摘要：
GP is a kind of programming that will generate code for you at compile time. The core is to seperate algorithms from the data structure, and we do som 阅读全文
摘要：
first, install opcv4, the newest one. but brew install opencv will only get a version 3, Another way is to use source code and compile it locally, but 阅读全文
摘要：
only use them with heap memory. never ever apply them to stack try to avoid using "new and delete" if you can use shared or unique ptr delete the a_pt 阅读全文