mongodb
Push new value to inner array with Lithium and MongoDB
I have a structure like this: [_id] => MongoId Object ( [$id] => 4e91bcb40b7aab256c000000 ) [campaigns] => Array ([详细]
2023-04-11 15:43 分类:问答Select unique fields from array using MongoDB
I have a MongoDB structure which currently looks like this: [campaigns] => Array ( [0] => Array ([详细]
2023-04-11 15:03 分类:问答Is the order of embedded objects maintained in MongoDB?
Title basically describes the question.I\'m assuming if it comes out as an array it will be maintained, but if 开发者_如何学编程a hash it will not.I\'m just not sure which is it using.[详细]
2023-04-11 13:10 分类:问答PHP MongoDB $and / $all querying
If I want to select documents that meet two specific criteria, how do I format the query? Right now I开发者_开发技巧 currently have this:[详细]
2023-04-11 12:54 分类:问答How to see the converted query by MongoDB shell
> db.foo.remove() > db.foo.insert( { foo : \"bar\" } ) > var cursor = db.foo.find( {开发者_运维问答 foo : \"bar\" } ).sort({x : 1})[详细]
2023-04-11 11:05 分类:问答Mongoose Getter acting like Setter
I have a getter that looks like this : UserSchema .path(\'avatar\') .get(function(avatar){ if(!avatar){ avatar = \"defaultAvatar.jpg\";[详细]
2023-04-11 10:09 分类:问答To have efficient sorting in mongo is it necessary to change the _id field?
I have a document with only about 200 elements in it.But I am still getting a very slow response just by querying it like:[详细]
2023-04-11 09:25 分类:问答MongoDB Administration through command line scripts
in mysql I can administer my database (the primary goal is to a have an automate开发者_开发百科d build of the database by sequentially applying changes to it with scripts) by running commands like thi[详细]
2023-04-11 08:28 分类:问答Increase MongoDB maximum number of connections
I am getting some errors on MongoDB side, the error is complaining that it reached the max allowed connections.[详细]
2023-04-11 08:12 分类:问答Heroku could not authenticate mongolab
It was corrected two开发者_如何学JAVA days ago. And yesterday I committed some changes to heroku and the application crashed, I found from heroku logs that:[详细]
2023-04-11 07:22 分类:问答