com/i/web/status/9…

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@ericyoung_1 @reneritchie @gruber @nickheer That makes sense in the U.S. But what happens when there’s an inevitabl… twitter.com/i/web/status/9…

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@nickheer @reneritchie Even if they were stored in Canada, presumably the U.S. could compel Apple to edit the accou… twitter.com/i/web/status/9…

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@nickheer @reneritchie Separately, the idea of different jurisdictions seems murky because even if there were count… twitter.com/i/web/status/9…

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@nickheer @reneritchie I get that, but Rene seems to be saying that there’s no news here because Apple must obey lo… twitter.com/i/web/status/9…

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@nickheer @reneritchie Having trouble following this line of thought unless you’re saying that you think the U.S. i… twitter.com/i/web/status/9…

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@OhMDee Sorry, saw it but slipped through the cracks. Will add tomorrow.

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BigTechCo Strategy: Paying the Platform Tax: mjtsai.com/blog/2018/02/2…

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iCloud in China and on Google’s Cloud: mjtsai.com/blog/2018/02/2…

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Money Laundering via Author Impersonation on Amazon?: mjtsai.com/blog/2018/02/2…

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@DSHowell Had a lot of reliability problems with ours, and the coverage was never great. Wi-Fi calling works much better.

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@jemostrom Yeah, no shortcuts for Desktop 3 work, even when enabled.

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macOS won’t respond to the keyboard shortcut for “Switch to Desktop 3.” All the other Mission Control shortcuts wor… twitter.com/i/web/status/9…

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@iljawascoding Possibly a candidate to use the new Data.subscript(bounds: Range) that avoids copies?

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Debugging NSNotificationCenter and NSRunLoop: mjtsai.com/blog/2018/02/2…

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Debugging NSNotificationCenter and NSRunLoop: mjtsai.com/blog/2018/02/2…

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StarCraft: Emulating a Buffer Overflow for Fun and Profit: mjtsai.com/blog/2018/02/2…

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When macOS High Sierra’s Content Caching Isn’t Working: mjtsai.com/blog/2018/02/2…

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@bob_burrough @OhMDee Do you mean spinning off the major product lines that already exist or for the creation of new “hobby” products?

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@OhMDee @bob_burrough Also, it’s not just a matter of finding a customer advocate with good taste. Steve had a uniq… twitter.com/i/web/status/9…

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@bob_burrough @lapcatsoftware Do you search the Twitter site or have some sort of local archive?

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@OhMDee @bob_burrough Agreed, but how do they get one? There doesn’t seem to be an obvious internal candidate. Is t… twitter.com/i/web/status/9…

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@lapcatsoftware @bob_burrough I wonder what the Apple University curriculum had to say about the linchpin.

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@bob_burrough What should Apple do to try to fill that gap?

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@MuellerSimhofer @steipete And Messages effects on the Mac are waiting for Marzipan…

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@eli_schiff Makes me think of our local hospital, under fire for getting big and corporate, long waits for appointm… twitter.com/i/web/status/9…

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Avast Anti-Virus False Positives for Apps That Use Swift: mjtsai.com/blog/2018/02/2…

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iDefrag and iPartition Discontinued: mjtsai.com/blog/2018/02/2…

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On Compiling WebKit (Now Twice As Fast!): mjtsai.com/blog/2018/02/2…

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@erikjohansson I don’t know. The warning said something like it was dangerously low. I took that to mean less than… twitter.com/i/web/status/9…

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@LashaKrikheli @steipete Hmm. Always been like this for me with both iMacs and Magic Mouses that I’ve used.

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Notification that Magic Mouse battery is dangerously low. Plug it in on the bottom, so can’t use it for a while. Af… twitter.com/i/web/status/9…

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@NSExceptional Won’t we run out, anyway, since most wouldn’t be reused, anyway?

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Optimizing Global Constant Data Structures Using Relative References: mjtsai.com/blog/2018/02/2…

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How to Use Adaptive Width Strings for Localization: mjtsai.com/blog/2018/02/2…

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When Swift Makes You Use “throws” Instead of “rethrows”: mjtsai.com/blog/2018/02/2…

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GitHub Shouldn’t Allow Username Reuse: mjtsai.com/blog/2018/02/2…

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Security and Privacy Issues of Bitcoin: mjtsai.com/blog/2018/02/2…

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@nickheer Yeah. It’s confusing with several different comparisons at once. And I’m still not 100% clear on the scra… twitter.com/i/web/status/9…

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@nickheer @siracusa In searching about this just now, I also came across claims that the iPhone 6 and 7 *also* used… twitter.com/i/web/status/9…

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@nickheer @siracusa I thought his point was that Apple hasn’t talked about iPhone X being more scratchable, but the… twitter.com/i/web/status/9…

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@nickheer @siracusa Thanks for finding the timestamp. Sounds to me like @siracusa was not confused and was referrin… twitter.com/i/web/status/9…

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@zcichy @nicklockwood @jeffinitelyjeff Well, certainly the problems with services predate the privacy talking point… twitter.com/i/web/status/9…

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@tedtodorov @marcoarment Personally, I don’t even mind the dongle. It’s actually an improvement because I only have… twitter.com/i/web/status/9…

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@jcscaliger I have AirPods. But directly plugging into my car’s line-in is much better than dealing with a Bluetooth adapter for it.

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@adriel @marcoarment Yeah, even assuming a good dongle exists, which I don’t think is true in all of the categories… twitter.com/i/web/status/9…

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How iFixit Became the World’s Best iPhone Teardown Team: mjtsai.com/blog/2018/02/1…

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Smart Speakers, Speech Recognition, and Accessibility: mjtsai.com/blog/2018/02/1…

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@olebegemann @zkrige @brentdax At the time I wrote this, it had to be escaping, but looks like that’s fixed now in… twitter.com/i/web/status/9…

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@zkrige @olebegemann func sync<T>(_ block: @escaping (MJTManagedObjectContext) throws -> T) throws -> T {
var r… twitter.com/i/web/status/9…

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@olebegemann I don’t know. I wrapped it to handle return values and errors.

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Except that I have one on the bottom for sharing by e-mail. And I have ones for creating PDFs in each row. And book… twitter.com/i/web/status/9…

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@jjlin So is the lesson here that App Review is inconsistent (again)? Or that if you’re Omni you can get pre-approved?

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@invalidname Except that they do comment in cases where there’s damaging misinformation.

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@invalidname I would like the believe that, but then where did the rumor come from, and why didn’t Apple squash it?

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Twitter Abolishes Native Mac Client: mjtsai.com/blog/2018/02/1…

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Color Picker Now Rearranges Custom Swatches: mjtsai.com/blog/2018/02/1…

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@andymallins @mdrockwell More complicated than that because The Wirecutter reported that, on the same surfaces, Hom… twitter.com/i/web/status/9…

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Google Removes “View Image” Button From Search Results: mjtsai.com/blog/2018/02/1…

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Bringing the Power of AMP to Gmail: mjtsai.com/blog/2018/02/1…

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@handcoding Yeah, this does seem like a bug that could have been caught through black box testing. And I guess this… twitter.com/i/web/status/9…

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Can macOS Tell How Large a File Really Is?: mjtsai.com/blog/2018/02/1…

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Another iOS Crash Caused By Sending Unicode Character: mjtsai.com/blog/2018/02/1…

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Data Loss on APFS Sparse Disk Images: mjtsai.com/blog/2018/02/1…

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Facebook’s “Protect” Feature: mjtsai.com/blog/2018/02/1…

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@jgordonshare Of course I had to initiate the APFS conversion from diskutil in Terminal because Disk Utility kept erroring out.

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@EggFreckles Reminds me of this guy who took notes in 10-250 with a Palm Pilot in a dock attached to a Newton keyboard.

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@EggFreckles Yeah, I guess it knows the blocks aren’t in use yet, and they’re also available for the other volume i… twitter.com/i/web/status/9…

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OTOH, Finder doesn’t provide an option to encrypt the second APFS volume like it does for the second HFS+ partition. :(

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@ClarkGoble I don’t know. The speed hit doesn’t seem to be bad enough that I notice it for backups.

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Seems like turning on encryption for an APFS volume with lots of unused space does not have to read/write the entir… twitter.com/i/web/status/9…

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HomePod Can Leave White Rings on Wood Surfaces: mjtsai.com/blog/2018/02/1…

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@OluseyiSonaiya @jgordonshare @ClarkGoble Perhaps it’s more like medicine where there’s a range of reactions to a n… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble Yes, tricky. So best not to make blanket claims. But I do think there is… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble Agreed, people shouldn’t assume they are representative. But logically, I… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble I’ll agree with “can be argued to support.” But we all know there are man… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble The denominator is only relevant if you are looking on the Internet at li… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble It’s not even a falsifiable claim because he doesn’t accept user experien… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble I acknowledge that more users means more bugs revealed. But just knowing… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble At points he seems to be talking about big bugs like crashes and data los… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble In fact, he almost seems to be implying that his products, which people t… twitter.com/i/web/status/9…

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@OluseyiSonaiya @jgordonshare @ClarkGoble The only reason what he said is interesting is because of his former job.… twitter.com/i/web/status/9…

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@NSExceptional Yeah, unless I say otherwise I’m implicitly thinking/talking about the Mac side. I’m not as familiar… twitter.com/i/web/status/9…

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@NSExceptional Of course, this was also around the time when Steve died and Bertrand left, so there were lots of other changes, too.

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@NSExceptional In my view, the decline started pretty much with the switch to the annual cycle, but it took a while… twitter.com/i/web/status/9…

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@chrisltd @zcichy I don’t see that as what he was arguing. He actually said that quality is better now than it’s ever been.

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@NSExceptional In another tweet, which I didn't quote, he called for Craig to be fired: twitter.com/lapcatsoftware…

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@NSExceptional I see that tweet as taking for granted that things are bad now and arguing that the proposed fix is… twitter.com/i/web/status/9…

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@NSExceptional Interesting that we have such different perceptions. It never would have occurred to me to label him… twitter.com/i/web/status/9…

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@NSExceptional I don’t recall him making any excuses for Rogue Amoeba, nor am I aware of anything at that company that’s getting worse.

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@NSExceptional Thanks. (But surely you don’t mean Jeff, who’s an indie looking for a job.)

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Some sort of OS bug overwrote my OmniOutliner attachments with unprintable characters again. Went to restore them u… twitter.com/i/web/status/9…

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@brentsimmons Anyway, the point I was trying to make is that I don’t think it’s that they hate sets, but that this… twitter.com/i/web/status/9…

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@brentsimmons Sorry, you’re right. To use the protocol in a set it has to be Hashable, and that adds a Self requirement.

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@brentsimmons My understanding is that plain protocols work in all of these places (arrays, sets, dictionary keys/v… twitter.com/i/web/status/9…

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@brentsimmons Sets are great. I think protocol limitation you’re referring to also applies to arrays and dictionaries.

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@OhMDee @agilethumbs @apple_observer I wonder if that’s just iOS 11. I get app freezes all the time on me SE now.

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What I Learned from Watching My iPad’s Slow Death: mjtsai.com/blog/2018/02/0…

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iOS Auto-Correction From Contacts: mjtsai.com/blog/2018/02/0…

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@cocoadog Yeah, I’ve long wondered why tweets don’t have next/previous links or something…

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@nubero It’s not slow for me to launch. You should probably contact their support.

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@nubero If it was the only 32-bit app you had, the system would have to load all the 32-bit versions of the frameworks.

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@Jonnebob @chartier @mdrockwell That would be great if it works (and when it gets out of beta).

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Battery Health and Peak Performance Capacity: mjtsai.com/blog/2018/02/0…

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Serialization on macOS and iOS: Speed and Size: mjtsai.com/blog/2018/02/0…

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Apple E-mails Developers Other People’s Search Ad Results: mjtsai.com/blog/2018/02/0…

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@steipete How do you manage to get credits? They used to credit me when they couldn’t help, but not recently.

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Sandbox Limitation on Number of Files That Can Be Opened: mjtsai.com/blog/2018/02/0…

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The Apple Music and HomePod Strategy: mjtsai.com/blog/2018/02/0…

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How Hotmail Changed Microsoft and E-mail: mjtsai.com/blog/2018/02/0…

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Base64 Encoding and Decoding With SIMD Instructions: mjtsai.com/blog/2018/02/0…

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Good Ideas, Through the Looking Glass: mjtsai.com/blog/2018/02/0…

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@McCloudStrife :( Not my area. I assumed it was accurate since Gus recommended.

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Podcast Listeners Really Are the Holy Grail Advertisers Hoped They’d Be: mjtsai.com/blog/2018/02/0…

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Things I Wish I’d Known About Bash: mjtsai.com/blog/2018/02/0…

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