Author Archives for Manuel Dewald

HIPS Cold Acetone Vaporing

September 12, 2017 6:29 am Published by Comments Off on HIPS Cold Acetone Vaporing

Everyone who regularly prints 3d models using a 3D printer comes around the topic of post processing 3d prints sooner or later. Due to the layer-by-layer growth of the print, you see bigger or smaller steps depending on the configuration of the printer. To get the print smoother, there is a number of techniques people are trying: From sandpapering to putting glue onto the print. Another technique is cold acetone vaporing. There are a lot of resources about post-processing ABS... View Article

Backup Your Files with simple Bash Scripts

June 25, 2017 8:38 pm Published by Comments Off on Backup Your Files with simple Bash Scripts

Ever lost data you stored on a usb drive just because it stopped working and you did not have a backup? How often did you promise yourself to set up a backup system so this will not happen again – just a few days before forgot you wanted to do so? You are not alone – so did I. Until a few months ago, when I decided to store my data on my own NAS, run by a RaspberryPi 3... View Article

Do Not Use Boolean Parameters

May 31, 2017 7:16 pm Published by Comments Off on Do Not Use Boolean Parameters

I’m absolutely serious, don’t do it. “But hey”, one may ask, “what’s wrong with boolean parameters?” That’s what I got asked recently when I did a code review. And to all of you who have the same question in mind, here is my answer.There is only one reason to use a boolean parameter in a function interface, and that’s when it’s the only parameter – in a setter function (and even there one could argue to not use it). Unreadable... View Article

Putting tomcat into a container

February 9, 2017 10:37 pm Published by Comments Off on Putting tomcat into a container

As soon as you get in touch with software there is no chance to get around one topic these days: Microservices. And wherever you hear this term there is always a second one around the corner: Docker. I myself have only little experience in productively using docker, and this is mostly restricted to the convenience of packaging stuff and installing it somewhere else via a central repository. But already this is quite cool, so why not try to go further... View Article