3 Things Everyone Knows About Node JS That You Don'tF5 Buddy
Node.js is server side javascript. Here the complete presentation on Node JS with the 3 Things which everyone knows about Node JS and installation process of it. https://www.f5buddy.com
3 Things Everyone Knows About Node JS That You Don'tF5 Buddy
Node.js is server side javascript. Here the complete presentation on Node JS with the 3 Things which everyone knows about Node JS and installation process of it. https://www.f5buddy.com
Here’s a step-by-step guide to implement Flask JWT Authentication with an example. Clone the flask-jwt authentication github repo and play around with the code
Node.js Tutorial for Beginners | Node.js Web Application Tutorial | Node.js T...Edureka!
This Edureka "Node.js tutorial" will help you to learn the Node.js fundamentals and how to create an application in Node.js. Node.js is an open-source, cross-platform JavaScript runtime environment for developing a diverse variety of server tools and applications. Below are the topics covered in this tutorial:
1) Client Server Architecture
2) Limitations of Multi-Threaded Model
3) What is Node.js?
4) Features of Node.js
5) Node.js Installation
6) Blocking Vs. Non – Blocking I/O
7) Creating Node.js Program
8) Node.js Modules
9) Demo – Grocery List Web Application using Node.js
Future-proof Development for Classic SharePointBob German
This talk explains how to build headers and footers that work in both SharePoint "modern" (SharePoint Framework) and Classic pages. This work is from Julie Turner and me (Bob German)
Simple hack: use multiple mongodb databases in a nodejs express mongodb appli...Manoj Mohanan
Demonstration of how to integrate multiple mongodb instances in a nodejs + express app and how we can provide different mongodb database for different hosts.
Node.js is an extremely light weight framework for rapidly developing and deploying next generation web and mobile apps. It enables developers to have full stack development. Not only does it save lines of code, but also saves a lot of time in writing those critical code.
Node.js is built on open source Chrome V8 engine. Its built on top of C++ layer. JS code is compiles into machine code for blazing execution on your machine or server.
This slide gives a jump start and a sneak peak for node.js.
About Parth:
Parth Joshi is a Tech - Entrepreneur and a Corporate Trainer. He has been part of two internet startups and has been lead technical architect and project manager. He has zeal for exploring new technology and how innovation solves problems of people at large. He currently acts as consultant for various startups. He also trains tech teams to make them startup ready. For more information about how Parth can train your team visit: www.parthjoshi.in/Training
Follow him on
Twitter: twitter.com/joshiparthin
Connect with him on LinkedIN : linkedin.com/in/joshiparthin
Here’s a step-by-step guide to implement Flask JWT Authentication with an example. Clone the flask-jwt authentication github repo and play around with the code
Node.js Tutorial for Beginners | Node.js Web Application Tutorial | Node.js T...Edureka!
This Edureka "Node.js tutorial" will help you to learn the Node.js fundamentals and how to create an application in Node.js. Node.js is an open-source, cross-platform JavaScript runtime environment for developing a diverse variety of server tools and applications. Below are the topics covered in this tutorial:
1) Client Server Architecture
2) Limitations of Multi-Threaded Model
3) What is Node.js?
4) Features of Node.js
5) Node.js Installation
6) Blocking Vs. Non – Blocking I/O
7) Creating Node.js Program
8) Node.js Modules
9) Demo – Grocery List Web Application using Node.js
Future-proof Development for Classic SharePointBob German
This talk explains how to build headers and footers that work in both SharePoint "modern" (SharePoint Framework) and Classic pages. This work is from Julie Turner and me (Bob German)
Simple hack: use multiple mongodb databases in a nodejs express mongodb appli...Manoj Mohanan
Demonstration of how to integrate multiple mongodb instances in a nodejs + express app and how we can provide different mongodb database for different hosts.
Node.js is an extremely light weight framework for rapidly developing and deploying next generation web and mobile apps. It enables developers to have full stack development. Not only does it save lines of code, but also saves a lot of time in writing those critical code.
Node.js is built on open source Chrome V8 engine. Its built on top of C++ layer. JS code is compiles into machine code for blazing execution on your machine or server.
This slide gives a jump start and a sneak peak for node.js.
About Parth:
Parth Joshi is a Tech - Entrepreneur and a Corporate Trainer. He has been part of two internet startups and has been lead technical architect and project manager. He has zeal for exploring new technology and how innovation solves problems of people at large. He currently acts as consultant for various startups. He also trains tech teams to make them startup ready. For more information about how Parth can train your team visit: www.parthjoshi.in/Training
Follow him on
Twitter: twitter.com/joshiparthin
Connect with him on LinkedIN : linkedin.com/in/joshiparthin
1> What is node
2> What is node.js
3> Installation steps
4> Create first Node application
5> How it works ?
6> Why node is so popular ?
7> Where to use ?
8> Advantages
9> Disadvantages
10> Statistics
Node.js
JavaScript code may be run outside of a web browser Thanks to the open-source, cross-platform runtime environment known as Node.js. Ryan Dahl first presented it in 2009, and it has subsequently gained popularity as a server-side programming language.
In this post, we'll examine Node. Js' fundamentals and how server-side programming might benefit from it. We'll also look at some of Node. Js' essential attributes have helped it become so well-liked by programmers.
Overview of Node.js
A server-side runtime environment called Node.js was constructed on top of Google's V8 JavaScript engine. Developers can now employ JavaScript, which was previously solely used on the client side, to create server-side code. With the help of Node.js, programmers can build highly scalable, event-driven apps that can manage several concurrent connections.
History of Node.js
Developer Ryan Dahl first released Node.js in 2009 with the goal of enabling JavaScript programmers to build highly scalable network applications. He developed Node.js on top of the Google Chrome-compatible V8 JavaScript engine and made it available as an open-source project.
Benefits of Node.js
The use of Node.js for server-side development has a number of advantages. A few of these are:
Performance: The V8 JavaScript engine, which is highly optimized for performance, is the foundation upon which Node.js is constructed. Because of this, Node.js apps can handle numerous connections at once without experiencing performance issues.
Scalability: Node.js applications have a great degree of scalability and can manage numerous concurrent connections without the installation of additional hardware.
Easy to Learn:Node.js is reasonably simple to learn because it leverages JavaScript, a well-known language among developers.
Large Community: Node.js has a sizable developer community that supports one another and contributes to the open-source project.
Introduction to Node.js
Setting up Node.js
You must install Node.js on your computer before you can begin using it. Node.js can be downloaded from the official Node.js website, which also provides installation guidance.
figuring out npm
Developers may quickly install and manage dependencies for their Node.js apps using npm (Node Package Manager), a Node.js package manager. There is no need to install npm individually because it is part of Node.js.
Basics of Node.js
Knowledge of the Event Loop
On top of an event-driven, non-blocking I/O mechanism, Node.js is constructed. This indicates that Node.js processes numerous jobs concurrently by using an event loop rather than waiting for I/O operations to finish before going on to the next task. Because of this, Node.js apps can handle numerous connections at once without experiencing performance issues.
Learn how to seamlessly install Node.js and NPM on both Windows and Mac with our step-by-step guide. Empower your development environment and harness the full potential of these essential tools effortlessly. Dive into the world of JavaScript with confidence!
Node Js Non-blocking or asynchronous Blocking or synchronous.pdfDarshanaMallick
Node.js is a server-side scripting language based on Google’s V8 Javascript engine. Node js is a single-threaded and highly scalable system. Instead of separate processes and threads, it uses asynchronous, event-driven I/O operations. So It can achieve high output via single-threaded event loop and non-blocking I/O.
Table of Contents
Node.js: Why and Where to Use It?
How to Run Code in Node.js?
Why Node Js is single-threaded?
What is Non-blocking or asynchronous?
What is Blocking or synchronous?
What is IO?
Blocking vs Non Blocking NodeJS
Blocking or Non-blocking in Node.js: Which is Faster?
Dangers of Mixing Blocking and Non-Blocking Code
How can We Convert Blocking Code to Non-blocking Code?
Pros and Cons of Non Blocking IO Node.js
Is it possible to use asynchronous architecture?
Node.js: Why and Where to Use It?
Node.js has gained immense popularity in recent years due to its unique features and capabilities. It is a powerful JavaScript runtime built on Chrome’s V8 JavaScript engine, which enables developers to build scalable and high-performance applications. In this article, we will explore the reasons why you should consider using Node.js and where it can be most beneficial.
Why to Use Node.js?
Efficient and Scalable:
Node.js is known for its efficiency and scalability, making it an excellent choice for developing applications that can handle a large number of concurrent connections. It uses an event-driven, non-blocking I/O model, allowing it to handle multiple requests without getting blocked, unlike traditional blocking I/O models used in other languages. This makes Node.js ideal for applications that require real-time interactions, such as chat applications, collaborative tools, and gaming platforms.
Single Language, Full Stack:
One significant advantage of Node.js is that it enables developers to use JavaScript both on the server and the client side. This means that you can have a seamless development experience, using the same language and libraries throughout the entire stack. This consistency reduces the complexity of development and eases the transition between front-end and back-end development tasks. It also enables the reuse of code and modules, resulting in faster development cycles and increased productivity.
Large and Active Community:
Node.js has a vibrant and extensive community of developers, which means you can easily find support, libraries, and resources to help you in your Node.js development journey. The community actively contributes to the Node Package Manager (NPM), which hosts a vast collection of open-source packages that can be easily integrated into your projects. With a rich ecosystem and continuous community-driven enhancements, Node.js ensures that you can find solutions to most of your development challenges.
Where to Use Node.js?
High Performance:
Node.js’s event-driven, non-blocking architecture allows it to handle a large number of concurrent connections efficiently. This, coupled with its ability
Quick introduction about Node.js, what is it? What is Node not?
What is V8 engine?
How to Install Node.js
github: https://github.com/elbassel/MEAN-Training.git
# Internet Security: Safeguarding Your Digital World
In the contemporary digital age, the internet is a cornerstone of our daily lives. It connects us to vast amounts of information, provides platforms for communication, enables commerce, and offers endless entertainment. However, with these conveniences come significant security challenges. Internet security is essential to protect our digital identities, sensitive data, and overall online experience. This comprehensive guide explores the multifaceted world of internet security, providing insights into its importance, common threats, and effective strategies to safeguard your digital world.
## Understanding Internet Security
Internet security encompasses the measures and protocols used to protect information, devices, and networks from unauthorized access, attacks, and damage. It involves a wide range of practices designed to safeguard data confidentiality, integrity, and availability. Effective internet security is crucial for individuals, businesses, and governments alike, as cyber threats continue to evolve in complexity and scale.
### Key Components of Internet Security
1. **Confidentiality**: Ensuring that information is accessible only to those authorized to access it.
2. **Integrity**: Protecting information from being altered or tampered with by unauthorized parties.
3. **Availability**: Ensuring that authorized users have reliable access to information and resources when needed.
## Common Internet Security Threats
Cyber threats are numerous and constantly evolving. Understanding these threats is the first step in protecting against them. Some of the most common internet security threats include:
### Malware
Malware, or malicious software, is designed to harm, exploit, or otherwise compromise a device, network, or service. Common types of malware include:
- **Viruses**: Programs that attach themselves to legitimate software and replicate, spreading to other programs and files.
- **Worms**: Standalone malware that replicates itself to spread to other computers.
- **Trojan Horses**: Malicious software disguised as legitimate software.
- **Ransomware**: Malware that encrypts a user's files and demands a ransom for the decryption key.
- **Spyware**: Software that secretly monitors and collects user information.
### Phishing
Phishing is a social engineering attack that aims to steal sensitive information such as usernames, passwords, and credit card details. Attackers often masquerade as trusted entities in email or other communication channels, tricking victims into providing their information.
### Man-in-the-Middle (MitM) Attacks
MitM attacks occur when an attacker intercepts and potentially alters communication between two parties without their knowledge. This can lead to the unauthorized acquisition of sensitive information.
### Denial-of-Service (DoS) and Distributed Denial-of-Service (DDoS) Attacks
1.Wireless Communication System_Wireless communication is a broad term that i...JeyaPerumal1
Wireless communication involves the transmission of information over a distance without the help of wires, cables or any other forms of electrical conductors.
Wireless communication is a broad term that incorporates all procedures and forms of connecting and communicating between two or more devices using a wireless signal through wireless communication technologies and devices.
Features of Wireless Communication
The evolution of wireless technology has brought many advancements with its effective features.
The transmitted distance can be anywhere between a few meters (for example, a television's remote control) and thousands of kilometers (for example, radio communication).
Wireless communication can be used for cellular telephony, wireless access to the internet, wireless home networking, and so on.
Bridging the Digital Gap Brad Spiegel Macon, GA Initiative.pptxBrad Spiegel Macon GA
Brad Spiegel Macon GA’s journey exemplifies the profound impact that one individual can have on their community. Through his unwavering dedication to digital inclusion, he’s not only bridging the gap in Macon but also setting an example for others to follow.
Multi-cluster Kubernetes Networking- Patterns, Projects and GuidelinesSanjeev Rampal
Talk presented at Kubernetes Community Day, New York, May 2024.
Technical summary of Multi-Cluster Kubernetes Networking architectures with focus on 4 key topics.
1) Key patterns for Multi-cluster architectures
2) Architectural comparison of several OSS/ CNCF projects to address these patterns
3) Evolution trends for the APIs of these projects
4) Some design recommendations & guidelines for adopting/ deploying these solutions.
APNIC Foundation, presented by Ellisha Heppner at the PNG DNS Forum 2024APNIC
Ellisha Heppner, Grant Management Lead, presented an update on APNIC Foundation to the PNG DNS Forum held from 6 to 10 May, 2024 in Port Moresby, Papua New Guinea.
This 7-second Brain Wave Ritual Attracts Money To You.!nirahealhty
Discover the power of a simple 7-second brain wave ritual that can attract wealth and abundance into your life. By tapping into specific brain frequencies, this technique helps you manifest financial success effortlessly. Ready to transform your financial future? Try this powerful ritual and start attracting money today!
2. package ecosystem, npm, is the
largest ecosystem of open source
libraries in the world.
is a JavaScript runtime built
on Chrome's V8 JavaScript
engine.
uses an event-driven, non-blocking I/O
model that makes it lightweight and
efficient.
allows the creation of Web
servers and networking tools
using JavaScript
3. is the JavaScript execution engine built for Google Chrome
and open-sourced by Google in 2008. Written in C++, V8
compiles JavaScript source code to native machine code
instead of interpreting it in real time.
4. is a package manager for the JavaScript programming language.
It is the default package manager for the JavaScript runtime
environment NodeJS
It consists of a command line client, also called npm, and an
online database of public packages, called the npm registry
The registry is accessed via the client, and the available packages
can be browsed and searched via the npm website
5. All APIs of NodeJS library are asynchronous, that is, non-
blocking.
It essentially means a NodeJS based server never waits for an
API to return data.
The server moves to the next API after calling it and a
notification mechanism of Events of NodeJS helps the server
to get a response from the previous API call.
6. NodeJS allows to create a scalable and fast web server in
simple way by using JavaScript.
Opportunity to write client-side and server-side parts of web
application on your favourite JavaScript sounds appealing!
7. We will need:
‣ Knowledge of the basics JavaScript language
‣ Installed NodeJS (https://nodejs.org)
‣ Any text redactor / IDE
‣ Terminal
LET'S MAKE A SIMPLE SERVER WITH NODEJS (1/5)
8. Preparation:
‣ Create project folder
‣ Add server.js to project folder
‣ Install node-router package via npm
LET'S MAKE A SIMPLE SERVER WITH NODEJS (2/5)
9. ‣ Add some code
{
LET'S MAKE A SIMPLE SERVER WITH NODEJS (2/5)
10. ‣ Run our server.js
LET'S MAKE A SIMPLE SERVER WITH NODEJS (3/5)
11. LET'S MAKE A SIMPLE SERVER WITH NODEJS (4/5)
‣ And check the result in browser
12. As we can see at network tab, when we call origin.
Browser automatically send GET request to ORIGIN.
According the code if someone sent a request for origin then
NodeJS send back a response with text "Hello!"
Looks fine and easy, isn't it?
