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          do not modify the License. You may add Your own attribution

   *
   * <p>The corresponding root-mean-square error in {@code x} as a function of {@code y} is a
   * fraction {@code sqrt(1/(R*R) - 1)} of the population standard deviation of {@code x}. This fit
   * does not normally minimize that error: to do that, you should swap the roles of {@code x} and
   * {@code y}.
   *
   * <h3>Non-finite values</h3>
   *

{* ../../docs_src/generate_clients/tutorial002_py39.py hl[21,26,34] *}

### Generate a TypeScript Client with Tags { #generate-a-typescript-client-with-tags }

If you generate a client for a FastAPI app using tags, it will normally also separate the client code based on the tags.

This way, you will be able to have things ordered and grouped correctly for the client code:

<img src="/img/tutorial/generate-clients/image06.png">

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        dst[dstIndex] = (byte) (this.byteCount & 0xFF);
        dstIndex++;
        dst[dstIndex++] = (byte) (this.byteCount >> 8 & 0xFF);
        dstIndex += this.byteCount;

        /*
         * Normally, without intervention everything would batch
         * with everything else. If the below clause evaluates true
         * the andx command will not be written and therefore the

### Creating the `Settings` only once with `lru_cache` { #creating-the-settings-only-once-with-lru-cache }

Reading a file from disk is normally a costly (slow) operation, so you probably want to do it only once and then reuse the same settings object, instead of reading it for each request.

But every time we do:

```Python
Settings()
```

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          documentation, if provided along with the Derivative Works; or,
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          do not modify the License. You may add Your own attribution

          documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution