Short answer: the Intel processor masks the shift count to 5 bits (maximum 31). In other words, the shift actually performed is 32 & 31, which is 0 (no change). The same result appears using gcc on a Linux 32-bit PC. I assembled a shorter version of this program because I was puzzled by why … Read more
If you’re looking for a quick way to query it from the command line, you’ll find the pmset command helpful. To query the battery status, specifically, use: $ pmset -g batt
From python, if you have appscript installed (sudo easy_install appscript), you can simply do from appscript import app, mactypes app(‘Finder’).desktop_picture.set(mactypes.File(‘/your/filename.jpg’)) Otherwise, this applescript will change the desktop background tell application “Finder” set desktop picture to POSIX file “/your/filename.jpg” end tell You can run it from the command line using osascript, or from Python using something … Read more
Have you tried setting JButton.setOpaque(true)? JButton button = new JButton(“test”); button.setBackground(Color.RED); button.setOpaque(true);
It looks like you don’t have the right permissions on the /usr/bin directory. Solution for OS X 10.11 (El Capitan) and later: Install Onyx 3.1.3 app (Free analog of Disk Utility) Choose ‘Maintenance’ -> ‘Permissions’ -> ‘Execute’. Solution for older versions of OS X: Open ‘Disk Utility’ app -> Press ‘Repair Disk Permissions’. It will … Read more
In case anyone else ever has this question, I finally solved it by adding a breakpoint in NSApplicationMain() (for plain C programs, main() would of course work as well). I set the breakpoint action to process handle SIGUSR2 -n true -p true -s false, and enabled the “Automatically continue after evaluating” option. If anyone has … Read more
There is currently no supported way to import your own framework or app code into a playground, short of pasting it into the playground editor. We’re aware that this is very desirable functionality, but as always we encourage people to “vote with bugreporter” at bugreport.apple.com Right now, if you’re just trying to hide code for … Read more
I am running MacOS Big Sur (11.2.3). With python2, I have Tkinter built-in. With python3, it has to be installed manually and it’s very simple, just run: $ brew install python-tk To run python2 in a terminal, execute python file.py. To run python3 in a terminal, execute python3 file.py.
If you are okay with a minimum requirement of OS X 10.6+, and can suffice with “read-only” access to the stream of events, you can install a global event monitor in Cocoa: Cocoa Event-Handling Guide: Monitoring Events. If you need to support OS X 10.5 and earlier, and read-only access is okay, and don’t mind … Read more
After installing any version of Xcode targeting Intel-based Macs, you should be able to write assembly code. Xcode is a suite of tools, only one of which is the IDE, so you don’t have to use it if you don’t want to. (That said, if there are specific things you find clunky, please file a … Read more