code-addict

Michał Kostewicz

Hi! I'm Michał Kostewicz, creator of this blog. I'm living, studying and working in Warsaw, Poland. My speciality of study is IT on Polish-Japanese Academy Of Information Technology. Currently I'm working as a Java programmer and honestly love my job. I have wonderful wife and daughter that I loved even more than my job.

Using Kafka Streams to search for suspicious traffic in log stream.

6 minute read

Searching for suspicious traffic in the log stream using Kafka Streams. Joining streams and saving in MongoDB. Using HTML5 Server-Sent events to stream data ...

Drawing a picture captured by a webcam in the Minecraft game using Python, OpenCV and Raspberry Jam Mod for Minecraft.

4 minute read

How to capture picture from camera and draw it (in color) using multiple different blocks in Minecraft game.

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.