xcode

问题 I'm getting following error: Extracting arm64 from Alamofire fatal error: lipo: input file (../myApp.app/Frameworks/Alamofire.framework/Alamofire) must be a fat file when the -extract option is specified always when I want to run the app. It doesn't show up when I clean before, but it takes super long time. This => Lipo Error!! can't open input file is not my case and it doesn't work for me. Any ideas, Thank you 回答1: In target -> Build Phases -> Run script I had some incompatible script. I

问题 I'm getting following error: Extracting arm64 from Alamofire fatal error: lipo: input file (../myApp.app/Frameworks/Alamofire.framework/Alamofire) must be a fat file when the -extract option is specified always when I want to run the app. It doesn't show up when I clean before, but it takes super long time. This => Lipo Error!! can't open input file is not my case and it doesn't work for me. Any ideas, Thank you 回答1: In target -> Build Phases -> Run script I had some incompatible script. I

问题 I'm getting following error: Extracting arm64 from Alamofire fatal error: lipo: input file (../myApp.app/Frameworks/Alamofire.framework/Alamofire) must be a fat file when the -extract option is specified always when I want to run the app. It doesn't show up when I clean before, but it takes super long time. This => Lipo Error!! can't open input file is not my case and it doesn't work for me. Any ideas, Thank you 回答1: In target -> Build Phases -> Run script I had some incompatible script. I

问题 I'm getting following error: Extracting arm64 from Alamofire fatal error: lipo: input file (../myApp.app/Frameworks/Alamofire.framework/Alamofire) must be a fat file when the -extract option is specified always when I want to run the app. It doesn't show up when I clean before, but it takes super long time. This => Lipo Error!! can't open input file is not my case and it doesn't work for me. Any ideas, Thank you 回答1: In target -> Build Phases -> Run script I had some incompatible script. I

问题 I'm getting following error: Extracting arm64 from Alamofire fatal error: lipo: input file (../myApp.app/Frameworks/Alamofire.framework/Alamofire) must be a fat file when the -extract option is specified always when I want to run the app. It doesn't show up when I clean before, but it takes super long time. This => Lipo Error!! can't open input file is not my case and it doesn't work for me. Any ideas, Thank you 回答1: In target -> Build Phases -> Run script I had some incompatible script. I

问题 I'm getting following error: Extracting arm64 from Alamofire fatal error: lipo: input file (../myApp.app/Frameworks/Alamofire.framework/Alamofire) must be a fat file when the -extract option is specified always when I want to run the app. It doesn't show up when I clean before, but it takes super long time. This => Lipo Error!! can't open input file is not my case and it doesn't work for me. Any ideas, Thank you 回答1: In target -> Build Phases -> Run script I had some incompatible script. I

问题 Anybody has any idea about what is this and how can I solve this build error ?? ld: library not found for -lc++ clang: error: linker command failed with exit code 1 (use -v to see invocation) thanks in advance. 回答1: Install libc++ You can download from: http://libcxx.llvm.org/ 来源： https://stackoverflow.com/questions/17302349/what-is-lc

问题 I need a "Plus" ⊕ Button in my NavigationView 's List .navigationBarItems (right on the navigation bar), which I'd like to add a row to the list, using a subsequent view in the navigation hierarchy to enter its name etc. But first, I can't even get the button to navigate correctly! When I tap it in the Preview Canvas, the button's operation seems to work. Yet in an actual app, while it does navigate to my destination View, when I tap that View's "< Back" button, the app crashes with:

问题 I need a "Plus" ⊕ Button in my NavigationView 's List .navigationBarItems (right on the navigation bar), which I'd like to add a row to the list, using a subsequent view in the navigation hierarchy to enter its name etc. But first, I can't even get the button to navigate correctly! When I tap it in the Preview Canvas, the button's operation seems to work. Yet in an actual app, while it does navigate to my destination View, when I tap that View's "< Back" button, the app crashes with:

问题 I made a class with private name, units sold, and units remaining. I made two class methods that return, units sold and units remaining as ints. I want to sort the units sold from greatest to least, but I get errors as I explain in the comments. What am I doing wrong, is it something very obvious? #include <iostream> #include <string> #include <fstream> using namespace std; const int MAX_SIZE = 1000; const char FILE_NAME[14] = "inventory.txt"; //make an Item class class Item { private: string