I have an array, which is output by a map/reduce method performed by MongoDB, it looks something like this:
I am using Ruby Mongo Driver. @surname = coll2.find(\"name\" => {\"surname\" => \"testing\"}) Shouldn\'t this be working? I get no results.
I\'m trying to figure out what the performance is with Mongoid when doing queries on embedded documents. I\'m quite new to Mongoid and MongoDB, so if you spot anything that you think is bad practice,
I\'m trying to create a compound key as my \"_id\" field, which takes in some geo information as well as other attributes.It looks something like:
Assuming the following: irb> x irb> => {\"_id\"=> 123456, \"welcome\"=>\"Hi!\", \"welcome2\" => \"Enjoy your stay!\"}
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I am absolutely totally news to Rails and to MongoDB. I have been following tutorials from a good book and create my first Rails app with a light Twitter copy. Everything went fine and smooth.
can u help me pls as i surfed around but didn\'t find any information. I\'m working with mongoDB capped collection using Ruby. I need to update documents according to the id i retrieve from the query,
I am using MongoDB 1.6.3, to store a big collection (300k+ records). I added a composite index. db[\'collection_name\'].getIndexes()
风叶RLBY 2022-04-20 04:00 输卵管造影不能看出子宫肌瘤。输卵管造影是检测输卵管是不是通畅，查看输卵管的形状和堵塞部开发者_运维百科位，了解宫腔的形状，判定是不是有子宫畸形和子宫畸形的典型，判定是否有
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