Some AWS services can directly invoke Lambda functions usingtriggers. These services push events to Lambda, and the function is invoked immediately when the specified event occurs. Triggers are suitable for discrete events and real-time processing. When youcreate a trigger using the Lambda console,...
A well planned serverless testing strategy will increase software quality and improve iteration time by verifying your Lambda functions and applications perform as expected in a cloud environment. What to test We recommend adopting a testing strategy that tests managed service behaviors, cloud configur...
Cannot convert lambda expression to type 'System.Threading.Tasks.Task' Cannot convert null to 'int' because it is a value type--need help Cannot convert string[] to string in foreach loop Cannot convert type 'System.Collections.Generic.List<Microsoft.Azure.Cosmos.Table.ITableEntity>' to ...
(1) The *compiler* needs to know where the *headers* are located.(2) The *linker* needs to know where the .lib files are located, and the lib file names.These need to be specified in the Project Properties.For (1), go to:
In the General configuration section, click Edit and increase the Lambda timeout to 5 minutes and click save. In the Environment variables section, specify a new variable. Key: vaultname Value: rdsarchive Click to save. Save the changes. The preceding code fetches the S3 object, downloa...
4. Limit connections per username Another strategy is to set a resource limit on the number of connections a given db user can have. MAX USER_CONNECTIONS can be limited to a number less than the max connections allowed by the RDS instance. This will throw an error in your Lambda function...
"Unable to cast object of type 'System.Configuration.DefaultSection' to type blah blah ((System.IO.Stream)(s)).ReadTimeout. What might be wrong? (407) Proxy Authentication Required. (C# console application) OR (C#windows form application...
In the last post, we look at how you can implement pub-sub with AWS Lambda. We compared several event sources you can use, SNS, Kinesis streams and DynamoDB streams, and the tradeoffs available to you. Let's look at another messaging pattern today, push-
2.7 Use a mature logger to increase error visibility TL;DR: A set of mature logging tools like Winston, Bunyan or Log4J, will speed-up error discovery and understanding. So forget about console.log Otherwise: Skimming through console.logs or manually through messy text file without querying tool...
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