If you want to check the configuration of a running JVM process you can use jcmd. List the running processes...
If you have for e.g. a Java application which outputs multiline stack traces inside a container running in kubernetes you...
The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command
Der zuverlässige und perfomante Betrieb von relationalen Datenbanken kann sehr aufwendig und komplex sein. Dies gilt vor allem, wenn man...
Based on the Ruby Basics Card in the developer Curriculum Ruby is the programming language we use on the backend...
We had a card that described how to install multiple mysql versions using mysql-sandbox. Nowadays with the wide adoption...
In Ruby (almost) everything is an Object. While this enables a lot of powerful features, this concept might be confusing...
Speaker today is Henning Koch, Head of Development at makandra. This talk will be in German with English slides.
An end-to-end test (E2E test) is a script that remote-controls a web browser with tools like Selenium...
Slides for Henning's talk on Sep 21st 2017. Understanding sync vs. async control flow Talking to synchronous (or "blocking...
Many of our developers love to use the "awesome" window manager on Linux. However, RubyMine dialogs occasionally defocus while typing...
Instead of using this hack you might want to use MariaDB 10.x which can work with both old and...
Ruby is the programming language we use on the backend. Goals After finishing this lesson you should be able to...
In Ruby, the meaning of protected and private is different from other languages like Java. (They don't hide methods...
Every now and then, Java is subject to security issues where code can break out of Java's sandbox and...
Slides presenting ways to integrate the ideas of Aspect-Oriented Programming in Ruby. Outline Why Aspect-Oriented Programming?
This describes all the steps you'll need to get Solr up and running for your project using the Sunspot...
Web fonts are awesome. After being restricted to Arial for two decades there is finally a cross-browser way to...
My RubyMine (and it seems like many other Java GUI applications) crashes the Compiz window decorator almost every time on...
With SNI, you can have many virtual hosts with HTTPS sharing the same IP address and port, and each one...
Some people, when confronted with a problem, think "I know, I'll use a queue." Now they have an unbounded...
This is for those who already own an SSL certificate (e.g. using it in the Apache HTTP Server) and need...
This card explains how to install RubyMine for the first time. If you want to upgrade an existing RubyMine installation...
Sometimes you inherit a non Rails or non Rack based web app such as PHP, Perl, Java / JEE, etc. I...