NodeJS introduction and examples of event loops
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Node.js is a JavaScript runtime environment built on Google Chrome's V8 engine. It allows JavaScript to be run server-side in a fast and scalable way. Node.js achieves high concurrency without threads or processes by using an event-driven, non-blocking I/O model that utilizes a single thread to handle multiple concurrent connections through event callbacks. This allows it to handle a large number of simultaneous requests.
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Node js
Node.js is a JavaScript runtime built on Chrome's V8 engine that runs JavaScript on the server side. It is fast and designed for high concurrency without threads or processes. Node uses an event loop with callbacks for asynchronous and non-blocking I/O, allowing it to handle many requests concurrently without wasting resources. This makes Node well-suited for building fast servers that can handle a high volume of requests.
NodeJS
Node.js is a JavaScript runtime environment built on Google Chrome's V8 engine that allows JavaScript to run on the server side. It is designed for high concurrency without threads or processes by using an event loop model. Node.js handles input/output operations asynchronously using non-blocking techniques to improve performance. This allows Node.js to remain responsive under heavy load with few resources.
Node js
Node.js is a JavaScript runtime environment that uses Google Chrome's V8 engine. It allows for high concurrency without threads or processes by using an event loop and callbacks for non-blocking I/O. While it can be used for server-side JavaScript applications, its lack of access to the DOM from the server-side presents some drawbacks compared to traditional client-side JavaScript. Overall, Node.js enables highly scalable applications but its non-blocking nature requires some adjustment for developers accustomed to blocking I/O models.
NodeJS ecosystem
Node.js is well-suited for applications that require lightweight concurrency and asynchronous I/O. It uses an event-driven, non-blocking model that makes it efficient for real-time applications with high concurrency needs, such as chat, live data feeds, and web site monitoring dashboards. While Node.js performs well for lightweight operations, heavier CPU-intensive tasks may be better suited for Java/J2EE due to its multi-threading capabilities. The Node.js ecosystem is growing rapidly but still less mature than Java/J2EE's established ecosystem.
Tech io nodejs_20130531_v0.6
This document provides an overview and introduction to Node.js server-side JavaScript. It includes an agenda, background on Node.js and how it uses non-blocking I/O and event loops. Sample code is shown to demonstrate basic Node.js functionality like creating HTTP servers in just a few lines of code. Key concepts like modules and applicability are discussed. Real-world uses of Node.js in companies like LinkedIn and eBay are also mentioned.
Node
Node.js is an open-source JavaScript runtime environment for developing server-side web applications. It allows JavaScript to be used on the server-side for networking and server-side scripting. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, suitable for data-intensive real-time applications that run across distributed devices. Some key features include using JavaScript for server-side development, being event-driven and non-blocking to handle multiple concurrent connections without blocking the event loop, and using Google's V8 JavaScript engine for speed and performance.
Introduction to Node JS.pdf
This document provides an introduction to Node.js, including what it is, its advantages, and how its process model works. Node.js is an open-source JavaScript runtime environment that uses asynchronous programming and non-blocking I/O. It allows building highly scalable server-side applications using JavaScript. Unlike traditional web servers which use threads, Node.js runs in a single process with a single thread and handles I/O asynchronously so it can handle multiple requests concurrently without blocking. This increases performance and scalability compared to traditional threaded servers.
Introduction to node.js GDD
Slides from my workshop about node.js which I conducted in Girl Geek Dinner Bangalore. More details at http://sudarmuthu.com/blog/introduction-to-node-js-at-yahoo-girl-geek-dinner
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Node js
Node.js is a JavaScript runtime built on Chrome's V8 engine that runs JavaScript on the server side. It is fast and designed for high concurrency without threads or processes. Node uses an event loop with callbacks for asynchronous and non-blocking I/O, allowing it to handle many requests concurrently without wasting resources. This makes Node well-suited for building fast servers that can handle a high volume of requests.
NodeJS
Node.js is a JavaScript runtime environment built on Google Chrome's V8 engine that allows JavaScript to run on the server side. It is designed for high concurrency without threads or processes by using an event loop model. Node.js handles input/output operations asynchronously using non-blocking techniques to improve performance. This allows Node.js to remain responsive under heavy load with few resources.
Node js
Node.js is a JavaScript runtime environment that uses Google Chrome's V8 engine. It allows for high concurrency without threads or processes by using an event loop and callbacks for non-blocking I/O. While it can be used for server-side JavaScript applications, its lack of access to the DOM from the server-side presents some drawbacks compared to traditional client-side JavaScript. Overall, Node.js enables highly scalable applications but its non-blocking nature requires some adjustment for developers accustomed to blocking I/O models.
NodeJS ecosystem
Node.js is well-suited for applications that require lightweight concurrency and asynchronous I/O. It uses an event-driven, non-blocking model that makes it efficient for real-time applications with high concurrency needs, such as chat, live data feeds, and web site monitoring dashboards. While Node.js performs well for lightweight operations, heavier CPU-intensive tasks may be better suited for Java/J2EE due to its multi-threading capabilities. The Node.js ecosystem is growing rapidly but still less mature than Java/J2EE's established ecosystem.
Tech io nodejs_20130531_v0.6
This document provides an overview and introduction to Node.js server-side JavaScript. It includes an agenda, background on Node.js and how it uses non-blocking I/O and event loops. Sample code is shown to demonstrate basic Node.js functionality like creating HTTP servers in just a few lines of code. Key concepts like modules and applicability are discussed. Real-world uses of Node.js in companies like LinkedIn and eBay are also mentioned.
Node
Node.js is an open-source JavaScript runtime environment for developing server-side web applications. It allows JavaScript to be used on the server-side for networking and server-side scripting. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, suitable for data-intensive real-time applications that run across distributed devices. Some key features include using JavaScript for server-side development, being event-driven and non-blocking to handle multiple concurrent connections without blocking the event loop, and using Google's V8 JavaScript engine for speed and performance.
Introduction to Node JS.pdf
This document provides an introduction to Node.js, including what it is, its advantages, and how its process model works. Node.js is an open-source JavaScript runtime environment that uses asynchronous programming and non-blocking I/O. It allows building highly scalable server-side applications using JavaScript. Unlike traditional web servers which use threads, Node.js runs in a single process with a single thread and handles I/O asynchronously so it can handle multiple requests concurrently without blocking. This increases performance and scalability compared to traditional threaded servers.
Introduction to node.js GDD
Slides from my workshop about node.js which I conducted in Girl Geek Dinner Bangalore. More details at http://sudarmuthu.com/blog/introduction-to-node-js-at-yahoo-girl-geek-dinner
Node.js
Node.js is a JavaScript runtime built on Chrome's V8 engine that allows JavaScript to be run on the server-side. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, especially for real-time applications with heavy network use. While it shares a language with client-side JavaScript, Node.js is meant for server-side applications and not in the browser.
Beginners Node.js
Node.js is a server-side JavaScript environment that allows building scalable network applications. It uses Google Chrome's V8 JavaScript engine and runs on a single thread without blocking I/O operations. Node.js is optimized for non-blocking event-driven operations and has a large ecosystem of reusable modules. Some common uses of Node.js include real-time web applications, REST APIs, streaming data applications, and networking servers.
Nodejs
This document provides an overview of server-side JavaScript using Node.js in 3 sentences or less:
Node.js allows for the development of server-side applications using JavaScript and non-blocking I/O. It introduces some theory around event loops and asynchronous programming in JavaScript. The document includes examples of building HTTP and TCP servers in Node.js and connecting to MongoDB, as well as when Node.js may and may not be suitable.
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My Node.js workshop from Sela's Developer Conference 2015.
In the Workshop we covered The basics Node.js api's and the express web application framework.
Introduction to NodeJS
Node.js is a JavaScript runtime built on Chrome's V8 engine that uses an asynchronous event-driven model making it lightweight and efficient for building scalable network applications. It is non-blocking which allows handling many requests concurrently without creating new threads. This allows Node.js applications to scale vertically and horizontally to handle increasing load. Common uses of Node.js include building highly scalable data/query intensive applications due to its non-blocking I/O model. It is not suited for applications that require blocking operations like long computations.
Building Applications With the MEAN Stack
This document provides an overview of the MEAN stack and its components. It discusses Node.js and its asynchronous and non-blocking architecture. It introduces MongoDB for data storage. It also covers Express, a web application framework for Node.js, and Angular 2, a front-end framework. Code examples and demos are provided for Node.js, Express, MongoDB integration, and building an Angular 2 application. The document is intended to educate developers on the MEAN stack technologies.
Nodejs
Node.js achieves concurrency through an event loop model and non-blocking asynchronous I/O. It provides a simplistic API to build highly scalable and event-driven servers. The event loop model allows Node.js to handle a large number of concurrent connections without creating an OS thread per connection. Code is written asynchronously using callbacks to avoid blocking the event loop. Node.js is well suited for real-time applications and socket-based apps that require high concurrency.
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It highlights Zotonic's architecture, performance charts and provides a glimpse into the future of this web development framework.
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Jdon Framework is a lightweight framework that helps build clean and fluent architecture systems using domain-driven design principles. It introduces reactive and event-driven patterns into the domain layer. Jdon uses an asynchronous and non-blocking approach to allow for higher throughput applications compared to traditional request-response frameworks like Spring. Key aspects of Jdon include domain events that enable loose coupling between components, and a single-writer model that guarantees single operations on in-memory state.
Introduction to Node.JS
Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
Node.js is an open source command line tool built for the server side JavaScript code.
"You Don't Know NODE.JS" by Hengki Mardongan Sihombing (Urbanhire)
Hengki Sihombing is the Co-Founder and CTO Urbanhire, a technology company who provides Software as a Service (SaaS) for Hiring and Recruitment and also Job search agregator for jobseeker.
Before founding Urbanhire, Hengki had over 10 years of professional experience in software development in companies like: OLX, Wego, Merah Putih Inc, GushCloud. Hengki also actively participates in various Technology communities. He founded and leads the JakartaJS Community with more than 1900 Members.
***
This slide was shared at Tech in Asia Product Development Conference 2017 (PDC'17) on 9-10 August 2017.
Get more insightful updates from TIA by subscribing techin.asia/updateselalu
Node js internal
Node.js is a JavaScript runtime built on Chrome's V8 engine. It is asynchronous and event-driven, which allows it to handle many connections with few threads. The document discusses Node.js architecture, including the event loop and worker pool. It emphasizes that blocking the event loop or worker pool can degrade performance. Tasks should be partitioned and offloaded to avoid blocking and minimize variation in task times.
GlobalsDB: Its significance for Node.js Developers
The document discusses the Globals database and its potential significance for Node.js developers. Globals provides a high-performance global storage engine that can be accessed synchronously from Node.js via JavaScript APIs. This allows for synchronous database coding in Node.js applications, improving performance compared to asynchronous approaches. The author has used Globals to build database-backed modules and services that demonstrate its capabilities as a universal NoSQL database engine for Node.js.
Proposal
Node.js is a server-side JavaScript platform that allows building scalable network applications quickly. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js runs on a single thread event loop, handles concurrent connections without blocking and takes advantage of asynchronous programming. It is commonly used for real-time applications that require two-way communication between client and server like chat, streaming etc.
Scalable server component using NodeJS & ExpressJS
This document discusses using Node to build scalable server components. It introduces Node and Express JS, explaining that Node allows running JavaScript on the server and is lightweight and fast. It describes Node's single-threaded architecture but how it handles concurrency using an event loop. It discusses scaling Node through clustering, load balancing, and offloading tasks. The document provides an example Express app and recommends Node may not be best for CPU-intensive tasks or if relying heavily on relational databases. Source code is available on GitHub for further reference.
node.js 실무 - node js in practice by Jesang Yoon
Sharing 4 years of experience about node.js - A google chrome V8 engine javascript based web server technology. This slide covers about wide range of knowledge about node.js learned from 4 years of production, experiment, test & failures
4년 동안 node.js 서버 프로그래밍을 경험한 내용을 간략하게 정리해 보았습니다. node.js 를 접하시는 분들에게 도움이 되었으면 합니다.
Introduction to Node.js
Basics of Node.js and where it is being used currently. Some introductory examples are also included in the presentation to get started.
Node.js introduction
Node.JS Deep Dive training deck by Prasoon Kumar. The presentation introduces Node.JS as a server-side JavaScript framework built on Google's V8 engine that uses a non-blocking and event-driven architecture. It discusses companies using Node.JS like Google, Microsoft, Yahoo and Facebook and how Node.JS handles requests in an event loop as opposed to blocking threads. The presentation also covers installing Node.JS, the Node package ecosystem with NPM, and an API tour of core Node.JS modules for processes, file systems, networking and more.
Life In The FastLane: Full Speed XPages
Using XPages out of the box lets you build good looking and well performing applications. However, as XPage applications become bigger and more complex, performance can become an issue and, if it comes to scalability and speed optimization, there are a couple of things to take into consideration.
Learn how to use partial refresh and partial execution mode and how to monitor its execution using a JSF LifeCycle monitor to avoid multiple re-calculation of controls. We will show tools that can allow you to profile your code, readily available from OpenNTF, along with a demonstration of how to use them to improve the speed of your code.
Still writing SSJS and encounter a significant slow down when using Script Libraries? See, how you can improve the speed of your application using JAVA instead of JS, JSON and even @formulas.
NodeJS guide for beginners
Node.js is an open-source JavaScript runtime environment that allows building scalable server-side and networking applications. It uses asynchronous, event-driven, non-blocking I/O which makes it lightweight and efficient for data-intensive real-time applications that run across distributed devices. Some key features of Node.js include excellent support for building RESTful web services, real-time web applications, IoT applications and scaling to many users. It uses Google's V8 JavaScript engine to execute code outside of a browser.
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Semelhante a NodeJS introduction and examples of event loops
Node.js
Node.js is a JavaScript runtime built on Chrome's V8 engine that allows JavaScript to be run on the server-side. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, especially for real-time applications with heavy network use. While it shares a language with client-side JavaScript, Node.js is meant for server-side applications and not in the browser.
Beginners Node.js
Node.js is a server-side JavaScript environment that allows building scalable network applications. It uses Google Chrome's V8 JavaScript engine and runs on a single thread without blocking I/O operations. Node.js is optimized for non-blocking event-driven operations and has a large ecosystem of reusable modules. Some common uses of Node.js include real-time web applications, REST APIs, streaming data applications, and networking servers.
Nodejs
This document provides an overview of server-side JavaScript using Node.js in 3 sentences or less:
Node.js allows for the development of server-side applications using JavaScript and non-blocking I/O. It introduces some theory around event loops and asynchronous programming in JavaScript. The document includes examples of building HTTP and TCP servers in Node.js and connecting to MongoDB, as well as when Node.js may and may not be suitable.
Node.js Workshop - Sela SDP 2015
My Node.js workshop from Sela's Developer Conference 2015.
In the Workshop we covered The basics Node.js api's and the express web application framework.
Introduction to NodeJS
Node.js is a JavaScript runtime built on Chrome's V8 engine that uses an asynchronous event-driven model making it lightweight and efficient for building scalable network applications. It is non-blocking which allows handling many requests concurrently without creating new threads. This allows Node.js applications to scale vertically and horizontally to handle increasing load. Common uses of Node.js include building highly scalable data/query intensive applications due to its non-blocking I/O model. It is not suited for applications that require blocking operations like long computations.
Building Applications With the MEAN Stack
This document provides an overview of the MEAN stack and its components. It discusses Node.js and its asynchronous and non-blocking architecture. It introduces MongoDB for data storage. It also covers Express, a web application framework for Node.js, and Angular 2, a front-end framework. Code examples and demos are provided for Node.js, Express, MongoDB integration, and building an Angular 2 application. The document is intended to educate developers on the MEAN stack technologies.
Nodejs
Node.js achieves concurrency through an event loop model and non-blocking asynchronous I/O. It provides a simplistic API to build highly scalable and event-driven servers. The event loop model allows Node.js to handle a large number of concurrent connections without creating an OS thread per connection. Code is written asynchronously using callbacks to avoid blocking the event loop. Node.js is well suited for real-time applications and socket-based apps that require high concurrency.
Making it fast: Zotonic & Performance
Talk given at the Erlang User Conference, june 2013, Stockholm, about the performance of Zotonic, the Erlang Web Framework and CMS.
It highlights Zotonic's architecture, performance charts and provides a glimpse into the future of this web development framework.
DDD Framework for Java: JdonFramework
Jdon Framework is a lightweight framework that helps build clean and fluent architecture systems using domain-driven design principles. It introduces reactive and event-driven patterns into the domain layer. Jdon uses an asynchronous and non-blocking approach to allow for higher throughput applications compared to traditional request-response frameworks like Spring. Key aspects of Jdon include domain events that enable loose coupling between components, and a single-writer model that guarantees single operations on in-memory state.
Introduction to Node.JS
Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
Node.js is an open source command line tool built for the server side JavaScript code.
"You Don't Know NODE.JS" by Hengki Mardongan Sihombing (Urbanhire)
Hengki Sihombing is the Co-Founder and CTO Urbanhire, a technology company who provides Software as a Service (SaaS) for Hiring and Recruitment and also Job search agregator for jobseeker.
Before founding Urbanhire, Hengki had over 10 years of professional experience in software development in companies like: OLX, Wego, Merah Putih Inc, GushCloud. Hengki also actively participates in various Technology communities. He founded and leads the JakartaJS Community with more than 1900 Members.
***
This slide was shared at Tech in Asia Product Development Conference 2017 (PDC'17) on 9-10 August 2017.
Get more insightful updates from TIA by subscribing techin.asia/updateselalu
Node js internal
Node.js is a JavaScript runtime built on Chrome's V8 engine. It is asynchronous and event-driven, which allows it to handle many connections with few threads. The document discusses Node.js architecture, including the event loop and worker pool. It emphasizes that blocking the event loop or worker pool can degrade performance. Tasks should be partitioned and offloaded to avoid blocking and minimize variation in task times.
GlobalsDB: Its significance for Node.js Developers
The document discusses the Globals database and its potential significance for Node.js developers. Globals provides a high-performance global storage engine that can be accessed synchronously from Node.js via JavaScript APIs. This allows for synchronous database coding in Node.js applications, improving performance compared to asynchronous approaches. The author has used Globals to build database-backed modules and services that demonstrate its capabilities as a universal NoSQL database engine for Node.js.
Proposal
Node.js is a server-side JavaScript platform that allows building scalable network applications quickly. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js runs on a single thread event loop, handles concurrent connections without blocking and takes advantage of asynchronous programming. It is commonly used for real-time applications that require two-way communication between client and server like chat, streaming etc.
Scalable server component using NodeJS & ExpressJS
This document discusses using Node to build scalable server components. It introduces Node and Express JS, explaining that Node allows running JavaScript on the server and is lightweight and fast. It describes Node's single-threaded architecture but how it handles concurrency using an event loop. It discusses scaling Node through clustering, load balancing, and offloading tasks. The document provides an example Express app and recommends Node may not be best for CPU-intensive tasks or if relying heavily on relational databases. Source code is available on GitHub for further reference.
node.js 실무 - node js in practice by Jesang Yoon
Sharing 4 years of experience about node.js - A google chrome V8 engine javascript based web server technology. This slide covers about wide range of knowledge about node.js learned from 4 years of production, experiment, test & failures
4년 동안 node.js 서버 프로그래밍을 경험한 내용을 간략하게 정리해 보았습니다. node.js 를 접하시는 분들에게 도움이 되었으면 합니다.
Introduction to Node.js
Basics of Node.js and where it is being used currently. Some introductory examples are also included in the presentation to get started.
Node.js introduction
Node.JS Deep Dive training deck by Prasoon Kumar. The presentation introduces Node.JS as a server-side JavaScript framework built on Google's V8 engine that uses a non-blocking and event-driven architecture. It discusses companies using Node.JS like Google, Microsoft, Yahoo and Facebook and how Node.JS handles requests in an event loop as opposed to blocking threads. The presentation also covers installing Node.JS, the Node package ecosystem with NPM, and an API tour of core Node.JS modules for processes, file systems, networking and more.
Life In The FastLane: Full Speed XPages
Using XPages out of the box lets you build good looking and well performing applications. However, as XPage applications become bigger and more complex, performance can become an issue and, if it comes to scalability and speed optimization, there are a couple of things to take into consideration.
Learn how to use partial refresh and partial execution mode and how to monitor its execution using a JSF LifeCycle monitor to avoid multiple re-calculation of controls. We will show tools that can allow you to profile your code, readily available from OpenNTF, along with a demonstration of how to use them to improve the speed of your code.
Still writing SSJS and encounter a significant slow down when using Script Libraries? See, how you can improve the speed of your application using JAVA instead of JS, JSON and even @formulas.
NodeJS guide for beginners
Node.js is an open-source JavaScript runtime environment that allows building scalable server-side and networking applications. It uses asynchronous, event-driven, non-blocking I/O which makes it lightweight and efficient for data-intensive real-time applications that run across distributed devices. Some key features of Node.js include excellent support for building RESTful web services, real-time web applications, IoT applications and scaling to many users. It uses Google's V8 JavaScript engine to execute code outside of a browser.
Semelhante a NodeJS introduction and examples of event loops (20)
"You Don't Know NODE.JS" by Hengki Mardongan Sihombing (Urbanhire)
"You Don't Know NODE.JS" by Hengki Mardongan Sihombing (Urbanhire)
GlobalsDB: Its significance for Node.js Developers
GlobalsDB: Its significance for Node.js Developers
Scalable server component using NodeJS & ExpressJS
Scalable server component using NodeJS & ExpressJS
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Electric vehicle and photovoltaic advanced roles in enhancing the financial p...
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Null Bangalore | Pentesters Approach to AWS IAM
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
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◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
IEEE Aerospace and Electronic Systems Society as a Graduate Student Member
IEEE Aerospace and Electronic Systems Society as a Graduate Student Member
Comparative analysis between traditional aquaponics and reconstructed aquapon...
The aquaponic system of planting is a method that does not require soil usage. It is a method that only needs water, fish, lava rocks (a substitute for soil), and plants. Aquaponic systems are sustainable and environmentally friendly. Its use not only helps to plant in small spaces but also helps reduce artificial chemical use and minimizes excess water use, as aquaponics consumes 90% less water than soil-based gardening. The study applied a descriptive and experimental design to assess and compare conventional and reconstructed aquaponic methods for reproducing tomatoes. The researchers created an observation checklist to determine the significant factors of the study. The study aims to determine the significant difference between traditional aquaponics and reconstructed aquaponics systems propagating tomatoes in terms of height, weight, girth, and number of fruits. The reconstructed aquaponics system’s higher growth yield results in a much more nourished crop than the traditional aquaponics system. It is superior in its number of fruits, height, weight, and girth measurement. Moreover, the reconstructed aquaponics system is proven to eliminate all the hindrances present in the traditional aquaponics system, which are overcrowding of fish, algae growth, pest problems, contaminated water, and dead fish.
Use PyCharm for remote debugging of WSL on a Windo cf5c162d672e4e58b4dde5d797...
This document serves as a comprehensive step-by-step guide on how to effectively use PyCharm for remote debugging of the Windows Subsystem for Linux (WSL) on a local Windows machine. It meticulously outlines several critical steps in the process, starting with the crucial task of enabling permissions, followed by the installation and configuration of WSL.
The guide then proceeds to explain how to set up the SSH service within the WSL environment, an integral part of the process. Alongside this, it also provides detailed instructions on how to modify the inbound rules of the Windows firewall to facilitate the process, ensuring that there are no connectivity issues that could potentially hinder the debugging process.
The document further emphasizes on the importance of checking the connection between the Windows and WSL environments, providing instructions on how to ensure that the connection is optimal and ready for remote debugging.
It also offers an in-depth guide on how to configure the WSL interpreter and files within the PyCharm environment. This is essential for ensuring that the debugging process is set up correctly and that the program can be run effectively within the WSL terminal.
Additionally, the document provides guidance on how to set up breakpoints for debugging, a fundamental aspect of the debugging process which allows the developer to stop the execution of their code at certain points and inspect their program at those stages.
Finally, the document concludes by providing a link to a reference blog. This blog offers additional information and guidance on configuring the remote Python interpreter in PyCharm, providing the reader with a well-rounded understanding of the process.
学校原版美国波士顿大学毕业证学历学位证书原版一模一样
原版一模一样【微信：741003700 】【美国波士顿大学毕业证学历学位证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
KuberTENes Birthday Bash Guadalajara - K8sGPT first impressions
K8sGPT is a tool that analyzes and diagnoses Kubernetes clusters. This presentation was used to share the requirements and dependencies to deploy K8sGPT in a local environment.
The Python for beginners. This is an advance computer language.
Python language is very important language at this time. we can easily understand this language by these notes.
International Conference on NLP, Artificial Intelligence, Machine Learning an...
International Conference on NLP, Artificial Intelligence, Machine Learning and Applications (NLAIM 2024) offers a premier global platform for exchanging insights and findings in the theory, methodology, and applications of NLP, Artificial Intelligence, Machine Learning, and their applications. The conference seeks substantial contributions across all key domains of NLP, Artificial Intelligence, Machine Learning, and their practical applications, aiming to foster both theoretical advancements and real-world implementations. With a focus on facilitating collaboration between researchers and practitioners from academia and industry, the conference serves as a nexus for sharing the latest developments in the field.
Mechanical Engineering on AAI Summer Training Report-003.pdf
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AT MBB AIRPORT
一比一原版(CalArts毕业证)加利福尼亚艺术学院毕业证如何办理
CalArts毕业证学历书【微信95270640】CalArts毕业证’圣力嘉学院毕业证《Q微信95270640》办理CalArts毕业证√文凭学历制作{CalArts文凭}购买学历学位证书本科硕士,CalArts毕业证学历学位证【实体公司】办毕业证、成绩单、学历认证、学位证、文凭认证、办留信网认证、（网上可查，实体公司，专业可靠）
(诚招代理)办理国外高校毕业证成绩单文凭学位证,真实使馆公证（留学回国人员证明）真实留信网认证国外学历学位认证雅思代考国外学校代申请名校保录开请假条改GPA改成绩ID卡
1.高仿业务:【本科硕士】毕业证,成绩单（GPA修改）,学历认证（教育部认证）,大学Offer,,ID,留信认证,使馆认证,雅思,语言证书等高仿类证书；
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1客户提供办理信息：姓名生日专业学位毕业时间等（如信息不确定可以咨询顾问：我们有专业老师帮你查询）；
2开始安排制作毕业证成绩单电子图；
3毕业证成绩单电子版做好以后发送给您确认；
4毕业证成绩单电子版您确认信息无误之后安排制作成品；
5成品做好拍照或者视频给您确认；
6快递给客户（国内顺丰国外DHLUPS等快读邮寄）
-办理真实使馆公证（即留学回国人员证明）
-办理各国各大学文凭（世界名校一对一专业服务,可全程监控跟踪进度）
-全套服务：毕业证成绩单真实使馆公证真实教育部认证。让您回国发展信心十足！
（详情请加一下 文凭顾问+微信:95270640）欢迎咨询！子小伍玩小伍比山娃小一岁虎头虎脑的很霸气父亲让山娃跟小伍去夏令营听课山娃很高兴夏令营就设在附近一所小学山娃发现那所小学比自己的学校更大更美操场上还铺有塑胶跑道呢里面很多小朋友一班一班的快快乐乐原来城里娃都藏这儿来了怪不得平时见不到他们山娃恍然大悟起来吹拉弹唱琴棋书画山娃都不懂却什么都想学山娃怨自己太笨什么都不会斟酌再三山娃终于选定了学美术当听说每月要交元时父亲犹豫了山娃也说爸算了吧咱学校一学期才转
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cnn.pptx Convolutional neural network used for image classication
NodeJS introduction and examples of event loops
- 1. A JavaScript runtime environment running Google Chrome’s V8 engine ◦ a.k.a. a server-side solution for JS ◦ Compiles JS, making it really fast Runs over the command line Designed for high concurrency ◦ Without threads or new processes Never blocks, not even for I/O Uses the CommonJS framework ◦ Making it a little closer to a real OO language
- 2. Instead of threads Node uses an event loop with a stack Alleviates overhead of context switching
- 3. Threads Asynchronous Event-driven Lock application / request with listener-workers threads only one thread, which repeatedly fetches an event Using incoming-request model Using queue and then processes it multithreaded server might block the request which might involve multiple events manually saves state and then goes on to process the next event Using context switching no contention and no context switches Using multithreading environments where listener and workers threads are used frequently to take an incoming- request lock Using asynchronous I/O facilities (callbacks, not poll/select or O_NONBLOCK) environments
- 4. Request for “index.html” comes in Stack unwinds and ev_loop goes to sleep File loads from disk and is sent to the client
- 5. Servers do nothing but I/O ◦ Scripts waiting on I/O requests degrades performance To avoid blocking, Node makes use of the event driven nature of JS by attaching callbacks to I/O requests Scripts waiting on I/O waste no space because they get popped off the stack when their non-I/O related code finishes executing
- 7. Use of JS on both the client and server-side should remove need to “context switch” ◦ Client-side JS makes heavy use of the DOM, no access to files/databases ◦ Server-side JS deals mostly in files/databases, no DOM JSDom project for Node works for simple tasks, but not much else
- 8. 1. It's fast 2. It can handle tons of concurrent requests 3. It's written in JavaScript (which means you can use the same code server side and client side) Platform Number of request per second PHP ( via Apache) 3187,27 Static ( via Apache ) 2966,51 Node.js 5569,30
- 9. http://nodejs.org/ http://nodejs.org/cinco_de_node.pdf http://ajaxian.com/archives/google-chrome- chromium-and-v8 http://blog.chromium.org/2010/12/new- crankshaft-for-v8.html http://news.softpedia.com/news/IE9-RC-vs- Chrome-10-9-vs-Opera-11-vs-Firefox-11- Performance-Comparison-183973.shtml