kevinhooke

{
    "Description": "Example ECS TaskDef",
    "Parameters": {
        "Param1": {
            "Description": "Example param 1",
            "Type": "String"
        }
    },
    "Resources": {
        "ECSTaskExampleExecutionRole": {

kevinhooke

{
    "Description" : "Example ECS Cluster",
    "Resources" : {
        "ECSClusterExample1" : {
            "Type" : "AWS::ECS::Cluster",
            "Properties" : {
                "ClusterName" : "ecs-cluster-example1"
            }
        }
    }

kevinhooke

let arrayOfStrings = [ "bbb", "ccc", "aaa"];
arrayOfStrings.sort(); //sorts as strings in alphabetical ascending order by default
//arrayOfStrings = ["aaa", "bbb", "ccc"]

let arrayOfInts = [3, 4, 1];
//function passed to sort() returns > 0 if b comes after a, or if < 0 then a comes before b
arrayOfInts.sort( (a,b) =>  a - b );
//arrayOfInts = [1, 3, 4];

kevinhooke

let arrays = [ [1,2], [2,3], [3,4] ];
let singleArray = [].concat.apply([], arrays);
//singleArray = [1, 2, 2, 3, 3, 4];

kevinhooke

# Lambda ARNs
aws lambda list-functions | jq '.Functions[].FunctionArn'

# multiple properies: outputs on separate lines
aws lambda list-functions | jq -r '.Functions[] | .FunctionArn, .FunctionName'     

# multiple properties as arrays
aws lambda list-functions | jq -r '.Functions[] | [.FunctionArn, .FunctionName]'

# multiple properties as arrays, converted to csv

kevinhooke

# list alll connectors
GET connectorhost:8083/connectors

# status for one connector
GET connectorhost:8083/connectors/connector-name/status

# restart - does not restart failed tasks
POST connectorhost:8083/connectors/connector-name/restart

# restart specific task

kevinhooke

Assuming DynamoDB local instance started with:
docker run -d -p 8000:8000 amazon/dynamodb-local -jar DynamoDBLocal.jar -sharedDb -dbPath .

# --endpoint-url http://localhost:8000 for local Docker DynamoDB instance


# table with hash key
% aws dynamodb create-table --table-name test --key-schema AttributeName=id,KeyType=HASH \
--attribute-definitions AttributeName=id,AttributeType=N \
--endpoint-url http://localhost:8000 \

kevinhooke

#calls a function setting the value for 'this' within the function
functionName.call(someThisValue, otherParams);

- the first param passed is the value for 'this' when this is referenced within that function

See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/call

kevinhooke

java -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=8081 -jar YourApp.jar

kevinhooke

let example = new Promise(
  function(resolve, reject){
     let success =  do some async task;
     if(success){
       resolve();
     }else{
       reject();
     }
  };
);