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More than a month ago, my personal website was attacked by DDOS and went offline for more than 50 hours. This article will talk about how to deal with such attacks.B) Design principles. Many people have listed seven principles, such as single duty principle, opening and closing principle, Richter substitution principle, dependence inversion principle, interface isolation principle, composite reuse principle and Dimit principle. LSP, I elevated it to one of the three cornerstones of the object-oriented paradigm; Single responsibility and interface isolation are mainly used as the principle of responsibility division in object-oriented analysis/OOA, which you can not pay much attention to at this time. Relying on the inversion principle, I throw it away as garbage, because the opening and closing principle or directly "relying on abstract type principle" already contains the essence of relying on the inversion principle, while the dross of relying on the inversion principle is inherited by IoC. Of course, the pullback, I emphasize very much. Therefore, you need to master the abstract dependency principle (OCP), one-way dependency principle (including the learning of callbacks) and the minimum dependency principle (composite reuse principle, Dimit rule).　　童氏族人的护族宝物——灵镜，被龙腾将军临终前的鲜血所封，石化失踪，而叛徒尹仲，被灵镜所伤，身上留下了永远无法痊愈的裂伤，时刻忍受折磨！东方卫视大型女性励志真人《妈妈咪呀》第5季正式启动，前几季《妈妈咪呀》，给母亲们提供了一个展现美丽、自信的平台，《妈妈咪呀》作为黄金档大型季播项目在东方卫视播出后，取得了不俗的收视与口碑。今年，《妈妈咪呀》王者归来，张凯丽、黄舒骏、程雷三位观察员强强联手，与观众们分享母 亲们生活的点滴，见证妈妈们的华丽蜕变。，神马新视觉影院|幻想播播影院所提供《妈妈咪呀第六季》仅供cms程序学习建站测试，如果你喜欢《妈妈咪呀第六季》请支持正版！到授权站点观看，感谢您的支持。Leave a message and take up a place ~Four, with good physical and psychological quality, no infectious diseases, no history of mental illness, according to the "application for accreditation of teacher qualification personnel physical examination standards and methods", in the teacher qualification accreditation institutions designated hospitals at or above the county level physical examination qualified.难道我已经死了了？范文轲很是害怕，误以为自己已经来到了另外一个世界。