DataSources | Type-safe data-driven CollectionView | iOS library
kandi X-RAY | DataSources Summary
kandi X-RAY | DataSources Summary
Type-safe data-driven List-UI Framework. (We can also use ASCollectionNode). Partial updates(insert, delete, move) of UICollectionView/UITableView is important things for fancy UI. But, It's hard that synchronous of data and UI. DataSources will solve this problem.
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QUESTION
While Working on a Spring Boot Application with SB version 2.5.0, Spring Cloud (for Centralized Config 2020.0.2) The Hibernate version is 5.4.31 (I am not using a specific Hibernate version, it is as per Spring Boot compatibility). Using H2 database for in-memory data, as I need to create the sample application for demo.
In the Resources folder, I do have my SQL file.
When I name it data.sql the application does not start at all.
When I renamed this file as import.sql, my application started but still facing issues for multi-row insertion.
Data Insert SQL File
...ANSWER
Answered 2021-Jun-09 at 10:11You need to add this to the app config:
QUESTION
Dears,
Can you please help me if there is a way to add another data source to existing report (rpt file) that I have on production environment, but I only have rpt file not the whole solution.
I tried to add new connection and add the fields I want, but multiple datasources warning appear and rpt file will show blank in browser once I opened it. I tried also to add subreport which depend on the new data source and I linked it with the main report but still same issue blank report in production environment.
Any help will be appreciated.
Thanks
Update:
- This is the existing fields in the original rpt file:
- Database Fields > Database Experts, adding new connection:
I added new connection, you can see it down
- After adding, VS will ask me for the old XML File which I don't have it so I will just click cancel then the new fields will be added to Database Fields. At this point, rpt file will be shown as blank. Any help with this issue?
ANSWER
Answered 2021-Jun-10 at 13:24Linking to a second data source in the main report requires that the link is based only on one column and that this shared column has the same data type and size.
If you need a more complex join, then going with a subreport is a good option. Start by creating a new main report that acts as the design of the subreport. If it returns the expected information, insert it as a subreport. That step cannot cause the the main report to go blank. You should then be able to add a link to the subreport and make progress.
QUESTION
I'm having trouble testing Grails 4 with multiple datasources configured.
Domain Class ...ANSWER
Answered 2021-Jun-11 at 00:00I listed each datasource explicitly, and that fixed the problem.
QUESTION
When I write data to SQL DW in Azure from Databricks I use the following code:
...ANSWER
Answered 2021-Jun-09 at 20:04If you are writing to a dedicated SQL pool within the same Synapse workspace as your notebook, then it's as simple as calling the synapsesql method. A simple parameterised example in Scala, using the parameter cell feature of Synapse notebooks.
QUESTION
Warning message
WARN [io.qua.hib.orm.dep.HibernateOrmProcessor] Could not find a suitable persistence unit for model classes:
- io.quarkus.hibernate.orm.panache.kotlin.PanacheEntity
- io.quarkus.hibernate.orm.panache.kotlin.PanacheEntityBase
The same issue with both io.quarkus:quarkus-hibernate-orm-panache and io.quarkus:quarkus-hibernate-orm-panache-kotlin (PanacheCompanion).
My project has multiple named persistent units and datasources (no default). I'm also using multitenant feature.
...INFO [io.quarkus] Installed features: [agroal, cache, cdi, config-yaml, hibernate-orm, hibernate-orm-panache-kotlin, jdbc-mysql, kotlin, mutiny, narayana-jta, resteasy, resteasy-jackson, security, smallrye-context-propagation, smallrye-jwt, smallrye-openapi, swagger-ui, vertx, vertx-web]
ANSWER
Answered 2021-Jun-09 at 01:34It seems that the ORM processor doesn't exclude those base entities, and tries to attach them to a non-existent "default" persistent units. Hence the warning.
I could get rid of it by either define "default" PU or assign io.quarkus.hibernate.orm.panache.kotlin to a named one.
QUESTION
I am doing a study on the feasibility of a Spring Batch composed of two datasources. A SQL datasource for the Spring Batch metadata and a MongoDB datasource (with transactional use) for the business data. The transactional aspect raises several questions here.
The following topic: Spring batch with MongoDB and transactions and related resources provide a number of answers to my questions.
The answer mentions the use of Spring's JtaTransactionManager to manage distributed transactions on the two datasources.
This technique uses the 2PC protocol. It is also the most robust solution if I understood correctly. https://www.infoworld.com/article/2077963/distributed-transactions-in-spring--with-and-without-xa.html?page=2
On the other hand, I found some resources about Spring's ChainedTransactionManager. This technique uses the best effort 1PC protocol. This solution is less robust, if I understand correctly the system can be in an inconsistent state in case of a problem in the infrastructure (network failure for example).
The ChainedTransactionManager has the advantage of being easier to implement and offers better performance. I saw that it is deprecated https://github.com/spring-projects/spring-data-commons/issues/2232.
What are the concrete risks of using the ChainedTransactionManager in a Spring Batch? In case of an error, can I have inconsistencies between the Spring batch metadata and the business data in Mongo?
I imagine there are also considerations to take into account with retry or chunk skip strategies?
Thanks a lot for your help.
...ANSWER
Answered 2021-Jun-07 at 12:58In case of an error, can I have inconsistencies between the Spring batch metadata and the business data in Mongo?
Yes, that's is the risk you should be aware of.
A common technique to avoid that is to disable state management and use the process indicator pattern. You can find an example here.
QUESTION
I'm learning MVVM and RxSwift, and I want to display data from GitHub api and populate into collectionViewDiffableDataSource. But it's not displaying my data, even with my snapshot is already setup to accept my data. This is my code
...ANSWER
Answered 2021-Jun-07 at 11:52Your setupSnapshot() function is being called before the values have been accepted into followers. I haven't used a NSDiffableDataSourceSnapshot yet, but you likely need to do something like this instead:
QUESTION
I've created the following demo view controller to reproduce the issue in a minimal example.
Here I'm applying a snapshot of the same data repeatedly to the same collection view using UICollectionViewDiffableDataSource and every time all of the cells are reloaded even though nothing has changed.
I'm wondering if this is a bug, or if I'm "holding it wrong".
It looks like this other user had the same issue, though they didn't provide enough information to reproduce the bug exactly: iOS UICollectionViewDiffableDataSource reloads all data with no changes
EDIT: I've also uncovered a strange behavior - if animating differences is true, the cells are not reloaded every time.
ANSWER
Answered 2021-Jun-06 at 22:15I think you've put your finger on it. When you say animatingDifferences is to be false, you are asking the diffable data source to behave as if it were not a diffable data source. You are saying: "Skip all that diffable stuff and just accept this new data." In other words, you are saying the equivalent of reloadData(). No new cells are created (it's easy to prove that by logging), because all the cells are already visible; but by the same token, all the visible cells are reconfigured, which is exactly what one expects from saying reloadData().
When animatingDifferences is true, on the other hand, the diffable data source thinks hard about what has changed, so that, if necessary, it can animate it. As a result of all that work behind the scenes, therefore, it knows when it can avoid reloading a cell if it doesn't have to (because it can move the cell instead).
Indeed, when animatingDifferences is true, you can apply a snapshot that reverses the cells, and yet configure is never called again, because moving the cells around is all that needs to be done:
QUESTION
I am working with a CakePHP based API that utilizes AWS Aurora to manage our MySQL database. The CakePHP application has many large read queries that that requires a separate Reader Endpoint to not exhaust the database resources.
The way this works is that AWS gives you separate endpoints to use in the host field when you connect CakePHP to it.
I went ahead and configured it the following way, which works. The folowing datasources are set up in config/app.php, using the reader and cluster (default) endpoints for the host value:
...ANSWER
Answered 2021-Jun-05 at 14:10That topic comes up every once in a while, but the conclusion always has been that this isn't something that the core wants to support: https://github.com/cakephp/cakephp/issues/9197
So you're on your own here, and there's many ways how you could solve this in a more DRY manner, but that depends to a non-negligible degree on your application's specific needs. It's hard to give any proper generic advice on this, as doing things wrong can have dire consequences.
Like if you'd blindly apply a specific connection to all read operations, you'd very likely end up very sad when your application will issue a read on a different connection while you're in a transaction that writes something based on the read data.
All that being sad, you could split your models into read/write ones, going down the CQRS-ish route, you could use behaviors that provide a more straightforward and reusable API for your tables, you could move your operations into the model layer and hide the possibly a bit dirty implementation that way, you could configure the default connection based on the requested endpoint, eg whether it's a read or a write one, etc.
There's many ways to "solve" the problem, but I'm afraid it's not something anyone here could definitively answer.
QUESTION
I have this project that I just started and using a model from my teacher I created a simple class to be mapped in the H2. So far no problems I run the application and the table is generated and I try some insert commands and they are fine but when I add the data.sql at the resources folder the project refuses to generate the schema.
Here is my application.properties file:
...ANSWER
Answered 2021-Jun-02 at 18:44You can put your statements in import.sql instead of data.sql and retry. Hibernate uses this file to initialize the table.
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