Question or issue on macOS: I’m writing an application in C for the Mac (Leopard) that needs to do some work on receipt of power notifications, e.g. sleep, wake-up, shutdown, restart. It runs via launchd as a launchagent on login then begins monitoring for notifications. The code I’m using to do this is as follows:
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Question or issue on macOS: I am developing an R package on Mac OSX with some low level C/C++ code and openMP support. The C++ code is written using Rcpp package. My global ”Makevars” file is placed under ~/.R/ folder. The file looks like following.
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Question or issue on macOS: I have a general question about how the terminal and processes work.
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Question or problem in the Swift programming language: By watching the video tutorial provided by Apple, it seems that swift is protocol-oriented programming langue and apple encourage programmers to use protocol than class. But from my personal view, I see no apparent advantages for protocol. class can conform to protocol, but they can also inherit […]
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Question or issue on macOS: I’m trying to compile my code on OSX El Capitan. This is my Makefile
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Question or issue on macOS: I am trying to generate keyboard keydown and keyup events programmatically. I am currently using CGPostKeyboardEvent to do this, but I am searching for a way to do this at a lower level. I have looked at DDHidLib but could not figure out a way to create a fake event. […]
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Question or problem in the Swift programming language: I’m trying to use a C library in Swift, and I’m having trouble calling any function that takes a function pointer as one of it’s arguments. For example, part of the lua.h file that I’m trying to use in Swift looks like this:
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Question or issue on macOS: I have a project containing a mixture of C and C++ source. It currently builds with GCC on OS X. The project has bespoke build scripts which invoke the gcc command to compile both the C and C++ source, and separately invoke the linker.
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Question or issue on macOS: I need to get total CPU Idle Time in Objective C/C on OS X?
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Question or issue on macOS: int main(int argc, char *argv[]) { char *ret = setlocale(LC_ALL, NULL); // should I free ‘ret’ ??? // free(ret); return 0; } I’ve tried both on Linux and OS X 10.10, on Linux, I must not call ‘free’, but on OS X, if I do not call ‘free’, valgrind complains […]
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