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# Kotlin Programming Language

Welcome to [Kotlin](https://kotlinlang.org/)!   
It is an open-source, statically typed programming language supported and developed by [JetBrains](https://www.jetbrains.com/) and open-source contributors.

Some handy links:

### Timer changes

Go 1.23 makes two significant changes to the implementation of
[time.Timer] and [time.Ticker].

First, `Timer`s and `Ticker`s that are no longer referred to by the program
become eligible for garbage collection immediately, even if their
`Stop` methods have not been called.
Earlier versions of Go did not collect unstopped `Timer`s until after
they had fired and never collected unstopped `Ticker`s.

    connections.add(connection)
//    connection.queueEvent { connectionListener.connectEnd(connection) }
    scheduleCloser()
  }

  /**
   * Notify this pool that [connection] has become idle. Returns true if the connection has been
   * removed from the pool and should be closed.
   */
  fun connectionBecameIdle(connection: RealConnection): Boolean {
    connection.lock.assertHeld()

---

"_If anyone is looking to build a production Python API, I would highly recommend **FastAPI**. It is **beautifully designed**, **simple to use** and **highly scalable**, it has become a **key component** in our API first development strategy and is driving many automations and services such as our Virtual TAC Engineer._"

   ([#122846](https://github.com/kubernetes/kubernetes/pull/122846), [@marosset](https://github.com/marosset))
- Fixed an issue where mount points could become local without calling `NodePublishVolume` after node rebooting.
   ([#119923](https://github.com/kubernetes/kubernetes/pull/119923), [@cvvz](https://github.com/cvvz))

- Etcd: Update to version 3.5.10 ([#121805](https://github.com/kubernetes/kubernetes/pull/121805), [@mzaian](https://github.com/mzaian)) [SIG API Machinery, Cloud Provider, Cluster Lifecycle, Etcd and Testing]
- Fix: Mount point may become local without calling NodePublishVolume after node rebooting. ([#119923](https://github.com/kubernetes/kubernetes/pull/119923), [@cvvz](https://github.com/cvvz)) [SIG Node and Storage]

Whether the type checker produces `Alias` types or not is controlled by the
[`gotypesalias` setting](/pkg/go/types#Alias).
For Go 1.22 it defaults to `gotypesalias=0`.
For Go 1.23, `gotypesalias=1` will become the default.
This setting will be removed in a future release, Go 1.24 at the earliest.

Go 1.22 changed the default minimum TLS version supported by both servers

    )

    taskFaker.advanceUntil(800.ms)
    assertEvents(
      "plan 3 TCP connect canceled",
    )

    taskFaker.assertNoMoreTasks()
  }

  /**
   * This test causes two connections to become available simultaneously, one from a TCP connect and
   * one from the pool. We must take the pooled connection because by taking it from the pool, we've
   * fully acquired it.
   *

---

"_If anyone is looking to build a production Python API, I would highly recommend **FastAPI**. It is **beautifully designed**, **simple to use** and **highly scalable**, it has become a **key component** in our API first development strategy and is driving many automations and services such as our Virtual TAC Engineer._"

{!../../../docs_src/sql_databases/sql_app/models.py!}
```

### Create the relationships

Now create the relationships.

For this, we use `relationship` provided by SQLAlchemy ORM.

This will become, more or less, a "magic" attribute that will contain the values from other tables related to this one.

```Python hl_lines="2  15  26"
{!../../../docs_src/sql_databases/sql_app/models.py!}
```