与此同时,素来与Joanna不和的妹妹Wendy(生活在小城市的一对年轻夫妻杨华和苗唯最近过得不顺心,两人本是相爱却因矛盾不断升级而怨恨纠缠。海市蜃楼般的奇异幻象照进现实,一场风暴袭来,麻木中的万事万物迎来再一次的觉醒。//Triggers a delegate via its static method, InvokeWhen the defense device receives a SYN message with an IP address:看着秦楚两军之战,战况太过惨烈,当时都畏惧不敢出战,作壁上观。 ? Singleton pattern is the most common and simplest design pattern in design pattern, which ensures that only one instance exists in the program and can be accessed globally. For example, account information object management used in actual APP development? Objects (SQLiteOpenHelper) and so on all use singleton mode. This model has several advantages: