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145 votes
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Invisible region on screen is blocking mouse cursor

I had this same problem and it has been driving me crazy. While I still don’t fully understand the cause of the bug I finally found a way to fix it. First a note, I think this problem only happens ...
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  • 1,566
138 votes
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Clicking on external links opens Chrome but not the link

I had this happening all afternoon. Then I checked Chrome | About Chrome and it was waiting for me to relaunch to update. That fixed it.
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43 votes

Suddenly the "diagnosticd" daemon rise up to over 200% CPU usage

As a software developer: Quitting the iOS Simulator resolved the issue.
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40 votes
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How do I disable or remove the root account created as a side effect from this High Sierra security bug?

Patch available, click here, or just update on the machine Interestingly enough there is no patch for the beta and developer versions of OSX yet as far as I know. I'll update this answer as soon as I ...
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34 votes

OS X 10.9.3 has two visible cursors

It just happened to me on 10.9.5 for the first time; don't know what caused it but unplugging the external monitor and then plugging it back again helped.
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34 votes
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Suddenly the "diagnosticd" daemon rise up to over 200% CPU usage

I had the same issue and realized that some process (in my case osascript) was flooding the system log with error messages (AEGetDescData of non-desc type 'reco' not a good idea). This apparently led ...
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  • 643
25 votes

Messages brings macOS to its knees with soagent and callservicesd

As the issue is related to the spell checking feature I would suggest you to reset text replacement. You can erase (or save, if learnt spelling matters for you) all files in: ~/Library/Spelling Do ...
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  • 865
24 votes
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git is broken: "Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via sudo"

OK, I found the problem: the message was coming from the remote git server, not the client side. I ran sudo xcodebuild -license on the server side (where the repo is located and the git server is ...
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  • 1,039
20 votes

Why does 0^0 in the macOS and iOS calculator give different results on different versions?

While 0⁰ is generally undefined, some branches of mathematics do explicitly define it as 1 because, as you can see, this is the value to which the function y(x) = xˣ converges at n=0. Less formally, ...
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  • 300
19 votes
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Keychain won't let copy passwords after 10.11.1 update

Third-party utilities such as Alfred, TextExpander, or MagicPrefs might appear to take "control" of the window as far as the OS is concerned. You can find the culprit by disabling them all, and ...
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  • 6,002
18 votes

Yellow tooltip stuck on screen

The simplest way to get rid of this, at least when it happens for me, is to hover over anything with a tooltip to get a new tooltip. Happens to me quite often with Safari these days, very annoying.
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  • 340
16 votes

Keyboard shortcut for service only works after I manually run the service

Found the answer in this Apple Support Community thread: Bug: Keyboard shortcut keys do not always activate a service (a workflow) Keyboard shortcuts for services will only work properly if they ...
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16 votes

Clicking on external links opens Chrome but not the link

Try entering chrome://restart in url line and hit enter. This will fully restart Chrome and all of it's children processes including Chrome-based apps. I assume it's not the Update which helped others ...
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15 votes

I can’t type the number twenty on iOS

If you type out 20 20 20 20 20 and cancel the suggestion carefully each time, that might reset the learned database on the device that thinks it’s being helpful. Also, I learned after posting this all ...
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  • 217k
13 votes

Why does Spotlight give a wrong value for `cos(pi/2)`?

It's due to the lack of precision of pi and due to the overall all lack of precision in the built-in system. pi = 3.1415926536 pi/2 = 1.5707963268 cos(1.5707963268) = -5.103412e-12 FYI = 5....
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13 votes
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How do I find a specific bug on Apple's Bug Reporter?

Apple's bug database is private, and as you see, you are only able to review the bugs that you submit. This has been the subject of much debate in the Apple developer community. Open Radar is an ...
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13 votes

Why does 0^0 in the macOS and iOS calculator give different results on different versions?

Most implementations of floating point arithmetic follow the IEEE 754-2008 standard, which specifies that pow(0,0) returns 1 (see §9.2.1). But it also defines two other functions: pown(0,0) = 1 and ...
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12 votes
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I do not understand why `touch -h` is not working as documented in the man page on macOS Big Sur

It seems you have found a bug in macOS. The next-to-last major version of the operating system works according to the manual paage, but the latest version does not. Either the manual page is outdated, ...
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10 votes

How do I disable or remove the root account created as a side effect from this High Sierra security bug?

If you can’t install the official patch or don't want to trust that it worked, then You don't want to disable root user on High Sierra only. To secure your Mac, enable root with a long secure ...
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  • 217k
9 votes

MacBook not asking for password after sleep

Not sure if you set it in the correct place, but the setting should be at: Choose Apple menu > System Preferences, click Security & Privacy, then click General. Select “Require password… ...
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  • 1,302
9 votes
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Chrome doesn’t start on Mac OS

After a lot of investigation, I've finally found the solution (so I decided to put it as an answer here). You need to open Terminal (Spotlight search - type "terminal") and run the following ...
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9 votes

Clicking on external links opens Chrome but not the link

Updating Chrome solved the issue for me. NOTE: The problem can reproduce each time a new version of Chrome is available...
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9 votes

Messages brings macOS to its knees with soagent and callservicesd

This has been happening periodically since Mac OS X Yosemite & Handoff / Continuity was implemented... and I now I treat everything that comes through Messages as expendable (copy it off ...
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8 votes
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Keyboard shortcuts not working in Safari and Firefox after update to Yosemite

I have had this exact problem for weeks, and it's been driving me crazy, but I've finally found a solution. I found this thread on the Apple Support Communities, where “stevendeluxe” says the ...
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  • 270
8 votes
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How to prevent Terminal window from changing its size after opening and closing tab

The solution is to turn on setting to always show tab bar, even if only one tab is open in window: in top bar, go to View → Show Tab Bar, or use keyboard shortcut ⇧+⌘+T. This is just a workaround I ...
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  • 381
8 votes

Messages brings macOS to its knees with soagent and callservicesd

Tentative diagnosis: There is a corrupt record (or structure) in the Contacts database. Downloading the database completely from the iCloud version ensures that the local version is clean. Solution: ...
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7 votes
Accepted

Unable to install app from web on iOS 8

This appears to be a bug with enterprise distribution in iOS 8. If you updated to iOS 8 and had an app with the same bundle identifier installed (i.e. the same app) then you'll be unable to install ...
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  • 184k
7 votes
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Apple Bug Report (Apple's Response Time?)

There is no easy way to tell how/when/if Apple acts on your bug report. I have filed quite a few bug reports during the last years. Some still seem to be unchanged since I created them, some got ...
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  • 84.5k
7 votes
Accepted

Can I disable wifi automatically if there is an ethernet connection?

You have several solutions: https://gist.github.com/albertbori/1798d88a93175b9da00b This is a bash script that will automatically turn your wifi off if you connect your computer to an ethernet ...
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  • 4,325
7 votes

Suddenly the "diagnosticd" daemon rise up to over 200% CPU usage

I noticed this whilst testing an Apple Sign In workflow on an iOS Simulator, initially when clicking on the Apple Sign In button in the simulator an Alert is shown asking you sign in with your Apple ...
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