ejemplo de código de escaneo de boto3 dynamodb

Ejemplo 1: dynamodb obtiene todos los elementos boto3

import boto3
dynamodb = boto3.resource('dynamodb', region_name=region)

table = dynamodb.Table('my-table')

response = table.scan(FilterExpression=Attr('country').eq('US') & Attr('city').eq('NYC'))
data = response['Items']

while 'LastEvaluatedKey' in response:
    response = table.scan(ExclusiveStartKey=response['LastEvaluatedKey'])
    data.extend(response['Items'])
/**
 * Reset the text fill color so that placeholder is visible
 */
.npm__react-simple-code-editor__textarea:empty {
  -webkit-text-fill-color: inherit !important;
}

/**
 * Hack to apply on some CSS on IE10 and IE11
 */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
  /**
    * IE doesn't support '-webkit-text-fill-color'
    * So we use 'color: transparent' to make the text transparent on IE
    * Unlike other browsers, it doesn't affect caret color in IE
    */
  .npm__react-simple-code-editor__textarea {
    color: transparent !important;
  }

  .npm__react-simple-code-editor__textarea::selection {
    background-color: #accef7 !important;
    color: transparent !important;
  }
}

Ejemplo 2: enlace dynamodb s3

// Create a DynamoDBContext
var context = new DynamoDBContext();

// Create a book with an S3Link
Book myBook = new Book
{
	Id = 501,
	CoverImage = S3Link.Create(context, "myBucketName", "covers/AWSSDK.jpg", Amazon.RegionEndpoint.USWest2),
	Title = "AWS SDK for .NET Object Persistence Model Handling Arbitrary Data",
	ISBN = 999,
	BookAuthors = new List { "Jim", "Steve", "Pavel", "Norm", "Milind" }
};

// Save book to DynamoDB
context.Save(myBook);

// Use S3Link to upload the content to S3
myBook.CoverImage.UploadFrom("path/to/covers/AWSSDK.jpg");

// Get a pre-signed URL for the image
string coverURL = myBook.CoverImage.GetPreSignedURL(DateTime.Now.AddHours(5));

// Load book from DynamoDB
myBook = context.Load(501);

// Download file linked from S3Link
myBook.CoverImage.DownloadTo("path/to/save/cover/otherbook.jpg");

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Utiliza Nuestro Buscador