Java scriptforjavadev part1

Dec 14, 2012Download as pptx, pdf

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This document provides an agenda and overview for a workshop on JavaScript essentials for Java developers. It covers setting up a development environment, core JavaScript concepts like objects and functions, working with the DOM, debugging tools, and optimizing JavaScript performance. The first part focuses on fundamental JavaScript skills like variables, operators, functions, closures, and the window and document objects. The second part will cover JSON and JavaScript classes, as well as jQuery, Ajax, and best practices for loading scripts and CSS. Attendees will have a chance to ask questions and take a short quiz to test their understanding.

Technology

JavaScript Essentials
For Java Dev
Mak Bhatamrekar
http://www.meetup.com/myajip/

Agenda
 JS Development Tools
 Part1 - Core Javascript Concepts
 Part2 - JSON and JS Classes
 JQuery & Ajax
 How to Optimize JS

Dev Env
 Project setups using Eclipse IDE
 Sublime Text2 Editor
 Firebug Debugging
 Fast development with JSFiddle
 Fiddler HTTP Proxy

JavaScript
Part1
Essential Skills Java Developer should know

What is JavaScript
 Browser Only understands Html(Content) , CSS(styles), and
Javascript,
 It’s a Scripting language, runs on client, gives the capability
to change HTML/CSS dynamically.
 Initially used only from
 Client Side Validations, Animations,DOM Manipulation
 but now, we can develop Enire UI client with html,css,JS and
connect to backend using AJAX, JSON.
 Jquery and MVC Frameworks like Backbone, Angular,Amber to
name a few are getting more popular.

Javascript Notes
Object Desc
OOPS In JS everything is an Object except
null,undefined,boolean,number and string.
window Top level object which repesents browser window. Has
document, history objs in it
http://www.w3schools.com/jsref/obj_window.asp
document Represent HTML Document
http://www.w3schools.com/jsref/dom_obj_document.asp
http://jsfiddle.net/mbhatamb/uXgEa/
DOM Document Object Model, Internal represetation of the html
document in browser.
http://csszengarden.com/
onLoad() Event http://jsfiddle.net/mbhatamb/Bq9Ke/
<body>, <frame>, <frameset>, <iframe>, <img>, <input
type="image">, <link>, <script>, <style>

$Javascript Notes Contd. Object Desc When to Load Define the script at the end of body, while CSS in head <html> <link rel="stylesheet" type="text/css" href="/css/normalize.css"/> <body> <html tags>.. <script > //your javascript</script> </body> </html> Esp. 3rd Party Scripts Operators 5==‘5’ for compare and 5===‘5’ (false) for strict compare http://www.w3schools.com/js/js_comparisons.asp Functions Vs Function Expressions function myfunc(){ //body}; or var abc = function(){}. (second is called as functionexpression, and cannot be invoked until loadded. E.g http://jsfiddle.net/mbhatamb/cX5CP/$

Functions
 Functions are first class objects in javascript.
 Functions can have properties
 You can store a function in a Variable
 You can pass a function as a param to another function
 You can have annonymous functions and function
expressions

Javascript Notes Contd.
Object Desc
closures Closure is the local variables for a function - kept alive after
the function has returned,
e.G http://jsfiddle.net/mbhatamb/pzXtd/
** Can be a good Challenge
Call() and apply()
methods
Special way to invoke methods in others Objects
pretending to be methods of our own object
http://jsfiddle.net/mbhatamb/ptjea/
** Can be a good Challenge
typeof var myvar=5 alert(typeof myvar) //alerts "number”.
Also used, if a javascript is not loaded e.g
http://jsfiddle.net/mbhatamb/VXMUP/

Quiz
 Why do I need client side validation when Server side is there and vice versa.
 What is DOM
 Main methods to traverse DOM?
 What is Window.onload() and Documend.onload()
 When should I access my Document Object
 When to load JavaScript and CSS
 What are Global Variables
 How to access Arguments of a function
 What is arguments.callee()
 What is Closures and Why?

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Russia is one of the most aggressive nations when it comes to state coordinated cyberattacks — and Ukraine has been at the center of their crosshairs for 3 years. This report, provided the State Service of Special Communications and Information Protection of Ukraine contains an incredible amount of cybersecurity insights, showcasing the coordinated aggressive cyberwarfare campaigns of Russia against Ukraine. It brings to the forefront that understanding your adversary, especially an aggressive nation state, is important for cyber defense. Knowing their motivations, capabilities, and tactics becomes an advantage when allocating resources for maximum impact. Intelligence shows Russia is on a cyber rampage, leveraging FSB, SVR, and GRU resources to professionally target Ukraine’s critical infrastructures, military, and international diplomacy support efforts. The number of total incidents against Ukraine, originating from Russia, has steadily increased from 1350 in 2021 to 4315 in 2024, but the number of actual critical incidents has been managed down from a high of 1048 in 2022 to a mere 59 in 2024 — showcasing how the rapid detection and response to cyberattacks has been impacted by Ukraine’s improved cyber resilience. Even against a much larger adversary, Ukraine is showcasing outstanding cybersecurity, enabled by strong strategies and sound tactics. There are lessons to learn for any enterprise that could potentially be targeted by aggressive nation states. Definitely worth the read!

Tech-ASan: Two-stage check for Address Sanitizer - Yixuan Cao.pdfcaoyixuan2019

UserCon Belgium: Honey, VMware increased my billstijn40

VMware’s pricing changes have forced organizations to rethink their datacenter cost management strategies. While FinOps is commonly associated with cloud environments, the FinOps Foundation has recently expanded its framework to include Scopes—and Datacenter is now officially part of the equation. In this session, we’ll map the FinOps Framework to a VMware-based datacenter, focusing on cost visibility, optimization, and automation. You’ll learn how to track costs more effectively, rightsize workloads, optimize licensing, and drive efficiency—all without migrating to the cloud. We’ll also explore how to align IT teams, finance, and leadership around cost-aware decision-making for on-prem environments. If your VMware bill keeps increasing and you need a new approach to cost management, this session is for you!

MuleSoft for AgentForce : Topic Center and API Catalogshyamraj55

This presentation dives into how MuleSoft empowers AgentForce with organized API discovery and streamlined integration using Topic Center and the API Catalog. Learn how these tools help structure APIs around business needs, improve reusability, and simplify collaboration across teams. Ideal for developers, architects, and business stakeholders looking to build a connected and scalable API ecosystem within AgentForce.

Information Security Response Team Nepal_npCERT_Vice_President_Sudan_Jha.pdfICT Frame Magazine Pvt. Ltd.

You are not excused! How to avoid security blind spots on the way to productionMichele Leroux Bustamante

We live in an ever evolving landscape for cyber threats creating security risk for your production systems. Mitigating these risks requires participation throughout all stages from development through production delivery - and by every role including architects, developers QA and DevOps engineers, product owners and leadership. No one is excused! This session will cover examples of common mistakes or missed opportunities that can lead to vulnerabilities in production - and ways to do better throughout the development lifecycle.

Lessons Learned from Developing Secure AI Workflows.pdfPriyanka Aash

2025_06_18 - OpenMetadata Community Meeting.pdfOpenMetadata

The community meetup was held Wednesday June 18, 2025 @ 9:00 AM PST. Catch the next OpenMetadata Community Meetup @ https://www.meetup.com/openmetadata-meetup-group/ In this month's OpenMetadata Community Meetup, "Enforcing Quality & SLAs with OpenMetadata Data Contracts," we covered data contracts, why they matter, and how to implement them in OpenMetadata to increase the quality of your data assets! Agenda Highlights: 👋 Introducing Data Contracts: An agreement between data producers and consumers 📝 Data Contracts key components: Understanding a contract and its purpose 🧑‍🎨 Writing your first contract: How to create your own contracts in OpenMetadata 🦾 An OpenMetadata MCP Server update! ➕ And More!

Raman Bhaumik - Passionate Tech EnthusiastRaman Bhaumik

AI VIDEO MAGAZINE - June 2025 - r/aivideo1pcity Studios, Inc

Cyber Defense Matrix Workshop - RSA ConferencePriyanka Aash

Cluster-Based Multi-Objective Metamorphic Test Case Pair Selection for Deep N...janeliewang985

CapCut Pro Crack For PC Latest Version {Fully Unlocked} 2025pcprocore

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"How to survive Black Friday: preparing e-commerce for a peak season", Yurii ...Fwdays

FIDO Seminar: Evolving Landscape of Post-Quantum Cryptography.pptxFIDO Alliance

OpenACC and Open Hackathons Monthly Highlights June 2025OpenACC

The OpenACC organization focuses on enhancing parallel computing skills and advancing interoperability in scientific applications through hackathons and training. The upcoming 2025 Open Accelerated Computing Summit (OACS) aims to explore the convergence of AI and HPC in scientific computing and foster knowledge sharing. This year's OACS welcomes talk submissions from a variety of topics, from Using Standard Language Parallelism to Computer Vision Applications. The document also highlights several open hackathons, a call to apply for NVIDIA Academic Grant Program and resources for optimizing scientific applications using OpenACC directives.

“Key Requirements to Successfully Implement Generative AI in Edge Devices—Opt...Edge AI and Vision Alliance

For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2025/06/key-requirements-to-successfully-implement-generative-ai-in-edge-devices-optimized-mapping-to-the-enhanced-npx6-neural-processing-unit-ip-a-presentation-from-synopsys/ Gordon Cooper, Principal Product Manager at Synopsys, presents the “Key Requirements to Successfully Implement Generative AI in Edge Devices—Optimized Mapping to the Enhanced NPX6 Neural Processing Unit IP” tutorial at the May 2025 Embedded Vision Summit. In this talk, Cooper discusses emerging trends in generative AI for edge devices and the key role of transformer-based neural networks. He reviews the distinct attributes of transformers, their advantages over conventional convolutional neural networks and how they enable generative AI. Cooper then covers key requirements that must be met for neural processing units (NPU) to support transformers and generative AI in edge device applications. He uses transformer-based generative AI examples to illustrate the efficient mapping of these workloads onto the enhanced Synopsys ARC NPX NPU IP family.

GenAI Opportunities and Challenges - Where 370 Enterprises Are Focusing Now.pdfPriyanka Aash

PyCon SG 25 - Firecracker Made Easy with Python.pdfMuhammad Yuga Nugraha

Explore the ease of managing Firecracker microVM with the firecracker-python. In this session, I will introduce the basics of Firecracker microVM and demonstrate how this custom SDK facilitates microVM operations easily. We will delve into the design and development process behind the SDK, providing a behind-the-scenes look at its creation and features. While traditional Firecracker SDKs were primarily available in Go, this module brings a simplicity of Python to the table.