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Tech blog of j-labs' engineers. Experiences, knowledge, solutions.

Practical guide to gRPC in Java

gRPC is an open-source language-agnostic RPC framework. It was developed at Google in 2015 based on experience with Stubby - their own framework used internally to handle billions of requests per second.

Rafał Bednarz |

07 Oct 2020

  Java 
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Practical guide to gRPC in Java

07 Oct 2020 | Rafał Bednarz

  Java 

gRPC is an open-source language-agnostic RPC framework. It was developed at Google in 2015 based on experience with Stubby - their own framework used internally to handle billions of requests per second.

Read more
4

Web scraping with Puppeteer - Quick Start

30 Sep 2020 | Marcin Łącki

Puppeteer is a Node library from the Google Chrome team we can use to control a headless Chrome instance. With Puppeteer you can make screenshots, track page loading performance, generate PDF from web page, scrape web pages and a lot of more.

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5

Dockerizing Flask-RESTful application

23 Sep 2020 | Jacek Zygiel

  Python 

In the last article, Fuel Consumption API using database was created. All business requirements are met, now it's time to go on the production! To be on time with current trends, Fuel Consumption Api will run in Docker container.

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6

Retrofit

16 Sep 2020 | Kamil Kurzyna

  Java 

Retrofit is a Java library created for the sole purpose of calling REST API easily. As will be shown below, we are basically going to need only some POJO representation of the expected API result, interface to define it, and object repsonsible for using Retrofit.

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7

Creating a custom hook!

11 Sep 2020 | Bartłomiej Szajewski

  React 

In this article, you will see, how to use that knowledge to convert class component, which gets data from JSONPlaceholder into functional component based on hooks. Then you will learn, how to separate logic from component into a custom hook!

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Introduction to Groovy Scripting in SoapUI

02 Sep 2020 | Marcin Łącki

  Groovy Tests 

SoapUI is a tool for web service testing. With SoapUI you are able to mock, inspect and develop code. Groovy is a programming language which is compatible with Java syntax. A perfect pair?

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9

Clean and organize your pom.xml

26 Aug 2020 | Marcin Rozmus

  Maven 

Dependency mechanism is a core feature of Maven and is very powerful and flexible. And because of Transitive Dependencies included in version 2.0 dependency management becomes easier. But still, when we are talking about managing dependencies, things can be done in two ways: easy/fast one and the right one. In this tutorial I will try to show you the second one.

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10

Flask-RESTful with SQLAlchemy

19 Aug 2020 | Jacek Zygiel

  Python DB 

In the previous article, we've created a Fuel Consumption Api which uses dictionary as a database. The biggest disadvantage of this solution is lack of data persistence. To make our application more useful we'll use SQL database instead of Python dictionary. To achieve this the perfect choice is SQLAlchemy - Python SQL Toolkit and Object Relation Mapper.

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11

Best Practices in API Design

05 Aug 2020 | Mateusz Gryzik

  API 

How to design a good API is a question that comes from many teams that try to create perfect REST API. This article shows briefly some of good rules to remember and advice that help to avoid future problems doing things right from very beginning.

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