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How to implement has_many :through relationships with Mongoid and mongodb?
...ld model that differently in MongoDB using a field containing an array of 'foreign' keys on either side. For example:
class Physician
include Mongoid::Document
has_and_belongs_to_many :patients
end
class Patient
include Mongoid::Document
has_and_belongs_to_many :physicians
end
In other w...
CSV file written with Python has blank lines between each row
...
For compatibility between 2.6/2.7 and 3, you can use io.open with the newlines argument. If you're still writing in 2.x, that seems like a better choice anyway since it's forward compatible.
– jpmc26
...
What is Data Transfer Object?
...applications. They also make great models in the MVC pattern.
Another use for DTOs can be to encapsulate parameters for method calls. This can be useful if a method takes more than 4 or 5 parameters.
When using the DTO pattern, you would also make use of DTO assemblers. The assemblers are used to ...
Open-sided Android stroke?
...you can add a solid shape color as in Maragues answer.
EDIT 1
Sometimes, for High Density devices, using low dip values may end in very thin or invisible strokes or distances. This may happen to you also when setting ListView dividers.
The simplest workaround is to use a distance of 1px instead o...
How do I declare a global variable in VBA?
... the first procedure definition." (from Scope of variables in Visual Basic for Applications)
– Nickolay
Jan 29 at 16:49
...
How to convert AAR to JAR
...
Following the tutorial for Spotify Android SDK, this answer was the remedy. This is because I develop projects in Netbeans, which seems to be not in compliance with the AAR extension. The remark of ChuongPham seems to be related not to this answer,...
Split code over multiple lines in an R script
...er multiple lines, but rather a single identifier. There is a difference.
For your issue, try
R> setwd(paste("~/a/very/long/path/here",
"/and/then/some/more",
"/and/then/some/more",
"/and/then/some/more", sep=""))
which also illustrates that it is ...
Views vs Components in Ember.js
...Ember.View
An Ember.View is currently limited to the tags that are created for you by the W3C. But if you wanted to define your own application-specific HTML tags and then implement their behavior using JavaScript? You can't do this actually with a Ember.View.
Ember.Component
That's exactly what com...
How to dynamically update a ListView on Android [closed]
... ListView Adapter classes come with a Filter object that can be used to perform the filtering automagically. We just need to pipe the input from the EditText into the Filter. Turns out that is pretty easy. To run a quick test, add this line to your onCreate() call
adapter.getFilter().filter(s);
N...
user authentication libraries for node.js?
Are there any existing user authentication libraries for node.js? In particular I'm looking for something that can do password authentication for a user (using a custom backend auth DB), and associate that user with a session.
...