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// You need to add headers to your ITracer if you are going to call other APIs

var dictionary = new Dictionary<string, string>();
_tracer.Inject(scope.Span.Context, BuiltinFormats.HttpHeaders, new TextMapInjectAdapter(dictionary));

foreach (var entry in dictionary)
{
  _httpClient.DefaultRequestHeaders.Add(entry.Key, entry.Value);
}

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    class Program
    {
        public static void Main(string[] args) => MainAsync().GetAwaiter().GetResult();
        
        private static async Task MainAsync()
        {
            // discover endpoints from metadata
            var disco = await DiscoveryClient.GetAsync("http://localhost:5000"); //IdentityServer Address
            if (disco.IsError)

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public class Config
{
    // scopes define the API resources in your system
    public static IEnumerable<ApiResource> GetApiResources()
    {
        return new List<ApiResource>
        {
            new ApiResource("TheApi", "The Example API")
        };
    }

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• After Add-Migration:
  • Demo/Test/QA => Update-Databsase (If db doesn't exist, it will be created automatically)
• Production => Script-Migration

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In root directory of the test project:

Create xunit.runner.json and write below:

{
  "parallelizeAssembly": false,
  "parallelizeTestCollections": false
}

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try {
  while (running) {
  ConsumerRecords<String, String> records = consumer.poll(1000);

  try {
    for (ConsumerRecord<String, String> record : records)
      // Your work here.
    } catch (CommitFailedException e) {
      // application specific failure handling
    }

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@Override
public void put(Collection<SinkRecord> collection) {
        try {
            Collection<String> recordsAsString = collection.stream().map(r -> String.valueOf(r.value())).collect(Collectors.toList());
            elasticService.process(recordsAsString);
        }
        catch (Exception e) {
            log.error("Error while processing records");
            log.error(e.toString());
        }

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Query Context: How well does this document match this query?

Filter Context: Does this document match this query clause?

For Query Context

• Included or not: Determine whether the document should be part of the result
• Relevance score: Calculated for every search term the document maps to
• High score, more relevant: More relevant documents, higher in the search rankings.

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ps aux | grep sshd find all ssh connections to the machine that this command applied

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// Slack

    private void sendSlackNotification(String id, String message) {
        MediaType JSON
                = MediaType.parse("application/json; charset=utf-8");

        RequestBody body = RequestBody.create(JSON,
                String.format("{ \"text\": \"Cannot send the product with id <%s>,\n Error: %s\"}", id, message.replaceAll("\"", "'")));

        Request request = new Request.Builder()