Excellent burn and construction, the only thing I didn't like was the crazy amount of smoke coming from the foot throughout the whole session! Nonetheless, great black coffee, a bit of espresso, cocoa, dark chocolate, sweet tobacco flavors. My cigar had a ton of tooth so that helped with...
> db.inventory.distinct(“dept”) //获取dept字段的不重复值 结果:[“A”,”B”] > db.inventory.distinct(“item.sku”)//获取item子字段sku的不重复值 结果:[“111”,”222”,”333”] >db.inventory.distinct(“sizes”)//获取数组格式字段的不重复值 结果:[“M”,”S”,”L”] >db.inventory...
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Burn Rate 消耗速度Burst Node 分支点Business Actor 业务参与者/角色Business Appraisal 商业评估Business Area 业务领域Business Assurance 商业保证Business Assurance Coordinator 商业保证协调人Business Case 商业案例Business Change Manager ("BCM") 商业变更经理BCMBusiness Creation 商业创新Business Engineering 商业工程...
MongoDB中的集合查询(获取一组文档中某个字段的不同值列表) 运用方法:DBCollection对象方法中的 distinct() 语句: 语句结构:distinct(key,[query]) key字符串,指定获取哪个字段的不同值;query:包含标准查询选项的对象,指定了要从哪个文档中获取不同的字段值 ...