# Learn

Here are the introductory sections and the tutorials to learn **FastAPI**.

- A DaemonSet which runs Calico on each node in the cluster.
- A Deployment which installs the Calico Typha agent.
- A Service for the Calico Typha agent.
- Horizontal and vertical autoscalers for Calico.

### Learn More

NOTE: Dependencies on other projects isn't covered in this guide.
To learn more about this subject, have a look at the https://github.com/gradle/native-samples/tree/master/cpp/transitive-dependencies[transitive dependency sample] for a demonstration.

NOTE: Publishing libraries to Maven repositories is outside the scope of this guide.

package main

import (
	"syscall"
	"unsafe"
)

var (
	modkernel32       = syscall.NewLazyDLL("kernel32.dll")
	procGetSystemInfo = modkernel32.NewProc("GetSystemInfo")
)

// see https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/ns-sysinfoapi-system_info
type systeminfo struct {
	wProcessorArchitecture      uint16
	wReserved                   uint16
	dwPageSize                  uint32

	// subprocess in the default setup.
	//
	// Ensure no new console is attached to the subprocess by setting CREATE_NO_WINDOW.
	//   https://learn.microsoft.com/en-us/windows/console/creation-of-a-console
	//   https://learn.microsoft.com/en-us/windows/win32/procthread/process-creation-flags
	cmd.SysProcAttr = &syscall.SysProcAttr{
		CreationFlags: windows.CREATE_NO_WINDOW,
	}

## Learn More

You can learn more about **GraphQL** in the <a href="https://graphql.org/" class="external-link" target="_blank">official GraphQL documentation</a>.

                "Learn more about toolchain auto-detection at " + Documentation.userManual("toolchains", "sec:auto_detection").getUrl() + ".",
                "Learn more about toolchain repositories at " + Documentation.userManual("toolchains", "sub:download_repositories").getUrl() + ".");
        }

// Reparse tag values are taken from
// https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/c8e77b37-3909-4fe6-a4ea-2b9d423b1ee4
const (
	FSCTL_SET_REPARSE_POINT    = 0x000900A4
	IO_REPARSE_TAG_MOUNT_POINT = 0xA0000003
	IO_REPARSE_TAG_DEDUP       = 0x80000013
	IO_REPARSE_TAG_AF_UNIX     = 0x80000023

	SYMLINK_FLAG_RELATIVE = 1
)

// These structures are described

# Security Policy

Security is very important for FastAPI and its community. 🔒

Learn more about it below. 👇

## Versions

The latest version of FastAPI is supported.

You are encouraged to [write tests](https://fastapi.tiangolo.com/tutorial/testing/) for your application and update your FastAPI version frequently after ensuring that your tests are passing. This way you will benefit from the latest features, bug fixes, and **security fixes**.

        <span class="badge-type button--blue">LEARN</span>
        <span class="badge-text">Take courses on DPE University&nbsp;&nbsp;&nbsp;&gt;</span>
    </a>
</div>
++++

== For Software Developers

For software developers that need to build, test, and publish their app, or add dependencies to their build, get started here:

=== 1. Core Concepts

[sidebar]
_Description_: *Learn how to invoke tasks and add dependencies.* +