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At present, there are three main strategies to defend against CSRF attacks: validating the HTTP Referer field; Add token to the request address and verify it; Customize and validate properties in HTTP headers.杨长帆终于放心几分。Principle: Traditional tobacco is smoked by ignition. The temperature of tobacco when burning reaches 800 degrees. Nicotine, carbon monoxide, tar, etc. will be produced in the process of tobacco burning. At the same time, tobacco itself also has fragrance released. Smokers are mainly satisfied by smoking nicotine and tobacco fragrance. There are more than 2,000 kinds of harmful ingredients produced by smoking, The main components that cause harm to human health come from tar produced in the combustion process, However, the working temperature of the heating non-burning electronic cigarette is about 300. Not more than 300 degrees, Tar is mainly produced at over 400 degrees, In other words, Heating does not burn electronic cigarettes. Due to the relationship between temperature, A small amount of tar is produced, which can be ignored. Moreover, the temperature at which heating does not burn is only about 300 degrees, so there is no combustion, no open flame and no soot. However, the aroma and smell of tobacco are still released, and smokers can also obtain nicotine, so that smokers can also obtain the feeling of smoking real cigarettes.医学毕业生露薇被分配到协禾医院做护士。就在她上班报到的前夜，遇到一场车祸；雨夜，一辆黑色轿车擦倒一名年轻女子肇事逃走……露薇发现该女子因突受惊吓，引发心肌梗塞。该女子被送往医院，由于抢救不及时，造成大脑供血不足，成为植物人。事后，露薇从自己的男友、医生秦超处得知，自己送来的病人正是秦超大学同学，心胸外科主任皇甫的未婚妻苏小彤。露薇到心胸外科上班，由于露薇模样与小彤长得相似，被好些人认为……Link to this article: Scratch2.0 Programming Tutorial Section 6: Event Module千年白蛇白素贞（孙骁骁饰），受观世音菩萨点化来到凡间了却一段尘缘。在凡间，白素贞遇到前世曾经相救自己的恩人许仙，为了报恩，白素贞和许仙相识，相知，相爱，最终结为伉俪。而金山寺和尚法海以除魔卫道为己任，被自己前世的一缕恶念所利用，极力拆散白素贞和许仙。白素贞的好姐妹小青和白素贞一起对抗法海。法海被恶念魔道控制，各种招数出尽，甚至不惜扣留许仙相要挟，白素贞和小青为救许仙水漫金山，无意造下无边杀孽。法海算准白素贞所造杀孽定为天所不容，炼制出紫金钵盂收服白素贞并将其压在雷峰塔下。许仙不嫌白素贞是妖，忠贞不渝守候塔外，含辛茹苦抚养大自己和白素贞的儿子许仕林。最终许仙感动上苍除掉恶僧法海，推到雷峰塔，救出了白素贞。