// Define the function and its grad
  DefineFunction(func_name_, &func_);
  TF_Function* grad_func;
  DefineFunction("MyGrad", &grad_func);

  // Add func and its gradient to host graph
  TF_GraphCopyFunction(host_graph_, func_, grad_func, s_);
  ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);

  // Verify that function and its grad are in host graph's GraphDef
  GraphDef gdef;

* Nawet zależności mogą mieć zależności, tworząc hierarchię lub **"graf" zależności**.
* Wszystko jest **obsługiwane automatycznie** przez framework.

EtB,OADAnE,EAAAA,QAAEC,GAAGJ,IAAQE,GACNmM,GAAWzI,kBChHpB,IACM3D,GAAW,aACXC,GAAqBC,EAAAA,QAAEC,GAAF,OAErB8G,GAAuB,yBAIvBmG,GAAkC,oCAClCC,GAA2B,mBAC3BC,GAA6BD,0BAC7BE,GAAsBF,oCACtBG,GAA6BH,2CAC7BI,GAAkCD,GAAN,aAC5BE,GAAkCF,GAAN,aAC5BG,GAA0BN,4CAC1BO,GAAwBD,GAAN,cAClBE,GAA0BF,GAAN,gBACpBG,GAAuBH,GAAN,aACjBI,GAA6B,uCAE7BC,GAA4B,oCAC5BC,GAAgC,+BAChCC,GAAyB,cACzBC,GAA6B,yBAE7B7N,GAAU,CACd8N,WADc,SACHC,GACT,OAAOA,GAETC,aAJc,SAIDD,GACX,OAAOA,GAETE,aAPc,SAODF,GACX,OAAOA,GAETG,gBAAgB,EAChBC,gBAAgB,EAChBC,...

	l := int64(len(p))
	if l == 0 {
		return 0, nil
	}
	if s.skipCount > 0 {
		tmp := p
		if s.skipCount > l && l < copyBufferSize {
			// We may get a very small buffer, so we grab a temporary buffer.
			bufp := copyBufPool.Get().(*[]byte)
			buf := *bufp
			tmp = buf[:copyBufferSize]
			defer copyBufPool.Put(bufp)
			l = int64(len(tmp))
		}
		for s.skipCount > 0 {

  repeated string items = 1;
}

// LocalSubjectAccessReview checks whether or not a user or group can perform an action in a given namespace.
// Having a namespace scoped resource makes it much easier to grant namespace scoped policy that includes permissions
// checking.
message LocalSubjectAccessReview {
  // Standard list metadata.

          // If encoder underflows, it means either:
          // a) the final flush() succeeded; next drain (then done)
          // b) we encoded all of the input; next flush
          // c) we ran of out input to encode; next read more input
          if (doneEncoding) { // (a)
            doneFlushing = true;
            startDraining(false);
            continue DRAINING;
          } else if (endOfInput) { // (b)

          // If encoder underflows, it means either:
          // a) the final flush() succeeded; next drain (then done)
          // b) we encoded all of the input; next flush
          // c) we ran of out input to encode; next read more input
          if (doneEncoding) { // (a)
            doneFlushing = true;
            startDraining(false);
            continue DRAINING;
          } else if (endOfInput) { // (b)

  repeated string items = 1;
}

// LocalSubjectAccessReview checks whether or not a user or group can perform an action in a given namespace.
// Having a namespace scoped resource makes it much easier to grant namespace scoped policy that includes permissions
// checking.
message LocalSubjectAccessReview {
  // Standard list metadata.

	fds := opts.fallbackDisks
	fallback := func(err error) StorageAPI {
		if _, ok := err.(StorageErr); ok {
			// Attempt to grab a fallback disk
			fdMu.Lock()
			defer fdMu.Unlock()
			if len(fds) == 0 {
				return nil
			}
			fdsCopy := fds
			for _, fd := range fdsCopy {
				// Grab a fallback disk
				fds = fds[1:]
				if fd != nil && fd.IsOnline() {
					return fd
				}
			}
		}

# Những bước đầu tiên

Tệp tin FastAPI đơn giản nhất có thể trông như này:

```Python
{!../../docs_src/first_steps/tutorial001.py!}
```

Sao chép sang một tệp tin `main.py`.

Chạy live server:

<div class="termy">

```console
$ uvicorn main:app --reload

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)