Upon the file ending you will see the end event, in the handler of which we will end our response by calling res.end. Thus, the outgoing connection will be closed for the file has been completely sent. The resulting code is quite versatile:
Our next step will be using the streams to work with network connections. And we will start from delivering files to a visitor. As you may remember, we’ve already had a task like this: if a visitor requires the following url, you will give him the file. Let us create a file pipe.js with the following code (for your convenience, you can download code' lesson from the repository because we'll need an HTML file from there):
Hey all! Our topic for today is Data Streams In Node.js. We will try to learn all the aspects in details for the reason it turns out that on the one hand, common browser JavaScript development lack streams. And on the other hand, knowing and understanding stream principles is necessary for seamless server development because a stream is a versatile way of work with data sources universally used.
This article will deal with how to create a web server in Node.js, which will return a file to a user from a public directory. You may wonder: why do we need Node.js here? Why can’t we use another server? You question surely does make sense. Yes, for returning files other servers are generally more effective. From the other side, Node.js works pretty well, too. Second, before returning a file it can also perform some intellectual activities: for example, refer to a database, check out whether a user is permitted to access the file and give the file to him, if it’s permitted.
Dear friends! The key goal of our today’s lesson is to learn how to work with binary data and file system. Node.js contains fs module to work with files, which includes a number of functions for various operations with files and directories.
Our next lesson is devoted to Node.JS debugging. First of all, we will explore the simplest built-in debugger that is called by the node debug command. It looks just like that. Imagine, we’ve got the script:
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As we sad before Angular 2 is component based. It is the analog of user’s directives, that allows to define their HTML elements, than when we are going through code we determine how it will look like and what it’s doing.
Hi folks! Today we want to talk about one cool and growing technology its name – Angular 2. What is more interesting that it has no stable version yet, but many companies and developers have already using it for doing projects.
Let’s talk a bit about server programming, especially about Node.js, which we are using in most of our clients’ projects. Let’s take a quick look on its history.
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