sendoa

sys_rb_usr=/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr
sdk_rb_usr=`xcode-select -p`/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr
sudo cp -r $sdk_rb_usr/include $sys_rb_usr/include

sendoa

#define MSDesignatedInitializer(__SEL__) __attribute__((unavailable("Invoke the designated initializer `" # __SEL__ "` instead.")))

// Sample usage:

- (id)initWithObject:(id)object;
- (id)init MSDesignatedInitializer(initWithObject:); // <- This even gets auto-complete.

// Now calling init on this class would throw a warning.

sendoa

# /bin/bash 

#Usage: $ ./cs_xproj_validate.sh path/to/xcode/project/file/theproject.xcodeproj
#More info: http://stackoverflow.com/q/13962341/89035

PROJECT_FILE="$1/project.pbxproj"

PREVIOUS_LINE=-1

for LINE in `cat "$PROJECT_FILE" | grep -n CODE_SIGN_IDENTITY | grep -o -E '^([0-9]*)'`

sendoa

// http://cocoawithlove.com/2009/10/ugly-side-of-blocks-explicit.html has a nice breakdown of the syntax--it helps to think of the ^ as similar to a pointer dereference symbol *

// block typedef:

    typedef void(^Block)();
    typedef void(^ConditionalBlock)(BOOL);
    typedef NSString*(^BlockThatReturnsString)();
    typedef NSString*(^ConditionalBlockThatReturnsString)(BOOL);

// block property with typedef: