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Based on hands-on experience across diverse domains,We provide system engineering that ensures high reliability and unlimited scalability.

Vizend presents a new paradigm based on a Workspace execution model, built on MSA, containers, Kubernetes, and cloud infrastructure.

DevLime is not just a “tool,” but an organizational operations platform.It connects project management, workforce operations, workflows, and organizational data into a single system, enabling a stable and consistent operating model even in remote wor

While developing with React, a framework for Single Page Applications (SPA), I had a question. React detects changes on a single page and updates the Virtual DOM, rendering only the parts that have changed. So I wondered, "Are all pages the same sinc

1. What is State?In React, state is a way to manage data that can change over time, and it is specific to each component. Unlike props (which are immutable and passed down from parent to child), state allows a component to maintain and update its own

PropsIn React, the flow of data is unidirectional: it flows from the parent (higher-level) component to the child (lower-level) component. In this flow, data passed from the parent to the child is conveyed through an object called props, which is sho

A ReactElement is an implementation of the concept called the Virtual DOM (VDOM). The VDOM is a JavaScript object that exists in memory and can be created using the React.createElement function. The elements created by this function are just regular

1. Environment Setup 1-1. JAVA: 1.7 1-2. Eclipse: Kepler - Install Eclipse EGit Plugin The EGit plugin integrates Git with Eclipse. There are two ways to install the EGit plugin in Eclipse: the first method is using Eclipse Marketplace, and the other

In the previous post, we explored the concept of OAuth 2 and the considerations for its implementation. In this post, we will discuss how to extend OAuth 2 to configure a Single Sign-On (SSO) environment, and how to build an SSO environment using Spr

In some companies, multiple systems are operated, and separate accounts are managed for each system. Users who use these systems need to remember the accounts for all the systems they access and must log in separately to each system, which can be inc

This article covers how to align sentences, paragraphs, and boxes containing paragraphs in a visually pleasing way using HTML and CSS. We will look at two methods for centering alignment on the horizontal and vertical axes. Method 1. display: table /

React is an open-source JavaScript library used for creating user interfaces.There are various React-based UI libraries that help in building beautiful user interfaces. Some of the most popular ones include Material-UI, Semantic-UI-React, Ant-Design,

1. React Component Element Renderingclass CorrectComponent extends React.Component { // React Component is rendering only a single element. render() { return ( <h4> Hello React </h4> ) } } class WrongComponent extends React.Component { // React Compo

What is Unit Testing?Unit testing refers to testing an application by separating it into the smallest possible units and testing them individually. Through unit tests performed on the smallest units (such as functions or methods), you can predict and

There are two types of components in React. Class Component – This is the method of creating a component using a class. It is the default way of building components in React. The reason why Class Components are commonly used is because they allow acc