Normalization Slides

AngularJs call one method of controller in another controller .

I have seen many question about calling one method of one controller in another controller or extending scope of one controller in another controller.so here are the ways. if you want to call one controller into another or extending scope of controllers there are four methods available $rootScope.$emit() and $rootScope.$broadcast() If Second controller is child ,you can use Parent child communication . Use Services Kind of hack - with the help of angular.element() 1. $rootScope.$emit() and $rootScope.$broadcast() Controller and its scope can get destroyed, but the $rootScope remains across the application, that's why we are taking $rootScope because $rootScope is parent of all scopes . If you are performing communication from parent to child and even child wants to communicate with its siblings, you can use $broadcast If you are performing communication from child to parent ,no siblings invovled then you can use $rootScope.$emit HTML <body ng-app = ...

Closures in javascript and how do they work ?

JavaScript Closures for Dummies Closures Are Not Magic This page explains closures so that a programmer can understand them — using working JavaScript code. It is not for gurus or functional programmers. Closures are not hard to understand once the core concept is grokked. However, they are impossible to understand by reading any academic papers or academically oriented information about them! This article is intended for programmers with some programming experience in a mainstream language, and who can read the following JavaScript function: function sayHello ( name ) { var text = 'Hello ' + name ; var sayAlert = function () { alert ( text ); } sayAlert (); } An Example of a Closure Two one sentence summaries: a closure is the local variables for a function — kept alive after the function has returned, or a closure is a stack-frame which is not deallocated when the function returns (as if a 'stack-fr...

250,000 AI Agent Instances Exposed on the Internet — Is Yours One of Them?

If You're Running OpenClaw, You May Want to Read This A public watchboard has surfaced listing over 250,000 OpenClaw instances that are directly reachable from the internet. Some of these instances have leaked credentials. Many are running on infrastructure already flagged for known CVEs and threat actor activity. This isn't theoretical. It's happening right now. You can check the exposure list yourself at openclaw.allegro.earth . Why This Is a Big Deal OpenClaw is a powerful AI agent framework. That power comes with serious responsibility. A typical OpenClaw deployment runs with: Personal API keys — OpenAI, Anthropic, Google, cloud provider credentials Broad system permissions — file access, shell execution, network requests Autonomous execution capabilities — the agent can act without human approval Complex codebases — large attack surfaces that haven't been fully audited When one of these instances is publicly reachable without authentication...

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