## Install `WebSockets`

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and install `websockets`:

<div class="termy">

```console
$ pip install websockets

---> 100%
```

</div>

## WebSockets client

### In production

In your production system, you probably have a frontend created with a modern framework like React, Vue.js or Angular.

            return null;
        });
        charMappingService.store(body.dictId, entity);
        return asJson(
                new ApiResult.ApiUpdateResponse().id(String.valueOf(entity.getId())).created(true).status(ApiResult.Status.OK).result());
    }

    // POST /api/admin/dict/mapping/setting/{dictId}
    @Execute
    public JsonResponse<ApiResult> post$setting(final String dictId, final EditBody body) {

            return null;
        });
        stemmerOverrideService.store(body.dictId, entity);
        return asJson(
                new ApiResult.ApiUpdateResponse().id(String.valueOf(entity.getId())).created(true).status(ApiResult.Status.OK).result());
    }

    // POST /api/admin/dict/stemmerOverride/setting/{dictId}
    @Execute
    public JsonResponse<ApiResult> post$setting(final String dictId, final EditBody body) {

/**
 * Represents an NTLMSSP Type-1 message.
 */
public class Type1Message extends NtlmMessage {

    private String suppliedDomain;
    private String suppliedWorkstation;


    /**
     * Creates a Type-1 message using default values from the current
     * environment.
     * 
     * @param tc
     *            context to use
     */
    public Type1Message ( CIFSContext tc ) {

  }

  /*
   * Tests that we workaround GWT bug #3621 (or that it is already fixed).
   *
   * A call to of() with a parameter that is not a plain Object[] (here,
   * Interface[]) creates a RegularImmutableSortedSet backed by an array of that
   * type. Later, RegularImmutableSortedSet.toArray() calls System.arraycopy()
   * to copy from that array to the destination array. This would be fine, but

uptions/ ## podDisruptionBudget: enabled: false maxUnavailable: 1 ## Specify the service account to use for the Minio pods. If 'create' is set to 'false' ## and 'name' is left unspecified, the account 'default' will be used. serviceAccount: create: true ## The name of the service account to use. If 'create' is 'true', a service account with that name ## will be created. name: "minio-sa" metrics: serviceMonitor: enabled: false additionalLabels: {} public: true # namespace: monitoring # interval: 30s...

uptions/ ## podDisruptionBudget: enabled: false maxUnavailable: 1 ## Specify the service account to use for the Minio pods. If 'create' is set to 'false' ## and 'name' is left unspecified, the account 'default' will be used. serviceAccount: create: true ## The name of the service account to use. If 'create' is 'true', a service account with that name ## will be created. name: "minio-sa" metrics: serviceMonitor: enabled: false additionalLabels: {} public: true # namespace: monitoring # interval: 30s...

uptions/ ## podDisruptionBudget: enabled: false maxUnavailable: 1 ## Specify the service account to use for the Minio pods. If 'create' is set to 'false' ## and 'name' is left unspecified, the account 'default' will be used. serviceAccount: create: true ## The name of the service account to use. If 'create' is 'true', a service account with that name ## will be created. name: "minio-sa" metrics: serviceMonitor: enabled: false additionalLabels: {} public: true # namespace: monitoring # interval: 30s...

//    only worker 1.
// 2. Create a context B using A.
// 3. Create the variable in B.
// 4. Create another single host server def C with only worker 0.
// 5. Start the GRPC server for worker 0 using C.
// 6. Create a context D using the full cluster server def E.
// 7. Read the variable in D.
TEST(CAPI, SingleHostServerDefV1Works) {
  // Create a server def that represents a 2-process cluster and a client.

import org.apache.maven.project.MavenProject;

/**
 * Summarizes the result of a failed project build in the reactor.
 *
 */
public class BuildFailure extends BuildSummary {

    /**
     * The cause of the build failure.
     */
    private final Throwable cause;

    /**
     * Creates a new build summary for the specified project.
     *