how to invoke aws lambda function

Learn how to create AWS LAMBDA functions This execute on a scheduled interval and much like a cron job would. In this lesson we'll create a LAMBDA function that checks for a string of text on a website to verify the website are up and operational. The lambda

conversion of IFoo foo = (IFoo) ()->true;12. Store the method in the "delegate"ITest del = system::getenv; At this time, the abstract method of ITest is realized by System.getenv method.Del.method ("string"); note that here are a few points, 1) is that itest must be a functional interface; 2) the abstract method name in ITest is arbitrary and can have generics, but must match system.getenv (..) The return value and the parameter list for this method; 3) Del and C # delegate variable or somethin

= Add (2, 3); 5 Double y = Add (2.5, 3.5); 6.0 Function Object A function object is a broad concept, because all objects with function behavior can be called function objects. This is a high-level abstraction, and we don't care what the object is, as long as it has functional behavior. The so-called

This article is the fourth in the C++0x series, which is mainly about the new lambda expression, function object and bind mechanism in c++0x. The reason we put these three pieces together is because there is a very close relationship between the three blocks, and the understanding of this part of the content is deepened through comparative study. At the beginning, the first thing to say is a concept, closur

= Lambda x, y:x + y, operation is equivalent to invoking the instance name of a lambda function, assigning a value to a function instance is equivalent to passing a value to the lambda function, the result of the

First, Lambda uses syntax:The keyword lambda represents an anonymous function, a function argument preceded by a colon, and x only one expression after the colon, without writing return , and the return value is the result of the expression.1 >>> list (map (lambda x:x * x, [

function does not have a name and does not have to worry about function name collisions. In addition, the anonymous function is also a function object, you can assign the anonymous function to a variable, and then use the variable to in