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Application scenario: Mediator mode is generally applied to situations where a group of objects communicate in a well-defined but complex way, and situations where you want to customize a behavior distributed in multiple classes but do not want to generate too many subclasses.As far as a class is concerned, there should be only one reason for it to change. If a class assumes too many responsibilities, it is tantamount to coupling these responsibilities together. Changes in one responsibility may affect other responsibilities. In addition, coupling multiple responsibilities together will also affect reusability.Shenzhen will raise the minimum wage for full-time workers from June 1 to 2130 yuan/month. The minimum hourly wage for part-time workers is 19.5 yuan/hour.Deep Learning: There is a translated version in Chinese, but I don't really want to put it here, because this book is actually very theoretical. Some chapters are really good, and some places you will think, what is this? What's the use of this thing? Will turn the novice around. Everyone will buy a town venue first, look through what they don't understand, Google what they don't understand, read papers directly, read good blogs summarized by others, and so on. In short, as long as you can understand what you don't understand.人们想到吴晗,便会想到文化大革命。因为文革的序幕是从批判吴晗的《海瑞罢官》和有吴晗在内的三家村拉开的。这位在民主革命中和李公朴、闻一多并肩战斗的历史学家,为北京人民造福、为社会主义革命和建设作出贡献。Foreign students generally cannot take the college entrance examination in Tianjin. First of all, you must have a Tianjin registered permanent residence, and you must handle it well in advance. Children cannot transfer to another school until they go to high school or Grade 3. If you don't have a Tianjin hukou, either it is the kind of social students who have a very narrow choice of major in the college entrance examination, or you will be sent back to your place of origin for the examination. Please consult me for details.两个世界的人，可以是朋友、可以是仇人、可以错身而过，但是如果他们相爱了，结局只有走上灭绝的命运。就像飞鸟恋上鱼，拼了命想厮守一起，但却是害了对方，毁了自己。然而越是天差地别的两人越能互相吸引，越是困难阻碍的环境越是奋不顾身。义无反顾的爱情除了教人心动，也让人心碎，只是这一切总要在生命的青春燃烧殆尽之后，才能明白……这是一个亲情VS爱情友情VS爱情黑社会VS道德的故事……