Firestore is also called Cloud Firestore. Cloud Firestore is provided by Firebase and Google Cloud. It is a realtime database resides in the google cloud. It is very flex...
Apache Kafka is mainly used for Messaging Queues. Apache Kafka is a distributed Publish-Subscribe Messaging System. Kafka was developed at LinkedIn and later became part ...
In this article we will learn how we can debug the database queries and will find the reason Why our api slow responding from database? We will find the way to fix those ...
Implement Server-Sent Events in NodeJS using NodeJS Events and integrate this event with React application. In this implementation we will create a Nodejs app with events...
If our API is taking more than expected time then we implement the by default request timeout at the server level. This request time will be for all APIs, if your API wil...
Usually, we face issues when we want to connect to the MongoDB remote database using mongo URI through Robomongo. In this article we will connect to the MongoDB remote da...
In this article, we install the NVM and use this NVM to change our node version as per our requirements. We will also see how we can set our favorite node version for all...
Async and Await in nodejs are broadly used for asynchronous programming. In this article, we will learn about What is Async and Await in nodejs? How you can write the Asy...
Debugging is a very important tool in software development, Debugging provides you the functionality to observe the flow of execution. In this article, we will see how we...
IIFE stands for Immediately Invoked Function Expression. In this magical programming language (JavaScript), an IIFE is a special function and the special part of this fun...
Sometimes, we need to make an API call until getting the success response or retry up to n times for some reason. Suppose we have a very important API call that needs to ...
In this article, we will implement the caching using Redis in Nodejs with complete codes. We will write codes to connect the Redis and implement the Caching and later run...
Sometims, we need to downlaod the images of given URLs. When it comes with file or streams, then it is difficult to handle. Haha, But exactly Not, it is not difficult. I...
Caching is very powerful technique while fetching the data. Redis provide very easy way to implement the caching technique in Nodejs. Redis (caching) makes your search fa...
Transactions in database, is a process to perform multiple or group of operations as a unit, which means you can execute multiple queries in one unit. Also we can rollbac...
Soemtime we need to upgrade our npm to meet the specific requirements. This process is very easy and takes less time.
In this article, we will learn how to write unit test cases to test the API call or how we can write the unit test cases to test the fetch function (API call). Sometime w...
In this article, we will learn how we can create a child process in nodejs. we will create a node server and this server will fork a child process to execute a script fil...
In this article, we will learn how we can create a child process in nodejs. we will create two file ‘master.js’ and fork.js. Send a message from parent.js to fork.js and ...
In the applications, sometimes you want to open a specific page in your application when the user clicks on a certain link. So this is possible by using deeplink. In this...
Sometimes, we need to read the very large file in our Node app, at that time its a very big deal about this large file. We need to write the very optimized code to read t...
Environment variables are very important part of your project. It gives you flexibility, adoption extendability, and security to your project. It gives you better testing...
Let's create an excel sheet dynamically and add data dynamically from array of objects. In this article, we'll learn how we can create an excel sheet dynamically in nodej...
In this article, We will learn about the code coverage like what is code coverage? and how we measure it? we will learn to generate code coverage graph of our node applic...
Creating a flame graph of your Node.js app is pretty simple and easy to learn. We'll learn What is a flame graph? How do we use a flame graph in our Node.js app? How do w...
In this article, we'll learn about the flame graph like What is a flame graph? How do we use a flame graph in our Node.js app? How do we create a flame graph in our Node....
Here we will learn how we can detect the memory leak in our node app and how you can memory size is being used by your application, to learn read this article, I'll show ...
Using inspect, Heapdump, Heap Snapshot, we will learn jow we can detect the memory used by our node app and how we can optimize our node app. We will use inspect, Heapdum...
In this guid, we will write the test cases for our API using mocha and chai. In this, we will create node server and will write some test cases for node app. further we w...
As a nodeJs developer, you should know how you can create CLI application in nodejs, I will create a CLI based application. It means you will interact only with the Node ...
This article will guid you to create an iOT that would be a demo for how you can control your home appliances over Internet from anywhere in the world using nodejs, angul...
In this article, we will learn what is arduino? and how we can use arduino circuit board with node app?, It will be very interesting and from this you will get the idea a...
In this article, you will learn how you can generate PDF using nodejs. To generate PDF using nodejs, you need a HTML page and using that HTML page you will generate the s...
How to do changes in nginx config file? also the error "Error: 413 Request Entity Too Large in nginx with client_max_body_size" you are facing, because of your nginx serv...
The error "Error: 413 Request Entity Too Large in nginx with client_max_body_size" you are facing, because of your nginx server not allow to upload file which is larger t...
Hi Reader, this article will tell you how to convert Audio/Speech/.mp3 file and other audio file into Text format. I will use Nodejs. You should follow these simple steps...
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