Horizontal tree by Piet Mondrian

Software Today

Color King (cut) by František Kupka
class HelloConfigurationProperties {
private String greeting = "Hello!";
class HelloController {
private String greeting; @GetMapping
public String sayHello() {
return this.greeting;

The problem

client> curl -XPOST -H "Content-Type: application/x-java-serialized-object" --data-binary @exploit.serserver> ls -l /HACKED
-rw-rw-r-- 1 tomas admin 2770 Okt 12 07:40 /HACKED

Why is object-oriented programming still the best we have and how can it help us build well-designed microservices?

Beautiful objects by Joan Miro (Blue II)

Useless and impractical, yet beautiful, esoteric programming languages.

Getting started with WebAssembly.

Learning WebAssembly Series by Tomas Tulka

Hello, World of Wasm!

Spring by Kazimir Malevich

What Is Spring Boot

In the rain (cut) by Franz Marc

Tomas Tulka

Software developer and occasional blogger: https://blog.ttulka.com

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