Author Archives: Markus Karg

About Markus Karg

Java Guru with +30 years of experience in professional software development. I travelled the whole world of IT, starting from Sinclair's great ZX Spectrum 48K, Commodore's 4040, over S/370, PCs since legendary XT, CP/M, VM/ESA, DOS, Windows (remember 3.1?), OS/2 WARP, Linux to Android and iOS... and still coding is my passion, and Java is my favourite drug!

The Arctic Code Vault – The Two Minutes Tuesday 002

Hey guys! Github froze my code at the North Pole. How cool is THAT?! CU!

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The Downhill PRO – This is the life

How NOT to downhill! Full HD shot using GoPro Hero 8 Black and Canon EOS 5D Mark III, Audio by Sennheiser MK4 and Focusrite Scarlet. Light by Aputure.

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Announcing The Two Minutes Tuesday – The Two Minutes Tuesday 001

Hey guys! I’m totally excited to announce a new show today: The Two Minutes Tuesday! CU!

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New Youtube Show tonite 23:00 UTC+2

Don’t miss my new YouTube show tonite 23:00 UTC+2 on https://www.youtube.com/user/headcrashing!

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JAX-RS Done Right! (V. – Dynamic Routing)

Hey guys! How’s it going? Dynamics come into play: Dynamic routing variants using sub resources. Code example can be found on Gitlab: https://gitlab.com/mkarg/jaxrs-done-right Stay safe and… Party on!

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Tip of the day: How to work all night

Ever wondered how some people can work all night? The trick it easy. No coffee needed, no energy drink either. Just do like me: Have student neighbours asking all their fellows to join their party tonite. Works pretty well for … Continue reading

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JAX-RS Done Right! (IV. – Static Routing)

Hey guys! How’s it going? Let’s practice different STATIC routing variants using @Path. Code example can be found on Gitlab: https://gitlab.com/mkarg/jaxrs-done-right Stay safe and… Party on!

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Casey, prepare for the worst! ;-)

As this screenshot proofs, YouTube’s proposal algorithm sorts my channel in a line with Ellen, Casey and more internet celebs. Can’t wait to see my latest video outperform his. Current count: Casey’s 3.5 Million, Mine: Eight (and counting!). Next milestone … Continue reading

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Jakarta EE 9 Milestone 1 SNEAK PEEK

Hey guys! How’s it going? Jakarta EE 9 Milestone 1 was released in June, and Ivar asked for cupcakes. So here is mine: Cherry Cheesecake with Namespace Migration. Like to taste JAX-RS on a bed of Java SE 11? Code … Continue reading

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JAX-RS Done Right! (III. – Coding Client for “Hello, world!”)

Hey guys! How’s it going? Today I will show you how to use the JAX-RS Client API to write a client for a “Hello, world!” server. Code example can be found on Gitlab: https://gitlab.com/mkarg/jaxrs-done-right Stay safe and… Party on!

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