## Previous tools { #previous-tools }

### <a href="https://www.djangoproject.com/" class="external-link" target="_blank">Django</a> { #django }

It's the most popular Python framework and is widely trusted. It is used to build systems like Instagram.

			Name: "TestMergeNestedPreloadWithNestedJoin-1",
			Manager: &User{
				Name: "Alexis Manager",
				Tools: []Tools{
					{Name: "Alexis Tool 1"},
					{Name: "Alexis Tool 2"},
				},
			},
		},
		{
			Name: "TestMergeNestedPreloadWithNestedJoin-2",
			Manager: &User{
				Name: "Jinzhu Manager",
				Tools: []Tools{
					{Name: "Jinzhu Tool 1"},
					{Name: "Jinzhu Tool 2"},
				},
			},
		},
	}

	}

	return f
}

type bufPool struct {
	sz   int
	pool bpool.Pool[*[]byte]
}

func (b *bufPool) Put(buf []byte) {
	if cap(buf) < b.sz || cap(buf) > b.sz*2 {
		// Buffer too small or will likely leak memory after being expanded.
		// Drop it.
		return
	}
	b.pool.Put(&buf)
}

func (b *bufPool) Get() []byte {
	bufp := b.pool.Get()
	if bufp == nil || cap(*bufp) < b.sz {
		return make([]byte, 0, b.sz)

		// someone tried to put back buffer which is not part of this buffer pool
		// we simply don't put this back into pool, a modified buffer provided
		// by this package is no more usable, callers make sure to not modify
		// the capacity of the buffer.
		return
	}

	select {
	case bp.c <- b[:bp.w]:
		// buffer went back into pool
	default:
		// buffer didn't go back into pool, just discard
	}
}

 * of which connections to keep open for future use.
 *
 * @constructor Create a new connection pool with tuning parameters appropriate for a single-user
 * application. The tuning parameters in this pool are subject to change in future OkHttp releases.
 * Currently this pool holds up to 5 idle connections which will be evicted after 5 minutes of
 * inactivity.
 */
class ConnectionPool internal constructor(

## Benchmarks and speed { #benchmarks-and-speed }

When you check the benchmarks, it is common to see several tools of different types compared as equivalent.

Specifically, to see Uvicorn, Starlette and FastAPI compared together (among many other tools).

 * <ul>
 *   <li>Password encryption and decryption</li>
 *   <li>Master password management</li>
 *   <li>Security settings configuration</li>
 * </ul>
 *
 * @see org.apache.maven.api.cli.Tools#MVNENC_CMD
 * @see org.apache.maven.api.cli.Tools#MVNENC_NAME
 * @since 4.0.0
 */

 *   <li>Dependency version management</li>
 *   <li>Configuration migration</li>
 *   <li>Interactive upgrade workflows</li>
 * </ul>
 *
 * @see org.apache.maven.api.cli.Tools#MVNUP_CMD
 * @see org.apache.maven.api.cli.Tools#MVNUP_NAME
 * @since 4.0.0
 */

## Connection Pool

A primary responsibility for any HTTP client is to efficiently manage network connections. Creating and establishing new connections require a fair amount of overhead and added latency. OkHttp will make every effort to reuse existing connections to avoid this overhead and added latency.

            latests.toSet().plus(nightlyVersion),
            "https://dl.google.com/dl/android/maven2/com/android/tools/build/aapt2/maven-metadata.xml"
        )
        val buildToolsVersion = fetchBuildToolsVersion(
            "https://developer.android.com/tools/releases/build-tools"
        )
        return FetchedVersions(latests, nightlyBuildId, nightlyVersion, aapt2Versions, buildToolsVersion)
    }

    private