macos

问题 I'm setting up a Ruby on Rails web development environment on a new machine (macOS Sierra v. 10.12.1). I'm following the setup instructions here: Setup Ruby On Rails on macOS 10.12 Sierra. When I check the newly installed rails version, I get the following: $ rails --version Expected string default value for '--rc'; got false (boolean) Rails 4.2.6 I haven't seen that second line before, and googling hasn't yielded any helpful results. Background information: clean install of macOS 10.12.1;

问题 Is there an equivalent to Linux DBus on OSX? I mean, is there a "message bus" available by default on OSX? Disclaimer: OSX newbie here. 回答1: Probably the closest analog would be distributed notifications (or notifications for same-process communication). It's not a perfect analog, but it fits into roughly the same niche. You can read more about it in Apple's Notification Programming Topics, particularly the part about the distributed notification center. 回答2: If you need to use DBus you can

问题 Today I first encountered the fishhook library https://github.com/facebook/fishhook which can be used to dynamically rebind symbols in Mach-O binaries (they say for iOS, but I guess the code will also work on OS X). So far I only knew and used mach_override https://github.com/rentzsch/mach_override which aims at a similar goal (i.e. replacing one implementation of a function with another one), but rewrites the assembler statements of the beginning of the function to jump to a different

问题 Today I first encountered the fishhook library https://github.com/facebook/fishhook which can be used to dynamically rebind symbols in Mach-O binaries (they say for iOS, but I guess the code will also work on OS X). So far I only knew and used mach_override https://github.com/rentzsch/mach_override which aims at a similar goal (i.e. replacing one implementation of a function with another one), but rewrites the assembler statements of the beginning of the function to jump to a different

问题 I'm trying to make a mac app where the user can type in commands just like they would in the mac terminal, I got most of it working however I found out that the $PATH variable of apps run from the finder or xcode is different than the $PATH variable the Terminal uses. I can run commands and also found a way to add a predefined path to the application's $PATH variable but I need a way to automatically read the Terminal's $PATH variable and copy it to the Application's $PATH variable. This

问题 In my application, i will get RGB Values as a unsigned character so it will not be more then 255, I am using NSColor API to create the color and will make use of it to draw the font and background color, this is the function that i have written +(NSColor *)getColorFromRGB:(unsigned char)r blue:(unsigned char)b green:(unsigned char)g { CGFloat rFloat = r/255.0; CGFloat gFloat = g/255.0; CGFloat bFloat = b/255.0; // return [NSColor colorWithCalibratedRed:((float)r/255.0) green:((float)g/255.0)

问题 Some sites show gibberish characters instead of the correct text. It only happens on Macs. For example with GMapsFX: Online site: Might be related to OS X 10.11 or 10.12. I tested it with Java 1.8.0_121. Is there any fix or workaround for this issue? 回答1: The error, in my case, was not related to system font. I solved the problem by setting the user agent for the web engine. Here is the string I used (Firefox on Windows x64): Mozilla/5.0 (Windows NT x.y; Win64; x64; rv:10.0) Gecko/20100101

问题 Some sites show gibberish characters instead of the correct text. It only happens on Macs. For example with GMapsFX: Online site: Might be related to OS X 10.11 or 10.12. I tested it with Java 1.8.0_121. Is there any fix or workaround for this issue? 回答1: The error, in my case, was not related to system font. I solved the problem by setting the user agent for the web engine. Here is the string I used (Firefox on Windows x64): Mozilla/5.0 (Windows NT x.y; Win64; x64; rv:10.0) Gecko/20100101

问题 In my application, i will get RGB Values as a unsigned character so it will not be more then 255, I am using NSColor API to create the color and will make use of it to draw the font and background color, this is the function that i have written +(NSColor *)getColorFromRGB:(unsigned char)r blue:(unsigned char)b green:(unsigned char)g { CGFloat rFloat = r/255.0; CGFloat gFloat = g/255.0; CGFloat bFloat = b/255.0; // return [NSColor colorWithCalibratedRed:((float)r/255.0) green:((float)g/255.0)

问题 Some sites show gibberish characters instead of the correct text. It only happens on Macs. For example with GMapsFX: Online site: Might be related to OS X 10.11 or 10.12. I tested it with Java 1.8.0_121. Is there any fix or workaround for this issue? 回答1: The error, in my case, was not related to system font. I solved the problem by setting the user agent for the web engine. Here is the string I used (Firefox on Windows x64): Mozilla/5.0 (Windows NT x.y; Win64; x64; rv:10.0) Gecko/20100101