This article is created to familiarize you with Couchbase ‒ a non-relational database, its architecture, data structure, and indexes that allow increasing the speed of executing queries to the database. Couchbase is an open-source distributed document-oriented NoSQL database designed to..
This article describes a centralized service for configuring distributed systems − Apache ZooKeeper, the essence of its work, use cases. The topic of the CAP theorem is touched upon to get a deeper understanding of ZooKeeper essence. It also describes..
Draft.js is a framework by Facebook designed to develop text editors in React.js. The source code of the project has already scored more than 22,000 stars on github. Specific requirements for the created editor, of course, will require writing own..
Lodash is a JavaScript library that makes it easy to work with arrays, numbers, objects, and strings by providing a variety of useful methods. Thanks to this library, we do not have to waste time implementing the logic and algorithms,..
Writing test scenarios for applications with a non-standard architecture requires the developer to have superior skills in general and knowledge of niceties of implementing the system to be tested in particular. This article will describe the process of developing a..
The article describes the implementation of integration between Kazoo VoIP (Voice over Internet Protocol) and Zapier platforms. The solution was implemented by JazzTeam for a commercial VoIP provider from Europe. Zapier allows to link several external services: The link between..
Some fine day in autumn, I decided to monitor the state of the applications we were developing. On a regular basis I log in to pm2 and ask myself if there is a memory leak today. And every time the..
The purpose of this article is to give an outline of the MobX library, describe what it is based on, and tell about the advantages of this tool for managing the state of an application. In this article, we will..
When creating site layouts, a number of trivial problems related to aligning and placing items on a page often need solving. There are multiple solutions to these problems, but they often require many code lines and are not universal. Flexbox..
In this article, we will consider the actual realization of CI/CD implementation process on the project with a long history. You can read about the initial stage of the implementation process here. When project documentation for CI/CD processes was ready,..
RabbitMQ – a software message broker – is an open source application that supports various messaging protocols, such as AMQP, MQTT, STOMP and others. If your application needs to be deployed in multiple geographic locations, it becomes very difficult to..
ExtJS is a JavaScript library for building web applications and user interfaces. It supports AJAX technology, animation, working with DOM, implementation of grids and tabs, events handling. The official website of the library. ExtJS applications architecture is based on the..
