I have always liked my play/pause button to always affect my iTunes music and never any other application.  Since before macOS High Sierra, the media keys on the function bar always used to control iTunes. This was great as it allowed me to have full control over my music. that is, play music; find a YouTube video, pause music, start YouTube video. That YouTube video would then end then I would be able to play my music again.  Now since High Sierra, that doesn't happen. If I have a YouTube video up, it controls that instead of my music. This means that I have to open up iTunes, then click the play button and go back to Safari. I fixed this by using BetterTouchTool to reprogram the function buttons to bring back the pre High Sierra functionality.  Today, with the TouchBar, I am back with the same issue. Yes, I can use BetterTouchTool but now that requires two clicks. One to activate the BTT controller strips and another to press the play/pause button.  Is it posible to have a global button in the TouchBar controls strip that controls iTunes only?
While browsing on Safari and listening to iTunes I come across a video and then press the "play" button on the keyboard (to stop the music while I watch the video) it starts/stops the video instead of the music (I have no control over the music).  How can I quickly play/pause my music without affecting the video?
Show that $\langle 2,x \rangle$ is not a principal ideal in $\mathbb Z [x]$ Is it possible record videos of my screen? Suppose that I would like to record some video sessions of Angry Birds on my phone.   Are there any apps that I can use? I have root permissions. Problem putting matrix operations in an equation Possible Duplicate:          I'm trying to use official equation container for the first time, and it's giving me some trouble.  I have this equation of a simple matrix operation, and LaTeX isn't liking it.  What's wrong with this statement?  \begin{equation}      y = \begin{bmatrix}         T &amp; I      \end{bmatrix}     \begin{bmatrix}         a \\         e     \end{bmatrix}  \end{equation} What's the meaning of the term "gib"? Especially while talking about FPS, the term "gib" is quite common. While I get it's related to a sudden and gruesome death, I'd like to know its actual meaning and where it comes from. How precise is the frequency of the AC electricity network? If I make a digital clock which first detects the AC frequency roughly (whether it is 50, 60, 100Hz, etc), then uses it as its clock pulse source, how precise would it be? Would it work world wide precisely?  For instance, in USA, what is the mean and standard deviation of the 60Hz AC frequency? Securely erase hard drive using the Disk Utility I am planning on selling my laptop. So I formatted my disk using the Disk Utility and chose to overwrite the disk with zeroes.  Two questions:  Is this the same as overwriting the disk using dd?  sudo dd if=/dev/zero of=/dev/sda   And is this method secure enough so that buyers can't easily recover the previous data? Or should I take additional measures (like encrypting the disk, destroying the headers, etc.)? Running junit tests in parallel in a Maven build? I'm using JUnit 4.4 and Maven and I have a large number of long-running integration tests.  When it comes to parallelizing test suites there are a few solutions that allow me to run each test method in a single test-class in parallel. But all of these require that I change the tests in one way or another.  I really think it would be a much cleaner solution to run X different test classes in X threads in parallel. I have hundreds of tests so I don't really care about threading individual test-classes.  Is there any way to do this? How to backup an Android device? Is there any way to deserialize JSON into an object using JSON.deserialize if some of the property names in the JSON are reserved words in apex? I want to do something like this:  string jsonString = '{"currency" : "ABC"}'; public class JSONResult {     public string currency; } JSONResult res = (JSONResult) JSON.deserialize(jsonString, JSONResult.class); system.debug(res);   but of course I get an error that the identifier name is reserved. Is the EmDrive, or "Relativity Drive" possible? Proof of matrix norm property: submultiplicativity I've been searching for the definition of the submultiplicative (I think it has multiple names from what I've seen) property in proof form. Some books define it as part of the properties that define matrix norms, and some include it as an additional property. I still haven't been able to work it out for myself or find it anywhere.  Let $A$ and $B$ be $n\times m$ and $m\times l$ matrices respectively, prove that:  $$\begin{align} \|AB\| \le \|A\|\|B\|  \end{align}$$ How can I disable the volume warning if you raise the volume too much? accessing loop variable within a loop Possible Duplicate:          I am trying to troubleshoot my webcam and make it work with skype.  One workaround that is often suggested is to LD_PRELOAD the v4l1compat.so file. But when trying that, I get an error message:  fdr@maggie:~$ LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so skype ERROR: ld.so: object '/usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so' from LD_PRELOAD cannot be preloaded: ignored.   and I am rather sure the path is correct:  fdr@maggie:~$ ls /usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so  /usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so   and the kernel and skype have matching architecture:  fdr@maggie:~$ uname -a Linux maggie 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux fdr@maggie:~$ dpkg -s skype | grep Architecture Architecture: amd64   So my question is:  What is causing the "... from LD_PRELOAD cannot be preloaded: ignored" error message? Google Chrome: Have different settings on different computers? I believe it is what the Germans call "". English itself has no such equivalent word. (Although it has been adopted as a .)  Does an idiom exist that describes it? Why or how did Agen Kolar and Saesee Tiin seem to die so easily without any resistance? I am struggling to convert .dwg to .shp, ideas? Any ideas as to how can I convert dwg to shp?  I tried Kosmo and gvSIG. gvSIG kind of worked but it seems like I lost information.. in addition everything was converted into lines, no polygons. I can manually recreate the polygons, but there must be a better program to do this conversion.  Ideas? iPhone 6s with iOS 12.4 not connecting to MacBook Pro mid2015 with macOS 10.14.6 If $0 &lt; \alpha &lt; 1$, then       $$ (x + y)^{\alpha} &lt; x^{\alpha} + y^{\alpha} $$      for $x$, $y$ positive.   Is this inequality true in general?  I tried using Young's Inequality: For $z,t &gt; 0$, and for $n$, $m$ such that $n+m=1$, then   $$ z^n + t^m \leq nz + mt $$  So, using this we have   $$ (x+y)^{\alpha} \cdot 1^{1 - \alpha} \leq \alpha(x+y) + (1-\alpha) = \alpha x + \alpha y + (1-\alpha)$$  which is not as tight as I want.