Blog — N47

Spring Spring Boot Technology

Spring Cloud OpenFeign

Feign provides flexibility to RESTful APIs in Spring Boot, and it’s getting popular. As a good RESTful solution, it also provides circuit breaker integration.

Shady Eltobgy14.05.2020

Company Development Culture

Hackdayz 2019 fun and creativity

During our Hackdayz 2019, we just recognized the effect of fun on increasing creativity and efficiency at work and overcoming obstacles to work such as time pressure or language barriers. We also had such a friendly cultural exchange event where we met our colleagues from different countries and had a…

Shehab Eltobgy12.05.2020

Java Java 14 Java 14 Preview Feature

Did we forget the Immutable classes in Java?

Did we forget the Immutable classes in Java? Well, I did. In everyday work we can hear discussions about microservices, containers, beans, entities etc. but it is very hard and rare to hear some talk about immutable or mutable classes. Why is it like that?

Miodrag Cvetkovic30.04.2020

Hibernate Java

Hibernate techniques for mapping sets, lists and enumerations

Hibernate is an essential object-relation mapping framework for the Java programming language. Hibernate’s primary feature is mapping from Java classes to database tables and vice versa. In this article we will learn how to use advanced hibernate techniques for mapping sets, lists and enums in simple and easy steps.

Elena Stojanovska28.04.2020

Conference Education JavaScript

GraphQL! 😍😍

GraphQL is an awesome query language that will make your developing days easier. Here are the first steps into it, some advantages & disadvantages of this cool language and a deep comparison between GraphQL and REST.

Youssef Idelhoussain23.04.2020

iOS Mobile App Marketing

Mobile App Marketing

Almost everyone uses mobile devices nowadays. The market for mobile applications is really huge. The site https://42matters.com/ has statistics that show that currently, over 6.1 million applications are existing from >1.9 million publishers. If you have a cool idea and you finally create a mobile application, the first goal is…

Dimitar Shopovski21.04.2020

Blockchain Java Spring Boot

Crypto Trading Bot

Every year, N47 as a tech family celebrates a tech festival as Hackdays at the end of the year. In December 2019 we were in Budapest, Hungary for Hackdays. There were five different teams and each team had created some cool projects in a short time. I was also part…

Amit Pethani16.04.2020

CI/CD Java JavaScript JHipster Spring Spring Boot Vue.js

JHipster with Google App Engine and Cloud MySQL

How does it sound to set up complete spring application, with frontend and database? With all the models, repositories and controllers? Even with Unit and Integration tests, with mocked data? All within a few hours? Your solution is JHipster!

Kristijan Petrovski14.04.2020

Design Education UI UX

Gestalt principles

These principles help take the guesswork out of design. If applied correctly, they can provide you with some quick wins out of the box. By employing these psychological tenets, designers and non-designers can understand why they make certain decisions and better predict how audiences will perceive various elements.

Iva Ilievska09.04.2020

Frontend JavaScript Technology Testing Testing

Starting with unit testing using Vue.js 2 and Jest

If you want to start with Vue.js unit testing you are in the right place, these are the first steps towards the unit testing using Vue.js and Jest.

Sasho Fidanovski07.04.2020

Java JHipster Spring Boot Technology

JHipster, is it worth it?

JHipster is an open-source platform to generate, develop and deploy Spring Boot + Angular / React / Vue web applications. And with over 15 000 stars on Github, it is the most popular code generation framework for Spring Boot. But is it worth the hype or is the generated code…

Bojan Trajkovski02.04.2020

JavaScript

JavaScript objects: Why? How? Compared with switch-case and if?

During the development, have you ever asked yourself why you should use JavaScript objects? Or maybe you were confused which approach is the best when you have multiple conditions? If the answer is yes, then definitely you are in the right place where I am going to explain the most…

Dimitar Stefanovski31.03.2020

Android Architecture Methodology

The practical guide: Refactor android application to follow the MVP design pattern

The practical guide - Part 1: First step to make your app better. If you know about design patterns and MVP, but have troubles implementing it, this might be the right place for you. We will start from standard Activity and make it follow the MVP design pattern.

Elvedin Selimoski26.03.2020

Java Testing

Testing asynchronous code in a concise and easy to read manner

Learn how to test asynchronous code in a concise and easy to read manner. We will take a look at how we can test asynchronous operations in a synchronous manner using Awaitility library.

Vladimir Dimikj24.03.2020

Spring Boot

Reactive Spring with WebFlux and SQL Databases

If you want to build a reactive non-blocking application that will use a relational database, then this is the right place to be. We are going to develop a non-blocking application thanks to the Spring WebFlux and R2DBC.

Filip Trajkovski19.03.2020

iOS Swift Technology

Dependency injection and how I use it in Vaccination iOS app

In programming, dependency injection is a technique where one object serves dependencies to another object. The concept is that instead of the client object to decide what kind of service it will use, another object tells the client what service he has to use.

Dimitar Shopovski12.03.2020

Culture Events Mindset

Culture exchange and its effect on productivity

Culture, productivity, culture exchange and unity have a generally positive effect on the efficiency of any company, which results in increasing the pace of productivity. Moreover, the culture exchange increases the company's ability to create a global effective mindset. Taking a case study of our company culture exchange program and…

Shehab Eltobgy10.03.2020

JavaScript Technology

Difference between Normal and Arrow Functions

Arrow functions have been adopted since ECMAScript 2015. They are very powerful and simple. But what are the main differences between arrow functions and normal functions in JavaScript?

Stefan Simonovski05.03.2020

Android Architecture Java Technology

ReactiveX in Android with an example – RxJava

Let's have brief information about RxJava library: You will know why it is useful and the usage of it in a real application which makes API calls via Retrofit2 networking library and shows the usage of map(), flatMap(), concatMap() operators of RxJava.

Ziyaddin Ovchiyev03.03.2020

Angular Conference Culture Education Events Frontend JavaScript JSON Vue.js

Experiences of FrontendConnect 2019 conference Warsaw, Poland

Frontend Connect 2019 was held in Warsaw`s days of November, attended by many high valued speakers and other people from the IT world. Everybody had broadened horizon by attendance, gained knowledge and shared experiences from this tech event.

Daniela Kovachka24.02.2020

Jakub Zawadski on GraphQL mock data using Apollo Local Resolvers & Apollo InMemory Cache06.12.2024
Great explanation of using Apollo Local Resolvers with the InMemory Cache. Super helpful to see how we can mock data…
создать свой бизнес on Microservice architecture: Using Java thread locals and Tomcat/Spring capabilities for automated information propagation15.12.2022
Налаженный бизнес или успешная франшиза? Рейтинг франшиз
Himanshu Singhal on Why to use “Volatile” in Java07.10.2022
Technically, static volatile fetches the value from "main memory" instead of local cache, isn't it?
Jovan on Spring Boot password encryption with Jasypt19.09.2022
Hi there Daniel, thanks for raising that question. Well, you can achieve better security by putting the master password as…
Promanage IT Solutions on Why I loved Flutter despite being a fan of Native App Development15.09.2022
Promanage IT Solutions has emerged as one of the most popular WordPress Development services in a short time. We have…

Spring Cloud OpenFeign

Hackdayz 2019 fun and creativity

Did we forget the Immutable classes in Java?

Hibernate techniques for mapping sets, lists and enumerations

GraphQL! 😍😍

Mobile App Marketing

Crypto Trading Bot

JHipster with Google App Engine and Cloud MySQL

Gestalt principles

Starting with unit testing using Vue.js 2 and Jest

JHipster, is it worth it?

JavaScript objects: Why? How? Compared with switch-case and if?

The practical guide: Refactor android application to follow the MVP design pattern

Testing asynchronous code in a concise and easy to read manner

Reactive Spring with WebFlux and SQL Databases

Dependency injection and how I use it in Vaccination iOS app

Culture exchange and its effect on productivity

Difference between Normal and Arrow Functions

ReactiveX in Android with an example – RxJava

Experiences of FrontendConnect 2019 conference Warsaw, Poland

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