Yu Xin

Results 2 issues of Yu Xin

I have a problem whit 'AttributeError: module 'taichi' has no attribute 'TaichiOperations'' error when I used taichi-tina in ver 0.1.1 and taichi in ver 0.7.16. I searched this from [here](https://github.com/taichi-dev/taichi/blob/master/python/taichi/lang/matrix.py),...

Fixed compatibility issues under Xcode 15.0 which seems caused by C++17 standard.