Tarlog on Java

Normally the environment variables are set, as the name implies, but the environment. However, sometimes a code runs as part of some environ...

Look at the following code: Will the testHashCode succeed or fail? The answer it will fail, since the second assert: assertTrue(set.co...

Did you ever wanted to run an predefined command as auto-completion in zsh? For example, you may have a script that accepts only predefined...

There is a very important post about avoiding the "Unable to validate the following destination configurations" in AWS. Too bad ...

Some tips of using the CloudFormation: 1. Don't specify a resource name, unless absolutely must doing so. This way you can avoid names...

One way to print the project's Gradle dependencies is 'gradle dependencyReport'. However it creates a very large file with many...

This should have been trivial, but somehow it isn't. So I'll put it here. Adding the thread name to Dropwizard logs:

In *nix shells it sometimes useful to create aliases that receive parameters. This can be done using functions: Now you can type just s...

Open ~/.vimrc Add the following line: command Json :%!python -m json.tool To format Json, type :Json Note: you need Python installed. ...

Just a short memo of useful commands that can help to troubleshoot Java on *nix: (Btw, most of them will also work on Windows, but who runs...