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How do detect Android Tablets in general. Useragent?

I have looked everywhere. We are using a Motorola Zoom to try our tablet site testing. The issue is that the Android Useragent is a general Useragent and there is no difference between tablet Android and mobile Android. I don't want to just target a specific device like the Xoom Useragent since And...
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In Python, how do I read the exif data for an image?

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How to merge dictionaries of dictionaries?

I need to merge multiple dictionaries, here's what I have for instance: 29 Answers 29 ...
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Rails migration for has_and_belongs_to_many join table

...here: class Teacher < ActiveRecord::Base has_and_belongs_to_many :students end and class Student < ActiveRecord::Base has_and_belongs_to_many :teachers end for rails 4: rails generate migration CreateJoinTableStudentTeacher student teacher for rails 3: rails generate migrati...
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How to set a default value for a datetime column to record creation time in a migration?

... This is supported now in Rails 5. Here is a sample migration: class CreatePosts < ActiveRecord::Migration[5.0] def change create_table :posts do |t| t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' } ...
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Recursive file search using PowerShell

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What is a higher kinded type in Scala?

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Query-string encoding of a Javascript Object

Do you know a fast and simple way to encode a Javascript Object into a string that I can pass via a GET Request? 40 Ans...
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MySQL “incorrect string value” error when save unicode string in Django

...trange error message when tried to save first_name, last_name to Django's auth_user model. 9 Answers ...