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Docker basics: Docker compose

Docker Compose is a tool that allows you to run multi-container applications. With compose we can use yaml files to configure our application’ services and then using a single command create and start all of the configured services. I use this tool a lot when it comes to local development in a microservice environment. It is also lightweight and needs ...

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Are you ready to adopt GraphQL?

In this article let us explore GraphQL. Let us first understand what GraphQL is? GraphQL is a specification from Facebook. GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. GraphQL gives clients the power to ask for exactly what they need and nothing more by avoiding over fetching or under fetching of ...

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JavaScript Number Methods and Properties Example

Greetings readers, in this tutorial, we will explore the Number methods and properties in the javascript. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript scripting language ...

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Python Pandas Tutorial: Getting Started With DataFrames

Pandas is an open source Python library which provides data analysis and manipulation in Python programming. It’s a very promising library in data representation, filtering, and statistical programming. The most important piece in pandas is the DataFrame where you store and play with the data. In this tutorial, you will learn what is the DataFrame, how to create it from ...

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Using Node 11.7 Worker Threads with RxJS Observable

With the release of Node 11.7, the worker_threads module becomes a standard feature and is no longer hidden behind the --experimental-worker switch. The worker_threads module allows developers to run JavaScript asynchronously in light-weight, isolated threads contained within the main Node process. This article will be focusing on how use worker threads to execute a task asynchronously and stream data from ...

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JavaScript Arithmetic Operators Example

Greetings readers, in this tutorial, we will explore the arithmetic operators in the javascript. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript scripting language includes: Declaring ...

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Develop RESTful APIs using MongoDB and Nodejs

In this article, we will learn how to build Restful API’s from scratch using node and NoSQL databases like MongoDB. For starters let’s understand our development stack before we start building our application. Node.js is an open source javascript runtime designed to build scalable applications and uses an event-driven and non-blocking I/O. Node.js is designed keeping low latency and streaming ...

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Downloading Files Using Python (Simple Examples)

In this tutorial, you will learn how to download files from the web using different Python modules. You will download regular files, web pages, YouTube videos, Google drive files, Amazon S3, and other sources. Also, you will learn how to overcome many challenges that you may counter such as downloading files that redirects,  downloading large files, multithreaded download, and other ...

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Angular 6 Routing Example

Welcome readers, in this tutorial, we will learn the basic concepts behind routing in angular. 1. Introduction Routing in angular is an essential part of the angular framework contained in the @angular/router package. It, Helps developers build single page applications with multiple states and views using routes and components Allows client-side navigation and routing between various components Allows lazy loading ...

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