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Questions - enums

In Rails 4, how do I reference an enum value when initializing my model?

I’m using Rails 4.2. It is not an option to upgrade at this time. I have this model class OrderItem < ApplicationRecord … enum type: { data: “Data”, product: “Product” } How do I initializ...
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Dave

ruby-on-rails

ruby-on-rails-4

enums

activemodel

Votes: 0

Answers: 2

Latest Answer

I'd guess that you're running into an STI conflict, not an enum issue. Rails reserves the type column name for Single Table Inheritance (STI) and uses type to store the class name but you're trying to...
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mu is too short

Create Enum referencing a list with TkImages

I've got a couple of images in a folder and each of these gets resized and turned into an image for Tkinter. I want to use these images in other python scripts as a enum. This is how I create the imag...
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MEEMexe

python

tkinter

enums

Votes: 0

Answers: 1

Latest Answer

I'd recommend staying away from global variables; you can pass arguments to a class directly: class Black(): def __init__(self, pngs): self.name1 = pngs[0] self.name2 = pngs[1] In...
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Andrej Prsa

Troubleshooting enums with efcore.pg

Are there any best practices in troubleshooting enums when using with Npgsql.EntityFrameworkCore.PostgreSQL provider? It's just that I don't know where to look anymore. Here is how I register them: pu...
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Kasbolat Kumakhov

c#

enums

entity-framework-core

migration

npgsql

Votes: 0

Answers: 1

Latest Answer

For anyone who will stumble into this, current workaround (until this issue is addressed) is to manually MapEnum all enums from all database contexts somewhere else, not inside of each DbContext stati...
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Kasbolat Kumakhov

why does enum initialize from integer with copy initialization?

A variable of enum type may not be initialized with an integer. However, copy initialization with an integer seems to work, why is that? enum Day {Monday, Tuesday, Wednesday}; int main(){ Day toda...
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Mikhail

c++

enums

initialization

Votes: 0

Answers: 1

Latest Answer

Day(1) is a functional-style explicit cast because it uses parentheses and exactly one expression between them. This means it is equivalent to (Day)1. Both do not directly initialize an object of type...
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user17732522

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