惠普推出的基于SPT全维打印引擎的HP Officejet Pro L7380多功能一体机,集打印、传真、扫描、复印功能于一体,快速、高品质打印效果,同时成本却比激光级一体机低10P%-15%。HP Officejet Pro L7380多功能一体机在速度方面突破了传统喷墨的瓶颈。采用了SPT全维打印引擎,能以高达34页/分钟的彩色打印速度以及35页/分钟...【阅读全文】
Improved logging in Objective-CQ: How can I add context information - such as the current method or line number - to my logging statements?A: The C preprocessor provides a number of standard macros that give you information about the current file, line number, or function. Addit...【阅读全文】