![]() ![]() Node.js is single-threaded for async processing. Once the task is carried out completely, the response is sent to the Event Loop that sends that response back to the client. This thread is responsible for completing a particular blocking request by accessing external resources, such as computation, database, file system, etc. The Event Loop processes simple requests (non-blocking operations), such as I/O Polling, and returns the responses to the corresponding clientsĪ single thread from the Thread Pool is assigned to a single complex request.It checks if the requests are simple enough not to require any external resources The requests are then passed one-by-one through the Event Loop.Node.js retrieves the incoming requests and adds those to the Event Queue.Requests can be non-blocking or blocking: Clients send requests to the webserver to interact with the web application.Let’s explore this flow of operations in detail. It offers a unified programming language and data typeĪ web server using Node.js typically has a workflow that is quite similar to the diagram illustrated below.Node.js makes building scalable network programs easy. You can also use it for developing: Real-time web applications, Network applications, General-purpose applications, and Distributed systems. You can use I/O intensive web applications like video streaming sites. ![]() Node.js is perfect for data-intensive applications as it uses an asynchronous, event-driven model. It is used to create server-side web applications. Node.js is an open-source, cross-platform JavaScript runtime environment and library to run web applications outside the client’s browser. This section will provide you with the Basic Node.js interview questions which will primarily help freshers. Version History for Simple Port Forwarding Portable:Ĭompletely redid the code for the port tester, making it way more faster and fixed a few minor Interview Questions and Answers For Freshers The Program also makes adding the ports to the windows firewall as easy as a few clicks! Once you have your ports forwarded you can then test to see if they can be accessed right from with in the program using the built in port tester. I added this tool to make setting a static IP as easy as possible for people instead of manually doing it on there systems (Which if a person has never done it before can be a little intimidating). By setting your IP to static it never changes. When DHCP is enabled your IP address can change and thus breaking the port forwarding. When port forwarding the router forwards to an IP address. The program has many extra tools, such as a tool to set your IP to static or back to DHCP. The program remembers the last IP address you use to forward to, this helps not having to set it every time you load new ports! The program will also remember custom applications you put in, so you don't have to reenter them. The program has a large database of known ports for over 700+ games and programs, so finding the port you need is made a little easier. An example would be, lets say you have a family member who lives far from you and doesn't really understand port forwarding, so instead of spending a lot of time over the phone walking them through it you can simply have them use the program and have them load the list and update their router, then your all done. You have the ability to save your list and send it to another user of the program. Giving options of seeing what is going to be forwarded to the router and how many entries and ports it will use in the process. The main interface of the program is small and clean. So whether you don't understand how to forward ports, or your simply looking for an easier way to forward ports then this program is for you. The program works by automating the process for you. Its no different than using Firefox, IE or any other browser to setup port forwarding yourself. ![]() Simple Port Forwarding Portable works with WebPages and not directly with your router. ![]()
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