u_106658883 2022-02-27 00:11 开发者_如何学C 镀锌管本身就是一种建材。镀锌管也分为国标的和非国标的。你用镀锌管做一些非标的设备也是可行的。其实你说的这个范围太广了,不够详细
I am new to blackberry development. I want to do data manipulation (CRUD) for a small project. Can you help me understand different options that can be used for blackberry data persistence for O.S 4.5