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The 23 design modes, in fact, the predecessors have summed up the ways to solve the problem. Their aim is to ensure the low coupling and high cohesion of the system. The principles guiding them are nothing more than the design principles of packaging change, single responsibility, interface-oriented programming, etc. After that, I will continue to share my WCF learning process. Although there are many WCF series in the blog park, I felt that it was not necessary to write them before, and I felt that I could use them. However, I did not write them. I always felt that the knowledge was not my own and I did not feel in-depth. Therefore, I still want to write such a series. I hope all bloggers will support me more.The adjustment of the minimum wage in 2017 began. Shanghai, Shenzhen, Shaanxi, Anhui, Taiyuan, Tianjin and other 22 provinces and cities have made it clear that they will raise the minimum wage. The minimum wage in Shanghai will be adjusted from 2,190 yuan to 2,300 yuan from April 1, increasing 110 yuan. The hourly minimum wage was adjusted from 19 yuan to 20 yuan.She said frankly that the best part of marriage is that when you want someone to accompany you, he is willing to accompany you.故事发生在1939至1942年间的陕北绥德三十里铺。当时日军已侵占山西，保卫黄河之战如火如荼。绥德县属国共两党的共管区，国共两党成员、日军特务、土匪，以及赶牲灵的驼队、骡队和脚户挑夫等经常往来歇息于三十里铺的骡马店。在动荡不安纷繁复杂的环境中，四妹子和三哥哥为了爱情、生存、革命都做出了巨大的努力，留下绝唱《三十里铺》。