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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to round the numbers in TypeScript?
In this tutorial, we will learn to round numbers in TypeScript. In TypeScript, the number data types can contain number values with decimal parts, and sometimes, we require to remove decimal part by rounding the number value. For example, if you want to show the progress of something in the application, and you are getting the decimal value of the progress, but you want to show the integer values only, then it is required to round the numbers. Here, we will learn 3 to 4 different methods to round the numbers. Using The Math.round() Method to Round a Number In ...
Read MoreWhat is the use of this keyword in TypeScript?
The “this” keyword is one of the most used keywords in TypeScript. For beginner TypeScript programmers, it’s complex to understand how this keyword works, but they will learn by the end of this tutorial. In this tutorial, we will learn to use this keyword in TypeScript. Syntax Users can follow the syntax below to use this keyword generally. Users can observe how we can access the variable or invoke the method using this keyword. this.var_name; this.method_name(); console.log(this.var_name); In TypeScript, this keyword refers to the global object if it’s not used inside any class or method. Even if we use ...
Read MoreHow to encode and decode URl in typescript?
The URI stands for the uniform resource identifier. The URL is one of the most common URIS. We use the URL (uniform resource locator) to find the web page located on the internet. The web pages also contain resources. In simple terms, URI is a string containing some characters, and we can identify the physical and logical resources on the web using the URI. The URL is a subset of the URI, which stores the document address on the web. Reasons to Encode URI The first question that arises in your mind after reading this tutorial's title is why we ...
Read MoreFor-In Statement with Object in TypeScript
In TypeScript, an object contains the properties and their values. We can use the for-in loop statement to iterate through every property of the objects and get its value. This tutorial will teach us to iterate through the object key-value pairs via different examples. Also, we will learn what kind of error we can get while iterating through the object properties and how to fix it quickly. Syntax Users can follow the syntax below to iterate through the iterable object properties using the for-in loop statement. For (var_name in object){ Statements or block to execute; } ...
Read MoreSetting ulimit Values on Docker Containers?
Introduction Ulimit is a Unix/Linux utility that is used to set resource limits for processes running on the system. These limits can help prevent a single process from consuming too many resources, such as CPU or memory, and potentially impacting the overall performance of the system. To see the ulimit on your Linux machine, use the below command. $ ulimit –a Output real-time non-blocking time (microseconds, -R) unlimited core file size (blocks, -c) 0 data seg size ...
Read MoreHow to Use Volume Sharing in Docker Swarm?
Introduction Docker Swarm is a popular container orchestration platform that allows users to deploy and manage containers at scale. One of the key features of Docker Swarm is its support for volume sharing, which allows containers to access and share data stored in persistent volumes. In this article, we will explain what volumes are, how they are used in Docker Swarm and show examples of how volume sharing can be implemented in different scenarios. Prerequisite Basic knowledge of Docker and containerization Familiarity with Docker Swarm Understanding of volumes in Docker Experience with the command line What is Docker ...
Read MoreHow to run a Docker image in IBM Cloud Functions?
Introduction to Docker and IBM Cloud Functions Docker is a popular containerization platform that allows you to package applications and their dependencies into lightweight, portable containers. These containers can then be easily deployed and run on any machine with Docker installed, making it easy to manage and scale applications. IBM Cloud Functions is a serverless computing platform that allows you to run code in response to triggers such as HTTP requests, events, or data updates. IBM Cloud Functions can run a variety of languages, including JavaScript, Python, and Go, and it integrates seamlessly with Docker. Using Docker with IBM Cloud ...
Read MoreHow to move Docker containers between different hosts?
Introduction Docker is a popular tool for building, deploying, and running applications in containers. One of the key benefits of using Docker is the ability to easily move containers between different hosts, whether they are local VMs, cloud servers, or on-premises datacentres. There are several methods available for moving Docker containers between different hosts, each with its own benefits and drawbacks. In this article, we will provide an overview of the various methods that are available and discuss the pros and cons of each. Methods for Moving Docker Containers Between Different Hosts Using docker save and docker load The docker ...
Read MoreHow to deploy a Python Docker image to AWS Lambda?
Introduction AWS Lambda is a serverless computing platform that allows you to run your code without worrying about infrastructure. Docker is a tool used to package and deploy applications in a standardized and isolated manner. By deploying a Python Docker image to AWS Lambda, you can take advantage of both of these technologies to run your Python code at scale. Prerequisites AWS account with access to AWS Lambda Docker installation and basic knowledge of Docker commands Python application or code to be packaged in the Docker image Step 1: Building the Python Docker Image It would be best ...
Read MoreHow could I bind Docker container to specific external interface?
Introduction There are times when you might want to bind a Docker container to a specific external interface on your host machine. For example, you might want to bind a web server running in a Docker container to a specific network interface so that it is accessible from a specific IP address or hostname. Several options are available for binding a Docker container to a specific external interface. In this article, we will explore three of these options: the --network flag, the --publish flag, and the --add-host flag. Prerequisites for Binding a Docker Container to a Specific External Interface Before ...
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