code-addict

Michał Kostewicz

Hi! I’m Michał Kostewicz, creator of this blog. I’m living in Warsaw, Poland. I am a programmer by profession but it is also one of my passions. I’m using mostly Java and Kotlin but it is just a tool for me so I often use other languages. My first steps were writing simple Basic programs on an eight-bit Atari.

Predict future price in Polish stock exchange using Tensorflow and Jupyter Notebooks

5 minute read

How to use RNN neural network to predict price in Polish stock exchange. Using Tensorflow and Jupyter Notebooks to train, test and plot data.

Custom PermissionEvaluator in Spring Boot 2.0

4 minute read

Create custom PermissionEvaluator in Spring Boot 2.0. Basic usage in controllers and thymeleaf views.

Microsoft Reporting Services URL client using Spring Boot 1.5 RestTemplate with NTLM authentication.

2 minute read

How to download report from Microsoft Reporting Services using URL request. Configuring Spring RestTemplate with NTLM authentication.

SSO in Spring Boot using Kerberos authentication in Microsoft Active Directory

7 minute read

How to configure Active Directory and Linux to perform single sign on authentication using Spring Security with Kerberos protocol. Step by step instructions ...

Spring Boot 1.5 with Camunda 7.7. Camunda REST request in service task.

1 minute read

How to send REST request from Camunda service task configured in Camunda Modeller