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Creating Multifield Indexes in Mongoose / MongoDB
I'm trying to find docum>me m>ntation, to no avail, on how to create multi-field indexes in Mongoosejs. In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together?
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HQL ERROR: Path expected for join
I keep trying variations of this query and can't seem to make this happen. I've also referenced this post: Path Expected for Join! Nhibernate Error and can't seem to apply the sam>me m> logic to my query. My User object has a UserGroup collection.
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Where does this com>me m> from: -*- coding: utf-8 -*-
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This way of specifying the encoding of a Python file com>me m>s from PEP 0263 - Defining Python Source Code Encodings.
It is also recognized by GNU Emacs (see Python Language Reference, 2.1.4 Encoding declarations), though I don't know if it was the first program to use that syntax.
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How to compare types
Quick question: how to compare a Type type (pun not intended) with another type in C#?
I m>me m>an, I've a Type typeField and I want to know if it is System.String , System.DateTim>me m> , etc., but typeField.Equals(System.String) doesn't work.
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What is a “Bitmap heap scan” in a query plan?
I want to know the principle of "Bitmap heap scan", I know this often happens
when I execute a query with OR in the condition.
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Calculate difference between two datetim>me m>s in MySQL
I am storing the last login tim>me m> in MySQL in, datetim>me m> -type filed. When users logs in, I want to get the difference between the last login tim>me m> and the current tim>me m> (which I get using NOW() ).
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How do I UPDATE from a SELECT in SQL Server?
... it is possible to insert rows into a table with an INSERT.. SELECT statem>me m>nt:
35 Answers
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Incompatible implicit declaration of built-in function ‘malloc’
I'm getting this error:
5 Answers
5
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What is the maximum length of data I can put in a BLOB column in MySQL?
What is the maximum length of data I can put in a BLOB column in MySQL?
3 Answers
3
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Determine if an object property is ko.observable
I'm using KnockoutJS version 2.0.0
4 Answers
4
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