How do I update/change the TimestampSequence on a Mongoid document in rails/ruby? If you dont know in Mongoid but know in MongoDB that开发者_如何学编程 will work as well.
For example, I have documents with only three fields: user, date, status. Since I select by user and sort by date, I have those tw开发者_运维知识库o fields as an index. That is the proper thing to do.
Mongo version 1.8.2. Assume I have a class like public class Acc { public int _id { get; set; } public int? Foo { get; set; }
I\'ve fetched a number of ids through MapReduce. I\'ve sorted those ids by some criteria and now I need to get those objects in this particular order:
We are running two copies of a django-based application within an Apache instance. We have this python code when loading an obje开发者_开发知识库ct from the database:
Is there a way to take a hash of data (or even better an XML开发者_StackOverflow社区 document) could be mapped straight to a mongo document.So this hash:
This question already has answers here: Mongo order by length of array (4 answers) Closed 8 years ago. Say i have a collection of answers where each answer contains an array of user_ids.
I have a MongoDB 2.0 install along with NodeJS 0.4.11 and I\'m trying to do upserts into a database.Here\'s the code:
I\'m looking for the proper syntax to use a replicaSet.I see the documentation on the PHP page http://php.net/manual/en/mongo.construct.php however I\'m not quite sure what happens next.
Ok so I have a JS object that is being POSTed via AJAX to the nodejs backend. I want to insert this js object directly into my mongoose db as the object keys already match up perfectly with the db sch
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