Since Mongo is schemaless, there is no need to specify schema, only collections must be created. Same for indexes - these are just classic (B-tree) indexes that work on any field type.
Community-powered research — every run advances the science
。业内人士推荐电影作为进阶阅读
Before you share your location, you'll get to choose how long you want to share -- one hour, today only (ending at midnight), until you turn it off, or for a custom time period less than 24 hours. You can also stop sharing at any time.
Конфликт США и Ирана приведет к задержкам поставок американского оружия Европе. Об этом заявил министр обороны Польши Владислав Косиняк-Камыш, передает Politico.