orms | Make a RM2K-like game with RMVXAce | Runtime Evironment library
kandi X-RAY | orms Summary
kandi X-RAY | orms Summary
Make a RM2K(3)-like game with RMVXAce!.
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# BITMAP_FONT_FEATURE_OPTIONS:
FONT_WIDTH = 7 # See BMP Font character's width
FONT_HEIGHT = 11 # See BMP Font character's height
# BITMAP_FONT_FEATURE_OPTIONS:
FONT_WIDTH = 6 # See BMP Font character
Community Discussions
Trending Discussions on orms
QUESTION
I am using Spring Boot with Hibernate, JPA and Postgresql database. I am trying to create new user and save it. I have the following code:
UserEntity.java
...ANSWER
Answered 2021-May-24 at 12:14For PostgreSQL you need to use GenerationType.SEQUENCE
instead of GenerationType.IDENTITY.
Then:
QUESTION
I'm trying to create an in-memory SQLite database off of SQLAlchemy ORMs originally designed for a Postgres database. To allow the SQLite engine to convert postgres specific datatypes, I've relied on the SQLAlchemy @compiles
decorator, which works as intended for types in the sqlalchemy.dialects.postgresql
namespace.
How can I convert the geoalchemy2.Raster
data type to a engine-agnostic data type (it could be a sqlalchemy.BLOB
type for all I care. The important thing is that I can create tables that are similar, they don't need to be exact)?
This example code converts the DOUBLE_PRECISION
type as intended, but I'm at a loss for how to modify the geoalchemy2.Raster
data type which is a UserDefinedType
. I'd like to be able to write a similar method to compile_DOUBLE_PRECISION()
that changes Raster
into a BLOB
type.
ANSWER
Answered 2021-May-15 at 08:17I'm not familiar with postgresql but maybe something like this could work
QUESTION
I have started to dive into ORMs and suddenly a question popped into my head: Does ORMs like Hibernate and SqlAlchemy fire 2 queries when we use their pagination functionality?
- If no, then how do they show the total result set count in spite of setting pageNo and pageSize?
- If yes, is it efficient? Running an extra query against all the records in the table to get the actual count and then running a second query with
LIMIT
andOFFSET
The pagination object in flask-sqlalchemy
provides properties like obj.total
, obj.has_next
, obj.page
ANSWER
Answered 2021-May-05 at 19:08SQLAlchemy works as you'd expect, with two queries-- there's no other way to do it really.
For instance, with a simple Post
model you get two queries (I've set SQLALCHEMY_ECHO
to True
in the config to get these statement's echoed)
QUESTION
I am trying to save entity with OnetoMany relation. Am expecting that, the child items attached to the parents will automatically saved on saving parent. But it fails with following exception. I doubt that composite key that embedded at child element is making trouble. Can somebody help me..
Execption
...ANSWER
Answered 2021-May-10 at 18:59Infact, the problem here is that the automatic generation of the itemId
does not work when it is specified inside the composite EmbeddedId (which is "assignment"-based).
(Trying to just save an order with only one item would get you a clearer error message revealing the root problem.)
The automatic generation of ID values inside of embedded IDs does not seem to work as one would expect, as various (old) discussions of this topic show, e.g.:
Hibernate composite key id generator
How can I use generated value within composite keys?
Also see Chapter 6.2. Composite identifiers of the official documentation.
A common workaround involves moving the generated field directly into the entity and using an @IdClass
:
https://vladmihalcea.com/how-to-map-a-composite-identifier-using-an-automatically-generatedvalue-with-jpa-and-hibernate/
E.g.:
QUESTION
so I am following a tutorial series from Corey Schafer for making a Flask Web App, but I'm doing something wrong. So when it comes to making a new post from a user to the database it writes in the database with the data from the form, but when I try to add another post from the same user I get the error:
...ANSWER
Answered 2021-Apr-27 at 04:27UPDATED: thanks to @IljaEverilä, I was wrong, backref
can be used for assignment, not only for retrieving. My answer fixed author's problem, but my comment about mistake in tutorial's code is incorrect and actual problem is in another place. For more info about backref
(with examples for assignement - SQLAlchemy docs)
I put it there because looks like the code in mentioned tutorial has a mistake.
The problem is that your don't pass any user_id
, but you pass author
. I checked the code from this tutorial and noticed that author
field exists in Django model, not Flask. So just replace author=current_user
with user_id=current_user.id
and it should work
QUESTION
Short: Is it possible to edit value entity collections ("replace collections") of an item resource?
Let's say there is the following model:
...ANSWER
Answered 2021-May-01 at 19:17Since no repository is planned anyway, it is possible to change the CourseMembership
from an @Entity
to an @Embeddable
and the association in Student
from @OneToMany
to an @ElementCollection
:
QUESTION
I have multiple google forms (surveys) that I am linking to a sheet. I used a query
...ANSWER
Answered 2021-Apr-26 at 19:47sadly there isn't such an option in google sheets. but you may use programmatical generation like:
QUESTION
I configured the app for using Application Factories. App goes well, I can login, create users, query information from Postgres DB, Migrate tables, etc.
I used to query data from models in python console for check status and test some ORM configuration before Application Factories changes, I used to run these commands and get response
...ANSWER
Answered 2021-Apr-19 at 10:51Use the flask shell
command to access your application. The purpose of this command is to start a Python interpreter in the context of the application. What do I mean:
QUESTION
I am trying to create a Nesting Custom Type in spring Boot Rest Api. I have created Book.java entity class
...ANSWER
Answered 2021-Apr-14 at 05:23I hope the issue is with data you are passing to the Book and Author object are incorrect and wrong.
Example Book_ID
does not map to Book pojo object actually it is id
but for Author object you are passing the right one
authorId
As per my understanding Book is trying to save the Author object based on authorId
of 6. But Author object with 6 is already presented in the database.
Basically this is because of @OneToOne(cascade = CascadeType.ALL)
option
So the exact JSON to inserting a new record is
QUESTION
When I checked the operation of the app updated to Symfony 2.x-> Symfony 4.4, I found that the validation was not working well.
Even if the validation is set, even if you enter a value that is flipped by validation, it will not be flipped and will be saved.
Are there any changes in these features due to the Symfony update?
Html5EmailValidator.php
...ANSWER
Answered 2021-Apr-08 at 10:15I was able to solve the problem by changing to the following form. Html5EmailValidator.php
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