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## 既定の Swagger UI パラメータの変更 { #change-default-swagger-ui-parameters }

FastAPI には、多くのユースケースに適した既定の設定パラメータが含まれています。

既定では次の設定が含まれます:

{* ../../fastapi/openapi/docs.py ln[9:24] hl[18:24] *}

引数 `swagger_ui_parameters` に別の値を指定することで、これらを上書きできます。

例えば、`deepLinking` を無効化するには、次の設定を `swagger_ui_parameters` に渡します:

{* ../../docs_src/configure_swagger_ui/tutorial003_py310.py hl[3] *}

Did you notice? a string using `value.startswith()` can take a tuple, and it will check each value in the tuple:

{* ../../docs_src/query_params_str_validations/tutorial015_an_py310.py ln[16:19] hl[17] *}

#### A Random Item { #a-random-item }

    //                                                                      General Helper
    //                                                                      ==============
    protected String ln() {
        return DBFluteSystem.ln();
    }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {

    //                                                                      General Helper
    //                                                                      ==============
    protected String ln() {
        return DBFluteSystem.ln();
    }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {

    //                                                                      General Helper
    //                                                                      ==============
    protected String ln() {
        return DBFluteSystem.ln();
    }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {

# Add a python3 symlink for the Python in PATH.
# It's not feasible to add one for each version, as on Windows,
# Python uses PATH and the binary's (symlink's) location, to launch itself.
RUN C:\tools\msys64\usr\bin\bash.exe -lc 'ln -s /c/Python3.13/python.exe /usr/bin/python3';

# Install JDK 21.
RUN \
  Add-Type -AssemblyName \"System.IO.Compression.FileSystem\"; \
  $zulu_pkg = \"zulu21.34.19-ca-jdk21.0.3-win_x64.zip\"; \

In short, if you want the maximum performance, use a [Response Model](../tutorial/response-model.md) and don't declare a `response_class` in the *path operation decorator*.

{* ../../docs_src/response_model/tutorial001_01_py310.py ln[15:17] hl[16] *}

## HTML Response { #html-response }

To return a response with HTML directly from **FastAPI**, use `HTMLResponse`.

* Import `HTMLResponse`.

但如果你对这个具体示例好奇，并且还愿意继续看，这里有一些额外细节。

#### 字符串与 `value.startswith()` { #string-with-value-startswith }

注意到了吗？字符串的 `value.startswith()` 可以接收一个元组，它会检查元组中的每个值：

{* ../../docs_src/query_params_str_validations/tutorial015_an_py310.py ln[16:19] hl[17] *}

#### 一个随机条目 { #a-random-item }

使用 `data.items()` 我们会得到一个包含每个字典项键和值的元组的 <dfn title="可以用 for 循环迭代的对象，例如 list、set 等">可迭代对象</dfn>。

我们用 `list(data.items())` 把这个可迭代对象转换成一个真正的 `list`。

		file     string // Optional filename of expected output
		obscured bool   // Whether file is obscured
		tests    []testFnc
	}{{
		// The writer test file was produced with this command:
		// tar (GNU tar) 1.26
		//   ln -s small.txt link.txt
		//   tar -b 1 --format=ustar -c -f writer.tar small.txt small2.txt link.txt
		file: "testdata/writer.tar",
		tests: []testFnc{
			testHeader{Header{
				Typeflag: TypeReg,
				Name:     "small.txt",